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linux/drivers/clk/mediatek/clk-mt6765.c
Jiasheng Jiang b826810427 clk: mediatek: clk-mt6765: Add check for mtk_alloc_clk_data 
Add the check for the return value of mtk_alloc_clk_data() in order to
avoid NULL pointer dereference.

Fixes: 1aca9939bf ("clk: mediatek: Add MT6765 clock support")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20230912093407.21505-1-jiasheng@iscas.ac.cn
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2023-10-18 18:15:10 -07:00

877 lines
28 KiB
C
Raw Blame History

// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2018 MediaTek Inc.
* Author: Owen Chen <owen.chen@mediatek.com>
*/
#include <linux/clk-provider.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/slab.h>
#include <linux/mfd/syscon.h>
#include <linux/mod_devicetable.h>
#include <linux/platform_device.h>
#include "clk-gate.h"
#include "clk-mtk.h"
#include "clk-mux.h"
#include "clk-pll.h"
#include <dt-bindings/clock/mt6765-clk.h>
/*fmeter div select 4*/
#define _DIV4_ 1
static DEFINE_SPINLOCK(mt6765_clk_lock);
/* Total 12 subsys */
static void __iomem *cksys_base;
static void __iomem *apmixed_base;
/* CKSYS */
#define CLK_SCP_CFG_0 (cksys_base + 0x200)
#define CLK_SCP_CFG_1 (cksys_base + 0x204)
/* CG */
#define AP_PLL_CON3 (apmixed_base + 0x0C)
#define PLLON_CON0 (apmixed_base + 0x44)
#define PLLON_CON1 (apmixed_base + 0x48)
/* clk cfg update */
#define CLK_CFG_0 0x40
#define CLK_CFG_0_SET 0x44
#define CLK_CFG_0_CLR 0x48
#define CLK_CFG_1 0x50
#define CLK_CFG_1_SET 0x54
#define CLK_CFG_1_CLR 0x58
#define CLK_CFG_2 0x60
#define CLK_CFG_2_SET 0x64
#define CLK_CFG_2_CLR 0x68
#define CLK_CFG_3 0x70
#define CLK_CFG_3_SET 0x74
#define CLK_CFG_3_CLR 0x78
#define CLK_CFG_4 0x80
#define CLK_CFG_4_SET 0x84
#define CLK_CFG_4_CLR 0x88
#define CLK_CFG_5 0x90
#define CLK_CFG_5_SET 0x94
#define CLK_CFG_5_CLR 0x98
#define CLK_CFG_6 0xa0
#define CLK_CFG_6_SET 0xa4
#define CLK_CFG_6_CLR 0xa8
#define CLK_CFG_7 0xb0
#define CLK_CFG_7_SET 0xb4
#define CLK_CFG_7_CLR 0xb8
#define CLK_CFG_8 0xc0
#define CLK_CFG_8_SET 0xc4
#define CLK_CFG_8_CLR 0xc8
#define CLK_CFG_9 0xd0
#define CLK_CFG_9_SET 0xd4
#define CLK_CFG_9_CLR 0xd8
