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linux/drivers/clk/tegra/clk-tegra30.c

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clk: tegra: add clock support for Tegra30 Add Tegra30 clock support based on common clock framework. Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com> [swarren: ensure all OF lookups return valid cookies i.e. an explicit error pointer or valid pointer not NULL, adapt to renames in earlier patches, fixed some checkpatch issues.] Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-11 15:46:25 +08:00
/*
* Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/io.h>
#include <linux/delay.h>
#include <linux/clk.h>
#include <linux/clk-provider.h>
#include <linux/clkdev.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/clk/tegra.h>
#include <mach/powergate.h>
#include "clk.h"
#define RST_DEVICES_L 0x004
#define RST_DEVICES_H 0x008
#define RST_DEVICES_U 0x00c
#define RST_DEVICES_V 0x358
#define RST_DEVICES_W 0x35c
#define RST_DEVICES_SET_L 0x300
#define RST_DEVICES_CLR_L 0x304
#define RST_DEVICES_SET_H 0x308
#define RST_DEVICES_CLR_H 0x30c
#define RST_DEVICES_SET_U 0x310
#define RST_DEVICES_CLR_U 0x314
#define RST_DEVICES_SET_V 0x430
#define RST_DEVICES_CLR_V 0x434
#define RST_DEVICES_SET_W 0x438
#define RST_DEVICES_CLR_W 0x43c
#define RST_DEVICES_NUM 5
#define CLK_OUT_ENB_L 0x010
#define CLK_OUT_ENB_H 0x014
#define CLK_OUT_ENB_U 0x018
#define CLK_OUT_ENB_V 0x360
#define CLK_OUT_ENB_W 0x364
#define CLK_OUT_ENB_SET_L 0x320
#define CLK_OUT_ENB_CLR_L 0x324
#define CLK_OUT_ENB_SET_H 0x328
#define CLK_OUT_ENB_CLR_H 0x32c
#define CLK_OUT_ENB_SET_U 0x330
#define CLK_OUT_ENB_CLR_U 0x334
#define CLK_OUT_ENB_SET_V 0x440
#define CLK_OUT_ENB_CLR_V 0x444
#define CLK_OUT_ENB_SET_W 0x448
#define CLK_OUT_ENB_CLR_W 0x44c
#define CLK_OUT_ENB_NUM 5
#define OSC_CTRL 0x50
#define OSC_CTRL_OSC_FREQ_MASK (0xF<<28)
#define OSC_CTRL_OSC_FREQ_13MHZ (0X0<<28)
#define OSC_CTRL_OSC_FREQ_19_2MHZ (0X4<<28)
#define OSC_CTRL_OSC_FREQ_12MHZ (0X8<<28)
#define OSC_CTRL_OSC_FREQ_26MHZ (0XC<<28)
#define OSC_CTRL_OSC_FREQ_16_8MHZ (0X1<<28)
#define OSC_CTRL_OSC_FREQ_38_4MHZ (0X5<<28)
#define OSC_CTRL_OSC_FREQ_48MHZ (0X9<<28)
#define OSC_CTRL_MASK (0x3f2 | OSC_CTRL_OSC_FREQ_MASK)
#define OSC_CTRL_PLL_REF_DIV_MASK (3<<26)
#define OSC_CTRL_PLL_REF_DIV_1 (0<<26)
#define OSC_CTRL_PLL_REF_DIV_2 (1<<26)
#define OSC_CTRL_PLL_REF_DIV_4 (2<<26)
#define OSC_FREQ_DET 0x58
#define OSC_FREQ_DET_TRIG BIT(31)
#define OSC_FREQ_DET_STATUS 0x5c
#define OSC_FREQ_DET_BUSY BIT(31)
#define OSC_FREQ_DET_CNT_MASK 0xffff
#define CCLKG_BURST_POLICY 0x368
#define SUPER_CCLKG_DIVIDER 0x36c
#define CCLKLP_BURST_POLICY 0x370
#define SUPER_CCLKLP_DIVIDER 0x374
#define SCLK_BURST_POLICY 0x028
#define SUPER_SCLK_DIVIDER 0x02c
#define SYSTEM_CLK_RATE 0x030
#define PLLC_BASE 0x80
#define PLLC_MISC 0x8c
#define PLLM_BASE 0x90
#define PLLM_MISC 0x9c
#define PLLP_BASE 0xa0
#define PLLP_MISC 0xac
#define PLLX_BASE 0xe0
#define PLLX_MISC 0xe4
#define PLLD_BASE 0xd0
#define PLLD_MISC 0xdc
#define PLLD2_BASE 0x4b8
#define PLLD2_MISC 0x4bc
#define PLLE_BASE 0xe8
#define PLLE_MISC 0xec
#define PLLA_BASE 0xb0
#define PLLA_MISC 0xbc
#define PLLU_BASE 0xc0
#define PLLU_MISC 0xcc
#define PLL_MISC_LOCK_ENABLE 18
#define PLLDU_MISC_LOCK_ENABLE 22
#define PLLE_MISC_LOCK_ENABLE 9
#define PLL_BASE_LOCK 27
#define PLLE_MISC_LOCK 11
#define PLLE_AUX 0x48c
#define PLLC_OUT 0x84
#define PLLM_OUT 0x94
#define PLLP_OUTA 0xa4
#define PLLP_OUTB 0xa8
#define PLLA_OUT 0xb4
#define AUDIO_SYNC_CLK_I2S0 0x4a0
#define AUDIO_SYNC_CLK_I2S1 0x4a4
#define AUDIO_SYNC_CLK_I2S2 0x4a8
#define AUDIO_SYNC_CLK_I2S3 0x4ac
#define AUDIO_SYNC_CLK_I2S4 0x4b0
#define AUDIO_SYNC_CLK_SPDIF 0x4b4
#define PMC_CLK_OUT_CNTRL 0x1a8
#define CLK_SOURCE_I2S0 0x1d8
#define CLK_SOURCE_I2S1 0x100
#define CLK_SOURCE_I2S2 0x104
#define CLK_SOURCE_I2S3 0x3bc
#define CLK_SOURCE_I2S4 0x3c0
#define CLK_SOURCE_SPDIF_OUT 0x108
#define CLK_SOURCE_SPDIF_IN 0x10c
#define CLK_SOURCE_PWM 0x110
#define CLK_SOURCE_D_AUDIO 0x3d0
#define CLK_SOURCE_DAM0 0x3d8
#define CLK_SOURCE_DAM1 0x3dc
#define CLK_SOURCE_DAM2 0x3e0
#define CLK_SOURCE_HDA 0x428
#define CLK_SOURCE_HDA2CODEC_2X 0x3e4
#define CLK_SOURCE_SBC1 0x134
#define CLK_SOURCE_SBC2 0x118
#define CLK_SOURCE_SBC3 0x11c
#define CLK_SOURCE_SBC4 0x1b4
#define CLK_SOURCE_SBC5 0x3c8
#define CLK_SOURCE_SBC6 0x3cc
#define CLK_SOURCE_SATA_OOB 0x420
#define CLK_SOURCE_SATA 0x424
#define CLK_SOURCE_NDFLASH 0x160
#define CLK_SOURCE_NDSPEED 0x3f8
#define CLK_SOURCE_VFIR 0x168
#define CLK_SOURCE_SDMMC1 0x150
#define CLK_SOURCE_SDMMC2 0x154
#define CLK_SOURCE_SDMMC3 0x1bc
#define CLK_SOURCE_SDMMC4 0x164
#define CLK_SOURCE_VDE 0x1c8
#define CLK_SOURCE_CSITE 0x1d4
#define CLK_SOURCE_LA 0x1f8
#define CLK_SOURCE_OWR 0x1cc
#define CLK_SOURCE_NOR 0x1d0
#define CLK_SOURCE_MIPI 0x174
#define CLK_SOURCE_I2C1 0x124
#define CLK_SOURCE_I2C2 0x198
#define CLK_SOURCE_I2C3 0x1b8
#define CLK_SOURCE_I2C4 0x3c4
#define CLK_SOURCE_I2C5 0x128
#define CLK_SOURCE_UARTA 0x178
#define CLK_SOURCE_UARTB 0x17c
#define CLK_SOURCE_UARTC 0x1a0
#define CLK_SOURCE_UARTD 0x1c0
#define CLK_SOURCE_UARTE 0x1c4
#define CLK_SOURCE_VI 0x148
#define CLK_SOURCE_VI_SENSOR 0x1a8
#define CLK_SOURCE_3D 0x158
#define CLK_SOURCE_3D2 0x3b0
#define CLK_SOURCE_2D 0x15c
#define CLK_SOURCE_EPP 0x16c
#define CLK_SOURCE_MPE 0x170
#define CLK_SOURCE_HOST1X 0x180
#define CLK_SOURCE_CVE 0x140
#define CLK_SOURCE_TVO 0x188
#define CLK_SOURCE_DTV 0x1dc
#define CLK_SOURCE_HDMI 0x18c
#define CLK_SOURCE_TVDAC 0x194
#define CLK_SOURCE_DISP1 0x138
#define CLK_SOURCE_DISP2 0x13c
#define CLK_SOURCE_DSIB 0xd0
#define CLK_SOURCE_TSENSOR 0x3b8
#define CLK_SOURCE_ACTMON 0x3e8
#define CLK_SOURCE_EXTERN1 0x3ec
#define CLK_SOURCE_EXTERN2 0x3f0
#define CLK_SOURCE_EXTERN3 0x3f4
#define CLK_SOURCE_I2CSLOW 0x3fc
#define CLK_SOURCE_SE 0x42c
#define CLK_SOURCE_MSELECT 0x3b4
#define CLK_SOURCE_EMC 0x19c
#define AUDIO_SYNC_DOUBLER 0x49c
#define PMC_CTRL 0
#define PMC_CTRL_BLINK_ENB 7
#define PMC_DPD_PADS_ORIDE 0x1c
#define PMC_DPD_PADS_ORIDE_BLINK_ENB 20
#define PMC_BLINK_TIMER 0x40
#define UTMIP_PLL_CFG2 0x488
#define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xffff) << 6)
#define UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(x) (((x) & 0x3f) << 18)
#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN BIT(0)
#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN BIT(2)
#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN BIT(4)
#define UTMIP_PLL_CFG1 0x484
#define UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 6)
#define UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0)
#define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN BIT(14)
#define UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN BIT(12)
#define UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN BIT(16)
/* Tegra CPU clock and reset control regs */
#define TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX 0x4c
#define TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_SET 0x340
#define TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_CLR 0x344
#define TEGRA30_CLK_RST_CONTROLLER_CLK_CPU_CMPLX_CLR 0x34c
#define TEGRA30_CLK_RST_CONTROLLER_CPU_CMPLX_STATUS 0x470
#define CPU_CLOCK(cpu) (0x1 << (8 + cpu))
#define CPU_RESET(cpu) (0x1111ul << (cpu))
#define CLK_RESET_CCLK_BURST 0x20
#define CLK_RESET_CCLK_DIVIDER 0x24
#define CLK_RESET_PLLX_BASE 0xe0
#define CLK_RESET_PLLX_MISC 0xe4
#define CLK_RESET_SOURCE_CSITE 0x1d4
#define CLK_RESET_CCLK_BURST_POLICY_SHIFT 28
#define CLK_RESET_CCLK_RUN_POLICY_SHIFT 4
#define CLK_RESET_CCLK_IDLE_POLICY_SHIFT 0
#define CLK_RESET_CCLK_IDLE_POLICY 1
#define CLK_RESET_CCLK_RUN_POLICY 2
#define CLK_RESET_CCLK_BURST_POLICY_PLLX 8
#ifdef CONFIG_PM_SLEEP
static struct cpu_clk_suspend_context {
u32 pllx_misc;
u32 pllx_base;
u32 cpu_burst;
u32 clk_csite_src;
u32 cclk_divider;
} tegra30_cpu_clk_sctx;
#endif
static int periph_clk_enb_refcnt[CLK_OUT_ENB_NUM * 32];
static void __iomem *clk_base;
static void __iomem *pmc_base;
static unsigned long input_freq;
static DEFINE_SPINLOCK(clk_doubler_lock);
static DEFINE_SPINLOCK(clk_out_lock);
static DEFINE_SPINLOCK(pll_div_lock);
static DEFINE_SPINLOCK(cml_lock);
static DEFINE_SPINLOCK(pll_d_lock);
clk: tegra: Add missing spinlock for hclk and pclk The hclk and pclk clocks are controlled by the same register. Hence a lock is required to avoid corruption. Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com> Acked-by: Mike Turquette <mturquette@linaro.org> Reviewed-by: Prashant Gaikwad <pgaikwad@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-02-08 00:37:35 +08:00
static DEFINE_SPINLOCK(sysrate_lock);
clk: tegra: add clock support for Tegra30 Add Tegra30 clock support based on common clock framework. Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com> [swarren: ensure all OF lookups return valid cookies i.e. an explicit error pointer or valid pointer not NULL, adapt to renames in earlier patches, fixed some checkpatch issues.] Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-11 15:46:25 +08:00
#define TEGRA_INIT_DATA_MUX(_name, _con_id, _dev_id, _parents, _offset, \
_clk_num, _regs, _gate_flags, _clk_id) \
TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset, \
30, 2, 0, 0, 8, 1, 0, _regs, _clk_num, \
periph_clk_enb_refcnt, _gate_flags, _clk_id)
#define TEGRA_INIT_DATA_DIV16(_name, _con_id, _dev_id, _parents, _offset, \
_clk_num, _regs, _gate_flags, _clk_id) \
TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset, \
30, 2, 0, 0, 16, 0, TEGRA_DIVIDER_ROUND_UP, \
_regs, _clk_num, periph_clk_enb_refcnt, \
_gate_flags, _clk_id)
#define TEGRA_INIT_DATA_MUX8(_name, _con_id, _dev_id, _parents, _offset, \
_clk_num, _regs, _gate_flags, _clk_id) \
TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset, \
29, 3, 0, 0, 8, 1, 0, _regs, _clk_num, \
periph_clk_enb_refcnt, _gate_flags, _clk_id)
#define TEGRA_INIT_DATA_INT(_name, _con_id, _dev_id, _parents, _offset, \
_clk_num, _regs, _gate_flags, _clk_id) \
TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset, \
30, 2, 0, 0, 8, 1, TEGRA_DIVIDER_INT, _regs, \
_clk_num, periph_clk_enb_refcnt, _gate_flags, \
_clk_id)
#define TEGRA_INIT_DATA_UART(_name, _con_id, _dev_id, _parents, _offset,\
_clk_num, _regs, _clk_id) \
TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset, \
30, 2, 0, 0, 16, 1, TEGRA_DIVIDER_UART, _regs, \
_clk_num, periph_clk_enb_refcnt, 0, _clk_id)
#define TEGRA_INIT_DATA_NODIV(_name, _con_id, _dev_id, _parents, _offset, \
_mux_shift, _mux_width, _clk_num, _regs, \
_gate_flags, _clk_id) \
TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset, \
_mux_shift, _mux_width, 0, 0, 0, 0, 0, _regs, \
_clk_num, periph_clk_enb_refcnt, _gate_flags, \
_clk_id)
/*
* IDs assigned here must be in sync with DT bindings definition
* for Tegra30 clocks.
*/
enum tegra30_clk {
cpu, rtc = 4, timer, uarta, gpio = 8, sdmmc2, i2s1 = 11, i2c1, ndflash,
sdmmc1, sdmmc4, pwm = 17, i2s2, epp, gr2d = 21, usbd, isp, gr3d,
disp2 = 26, disp1, host1x, vcp, i2s0, cop_cache, mc, ahbdma, apbdma,
kbc = 36, statmon, pmc, kfuse = 40, sbc1, nor, sbc2 = 44, sbc3 = 46,
i2c5, dsia, mipi = 50, hdmi, csi, tvdac, i2c2, uartc, emc = 57, usb2,
usb3, mpe, vde, bsea, bsev, speedo, uartd, uarte, i2c3, sbc4, sdmmc3,
clk: tegra: fix driver to match DT binding enum tegra*_clk is intended to match the IDs listed in the Tegra clock bindings. There are a few mismatches, which this patch fixes: 1) pll_s and cop were left out of the Tegra20 enum. 2) spdif_in and spdif_out were swapped relative to the Tegra30 binding. 3) i2cslow was misnamed as i2c_slow, and a duplicate i2cslow clock added to the Tegra30 enum. Signed-off-by: Stephen Warren <swarren@nvidia.com> Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de> Tested-by: Thierry Reding <thierry.reding@avionic-design.de>
2013-02-13 03:17:37 +08:00
pcie, owr, afi, csite, pciex, avpucq, la, dtv = 79, ndspeed, i2cslow,
clk: tegra: add clock support for Tegra30 Add Tegra30 clock support based on common clock framework. Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com> [swarren: ensure all OF lookups return valid cookies i.e. an explicit error pointer or valid pointer not NULL, adapt to renames in earlier patches, fixed some checkpatch issues.] Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-11 15:46:25 +08:00
dsib, irama = 84, iramb, iramc, iramd, cram2, audio_2x = 90, csus = 92,
cdev1, cdev2, cpu_g = 96, cpu_lp, gr3d2, mselect, tsensor, i2s3, i2s4,
i2c4, sbc5, sbc6, d_audio, apbif, dam0, dam1, dam2, hda2codec_2x,
atomics, audio0_2x, audio1_2x, audio2_2x, audio3_2x, audio4_2x,
clk: tegra: fix wrong clock index between se to sata_cold The index of se should be 127. And the previous clock index was 125. So we need to set up the index for se to get the correct index between se to sata_cold. Signed-off-by: Joseph Lo <josephl@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-02-07 13:07:11 +08:00
spdif_2x, actmon, extern1, extern2, extern3, sata_oob, sata, hda,
clk: tegra: fix driver to match DT binding enum tegra*_clk is intended to match the IDs listed in the Tegra clock bindings. There are a few mismatches, which this patch fixes: 1) pll_s and cop were left out of the Tegra20 enum. 2) spdif_in and spdif_out were swapped relative to the Tegra30 binding. 3) i2cslow was misnamed as i2c_slow, and a duplicate i2cslow clock added to the Tegra30 enum. Signed-off-by: Stephen Warren <swarren@nvidia.com> Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de> Tested-by: Thierry Reding <thierry.reding@avionic-design.de>
2013-02-13 03:17:37 +08:00
se = 127, hda2hdmi, sata_cold, uartb = 160, vfir, spdif_in, spdif_out,
clk: tegra: fix wrong clock index between se to sata_cold The index of se should be 127. And the previous clock index was 125. So we need to set up the index for se to get the correct index between se to sata_cold. Signed-off-by: Joseph Lo <josephl@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-02-07 13:07:11 +08:00
vi, vi_sensor, fuse, fuse_burn, cve, tvo, clk_32k, clk_m, clk_m_div2,
clk: tegra: add clock support for Tegra30 Add Tegra30 clock support based on common clock framework. Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com> [swarren: ensure all OF lookups return valid cookies i.e. an explicit error pointer or valid pointer not NULL, adapt to renames in earlier patches, fixed some checkpatch issues.] Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-11 15:46:25 +08:00
clk_m_div4, pll_ref, pll_c, pll_c_out1, pll_m, pll_m_out1, pll_p,
pll_p_out1, pll_p_out2, pll_p_out3, pll_p_out4, pll_a, pll_a_out0,
pll_d, pll_d_out0, pll_d2, pll_d2_out0, pll_u, pll_x, pll_x_out0, pll_e,
spdif_in_sync, i2s0_sync, i2s1_sync, i2s2_sync, i2s3_sync, i2s4_sync,
vimclk_sync, audio0, audio1, audio2, audio3, audio4, spdif, clk_out_1,
clk_out_2, clk_out_3, sclk, blink, cclk_g, cclk_lp, twd, cml0, cml1,
clk: tegra: fix driver to match DT binding enum tegra*_clk is intended to match the IDs listed in the Tegra clock bindings. There are a few mismatches, which this patch fixes: 1) pll_s and cop were left out of the Tegra20 enum. 2) spdif_in and spdif_out were swapped relative to the Tegra30 binding. 3) i2cslow was misnamed as i2c_slow, and a duplicate i2cslow clock added to the Tegra30 enum. Signed-off-by: Stephen Warren <swarren@nvidia.com> Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de> Tested-by: Thierry Reding <thierry.reding@avionic-design.de>
2013-02-13 03:17:37 +08:00
hclk, pclk, clk_out_1_mux = 300, clk_max
clk: tegra: add clock support for Tegra30 Add Tegra30 clock support based on common clock framework. Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com> [swarren: ensure all OF lookups return valid cookies i.e. an explicit error pointer or valid pointer not NULL, adapt to renames in earlier patches, fixed some checkpatch issues.] Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-11 15:46:25 +08:00
};
static struct clk *clks[clk_max];
static struct clk_onecell_data clk_data;
/*
* Structure defining the fields for USB UTMI clocks Parameters.
*/
struct utmi_clk_param {
/* Oscillator Frequency in KHz */
u32 osc_frequency;
/* UTMIP PLL Enable Delay Count */
u8 enable_delay_count;
/* UTMIP PLL Stable count */
u8 stable_count;
/* UTMIP PLL Active delay count */
u8 active_delay_count;
/* UTMIP PLL Xtal frequency count */
u8 xtal_freq_count;
};
static const struct utmi_clk_param utmi_parameters[] = {
/* OSC_FREQUENCY, ENABLE_DLY, STABLE_CNT, ACTIVE_DLY, XTAL_FREQ_CNT */
{13000000, 0x02, 0x33, 0x05, 0x7F},
{19200000, 0x03, 0x4B, 0x06, 0xBB},
{12000000, 0x02, 0x2F, 0x04, 0x76},
{26000000, 0x04, 0x66, 0x09, 0xFE},
{16800000, 0x03, 0x41, 0x0A, 0xA4},
};
static struct tegra_clk_pll_freq_table pll_c_freq_table[] = {
{ 12000000, 1040000000, 520, 6, 1, 8},
{ 13000000, 1040000000, 480, 6, 1, 8},
{ 16800000, 1040000000, 495, 8, 1, 8}, /* actual: 1039.5 MHz */
{ 19200000, 1040000000, 325, 6, 1, 6},
{ 26000000, 1040000000, 520, 13, 1, 8},
{ 12000000, 832000000, 416, 6, 1, 8},
{ 13000000, 832000000, 832, 13, 1, 8},
{ 16800000, 832000000, 396, 8, 1, 8}, /* actual: 831.6 MHz */
{ 19200000, 832000000, 260, 6, 1, 8},
{ 26000000, 832000000, 416, 13, 1, 8},
{ 12000000, 624000000, 624, 12, 1, 8},
{ 13000000, 624000000, 624, 13, 1, 8},
{ 16800000, 600000000, 520, 14, 1, 8},
{ 19200000, 624000000, 520, 16, 1, 8},
{ 26000000, 624000000, 624, 26, 1, 8},
{ 12000000, 600000000, 600, 12, 1, 8},
{ 13000000, 600000000, 600, 13, 1, 8},
{ 16800000, 600000000, 500, 14, 1, 8},
{ 19200000, 600000000, 375, 12, 1, 6},
{ 26000000, 600000000, 600, 26, 1, 8},
{ 12000000, 520000000, 520, 12, 1, 8},
{ 13000000, 520000000, 520, 13, 1, 8},
{ 16800000, 520000000, 495, 16, 1, 8}, /* actual: 519.75 MHz */
{ 19200000, 520000000, 325, 12, 1, 6},
{ 26000000, 520000000, 520, 26, 1, 8},
{ 12000000, 416000000, 416, 12, 1, 8},
{ 13000000, 416000000, 416, 13, 1, 8},
{ 16800000, 416000000, 396, 16, 1, 8}, /* actual: 415.8 MHz */
{ 19200000, 416000000, 260, 12, 1, 6},
{ 26000000, 416000000, 416, 26, 1, 8},
{ 0, 0, 0, 0, 0, 0 },
};
static struct tegra_clk_pll_freq_table pll_m_freq_table[] = {
{ 12000000, 666000000, 666, 12, 1, 8},
{ 13000000, 666000000, 666, 13, 1, 8},
{ 16800000, 666000000, 555, 14, 1, 8},
{ 19200000, 666000000, 555, 16, 1, 8},
{ 26000000, 666000000, 666, 26, 1, 8},
{ 12000000, 600000000, 600, 12, 1, 8},
{ 13000000, 600000000, 600, 13, 1, 8},
{ 16800000, 600000000, 500, 14, 1, 8},
{ 19200000, 600000000, 375, 12, 1, 6},
{ 26000000, 600000000, 600, 26, 1, 8},
{ 0, 0, 0, 0, 0, 0 },
};
static struct tegra_clk_pll_freq_table pll_p_freq_table[] = {
{ 12000000, 216000000, 432, 12, 2, 8},
{ 13000000, 216000000, 432, 13, 2, 8},
{ 16800000, 216000000, 360, 14, 2, 8},
{ 19200000, 216000000, 360, 16, 2, 8},
{ 26000000, 216000000, 432, 26, 2, 8},
{ 0, 0, 0, 0, 0, 0 },
};
static struct tegra_clk_pll_freq_table pll_a_freq_table[] = {
{ 9600000, 564480000, 294, 5, 1, 4},
{ 9600000, 552960000, 288, 5, 1, 4},
{ 9600000, 24000000, 5, 2, 1, 1},
{ 28800000, 56448000, 49, 25, 1, 1},
{ 28800000, 73728000, 64, 25, 1, 1},
{ 28800000, 24000000, 5, 6, 1, 1},
{ 0, 0, 0, 0, 0, 0 },
};
static struct tegra_clk_pll_freq_table pll_d_freq_table[] = {
{ 12000000, 216000000, 216, 12, 1, 4},
{ 13000000, 216000000, 216, 13, 1, 4},
{ 16800000, 216000000, 180, 14, 1, 4},
{ 19200000, 216000000, 180, 16, 1, 4},
{ 26000000, 216000000, 216, 26, 1, 4},
{ 12000000, 594000000, 594, 12, 1, 8},
{ 13000000, 594000000, 594, 13, 1, 8},
{ 16800000, 594000000, 495, 14, 1, 8},
{ 19200000, 594000000, 495, 16, 1, 8},
{ 26000000, 594000000, 594, 26, 1, 8},
{ 12000000, 1000000000, 1000, 12, 1, 12},
{ 13000000, 1000000000, 1000, 13, 1, 12},
{ 19200000, 1000000000, 625, 12, 1, 8},
{ 26000000, 1000000000, 1000, 26, 1, 12},
{ 0, 0, 0, 0, 0, 0 },
};
static struct tegra_clk_pll_freq_table pll_u_freq_table[] = {