#define CLK_CFG_10 0xe0
#define CLK_CFG_10_SET 0xe4
#define CLK_CFG_10_CLR 0xe8
#define CLK_CFG_UPDATE 0x004
static const struct mtk_fixed_clk fixed_clks[] = {
FIXED_CLK(CLK_TOP_F_FRTC, "f_frtc_ck", "clk32k", 32768),
FIXED_CLK(CLK_TOP_CLK26M, "clk_26m_ck", "clk26m", 26000000),
FIXED_CLK(CLK_TOP_DMPLL, "dmpll_ck", NULL, 466000000),
};
static const struct mtk_fixed_factor top_divs[] = {
FACTOR(CLK_TOP_SYSPLL, "syspll_ck", "mainpll", 1, 1),
FACTOR(CLK_TOP_SYSPLL_D2, "syspll_d2", "mainpll", 1, 2),
FACTOR(CLK_TOP_SYSPLL1_D2, "syspll1_d2", "syspll_d2", 1, 2),
FACTOR(CLK_TOP_SYSPLL1_D4, "syspll1_d4", "syspll_d2", 1, 4),
FACTOR(CLK_TOP_SYSPLL1_D8, "syspll1_d8", "syspll_d2", 1, 8),
FACTOR(CLK_TOP_SYSPLL1_D16, "syspll1_d16", "syspll_d2", 1, 16),
FACTOR(CLK_TOP_SYSPLL_D3, "syspll_d3", "mainpll", 1, 3),
FACTOR(CLK_TOP_SYSPLL2_D2, "syspll2_d2", "syspll_d3", 1, 2),
FACTOR(CLK_TOP_SYSPLL2_D4, "syspll2_d4", "syspll_d3", 1, 4),
FACTOR(CLK_TOP_SYSPLL2_D8, "syspll2_d8", "syspll_d3", 1, 8),
FACTOR(CLK_TOP_SYSPLL_D5, "syspll_d5", "mainpll", 1, 5),
FACTOR(CLK_TOP_SYSPLL3_D2, "syspll3_d2", "syspll_d5", 1, 2),
FACTOR(CLK_TOP_SYSPLL3_D4, "syspll3_d4", "syspll_d5", 1, 4),
FACTOR(CLK_TOP_SYSPLL_D7, "syspll_d7", "mainpll", 1, 7),
FACTOR(CLK_TOP_SYSPLL4_D2, "syspll4_d2", "syspll_d7", 1, 2),
FACTOR(CLK_TOP_SYSPLL4_D4, "syspll4_d4", "syspll_d7", 1, 4),
FACTOR(CLK_TOP_UNIVPLL, "univpll", "univ2pll", 1, 2),
FACTOR(CLK_TOP_USB20_192M, "usb20_192m_ck", "univpll", 2, 13),
FACTOR(CLK_TOP_USB20_192M_D4, "usb20_192m_d4", "usb20_192m_ck", 1, 4),
FACTOR(CLK_TOP_USB20_192M_D8, "usb20_192m_d8", "usb20_192m_ck", 1, 8),
FACTOR(CLK_TOP_USB20_192M_D16,
"usb20_192m_d16", "usb20_192m_ck", 1, 16),
FACTOR(CLK_TOP_USB20_192M_D32,
"usb20_192m_d32", "usb20_192m_ck", 1, 32),
FACTOR(CLK_TOP_UNIVPLL_D2, "univpll_d2", "univpll", 1, 2),
FACTOR(CLK_TOP_UNIVPLL1_D2, "univpll1_d2", "univpll_d2", 1, 2),
FACTOR(CLK_TOP_UNIVPLL1_D4, "univpll1_d4", "univpll_d2", 1, 4),
FACTOR(CLK_TOP_UNIVPLL_D3, "univpll_d3", "univpll", 1, 3),
FACTOR(CLK_TOP_UNIVPLL2_D2, "univpll2_d2", "univpll_d3", 1, 2),
FACTOR(CLK_TOP_UNIVPLL2_D4, "univpll2_d4", "univpll_d3", 1, 4),
FACTOR(CLK_TOP_UNIVPLL2_D8, "univpll2_d8", "univpll_d3", 1, 8),