{ 12000000, 480000000, 960, 12, 2, 12},
{ 13000000, 480000000, 960, 13, 2, 12},
{ 16800000, 480000000, 400, 7, 2, 5},
{ 19200000, 480000000, 200, 4, 2, 3},
{ 26000000, 480000000, 960, 26, 2, 12},
{ 0, 0, 0, 0, 0, 0 },
};
static struct tegra_clk_pll_freq_table pll_x_freq_table[] = {
/* 1.7 GHz */
{ 12000000, 1700000000, 850, 6, 1, 8},
{ 13000000, 1700000000, 915, 7, 1, 8}, /* actual: 1699.2 MHz */
{ 16800000, 1700000000, 708, 7, 1, 8}, /* actual: 1699.2 MHz */
{ 19200000, 1700000000, 885, 10, 1, 8}, /* actual: 1699.2 MHz */
{ 26000000, 1700000000, 850, 13, 1, 8},
/* 1.6 GHz */
{ 12000000, 1600000000, 800, 6, 1, 8},
{ 13000000, 1600000000, 738, 6, 1, 8}, /* actual: 1599.0 MHz */
{ 16800000, 1600000000, 857, 9, 1, 8}, /* actual: 1599.7 MHz */
{ 19200000, 1600000000, 500, 6, 1, 8},
{ 26000000, 1600000000, 800, 13, 1, 8},
/* 1.5 GHz */
{ 12000000, 1500000000, 750, 6, 1, 8},
{ 13000000, 1500000000, 923, 8, 1, 8}, /* actual: 1499.8 MHz */
{ 16800000, 1500000000, 625, 7, 1, 8},
{ 19200000, 1500000000, 625, 8, 1, 8},
{ 26000000, 1500000000, 750, 13, 1, 8},
/* 1.4 GHz */
{ 12000000, 1400000000, 700, 6, 1, 8},
{ 13000000, 1400000000, 969, 9, 1, 8}, /* actual: 1399.7 MHz */
{ 16800000, 1400000000, 1000, 12, 1, 8},
{ 19200000, 1400000000, 875, 12, 1, 8},
{ 26000000, 1400000000, 700, 13, 1, 8},
/* 1.3 GHz */
{ 12000000, 1300000000, 975, 9, 1, 8},
{ 13000000, 1300000000, 1000, 10, 1, 8},
{ 16800000, 1300000000, 928, 12, 1, 8}, /* actual: 1299.2 MHz */
{ 19200000, 1300000000, 812, 12, 1, 8}, /* actual: 1299.2 MHz */
{ 26000000, 1300000000, 650, 13, 1, 8},
/* 1.2 GHz */
{ 12000000, 1200000000, 1000, 10, 1, 8},
{ 13000000, 1200000000, 923, 10, 1, 8}, /* actual: 1199.9 MHz */
{ 16800000, 1200000000, 1000, 14, 1, 8},
{ 19200000, 1200000000, 1000, 16, 1, 8},
{ 26000000, 1200000000, 600, 13, 1, 8},
/* 1.1 GHz */
{ 12000000, 1100000000, 825, 9, 1, 8},
{ 13000000, 1100000000, 846, 10, 1, 8}, /* actual: 1099.8 MHz */
{ 16800000, 1100000000, 982, 15, 1, 8}, /* actual: 1099.8 MHz */
{ 19200000, 1100000000, 859, 15, 1, 8}, /* actual: 1099.5 MHz */
{ 26000000, 1100000000, 550, 13, 1, 8},
/* 1 GHz */
{ 12000000, 1000000000, 1000, 12, 1, 8},
{ 13000000, 1000000000, 1000, 13, 1, 8},
{ 16800000, 1000000000, 833, 14, 1, 8}, /* actual: 999.6 MHz */
{ 19200000, 1000000000, 625, 12, 1, 8},
{ 26000000, 1000000000, 1000, 26, 1, 8},
{ 0, 0, 0, 0, 0, 0 },
};
static struct tegra_clk_pll_freq_table pll_e_freq_table[] = {
/* PLLE special case: use cpcon field to store cml divider value */
{ 12000000, 100000000, 150, 1, 18, 11},
{ 216000000, 100000000, 200, 18, 24, 13},
{ 0, 0, 0, 0, 0, 0 },
};
/* PLL parameters */
static struct tegra_clk_pll_params pll_c_params = {
.input_min = 2000000,
.input_max = 31000000,
.cf_min = 1000000,
.cf_max = 6000000,
.vco_min = 20000000,
.vco_max = 1400000000,
.base_reg = PLLC_BASE,
.misc_reg = PLLC_MISC,
.lock_bit_idx = PLL_BASE_LOCK,
.lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
.lock_delay = 300,
};
static struct tegra_clk_pll_params pll_m_params = {
.input_min = 2000000,
.input_max = 31000000,
.cf_min = 1000000,
.cf_max = 6000000,
.vco_min = 20000000,
.vco_max = 1200000000,
.base_reg = PLLM_BASE,
.misc_reg = PLLM_MISC,
.lock_bit_idx = PLL_BASE_LOCK,
.lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
.lock_delay = 300,
};
static struct tegra_clk_pll_params pll_p_params = {
.input_min = 2000000,
.input_max = 31000000,
.cf_min = 1000000,
.cf_max = 6000000,
.vco_min = 20000000,
.vco_max = 1400000000,
.base_reg = PLLP_BASE,
.misc_reg = PLLP_MISC,
.lock_bit_idx = PLL_BASE_LOCK,
.lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
.lock_delay = 300,
};
static struct tegra_clk_pll_params pll_a_params = {
.input_min = 2000000,
.input_max = 31000000,
.cf_min = 1000000,
.cf_max = 6000000,
.vco_min = 20000000,
.vco_max = 1400000000,
.base_reg = PLLA_BASE,
.misc_reg = PLLA_MISC,
.lock_bit_idx = PLL_BASE_LOCK,
.lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
.lock_delay = 300,
};
static struct tegra_clk_pll_params pll_d_params = {
.input_min = 2000000,
.input_max = 40000000,
.cf_min = 1000000,
.cf_max = 6000000,
.vco_min = 40000000,
.vco_max = 1000000000,
.base_reg = PLLD_BASE,
.misc_reg = PLLD_MISC,
.lock_bit_idx = PLL_BASE_LOCK,
.lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE,
.lock_delay = 1000,
};
static struct tegra_clk_pll_params pll_d2_params = {
.input_min = 2000000,
.input_max = 40000000,
.cf_min = 1000000,
.cf_max = 6000000,
.vco_min = 40000000,
.vco_max = 1000000000,
.base_reg = PLLD2_BASE,
.misc_reg = PLLD2_MISC,
.lock_bit_idx = PLL_BASE_LOCK,
.lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE,
.lock_delay = 1000,
};
static struct tegra_clk_pll_params pll_u_params = {
.input_min = 2000000,
.input_max = 40000000,
.cf_min = 1000000,
.cf_max = 6000000,
.vco_min = 48000000,
.vco_max = 960000000,
.base_reg = PLLU_BASE,
.misc_reg = PLLU_MISC,
.lock_bit_idx = PLL_BASE_LOCK,
.lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE,
.lock_delay = 1000,
};
static struct tegra_clk_pll_params pll_x_params = {
.input_min = 2000000,
.input_max = 31000000,
.cf_min = 1000000,
.cf_max = 6000000,
.vco_min = 20000000,
.vco_max = 1700000000,
.base_reg = PLLX_BASE,
.misc_reg = PLLX_MISC,
.lock_bit_idx = PLL_BASE_LOCK,
.lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
.lock_delay = 300,
};
static struct tegra_clk_pll_params pll_e_params = {
.input_min = 12000000,
.input_max = 216000000,
.cf_min = 12000000,
.cf_max = 12000000,
.vco_min = 1200000000,
.vco_max = 2400000000U,
.base_reg = PLLE_BASE,
.misc_reg = PLLE_MISC,
.lock_bit_idx = PLLE_MISC_LOCK,
.lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE,
.lock_delay = 300,
};
/* Peripheral clock registers */
static struct tegra_clk_periph_regs periph_l_regs = {
.enb_reg = CLK_OUT_ENB_L,
.enb_set_reg = CLK_OUT_ENB_SET_L,
.enb_clr_reg = CLK_OUT_ENB_CLR_L,
.rst_reg = RST_DEVICES_L,
.rst_set_reg = RST_DEVICES_SET_L,
.rst_clr_reg = RST_DEVICES_CLR_L,
};
static struct tegra_clk_periph_regs periph_h_regs = {
.enb_reg = CLK_OUT_ENB_H,
.enb_set_reg = CLK_OUT_ENB_SET_H,
.enb_clr_reg = CLK_OUT_ENB_CLR_H,
.rst_reg = RST_DEVICES_H,
.rst_set_reg = RST_DEVICES_SET_H,
.rst_clr_reg = RST_DEVICES_CLR_H,
};
static struct tegra_clk_periph_regs periph_u_regs = {
.enb_reg = CLK_OUT_ENB_U,
.enb_set_reg = CLK_OUT_ENB_SET_U,
.enb_clr_reg = CLK_OUT_ENB_CLR_U,
.rst_reg = RST_DEVICES_U,
.rst_set_reg = RST_DEVICES_SET_U,
.rst_clr_reg = RST_DEVICES_CLR_U,
};
static struct tegra_clk_periph_regs periph_v_regs = {
.enb_reg = CLK_OUT_ENB_V,
.enb_set_reg = CLK_OUT_ENB_SET_V,
.enb_clr_reg = CLK_OUT_ENB_CLR_V,
.rst_reg = RST_DEVICES_V,
.rst_set_reg = RST_DEVICES_SET_V,
.rst_clr_reg = RST_DEVICES_CLR_V,
};
static struct tegra_clk_periph_regs periph_w_regs = {
.enb_reg = CLK_OUT_ENB_W,
.enb_set_reg = CLK_OUT_ENB_SET_W,
.enb_clr_reg = CLK_OUT_ENB_CLR_W,
.rst_reg = RST_DEVICES_W,
.rst_set_reg = RST_DEVICES_SET_W,
.rst_clr_reg = RST_DEVICES_CLR_W,
};
static void tegra30_clk_measure_input_freq(void)
{
u32 osc_ctrl = readl_relaxed(clk_base + OSC_CTRL);
u32 auto_clk_control = osc_ctrl & OSC_CTRL_OSC_FREQ_MASK;
u32 pll_ref_div = osc_ctrl & OSC_CTRL_PLL_REF_DIV_MASK;
switch (auto_clk_control) {
case OSC_CTRL_OSC_FREQ_12MHZ:
BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
input_freq = 12000000;
break;
case OSC_CTRL_OSC_FREQ_13MHZ:
BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
input_freq = 13000000;
break;
case OSC_CTRL_OSC_FREQ_19_2MHZ:
BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
input_freq = 19200000;
break;
case OSC_CTRL_OSC_FREQ_26MHZ:
BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
input_freq = 26000000;
break;
case OSC_CTRL_OSC_FREQ_16_8MHZ:
BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
input_freq = 16800000;
break;
case OSC_CTRL_OSC_FREQ_38_4MHZ:
BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_2);
input_freq = 38400000;
break;
case OSC_CTRL_OSC_FREQ_48MHZ:
BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_4);
input_freq = 48000000;
break;
default:
pr_err("Unexpected auto clock control value %d",
auto_clk_control);
BUG();
return;
}
}
static unsigned int tegra30_get_pll_ref_div(void)
{
u32 pll_ref_div = readl_relaxed(clk_base + OSC_CTRL) &
OSC_CTRL_PLL_REF_DIV_MASK;
switch (pll_ref_div) {
case OSC_CTRL_PLL_REF_DIV_1:
return 1;
case OSC_CTRL_PLL_REF_DIV_2:
return 2;
case OSC_CTRL_PLL_REF_DIV_4:
return 4;
default:
pr_err("Invalid pll ref divider %d", pll_ref_div);
BUG();
}
return 0;
}
static void tegra30_utmi_param_configure(void)
{
u32 reg;
int i;
for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) {
if (input_freq == utmi_parameters[i].osc_frequency)
break;
}
if (i >= ARRAY_SIZE(utmi_parameters)) {
pr_err("%s: Unexpected input rate %lu\n", __func__, input_freq);
return;
}
reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);
/* Program UTMIP PLL stable and active counts */
reg &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0);
reg |= UTMIP_PLL_CFG2_STABLE_COUNT(
utmi_parameters[i].stable_count);
reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0);
reg |= UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(
utmi_parameters[i].active_delay_count);
/* Remove power downs from UTMIP PLL control bits */
reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN;
reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN;
reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN;
writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
/* Program UTMIP PLL delay and oscillator frequency counts */
reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0);
reg |= UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(
utmi_parameters[i].enable_delay_count);
reg &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0);
reg |= UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(
utmi_parameters[i].xtal_freq_count);
/* Remove power downs from UTMIP PLL control bits */
reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN;
reg &= ~UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN;
writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
}
static const char *pll_e_parents[] = {"pll_ref", "pll_p"};
static void __init tegra30_pll_init(void)
{
struct clk *clk;
/* PLLC */
clk = tegra_clk_register_pll("pll_c", "pll_ref", clk_base, pmc_base, 0,
0, &pll_c_params,
TEGRA_PLL_HAS_CPCON | TEGRA_PLL_USE_LOCK,
pll_c_freq_table, NULL);
clk_register_clkdev(clk, "pll_c", NULL);
clks[pll_c] = clk;
/* PLLC_OUT1 */
clk = tegra_clk_register_divider("pll_c_out1_div", "pll_c",
clk_base + PLLC_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
8, 8, 1, NULL);
clk = tegra_clk_register_pll_out("pll_c_out1", "pll_c_out1_div",
clk_base + PLLC_OUT, 1, 0, CLK_SET_RATE_PARENT,
0, NULL);
clk_register_clkdev(clk, "pll_c_out1", NULL);
clks[pll_c_out1] = clk;
/* PLLP */
clk = tegra_clk_register_pll("pll_p", "pll_ref", clk_base, pmc_base, 0,
408000000, &pll_p_params,
TEGRA_PLL_FIXED | TEGRA_PLL_HAS_CPCON |
TEGRA_PLL_USE_LOCK, pll_p_freq_table, NULL);
clk_register_clkdev(clk, "pll_p", NULL);
clks[pll_p] = clk;
/* PLLP_OUT1 */
clk = tegra_clk_register_divider("pll_p_out1_div", "pll_p",
clk_base + PLLP_OUTA, 0, TEGRA_DIVIDER_FIXED |
TEGRA_DIVIDER_ROUND_UP, 8, 8, 1,
&pll_div_lock);
clk = tegra_clk_register_pll_out("pll_p_out1", "pll_p_out1_div",
clk_base + PLLP_OUTA, 1, 0,
CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0,
&pll_div_lock);
clk_register_clkdev(clk, "pll_p_out1", NULL);
clks[pll_p_out1] = clk;
/* PLLP_OUT2 */
clk = tegra_clk_register_divider("pll_p_out2_div", "pll_p",
clk_base + PLLP_OUTA, 0, TEGRA_DIVIDER_FIXED |
TEGRA_DIVIDER_ROUND_UP, 24, 8, 1,
&pll_div_lock);
clk = tegra_clk_register_pll_out("pll_p_out2", "pll_p_out2_div",
clk_base + PLLP_OUTA, 17, 16,
CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0,
&pll_div_lock);
clk_register_clkdev(clk, "pll_p_out2", NULL);
clks[pll_p_out2] = clk;
/* PLLP_OUT3 */
clk = tegra_clk_register_divider("pll_p_out3_div", "pll_p",
clk_base + PLLP_OUTB, 0, TEGRA_DIVIDER_FIXED |
TEGRA_DIVIDER_ROUND_UP, 8, 8, 1,
&pll_div_lock);
clk = tegra_clk_register_pll_out("pll_p_out3", "pll_p_out3_div",
clk_base + PLLP_OUTB, 1, 0,
CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0,
&pll_div_lock);
clk_register_clkdev(clk, "pll_p_out3", NULL);
clks[pll_p_out3] = clk;
/* PLLP_OUT4 */
clk = tegra_clk_register_divider("pll_p_out4_div", "pll_p",
clk_base + PLLP_OUTB, 0, TEGRA_DIVIDER_FIXED |
TEGRA_DIVIDER_ROUND_UP, 24, 8, 1,
&pll_div_lock);
clk = tegra_clk_register_pll_out("pll_p_out4", "pll_p_out4_div",
clk_base + PLLP_OUTB, 17, 16,
CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0,
&pll_div_lock);
clk_register_clkdev(clk, "pll_p_out4", NULL);
clks[pll_p_out4] = clk;
/* PLLM */
clk = tegra_clk_register_pll("pll_m", "pll_ref", clk_base, pmc_base,
CLK_IGNORE_UNUSED | CLK_SET_RATE_GATE, 0,
&pll_m_params, TEGRA_PLLM | TEGRA_PLL_HAS_CPCON |
TEGRA_PLL_SET_DCCON | TEGRA_PLL_USE_LOCK,
pll_m_freq_table, NULL);
clk_register_clkdev(clk, "pll_m", NULL);
clks[pll_m] = clk;
/* PLLM_OUT1 */
clk = tegra_clk_register_divider("pll_m_out1_div", "pll_m",
clk_base + PLLM_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
8, 8, 1, NULL);
clk = tegra_clk_register_pll_out("pll_m_out1", "pll_m_out1_div",
clk_base + PLLM_OUT, 1, 0, CLK_IGNORE_UNUSED |
CLK_SET_RATE_PARENT, 0, NULL);
clk_register_clkdev(clk, "pll_m_out1", NULL);
clks[pll_m_out1] = clk;
/* PLLX */
clk = tegra_clk_register_pll("pll_x", "pll_ref", clk_base, pmc_base, 0,
0, &pll_x_params, TEGRA_PLL_HAS_CPCON |
TEGRA_PLL_SET_DCCON | TEGRA_PLL_USE_LOCK,
pll_x_freq_table, NULL);
clk_register_clkdev(clk, "pll_x", NULL);
clks[pll_x] = clk;
/* PLLX_OUT0 */
clk = clk_register_fixed_factor(NULL, "pll_x_out0", "pll_x",
CLK_SET_RATE_PARENT, 1, 2);
clk_register_clkdev(clk, "pll_x_out0", NULL);
clks[pll_x_out0] = clk;
/* PLLU */
clk = tegra_clk_register_pll("pll_u", "pll_ref", clk_base, pmc_base, 0,
0, &pll_u_params, TEGRA_PLLU | TEGRA_PLL_HAS_CPCON |
TEGRA_PLL_SET_LFCON | TEGRA_PLL_USE_LOCK,
pll_u_freq_table,
NULL);
clk_register_clkdev(clk, "pll_u", NULL);
clks[pll_u] = clk;
tegra30_utmi_param_configure();
/* PLLD */
clk = tegra_clk_register_pll("pll_d", "pll_ref", clk_base, pmc_base, 0,
0, &pll_d_params, TEGRA_PLL_HAS_CPCON |
TEGRA_PLL_SET_LFCON | TEGRA_PLL_USE_LOCK,
pll_d_freq_table, &pll_d_lock);
clk_register_clkdev(clk, "pll_d", NULL);
clks[pll_d] = clk;
/* PLLD_OUT0 */
clk = clk_register_fixed_factor(NULL, "pll_d_out0", "pll_d",
CLK_SET_RATE_PARENT, 1, 2);
clk_register_clkdev(clk, "pll_d_out0", NULL);
clks[pll_d_out0] = clk;
/* PLLD2 */
clk = tegra_clk_register_pll("pll_d2", "pll_ref", clk_base, pmc_base, 0,
0, &pll_d2_params, TEGRA_PLL_HAS_CPCON |
TEGRA_PLL_SET_LFCON | TEGRA_PLL_USE_LOCK,
pll_d_freq_table, NULL);
clk_register_clkdev(clk, "pll_d2", NULL);
clks[pll_d2] = clk;
/* PLLD2_OUT0 */
clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2",
CLK_SET_RATE_PARENT, 1, 2);
clk_register_clkdev(clk, "pll_d2_out0", NULL);
clks[pll_d2_out0] = clk;
/* PLLA */
clk = tegra_clk_register_pll("pll_a", "pll_p_out1", clk_base, pmc_base,
0, 0, &pll_a_params, TEGRA_PLL_HAS_CPCON |
TEGRA_PLL_USE_LOCK, pll_a_freq_table, NULL);
clk_register_clkdev(clk, "pll_a", NULL);
clks[pll_a] = clk;
/* PLLA_OUT0 */
clk = tegra_clk_register_divider("pll_a_out0_div", "pll_a",
clk_base + PLLA_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
8, 8, 1, NULL);
clk = tegra_clk_register_pll_out("pll_a_out0", "pll_a_out0_div",
clk_base + PLLA_OUT, 1, 0, CLK_IGNORE_UNUSED |
CLK_SET_RATE_PARENT, 0, NULL);
clk_register_clkdev(clk, "pll_a_out0", NULL);
clks[pll_a_out0] = clk;
/* PLLE */
clk = clk_register_mux(NULL, "pll_e_mux", pll_e_parents,
ARRAY_SIZE(pll_e_parents), 0,
clk_base + PLLE_AUX, 2, 1, 0, NULL);
clk = tegra_clk_register_plle("pll_e", "pll_e_mux", clk_base, pmc_base,
CLK_GET_RATE_NOCACHE, 100000000, &pll_e_params,
TEGRA_PLLE_CONFIGURE, pll_e_freq_table, NULL);
clk_register_clkdev(clk, "pll_e", NULL);
clks[pll_e] = clk;
}
static const char *mux_audio_sync_clk[] = { "spdif_in_sync", "i2s0_sync",
"i2s1_sync", "i2s2_sync", "i2s3_sync", "i2s4_sync", "vimclk_sync",};
static const char *clk_out1_parents[] = { "clk_m", "clk_m_div2",
"clk_m_div4", "extern1", };
static const char *clk_out2_parents[] = { "clk_m", "clk_m_div2",
"clk_m_div4", "extern2", };
static const char *clk_out3_parents[] = { "clk_m", "clk_m_div2",
"clk_m_div4", "extern3", };
static void __init tegra30_audio_clk_init(void)
{
struct clk *clk;
/* spdif_in_sync */
clk = tegra_clk_register_sync_source("spdif_in_sync", 24000000,
24000000);
clk_register_clkdev(clk, "spdif_in_sync", NULL);
clks[spdif_in_sync] = clk;
/* i2s0_sync */
clk = tegra_clk_register_sync_source("i2s0_sync", 24000000, 24000000);
clk_register_clkdev(clk, "i2s0_sync", NULL);
clks[i2s0_sync] = clk;
/* i2s1_sync */
clk = tegra_clk_register_sync_source("i2s1_sync", 24000000, 24000000);
clk_register_clkdev(clk, "i2s1_sync", NULL);
clks[i2s1_sync] = clk;
/* i2s2_sync */
clk = tegra_clk_register_sync_source("i2s2_sync", 24000000, 24000000);
clk_register_clkdev(clk, "i2s2_sync", NULL);
clks[i2s2_sync] = clk;
/* i2s3_sync */
clk = tegra_clk_register_sync_source("i2s3_sync", 24000000, 24000000);
clk_register_clkdev(clk, "i2s3_sync", NULL);
clks[i2s3_sync] = clk;
/* i2s4_sync */
clk = tegra_clk_register_sync_source("i2s4_sync", 24000000, 24000000);
clk_register_clkdev(clk, "i2s4_sync", NULL);
clks[i2s4_sync] = clk;
/* vimclk_sync */
clk = tegra_clk_register_sync_source("vimclk_sync", 24000000, 24000000);
clk_register_clkdev(clk, "vimclk_sync", NULL);
clks[vimclk_sync] = clk;
/* audio0 */
clk = clk_register_mux(NULL, "audio0_mux", mux_audio_sync_clk,
ARRAY_SIZE(mux_audio_sync_clk), 0,
clk_base + AUDIO_SYNC_CLK_I2S0, 0, 3, 0, NULL);
clk = clk_register_gate(NULL, "audio0", "audio0_mux", 0,
clk_base + AUDIO_SYNC_CLK_I2S0, 4,
CLK_GATE_SET_TO_DISABLE, NULL);
clk_register_clkdev(clk, "audio0", NULL);
clks[audio0] = clk;
/* audio1 */
clk = clk_register_mux(NULL, "audio1_mux", mux_audio_sync_clk,
ARRAY_SIZE(mux_audio_sync_clk), 0,
clk_base + AUDIO_SYNC_CLK_I2S1, 0, 3, 0, NULL);
clk = clk_register_gate(NULL, "audio1", "audio1_mux", 0,
clk_base + AUDIO_SYNC_CLK_I2S1, 4,
CLK_GATE_SET_TO_DISABLE, NULL);
clk_register_clkdev(clk, "audio1", NULL);
clks[audio1] = clk;
/* audio2 */
clk = clk_register_mux(NULL, "audio2_mux", mux_audio_sync_clk,
ARRAY_SIZE(mux_audio_sync_clk), 0,
clk_base + AUDIO_SYNC_CLK_I2S2, 0, 3, 0, NULL);
clk = clk_register_gate(NULL, "audio2", "audio2_mux", 0,
clk_base + AUDIO_SYNC_CLK_I2S2, 4,
CLK_GATE_SET_TO_DISABLE, NULL);
clk_register_clkdev(clk, "audio2", NULL);
clks[audio2] = clk;
/* audio3 */
clk = clk_register_mux(NULL, "audio3_mux", mux_audio_sync_clk,
ARRAY_SIZE(mux_audio_sync_clk), 0,
clk_base + AUDIO_SYNC_CLK_I2S3, 0, 3, 0, NULL);
clk = clk_register_gate(NULL, "audio3", "audio3_mux", 0,
clk_base + AUDIO_SYNC_CLK_I2S3, 4,
CLK_GATE_SET_TO_DISABLE, NULL);
clk_register_clkdev(clk, "audio3", NULL);
clks[audio3] = clk;
/* audio4 */
clk = clk_register_mux(NULL, "audio4_mux", mux_audio_sync_clk,
ARRAY_SIZE(mux_audio_sync_clk), 0,
clk_base + AUDIO_SYNC_CLK_I2S4, 0, 3, 0, NULL);
clk = clk_register_gate(NULL, "audio4", "audio4_mux", 0,
clk_base + AUDIO_SYNC_CLK_I2S4, 4,
CLK_GATE_SET_TO_DISABLE, NULL);
clk_register_clkdev(clk, "audio4", NULL);
clks[audio4] = clk;
/* spdif */
clk = clk_register_mux(NULL, "spdif_mux", mux_audio_sync_clk,
ARRAY_SIZE(mux_audio_sync_clk), 0,
clk_base + AUDIO_SYNC_CLK_SPDIF, 0, 3, 0, NULL);
clk = clk_register_gate(NULL, "spdif", "spdif_mux", 0,
clk_base + AUDIO_SYNC_CLK_SPDIF, 4,
CLK_GATE_SET_TO_DISABLE, NULL);
clk_register_clkdev(clk, "spdif", NULL);
clks[spdif] = clk;
/* audio0_2x */
clk = clk_register_fixed_factor(NULL, "audio0_doubler", "audio0",
CLK_SET_RATE_PARENT, 2, 1);
clk = tegra_clk_register_divider("audio0_div", "audio0_doubler",
clk_base + AUDIO_SYNC_DOUBLER, 0, 0, 24, 1, 0,
&clk_doubler_lock);
clk = tegra_clk_register_periph_gate("audio0_2x", "audio0_div",
TEGRA_PERIPH_NO_RESET, clk_base,
CLK_SET_RATE_PARENT, 113, &periph_v_regs,
periph_clk_enb_refcnt);
clk_register_clkdev(clk, "audio0_2x", NULL);
clks[audio0_2x] = clk;
/* audio1_2x */
clk = clk_register_fixed_factor(NULL, "audio1_doubler", "audio1",
CLK_SET_RATE_PARENT, 2, 1);
clk = tegra_clk_register_divider("audio1_div", "audio1_doubler",
clk_base + AUDIO_SYNC_DOUBLER, 0, 0, 25, 1, 0,
&clk_doubler_lock);
clk = tegra_clk_register_periph_gate("audio1_2x", "audio1_div",
TEGRA_PERIPH_NO_RESET, clk_base,
CLK_SET_RATE_PARENT, 114, &periph_v_regs,
periph_clk_enb_refcnt);
clk_register_clkdev(clk, "audio1_2x", NULL);
clks[audio1_2x] = clk;
/* audio2_2x */
clk = clk_register_fixed_factor(NULL, "audio2_doubler", "audio2",
CLK_SET_RATE_PARENT, 2, 1);
clk = tegra_clk_register_divider("audio2_div", "audio2_doubler",
clk_base + AUDIO_SYNC_DOUBLER, 0, 0, 26, 1, 0,
&clk_doubler_lock);
clk = tegra_clk_register_periph_gate("audio2_2x", "audio2_div",
TEGRA_PERIPH_NO_RESET, clk_base,
CLK_SET_RATE_PARENT, 115, &periph_v_regs,
periph_clk_enb_refcnt);
clk_register_clkdev(clk, "audio2_2x", NULL);
clks[audio2_2x] = clk;
/* audio3_2x */
clk = clk_register_fixed_factor(NULL, "audio3_doubler", "audio3",
CLK_SET_RATE_PARENT, 2, 1);
clk = tegra_clk_register_divider("audio3_div", "audio3_doubler",
clk_base + AUDIO_SYNC_DOUBLER, 0, 0, 27, 1, 0,
&clk_doubler_lock);
clk = tegra_clk_register_periph_gate("audio3_2x", "audio3_div",
TEGRA_PERIPH_NO_RESET, clk_base,
CLK_SET_RATE_PARENT, 116, &periph_v_regs,
periph_clk_enb_refcnt);
clk_register_clkdev(clk, "audio3_2x", NULL);
clks[audio3_2x] = clk;
/* audio4_2x */
clk = clk_register_fixed_factor(NULL, "audio4_doubler", "audio4",
CLK_SET_RATE_PARENT, 2, 1);
clk = tegra_clk_register_divider("audio4_div", "audio4_doubler",
clk_base + AUDIO_SYNC_DOUBLER, 0, 0, 28, 1, 0,
&clk_doubler_lock);
clk = tegra_clk_register_periph_gate("audio4_2x", "audio4_div",
TEGRA_PERIPH_NO_RESET, clk_base,
CLK_SET_RATE_PARENT, 117, &periph_v_regs,
periph_clk_enb_refcnt);
clk_register_clkdev(clk, "audio4_2x", NULL);
clks[audio4_2x] = clk;
/* spdif_2x */
clk = clk_register_fixed_factor(NULL, "spdif_doubler", "spdif",
CLK_SET_RATE_PARENT, 2, 1);
clk = tegra_clk_register_divider("spdif_div", "spdif_doubler",
clk_base + AUDIO_SYNC_DOUBLER, 0, 0, 29, 1, 0,
&clk_doubler_lock);
clk = tegra_clk_register_periph_gate("spdif_2x", "spdif_div",
TEGRA_PERIPH_NO_RESET, clk_base,
CLK_SET_RATE_PARENT, 118, &periph_v_regs,
periph_clk_enb_refcnt);
clk_register_clkdev(clk, "spdif_2x", NULL);
clks[spdif_2x] = clk;
}
static void __init tegra30_pmc_clk_init(void)
{
struct clk *clk;
/* clk_out_1 */
clk = clk_register_mux(NULL, "clk_out_1_mux", clk_out1_parents,
ARRAY_SIZE(clk_out1_parents), 0,
pmc_base + PMC_CLK_OUT_CNTRL, 6, 3, 0,
&clk_out_lock);
clks[clk_out_1_mux] = clk;
clk = clk_register_gate(NULL, "clk_out_1", "clk_out_1_mux", 0,
pmc_base + PMC_CLK_OUT_CNTRL, 2, 0,
&clk_out_lock);
clk_register_clkdev(clk, "extern1", "clk_out_1");
clks[clk_out_1] = clk;
/* clk_out_2 */
clk = clk_register_mux(NULL, "clk_out_2_mux", clk_out2_parents,
ARRAY_SIZE(clk_out1_parents), 0,
pmc_base + PMC_CLK_OUT_CNTRL, 14, 3, 0,
&clk_out_lock);
clk = clk_register_gate(NULL, "clk_out_2", "clk_out_2_mux", 0,
pmc_base + PMC_CLK_OUT_CNTRL, 10, 0,
&clk_out_lock);
clk_register_clkdev(clk, "extern2", "clk_out_2");
clks[clk_out_2] = clk;
/* clk_out_3 */
clk = clk_register_mux(NULL, "clk_out_3_mux", clk_out3_parents,
ARRAY_SIZE(clk_out1_parents), 0,
pmc_base + PMC_CLK_OUT_CNTRL, 22, 3, 0,
&clk_out_lock);
clk = clk_register_gate(NULL, "clk_out_3", "clk_out_3_mux", 0,
pmc_base + PMC_CLK_OUT_CNTRL, 18, 0,
&clk_out_lock);
clk_register_clkdev(clk, "extern3", "clk_out_3");
clks[clk_out_3] = clk;
/* blink */
writel_relaxed(0, pmc_base + PMC_BLINK_TIMER);
clk = clk_register_gate(NULL, "blink_override", "clk_32k", 0,
pmc_base + PMC_DPD_PADS_ORIDE,
PMC_DPD_PADS_ORIDE_BLINK_ENB, 0, NULL);
clk = clk_register_gate(NULL, "blink", "blink_override", 0,
pmc_base + PMC_CTRL,
PMC_CTRL_BLINK_ENB, 0, NULL);
clk_register_clkdev(clk, "blink", NULL);
clks[blink] = clk;
}
clk: tegra: local arrays should be static cclk_g_parents, cclk_lp_parents and sclk_parents are only accessed from within clk-tegra30.c. Declare them static to avoid namespace polution. Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com> Acked-by: Mike Turquette <mturquette@linaro.org> Reviewed-by: Prashant Gaikwad <pgaikwad@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-02-08 00:30:36 +08:00
static const char *cclk_g_parents[] = { "clk_m", "pll_c", "clk_32k", "pll_m",
"pll_p_cclkg", "pll_p_out4_cclkg",
"pll_p_out3_cclkg", "unused", "pll_x" };
static const char *cclk_lp_parents[] = { "clk_m", "pll_c", "clk_32k", "pll_m",
"pll_p_cclklp", "pll_p_out4_cclklp",
"pll_p_out3_cclklp", "unused", "pll_x",
"pll_x_out0" };
static const char *sclk_parents[] = { "clk_m", "pll_c_out1", "pll_p_out4",
"pll_p_out3", "pll_p_out2", "unused",
"clk_32k", "pll_m_out1" };
clk: tegra: add clock support for Tegra30 Add Tegra30 clock support based on common clock framework. Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com> [swarren: ensure all OF lookups return valid cookies i.e. an explicit error pointer or valid pointer not NULL, adapt to renames in earlier patches, fixed some checkpatch issues.] Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-11 15:46:25 +08:00
static void __init tegra30_super_clk_init(void)
{
struct clk *clk;
/*
* Clock input to cclk_g divided from pll_p using
* U71 divider of cclk_g.
*/
clk = tegra_clk_register_divider("pll_p_cclkg", "pll_p",
clk_base + SUPER_CCLKG_DIVIDER, 0,
TEGRA_DIVIDER_INT, 16, 8, 1, NULL);
clk_register_clkdev(clk, "pll_p_cclkg", NULL);
/*
* Clock input to cclk_g divided from pll_p_out3 using
* U71 divider of cclk_g.
*/
clk = tegra_clk_register_divider("pll_p_out3_cclkg", "pll_p_out3",
clk_base + SUPER_CCLKG_DIVIDER, 0,
TEGRA_DIVIDER_INT, 16, 8, 1, NULL);
clk_register_clkdev(clk, "pll_p_out3_cclkg", NULL);
/*
* Clock input to cclk_g divided from pll_p_out4 using
* U71 divider of cclk_g.
*/
clk = tegra_clk_register_divider("pll_p_out4_cclkg", "pll_p_out4",
clk_base + SUPER_CCLKG_DIVIDER, 0,
TEGRA_DIVIDER_INT, 16, 8, 1, NULL);
clk_register_clkdev(clk, "pll_p_out4_cclkg", NULL);
/* CCLKG */
clk = tegra_clk_register_super_mux("cclk_g", cclk_g_parents,
ARRAY_SIZE(cclk_g_parents),
CLK_SET_RATE_PARENT,
clk_base + CCLKG_BURST_POLICY,
0, 4, 0, 0, NULL);
clk_register_clkdev(clk, "cclk_g", NULL);
clks[cclk_g] = clk;
/*
* Clock input to cclk_lp divided from pll_p using
* U71 divider of cclk_lp.
*/
clk = tegra_clk_register_divider("pll_p_cclklp", "pll_p",
clk_base + SUPER_CCLKLP_DIVIDER, 0,
TEGRA_DIVIDER_INT, 16, 8, 1, NULL);
clk_register_clkdev(clk, "pll_p_cclklp", NULL);
/*
* Clock input to cclk_lp divided from pll_p_out3 using
* U71 divider of cclk_lp.
*/
clk = tegra_clk_register_divider("pll_p_out3_cclklp", "pll_p_out3",
clk_base + SUPER_CCLKG_DIVIDER, 0,
TEGRA_DIVIDER_INT, 16, 8, 1, NULL);
clk_register_clkdev(clk, "pll_p_out3_cclklp", NULL);
/*
* Clock input to cclk_lp divided from pll_p_out4 using
* U71 divider of cclk_lp.
*/
clk = tegra_clk_register_divider("pll_p_out4_cclklp", "pll_p_out4",
clk_base + SUPER_CCLKLP_DIVIDER, 0,
TEGRA_DIVIDER_INT, 16, 8, 1, NULL);
clk_register_clkdev(clk, "pll_p_out4_cclklp", NULL);
/* CCLKLP */
clk = tegra_clk_register_super_mux("cclk_lp", cclk_lp_parents,
ARRAY_SIZE(cclk_lp_parents),
CLK_SET_RATE_PARENT,
clk_base + CCLKLP_BURST_POLICY,
TEGRA_DIVIDER_2, 4, 8, 9,
NULL);
clk_register_clkdev(clk, "cclk_lp", NULL);
clks[cclk_lp] = clk;
/* SCLK */
clk = tegra_clk_register_super_mux("sclk", sclk_parents,
ARRAY_SIZE(sclk_parents),
CLK_SET_RATE_PARENT,
clk_base + SCLK_BURST_POLICY,
0, 4, 0, 0, NULL);
clk_register_clkdev(clk, "sclk", NULL);
clks[sclk] = clk;
/* HCLK */
clk = clk_register_divider(NULL, "hclk_div", "sclk", 0,
clk: tegra: Add missing spinlock for hclk and pclk The hclk and pclk clocks are controlled by the same register. Hence a lock is required to avoid corruption. Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com> Acked-by: Mike Turquette <mturquette@linaro.org> Reviewed-by: Prashant Gaikwad <pgaikwad@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-02-08 00:37:35 +08:00
clk_base + SYSTEM_CLK_RATE, 4, 2, 0,
&sysrate_lock);
clk: tegra: add clock support for Tegra30 Add Tegra30 clock support based on common clock framework. Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com> [swarren: ensure all OF lookups return valid cookies i.e. an explicit error pointer or valid pointer not NULL, adapt to renames in earlier patches, fixed some checkpatch issues.] Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-11 15:46:25 +08:00
clk = clk_register_gate(NULL, "hclk", "hclk_div", CLK_SET_RATE_PARENT,
clk_base + SYSTEM_CLK_RATE, 7,
clk: tegra: Add missing spinlock for hclk and pclk The hclk and pclk clocks are controlled by the same register. Hence a lock is required to avoid corruption. Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com> Acked-by: Mike Turquette <mturquette@linaro.org> Reviewed-by: Prashant Gaikwad <pgaikwad@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-02-08 00:37:35 +08:00
CLK_GATE_SET_TO_DISABLE, &sysrate_lock);
clk: tegra: add clock support for Tegra30 Add Tegra30 clock support based on common clock framework. Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com> [swarren: ensure all OF lookups return valid cookies i.e. an explicit error pointer or valid pointer not NULL, adapt to renames in earlier patches, fixed some checkpatch issues.] Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-11 15:46:25 +08:00
clk_register_clkdev(clk, "hclk", NULL);
clks[hclk] = clk;
/* PCLK */
clk = clk_register_divider(NULL, "pclk_div", "hclk", 0,
clk: tegra: Add missing spinlock for hclk and pclk The hclk and pclk clocks are controlled by the same register. Hence a lock is required to avoid corruption. Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com> Acked-by: Mike Turquette <mturquette@linaro.org> Reviewed-by: Prashant Gaikwad <pgaikwad@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-02-08 00:37:35 +08:00
clk_base + SYSTEM_CLK_RATE, 0, 2, 0,
&sysrate_lock);
clk: tegra: add clock support for Tegra30 Add Tegra30 clock support based on common clock framework. Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com> [swarren: ensure all OF lookups return valid cookies i.e. an explicit error pointer or valid pointer not NULL, adapt to renames in earlier patches, fixed some checkpatch issues.] Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-11 15:46:25 +08:00
clk = clk_register_gate(NULL, "pclk", "pclk_div", CLK_SET_RATE_PARENT,
clk_base + SYSTEM_CLK_RATE, 3,
clk: tegra: Add missing spinlock for hclk and pclk The hclk and pclk clocks are controlled by the same register. Hence a lock is required to avoid corruption. Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com> Acked-by: Mike Turquette <mturquette@linaro.org> Reviewed-by: Prashant Gaikwad <pgaikwad@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-02-08 00:37:35 +08:00
CLK_GATE_SET_TO_DISABLE, &sysrate_lock);
clk: tegra: add clock support for Tegra30 Add Tegra30 clock support based on common clock framework. Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com> [swarren: ensure all OF lookups return valid cookies i.e. an explicit error pointer or valid pointer not NULL, adapt to renames in earlier patches, fixed some checkpatch issues.] Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-11 15:46:25 +08:00
clk_register_clkdev(clk, "pclk", NULL);
clks[pclk] = clk;
/* twd */
clk = clk_register_fixed_factor(NULL, "twd", "cclk_g",
CLK_SET_RATE_PARENT, 1, 2);
clk_register_clkdev(clk, "twd", NULL);
clks[twd] = clk;
}
static const char *mux_pllacp_clkm[] = { "pll_a_out0", "unused", "pll_p",
"clk_m" };
static const char *mux_pllpcm_clkm[] = { "pll_p", "pll_c", "pll_m", "clk_m" };
static const char *mux_pllmcp_clkm[] = { "pll_m", "pll_c", "pll_p", "clk_m" };
static const char *i2s0_parents[] = { "pll_a_out0", "audio0_2x", "pll_p",
"clk_m" };
static const char *i2s1_parents[] = { "pll_a_out0", "audio1_2x", "pll_p",
"clk_m" };
static const char *i2s2_parents[] = { "pll_a_out0", "audio2_2x", "pll_p",
"clk_m" };
static const char *i2s3_parents[] = { "pll_a_out0", "audio3_2x", "pll_p",
"clk_m" };
static const char *i2s4_parents[] = { "pll_a_out0", "audio4_2x", "pll_p",
"clk_m" };
static const char *spdif_out_parents[] = { "pll_a_out0", "spdif_2x", "pll_p",
"clk_m" };
static const char *spdif_in_parents[] = { "pll_p", "pll_c", "pll_m" };
static const char *mux_pllpc_clk32k_clkm[] = { "pll_p", "pll_c", "clk_32k",
"clk_m" };
static const char *mux_pllpc_clkm_clk32k[] = { "pll_p", "pll_c", "clk_m",
"clk_32k" };
static const char *mux_pllmcpa[] = { "pll_m", "pll_c", "pll_p", "pll_a_out0" };
static const char *mux_pllpdc_clkm[] = { "pll_p", "pll_d_out0", "pll_c",
"clk_m" };
static const char *mux_pllp_clkm[] = { "pll_p", "unused", "unused", "clk_m" };
static const char *mux_pllpmdacd2_clkm[] = { "pll_p", "pll_m", "pll_d_out0",
"pll_a_out0", "pll_c",
"pll_d2_out0", "clk_m" };
static const char *mux_plla_clk32k_pllp_clkm_plle[] = { "pll_a_out0",
"clk_32k", "pll_p",
"clk_m", "pll_e" };
static const char *mux_plld_out0_plld2_out0[] = { "pll_d_out0",
"pll_d2_out0" };
static struct tegra_periph_init_data tegra_periph_clk_list[] = {
TEGRA_INIT_DATA_MUX("i2s0", NULL, "tegra30-i2s.0", i2s0_parents, CLK_SOURCE_I2S0, 30, &periph_l_regs, TEGRA_PERIPH_ON_APB, i2s0),
TEGRA_INIT_DATA_MUX("i2s1", NULL, "tegra30-i2s.1", i2s1_parents, CLK_SOURCE_I2S1, 11, &periph_l_regs, TEGRA_PERIPH_ON_APB, i2s1),
TEGRA_INIT_DATA_MUX("i2s2", NULL, "tegra30-i2s.2", i2s2_parents, CLK_SOURCE_I2S2, 18, &periph_l_regs, TEGRA_PERIPH_ON_APB, i2s2),
TEGRA_INIT_DATA_MUX("i2s3", NULL, "tegra30-i2s.3", i2s3_parents, CLK_SOURCE_I2S3, 101, &periph_v_regs, TEGRA_PERIPH_ON_APB, i2s3),
TEGRA_INIT_DATA_MUX("i2s4", NULL, "tegra30-i2s.4", i2s4_parents, CLK_SOURCE_I2S4, 102, &periph_v_regs, TEGRA_PERIPH_ON_APB, i2s4),
TEGRA_INIT_DATA_MUX("spdif_out", "spdif_out", "tegra30-spdif", spdif_out_parents, CLK_SOURCE_SPDIF_OUT, 10, &periph_l_regs, TEGRA_PERIPH_ON_APB, spdif_out),
TEGRA_INIT_DATA_MUX("spdif_in", "spdif_in", "tegra30-spdif", spdif_in_parents, CLK_SOURCE_SPDIF_IN, 10, &periph_l_regs, TEGRA_PERIPH_ON_APB, spdif_in),
TEGRA_INIT_DATA_MUX("d_audio", "d_audio", "tegra30-ahub", mux_pllacp_clkm, CLK_SOURCE_D_AUDIO, 106, &periph_v_regs, 0, d_audio),
TEGRA_INIT_DATA_MUX("dam0", NULL, "tegra30-dam.0", mux_pllacp_clkm, CLK_SOURCE_DAM0, 108, &periph_v_regs, 0, dam0),
TEGRA_INIT_DATA_MUX("dam1", NULL, "tegra30-dam.1", mux_pllacp_clkm, CLK_SOURCE_DAM1, 109, &periph_v_regs, 0, dam1),
TEGRA_INIT_DATA_MUX("dam2", NULL, "tegra30-dam.2", mux_pllacp_clkm, CLK_SOURCE_DAM2, 110, &periph_v_regs, 0, dam2),
TEGRA_INIT_DATA_MUX("hda", "hda", "tegra30-hda", mux_pllpcm_clkm, CLK_SOURCE_HDA, 125, &periph_v_regs, 0, hda),
TEGRA_INIT_DATA_MUX("hda2codec_2x", "hda2codec", "tegra30-hda", mux_pllpcm_clkm, CLK_SOURCE_HDA2CODEC_2X, 111, &periph_v_regs, 0, hda2codec_2x),
TEGRA_INIT_DATA_MUX("sbc1", NULL, "spi_tegra.0", mux_pllpcm_clkm, CLK_SOURCE_SBC1, 41, &periph_h_regs, TEGRA_PERIPH_ON_APB, sbc1),
TEGRA_INIT_DATA_MUX("sbc2", NULL, "spi_tegra.1", mux_pllpcm_clkm, CLK_SOURCE_SBC2, 44, &periph_h_regs, TEGRA_PERIPH_ON_APB, sbc2),
TEGRA_INIT_DATA_MUX("sbc3", NULL, "spi_tegra.2", mux_pllpcm_clkm, CLK_SOURCE_SBC3, 46, &periph_h_regs, TEGRA_PERIPH_ON_APB, sbc3),
TEGRA_INIT_DATA_MUX("sbc4", NULL, "spi_tegra.3", mux_pllpcm_clkm, CLK_SOURCE_SBC4, 68, &periph_u_regs, TEGRA_PERIPH_ON_APB, sbc4),
TEGRA_INIT_DATA_MUX("sbc5", NULL, "spi_tegra.4", mux_pllpcm_clkm, CLK_SOURCE_SBC5, 104, &periph_v_regs, TEGRA_PERIPH_ON_APB, sbc5),
TEGRA_INIT_DATA_MUX("sbc6", NULL, "spi_tegra.5", mux_pllpcm_clkm, CLK_SOURCE_SBC6, 105, &periph_v_regs, TEGRA_PERIPH_ON_APB, sbc6),
TEGRA_INIT_DATA_MUX("sata_oob", NULL, "tegra_sata_oob", mux_pllpcm_clkm, CLK_SOURCE_SATA_OOB, 123, &periph_v_regs, TEGRA_PERIPH_ON_APB, sata_oob),
TEGRA_INIT_DATA_MUX("sata", NULL, "tegra_sata", mux_pllpcm_clkm, CLK_SOURCE_SATA, 124, &periph_v_regs, TEGRA_PERIPH_ON_APB, sata),
TEGRA_INIT_DATA_MUX("ndflash", NULL, "tegra_nand", mux_pllpcm_clkm, CLK_SOURCE_NDFLASH, 13, &periph_l_regs, TEGRA_PERIPH_ON_APB, ndflash),
TEGRA_INIT_DATA_MUX("ndspeed", NULL, "tegra_nand_speed", mux_pllpcm_clkm, CLK_SOURCE_NDSPEED, 80, &periph_u_regs, TEGRA_PERIPH_ON_APB, ndspeed),
TEGRA_INIT_DATA_MUX("vfir", NULL, "vfir", mux_pllpcm_clkm, CLK_SOURCE_VFIR, 7, &periph_l_regs, TEGRA_PERIPH_ON_APB, vfir),
TEGRA_INIT_DATA_MUX("csite", NULL, "csite", mux_pllpcm_clkm, CLK_SOURCE_CSITE, 73, &periph_u_regs, TEGRA_PERIPH_ON_APB, csite),
TEGRA_INIT_DATA_MUX("la", NULL, "la", mux_pllpcm_clkm, CLK_SOURCE_LA, 76, &periph_u_regs, TEGRA_PERIPH_ON_APB, la),
TEGRA_INIT_DATA_MUX("owr", NULL, "tegra_w1", mux_pllpcm_clkm, CLK_SOURCE_OWR, 71, &periph_u_regs, TEGRA_PERIPH_ON_APB, owr),
TEGRA_INIT_DATA_MUX("mipi", NULL, "mipi", mux_pllpcm_clkm, CLK_SOURCE_MIPI, 50, &periph_h_regs, TEGRA_PERIPH_ON_APB, mipi),
TEGRA_INIT_DATA_MUX("tsensor", NULL, "tegra-tsensor", mux_pllpc_clkm_clk32k, CLK_SOURCE_TSENSOR, 100, &periph_v_regs, TEGRA_PERIPH_ON_APB, tsensor),
TEGRA_INIT_DATA_MUX("i2cslow", NULL, "i2cslow", mux_pllpc_clk32k_clkm, CLK_SOURCE_I2CSLOW, 81, &periph_u_regs, TEGRA_PERIPH_ON_APB, i2cslow),
TEGRA_INIT_DATA_INT("vde", NULL, "vde", mux_pllpcm_clkm, CLK_SOURCE_VDE, 61, &periph_h_regs, 0, vde),
TEGRA_INIT_DATA_INT("vi", "vi", "tegra_camera", mux_pllmcpa, CLK_SOURCE_VI, 20, &periph_l_regs, 0, vi),
TEGRA_INIT_DATA_INT("epp", NULL, "epp", mux_pllmcpa, CLK_SOURCE_EPP, 19, &periph_l_regs, 0, epp),
TEGRA_INIT_DATA_INT("mpe", NULL, "mpe", mux_pllmcpa, CLK_SOURCE_MPE, 60, &periph_h_regs, 0, mpe),
TEGRA_INIT_DATA_INT("host1x", NULL, "host1x", mux_pllmcpa, CLK_SOURCE_HOST1X, 28, &periph_l_regs, 0, host1x),
TEGRA_INIT_DATA_INT("3d", NULL, "3d", mux_pllmcpa, CLK_SOURCE_3D, 24, &periph_l_regs, TEGRA_PERIPH_MANUAL_RESET, gr3d),
TEGRA_INIT_DATA_INT("3d2", NULL, "3d2", mux_pllmcpa, CLK_SOURCE_3D2, 98, &periph_v_regs, TEGRA_PERIPH_MANUAL_RESET, gr3d2),
TEGRA_INIT_DATA_INT("2d", NULL, "2d", mux_pllmcpa, CLK_SOURCE_2D, 21, &periph_l_regs, 0, gr2d),
TEGRA_INIT_DATA_INT("se", NULL, "se", mux_pllpcm_clkm, CLK_SOURCE_SE, 127, &periph_v_regs, 0, se),
TEGRA_INIT_DATA_MUX("mselect", NULL, "mselect", mux_pllp_clkm, CLK_SOURCE_MSELECT, 99, &periph_v_regs, 0, mselect),
TEGRA_INIT_DATA_MUX("nor", NULL, "tegra-nor", mux_pllpcm_clkm, CLK_SOURCE_NOR, 42, &periph_h_regs, 0, nor),
TEGRA_INIT_DATA_MUX("sdmmc1", NULL, "sdhci-tegra.0", mux_pllpcm_clkm, CLK_SOURCE_SDMMC1, 14, &periph_l_regs, 0, sdmmc1),
TEGRA_INIT_DATA_MUX("sdmmc2", NULL, "sdhci-tegra.1", mux_pllpcm_clkm, CLK_SOURCE_SDMMC2, 9, &periph_l_regs, 0, sdmmc2),
TEGRA_INIT_DATA_MUX("sdmmc3", NULL, "sdhci-tegra.2", mux_pllpcm_clkm, CLK_SOURCE_SDMMC3, 69, &periph_u_regs, 0, sdmmc3),
TEGRA_INIT_DATA_MUX("sdmmc4", NULL, "sdhci-tegra.3", mux_pllpcm_clkm, CLK_SOURCE_SDMMC4, 15, &periph_l_regs, 0, sdmmc4),
TEGRA_INIT_DATA_MUX("cve", NULL, "cve", mux_pllpdc_clkm, CLK_SOURCE_CVE, 49, &periph_h_regs, 0, cve),
TEGRA_INIT_DATA_MUX("tvo", NULL, "tvo", mux_pllpdc_clkm, CLK_SOURCE_TVO, 49, &periph_h_regs, 0, tvo),
TEGRA_INIT_DATA_MUX("tvdac", NULL, "tvdac", mux_pllpdc_clkm, CLK_SOURCE_TVDAC, 53, &periph_h_regs, 0, tvdac),
TEGRA_INIT_DATA_MUX("actmon", NULL, "actmon", mux_pllpc_clk32k_clkm, CLK_SOURCE_ACTMON, 119, &periph_v_regs, 0, actmon),
TEGRA_INIT_DATA_MUX("vi_sensor", "vi_sensor", "tegra_camera", mux_pllmcpa, CLK_SOURCE_VI_SENSOR, 20, &periph_l_regs, TEGRA_PERIPH_NO_RESET, vi_sensor),
TEGRA_INIT_DATA_DIV16("i2c1", "div-clk", "tegra-i2c.0", mux_pllp_clkm, CLK_SOURCE_I2C1, 12, &periph_l_regs, TEGRA_PERIPH_ON_APB, i2c1),
TEGRA_INIT_DATA_DIV16("i2c2", "div-clk", "tegra-i2c.1", mux_pllp_clkm, CLK_SOURCE_I2C2, 54, &periph_h_regs, TEGRA_PERIPH_ON_APB, i2c2),
TEGRA_INIT_DATA_DIV16("i2c3", "div-clk", "tegra-i2c.2", mux_pllp_clkm, CLK_SOURCE_I2C3, 67, &periph_u_regs, TEGRA_PERIPH_ON_APB, i2c3),
TEGRA_INIT_DATA_DIV16("i2c4", "div-clk", "tegra-i2c.3", mux_pllp_clkm, CLK_SOURCE_I2C4, 103, &periph_v_regs, TEGRA_PERIPH_ON_APB, i2c4),
TEGRA_INIT_DATA_DIV16("i2c5", "div-clk", "tegra-i2c.4", mux_pllp_clkm, CLK_SOURCE_I2C5, 47, &periph_h_regs, TEGRA_PERIPH_ON_APB, i2c5),
TEGRA_INIT_DATA_UART("uarta", NULL, "tegra_uart.0", mux_pllpcm_clkm, CLK_SOURCE_UARTA, 6, &periph_l_regs, uarta),
TEGRA_INIT_DATA_UART("uartb", NULL, "tegra_uart.1", mux_pllpcm_clkm, CLK_SOURCE_UARTB, 7, &periph_l_regs, uartb),
TEGRA_INIT_DATA_UART("uartc", NULL, "tegra_uart.2", mux_pllpcm_clkm, CLK_SOURCE_UARTC, 55, &periph_h_regs, uartc),
TEGRA_INIT_DATA_UART("uartd", NULL, "tegra_uart.3", mux_pllpcm_clkm, CLK_SOURCE_UARTD, 65, &periph_u_regs, uartd),
TEGRA_INIT_DATA_UART("uarte", NULL, "tegra_uart.4", mux_pllpcm_clkm, CLK_SOURCE_UARTE, 66, &periph_u_regs, uarte),
TEGRA_INIT_DATA_MUX8("hdmi", NULL, "hdmi", mux_pllpmdacd2_clkm, CLK_SOURCE_HDMI, 51, &periph_h_regs, 0, hdmi),
TEGRA_INIT_DATA_MUX8("extern1", NULL, "extern1", mux_plla_clk32k_pllp_clkm_plle, CLK_SOURCE_EXTERN1, 120, &periph_v_regs, 0, extern1),
TEGRA_INIT_DATA_MUX8("extern2", NULL, "extern2", mux_plla_clk32k_pllp_clkm_plle, CLK_SOURCE_EXTERN2, 121, &periph_v_regs, 0, extern2),
TEGRA_INIT_DATA_MUX8("extern3", NULL, "extern3", mux_plla_clk32k_pllp_clkm_plle, CLK_SOURCE_EXTERN3, 122, &periph_v_regs, 0, extern3),
TEGRA_INIT_DATA("pwm", NULL, "pwm", mux_pllpc_clk32k_clkm, CLK_SOURCE_PWM, 28, 2, 0, 0, 8, 1, 0, &periph_l_regs, 17, periph_clk_enb_refcnt, 0, pwm),
};
static struct tegra_periph_init_data tegra_periph_nodiv_clk_list[] = {
TEGRA_INIT_DATA_NODIV("disp1", NULL, "tegradc.0", mux_pllpmdacd2_clkm, CLK_SOURCE_DISP1, 29, 3, 27, &periph_l_regs, 0, disp1),
TEGRA_INIT_DATA_NODIV("disp2", NULL, "tegradc.1", mux_pllpmdacd2_clkm, CLK_SOURCE_DISP2, 29, 3, 26, &periph_l_regs, 0, disp2),
TEGRA_INIT_DATA_NODIV("dsib", NULL, "tegradc.1", mux_plld_out0_plld2_out0, CLK_SOURCE_DSIB, 25, 1, 82, &periph_u_regs, 0, dsib),
};
static void __init tegra30_periph_clk_init(void)
{
struct tegra_periph_init_data *data;
struct clk *clk;
int i;
/* apbdma */
clk = tegra_clk_register_periph_gate("apbdma", "clk_m", 0, clk_base, 0, 34,
&periph_h_regs, periph_clk_enb_refcnt);
clk_register_clkdev(clk, NULL, "tegra-apbdma");
clks[apbdma] = clk;
/* rtc */
clk = tegra_clk_register_periph_gate("rtc", "clk_32k",
TEGRA_PERIPH_NO_RESET | TEGRA_PERIPH_ON_APB,
clk_base, 0, 4, &periph_l_regs,
periph_clk_enb_refcnt);
clk_register_clkdev(clk, NULL, "rtc-tegra");
clks[rtc] = clk;
/* timer */
clk = tegra_clk_register_periph_gate("timer", "clk_m", 0, clk_base, 0,
5, &periph_l_regs, periph_clk_enb_refcnt);
clk_register_clkdev(clk, NULL, "timer");
clks[timer] = clk;
/* kbc */
clk = tegra_clk_register_periph_gate("kbc", "clk_32k",
TEGRA_PERIPH_NO_RESET | TEGRA_PERIPH_ON_APB,
clk_base, 0, 36, &periph_h_regs,
periph_clk_enb_refcnt);
clk_register_clkdev(clk, NULL, "tegra-kbc");
clks[kbc] = clk;
/* csus */
clk = tegra_clk_register_periph_gate("csus", "clk_m",
TEGRA_PERIPH_NO_RESET | TEGRA_PERIPH_ON_APB,
clk_base, 0, 92, &periph_u_regs,
periph_clk_enb_refcnt);
clk_register_clkdev(clk, "csus", "tengra_camera");
clks[csus] = clk;
/* vcp */
clk = tegra_clk_register_periph_gate("vcp", "clk_m", 0, clk_base, 0, 29,
&periph_l_regs, periph_clk_enb_refcnt);
clk_register_clkdev(clk, "vcp", "tegra-avp");
clks[vcp] = clk;
/* bsea */
clk = tegra_clk_register_periph_gate("bsea", "clk_m", 0, clk_base, 0,
62, &periph_h_regs, periph_clk_enb_refcnt);
clk_register_clkdev(clk, "bsea", "tegra-avp");
clks[bsea] = clk;
/* bsev */
clk = tegra_clk_register_periph_gate("bsev", "clk_m", 0, clk_base, 0,
63, &periph_h_regs, periph_clk_enb_refcnt);
clk_register_clkdev(clk, "bsev", "tegra-aes");
clks[bsev] = clk;
/* usbd */
clk = tegra_clk_register_periph_gate("usbd", "clk_m", 0, clk_base, 0,
22, &periph_l_regs, periph_clk_enb_refcnt);
clk_register_clkdev(clk, NULL, "fsl-tegra-udc");
clks[usbd] = clk;
/* usb2 */
clk = tegra_clk_register_periph_gate("usb2", "clk_m", 0, clk_base, 0,
58, &periph_h_regs, periph_clk_enb_refcnt);
clk_register_clkdev(clk, NULL, "tegra-ehci.1");
clks[usb2] = clk;
/* usb3 */
clk = tegra_clk_register_periph_gate("usb3", "clk_m", 0, clk_base, 0,
59, &periph_h_regs, periph_clk_enb_refcnt);
clk_register_clkdev(clk, NULL, "tegra-ehci.2");
clks[usb3] = clk;
/* dsia */
clk = tegra_clk_register_periph_gate("dsia", "pll_d_out0", 0, clk_base,
0, 48, &periph_h_regs,
periph_clk_enb_refcnt);
clk_register_clkdev(clk, "dsia", "tegradc.0");
clks[dsia] = clk;
/* csi */
clk = tegra_clk_register_periph_gate("csi", "pll_p_out3", 0, clk_base,
0, 52, &periph_h_regs,
periph_clk_enb_refcnt);
clk_register_clkdev(clk, "csi", "tegra_camera");
clks[csi] = clk;
/* isp */
clk = tegra_clk_register_periph_gate("isp", "clk_m", 0, clk_base, 0, 23,
&periph_l_regs, periph_clk_enb_refcnt);
clk_register_clkdev(clk, "isp", "tegra_camera");
clks[isp] = clk;
/* pcie */
clk = tegra_clk_register_periph_gate("pcie", "clk_m", 0, clk_base, 0,
70, &periph_u_regs, periph_clk_enb_refcnt);
clk_register_clkdev(clk, "pcie", "tegra-pcie");
clks[pcie] = clk;
/* afi */
clk = tegra_clk_register_periph_gate("afi", "clk_m", 0, clk_base, 0, 72,
&periph_u_regs, periph_clk_enb_refcnt);
clk_register_clkdev(clk, "afi", "tegra-pcie");
clks[afi] = clk;
/* kfuse */
clk = tegra_clk_register_periph_gate("kfuse", "clk_m",
TEGRA_PERIPH_ON_APB,
clk_base, 0, 40, &periph_h_regs,
periph_clk_enb_refcnt);
clk_register_clkdev(clk, NULL, "kfuse-tegra");
clks[kfuse] = clk;
/* fuse */
clk = tegra_clk_register_periph_gate("fuse", "clk_m",
TEGRA_PERIPH_ON_APB,
clk_base, 0, 39, &periph_h_regs,
periph_clk_enb_refcnt);
clk_register_clkdev(clk, "fuse", "fuse-tegra");
clks[fuse] = clk;
/* fuse_burn */
clk = tegra_clk_register_periph_gate("fuse_burn", "clk_m",
TEGRA_PERIPH_ON_APB,
clk_base, 0, 39, &periph_h_regs,
periph_clk_enb_refcnt);
clk_register_clkdev(clk, "fuse_burn", "fuse-tegra");
clks[fuse_burn] = clk;
/* apbif */
clk = tegra_clk_register_periph_gate("apbif", "clk_m", 0,
clk_base, 0, 107, &periph_v_regs,
periph_clk_enb_refcnt);
clk_register_clkdev(clk, "apbif", "tegra30-ahub");
clks[apbif] = clk;
/* hda2hdmi */
clk = tegra_clk_register_periph_gate("hda2hdmi", "clk_m",
TEGRA_PERIPH_ON_APB,
clk_base, 0, 128, &periph_w_regs,
periph_clk_enb_refcnt);
clk_register_clkdev(clk, "hda2hdmi", "tegra30-hda");
clks[hda2hdmi] = clk;
/* sata_cold */
clk = tegra_clk_register_periph_gate("sata_cold", "clk_m",
TEGRA_PERIPH_ON_APB,
clk_base, 0, 129, &periph_w_regs,
periph_clk_enb_refcnt);
clk_register_clkdev(clk, NULL, "tegra_sata_cold");
clks[sata_cold] = clk;
/* dtv */
clk = tegra_clk_register_periph_gate("dtv", "clk_m",
TEGRA_PERIPH_ON_APB,
clk_base, 0, 79, &periph_u_regs,
periph_clk_enb_refcnt);
clk_register_clkdev(clk, NULL, "dtv");
clks[dtv] = clk;
/* emc */
clk = clk_register_mux(NULL, "emc_mux", mux_pllmcp_clkm,
ARRAY_SIZE(mux_pllmcp_clkm), 0,
clk_base + CLK_SOURCE_EMC,
30, 2, 0, NULL);
clk = tegra_clk_register_periph_gate("emc", "emc_mux", 0, clk_base, 0,
57, &periph_h_regs, periph_clk_enb_refcnt);
clk_register_clkdev(clk, "emc", NULL);
clks[emc] = clk;
for (i = 0; i < ARRAY_SIZE(tegra_periph_clk_list); i++) {
data = &tegra_periph_clk_list[i];
clk = tegra_clk_register_periph(data->name, data->parent_names,
data->num_parents, &data->periph,
clk_base, data->offset);
clk_register_clkdev(clk, data->con_id, data->dev_id);
clks[data->clk_id] = clk;
}
for (i = 0; i < ARRAY_SIZE(tegra_periph_nodiv_clk_list); i++) {
data = &tegra_periph_nodiv_clk_list[i];
clk = tegra_clk_register_periph_nodiv(data->name,
data->parent_names,
data->num_parents, &data->periph,
clk_base, data->offset);
clk_register_clkdev(clk, data->con_id, data->dev_id);
clks[data->clk_id] = clk;
}
}
static void __init tegra30_fixed_clk_init(void)
{
struct clk *clk;
/* clk_32k */
clk = clk_register_fixed_rate(NULL, "clk_32k", NULL, CLK_IS_ROOT,
32768);
clk_register_clkdev(clk, "clk_32k", NULL);
clks[clk_32k] = clk;
/* clk_m_div2 */
clk = clk_register_fixed_factor(NULL, "clk_m_div2", "clk_m",
CLK_SET_RATE_PARENT, 1, 2);
clk_register_clkdev(clk, "clk_m_div2", NULL);
clks[clk_m_div2] = clk;
/* clk_m_div4 */
clk = clk_register_fixed_factor(NULL, "clk_m_div4", "clk_m",
CLK_SET_RATE_PARENT, 1, 4);
clk_register_clkdev(clk, "clk_m_div4", NULL);
clks[clk_m_div4] = clk;
/* cml0 */
clk = clk_register_gate(NULL, "cml0", "pll_e", 0, clk_base + PLLE_AUX,
0, 0, &cml_lock);
clk_register_clkdev(clk, "cml0", NULL);
clks[cml0] = clk;
/* cml1 */
clk = clk_register_gate(NULL, "cml1", "pll_e", 0, clk_base + PLLE_AUX,
1, 0, &cml_lock);
clk_register_clkdev(clk, "cml1", NULL);
clks[cml1] = clk;
/* pciex */
clk = clk_register_fixed_rate(NULL, "pciex", "pll_e", 0, 100000000);
clk_register_clkdev(clk, "pciex", NULL);
clks[pciex] = clk;
}
static void __init tegra30_osc_clk_init(void)
{
struct clk *clk;
unsigned int pll_ref_div;
tegra30_clk_measure_input_freq();
/* clk_m */
clk = clk_register_fixed_rate(NULL, "clk_m", NULL, CLK_IS_ROOT,
input_freq);
clk_register_clkdev(clk, "clk_m", NULL);
clks[clk_m] = clk;
/* pll_ref */
pll_ref_div = tegra30_get_pll_ref_div();
clk = clk_register_fixed_factor(NULL, "pll_ref", "clk_m",
CLK_SET_RATE_PARENT, 1, pll_ref_div);
clk_register_clkdev(clk, "pll_ref", NULL);
clks[pll_ref] = clk;
}
/* Tegra30 CPU clock and reset control functions */
static void tegra30_wait_cpu_in_reset(u32 cpu)
{
unsigned int reg;
do {
reg = readl(clk_base +
TEGRA30_CLK_RST_CONTROLLER_CPU_CMPLX_STATUS);
cpu_relax();
} while (!(reg & (1 << cpu))); /* check CPU been reset or not */
return;
}
static void tegra30_put_cpu_in_reset(u32 cpu)
{
writel(CPU_RESET(cpu),
clk_base + TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_SET);
dmb();
}
static void tegra30_cpu_out_of_reset(u32 cpu)
{
writel(CPU_RESET(cpu),
clk_base + TEGRA_CLK_RST_CONTROLLER_RST_CPU_CMPLX_CLR);
wmb();
}
static void tegra30_enable_cpu_clock(u32 cpu)
{
unsigned int reg;
writel(CPU_CLOCK(cpu),
clk_base + TEGRA30_CLK_RST_CONTROLLER_CLK_CPU_CMPLX_CLR);
reg = readl(clk_base +
TEGRA30_CLK_RST_CONTROLLER_CLK_CPU_CMPLX_CLR);
}
static void tegra30_disable_cpu_clock(u32 cpu)
{
unsigned int reg;
reg = readl(clk_base + TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX);
writel(reg | CPU_CLOCK(cpu),
clk_base + TEGRA_CLK_RST_CONTROLLER_CLK_CPU_CMPLX);
}
#ifdef CONFIG_PM_SLEEP
static bool tegra30_cpu_rail_off_ready(void)
{
unsigned int cpu_rst_status;
int cpu_pwr_status;
cpu_rst_status = readl(clk_base +
TEGRA30_CLK_RST_CONTROLLER_CPU_CMPLX_STATUS);
cpu_pwr_status = tegra_powergate_is_powered(TEGRA_POWERGATE_CPU1) ||
tegra_powergate_is_powered(TEGRA_POWERGATE_CPU2) ||
tegra_powergate_is_powered(TEGRA_POWERGATE_CPU3);
if (((cpu_rst_status & 0xE) != 0xE) || cpu_pwr_status)
return false;
return true;
}
static void tegra30_cpu_clock_suspend(void)
{
/* switch coresite to clk_m, save off original source */
tegra30_cpu_clk_sctx.clk_csite_src =
readl(clk_base + CLK_RESET_SOURCE_CSITE);
writel(3<<30, clk_base + CLK_RESET_SOURCE_CSITE);
tegra30_cpu_clk_sctx.cpu_burst =
readl(clk_base + CLK_RESET_CCLK_BURST);
tegra30_cpu_clk_sctx.pllx_base =
readl(clk_base + CLK_RESET_PLLX_BASE);
tegra30_cpu_clk_sctx.pllx_misc =
readl(clk_base + CLK_RESET_PLLX_MISC);
tegra30_cpu_clk_sctx.cclk_divider =
readl(clk_base + CLK_RESET_CCLK_DIVIDER);
}
static void tegra30_cpu_clock_resume(void)
{
unsigned int reg, policy;
/* Is CPU complex already running on PLLX? */
reg = readl(clk_base + CLK_RESET_CCLK_BURST);
policy = (reg >> CLK_RESET_CCLK_BURST_POLICY_SHIFT) & 0xF;
if (policy == CLK_RESET_CCLK_IDLE_POLICY)
reg = (reg >> CLK_RESET_CCLK_IDLE_POLICY_SHIFT) & 0xF;
else if (policy == CLK_RESET_CCLK_RUN_POLICY)
reg = (reg >> CLK_RESET_CCLK_RUN_POLICY_SHIFT) & 0xF;
else
BUG();
if (reg != CLK_RESET_CCLK_BURST_POLICY_PLLX) {
/* restore PLLX settings if CPU is on different PLL */
writel(tegra30_cpu_clk_sctx.pllx_misc,
clk_base + CLK_RESET_PLLX_MISC);
writel(tegra30_cpu_clk_sctx.pllx_base,
clk_base + CLK_RESET_PLLX_BASE);
/* wait for PLL stabilization if PLLX was enabled */
if (tegra30_cpu_clk_sctx.pllx_base & (1 << 30))
udelay(300);
}
/*
* Restore original burst policy setting for calls resulting from CPU
* LP2 in idle or system suspend.
*/
writel(tegra30_cpu_clk_sctx.cclk_divider,
clk_base + CLK_RESET_CCLK_DIVIDER);
writel(tegra30_cpu_clk_sctx.cpu_burst,
clk_base + CLK_RESET_CCLK_BURST);
writel(tegra30_cpu_clk_sctx.clk_csite_src,
clk_base + CLK_RESET_SOURCE_CSITE);
}
#endif
static struct tegra_cpu_car_ops tegra30_cpu_car_ops = {
.wait_for_reset = tegra30_wait_cpu_in_reset,
.put_in_reset = tegra30_put_cpu_in_reset,
.out_of_reset = tegra30_cpu_out_of_reset,
.enable_clock = tegra30_enable_cpu_clock,
.disable_clock = tegra30_disable_cpu_clock,
#ifdef CONFIG_PM_SLEEP
.rail_off_ready = tegra30_cpu_rail_off_ready,
.suspend = tegra30_cpu_clock_suspend,
.resume = tegra30_cpu_clock_resume,
#endif
};
static __initdata struct tegra_clk_init_table init_table[] = {
clk: tegra: initialise parent of uart clocks Initialise the parent of UARTs to PLLP and disabling clock by default. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-02-12 23:17:59 +08:00
{uarta, pll_p, 408000000, 0},
{uartb, pll_p, 408000000, 0},
{uartc, pll_p, 408000000, 0},
{uartd, pll_p, 408000000, 0},
{uarte, pll_p, 408000000, 0},
clk: tegra: add clock support for Tegra30 Add Tegra30 clock support based on common clock framework. Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com> [swarren: ensure all OF lookups return valid cookies i.e. an explicit error pointer or valid pointer not NULL, adapt to renames in earlier patches, fixed some checkpatch issues.] Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-11 15:46:25 +08:00
{pll_a, clk_max, 564480000, 1},
{pll_a_out0, clk_max, 11289600, 1},
{extern1, pll_a_out0, 0, 1},
{clk_out_1_mux, extern1, 0, 0},
{clk_out_1, clk_max, 0, 1},
{blink, clk_max, 0, 1},
{i2s0, pll_a_out0, 11289600, 0},
{i2s1, pll_a_out0, 11289600, 0},
{i2s2, pll_a_out0, 11289600, 0},
{i2s3, pll_a_out0, 11289600, 0},
{i2s4, pll_a_out0, 11289600, 0},
{sdmmc1, pll_p, 48000000, 0},
{sdmmc2, pll_p, 48000000, 0},
{sdmmc3, pll_p, 48000000, 0},
{pll_m, clk_max, 0, 1},
{pclk, clk_max, 0, 1},
{csite, clk_max, 0, 1},
{emc, clk_max, 0, 1},
{mselect, clk_max, 0, 1},
{sbc1, pll_p, 100000000, 0},
{sbc2, pll_p, 100000000, 0},
{sbc3, pll_p, 100000000, 0},
{sbc4, pll_p, 100000000, 0},
{sbc5, pll_p, 100000000, 0},
{sbc6, pll_p, 100000000, 0},
{host1x, pll_c, 150000000, 0},
{disp1, pll_p, 600000000, 0},
{disp2, pll_p, 600000000, 0},
{twd, clk_max, 0, 1},
{clk_max, clk_max, 0, 0}, /* This MUST be the last entry. */
};
/*
* Some clocks may be used by different drivers depending on the board
* configuration. List those here to register them twice in the clock lookup
* table under two names.
*/
static struct tegra_clk_duplicate tegra_clk_duplicates[] = {
TEGRA_CLK_DUPLICATE(usbd, "utmip-pad", NULL),
TEGRA_CLK_DUPLICATE(usbd, "tegra-ehci.0", NULL),
TEGRA_CLK_DUPLICATE(usbd, "tegra-otg", NULL),
TEGRA_CLK_DUPLICATE(bsev, "tegra-avp", "bsev"),
TEGRA_CLK_DUPLICATE(bsev, "nvavp", "bsev"),
TEGRA_CLK_DUPLICATE(vde, "tegra-aes", "vde"),
TEGRA_CLK_DUPLICATE(bsea, "tegra-aes", "bsea"),
TEGRA_CLK_DUPLICATE(bsea, "nvavp", "bsea"),
TEGRA_CLK_DUPLICATE(cml1, "tegra_sata_cml", NULL),
TEGRA_CLK_DUPLICATE(cml0, "tegra_pcie", "cml"),
TEGRA_CLK_DUPLICATE(pciex, "tegra_pcie", "pciex"),
TEGRA_CLK_DUPLICATE(vcp, "nvavp", "vcp"),
TEGRA_CLK_DUPLICATE(clk_max, NULL, NULL), /* MUST be the last entry */
};
static const struct of_device_id pmc_match[] __initconst = {
{ .compatible = "nvidia,tegra30-pmc" },
{},
};
void __init tegra30_clock_init(struct device_node *np)
{
struct device_node *node;
int i;
clk_base = of_iomap(np, 0);
if (!clk_base) {
pr_err("ioremap tegra30 CAR failed\n");
return;
}
node = of_find_matching_node(NULL, pmc_match);
if (!node) {
pr_err("Failed to find pmc node\n");
BUG();
}
pmc_base = of_iomap(node, 0);
if (!pmc_base) {
pr_err("Can't map pmc registers\n");
BUG();
}
tegra30_osc_clk_init();
tegra30_fixed_clk_init();
tegra30_pll_init();
tegra30_super_clk_init();
tegra30_periph_clk_init();
tegra30_audio_clk_init();
tegra30_pmc_clk_init();
for (i = 0; i < ARRAY_SIZE(clks); i++) {
if (IS_ERR(clks[i])) {
pr_err("Tegra30 clk %d: register failed with %ld\n",
i, PTR_ERR(clks[i]));
BUG();
}
if (!clks[i])
clks[i] = ERR_PTR(-EINVAL);
}
tegra_init_dup_clks(tegra_clk_duplicates, clks, clk_max);
clk_data.clks = clks;
clk_data.clk_num = ARRAY_SIZE(clks);
of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
tegra_init_from_table(init_table, clks, clk_max);
tegra_cpu_car_ops = &tegra30_cpu_car_ops;
}
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