FACTOR(CLK_TOP_UNIVPLL2_D32, "univpll2_d32", "univpll_d3", 1, 32),
FACTOR(CLK_TOP_UNIVPLL_D5, "univpll_d5", "univpll", 1, 5),
FACTOR(CLK_TOP_UNIVPLL3_D2, "univpll3_d2", "univpll_d5", 1, 2),
FACTOR(CLK_TOP_UNIVPLL3_D4, "univpll3_d4", "univpll_d5", 1, 4),
FACTOR(CLK_TOP_MMPLL, "mmpll_ck", "mmpll", 1, 1),
FACTOR(CLK_TOP_MMPLL_D2, "mmpll_d2", "mmpll_ck", 1, 2),
FACTOR(CLK_TOP_MPLL, "mpll_ck", "mpll", 1, 1),
FACTOR(CLK_TOP_DA_MPLL_104M_DIV, "mpll_104m_div", "mpll_ck", 1, 2),
FACTOR(CLK_TOP_DA_MPLL_52M_DIV, "mpll_52m_div", "mpll_ck", 1, 4),
FACTOR(CLK_TOP_MFGPLL, "mfgpll_ck", "mfgpll", 1, 1),
FACTOR(CLK_TOP_MSDCPLL, "msdcpll_ck", "msdcpll", 1, 1),
FACTOR(CLK_TOP_MSDCPLL_D2, "msdcpll_d2", "msdcpll_ck", 1, 2),
FACTOR(CLK_TOP_APLL1, "apll1_ck", "apll1", 1, 1),
FACTOR(CLK_TOP_APLL1_D2, "apll1_d2", "apll1_ck", 1, 2),
FACTOR(CLK_TOP_APLL1_D4, "apll1_d4", "apll1_ck", 1, 4),
FACTOR(CLK_TOP_APLL1_D8, "apll1_d8", "apll1_ck", 1, 8),
FACTOR(CLK_TOP_ULPOSC1, "ulposc1_ck", "ulposc1", 1, 1),
FACTOR(CLK_TOP_ULPOSC1_D2, "ulposc1_d2", "ulposc1_ck", 1, 2),
FACTOR(CLK_TOP_ULPOSC1_D4, "ulposc1_d4", "ulposc1_ck", 1, 4),
FACTOR(CLK_TOP_ULPOSC1_D8, "ulposc1_d8", "ulposc1_ck", 1, 8),
FACTOR(CLK_TOP_ULPOSC1_D16, "ulposc1_d16", "ulposc1_ck", 1, 16),
FACTOR(CLK_TOP_ULPOSC1_D32, "ulposc1_d32", "ulposc1_ck", 1, 32),
FACTOR(CLK_TOP_F_F26M, "f_f26m_ck", "clk_26m_ck", 1, 1),
FACTOR(CLK_TOP_AXI, "axi_ck", "axi_sel", 1, 1),
FACTOR(CLK_TOP_MM, "mm_ck", "mm_sel", 1, 1),
FACTOR(CLK_TOP_SCP, "scp_ck", "scp_sel", 1, 1),
FACTOR(CLK_TOP_MFG, "mfg_ck", "mfg_sel", 1, 1),
FACTOR(CLK_TOP_F_FUART, "f_fuart_ck", "uart_sel", 1, 1),
FACTOR(CLK_TOP_SPI, "spi_ck", "spi_sel", 1, 1),
FACTOR(CLK_TOP_MSDC50_0, "msdc50_0_ck", "msdc50_0_sel", 1, 1),
FACTOR(CLK_TOP_MSDC30_1, "msdc30_1_ck", "msdc30_1_sel", 1, 1),
FACTOR(CLK_TOP_AUDIO, "audio_ck", "audio_sel", 1, 1),
FACTOR(CLK_TOP_AUD_1, "aud_1_ck", "aud_1_sel", 1, 1),
FACTOR(CLK_TOP_AUD_ENGEN1, "aud_engen1_ck", "aud_engen1_sel", 1, 1),
FACTOR(CLK_TOP_F_FDISP_PWM, "f_fdisp_pwm_ck", "disp_pwm_sel", 1, 1),
FACTOR(CLK_TOP_SSPM, "sspm_ck", "sspm_sel", 1, 1),
FACTOR(CLK_TOP_DXCC, "dxcc_ck", "dxcc_sel", 1, 1),
FACTOR(CLK_TOP_I2C, "i2c_ck", "i2c_sel", 1, 1),
FACTOR(CLK_TOP_F_FPWM, "f_fpwm_ck", "pwm_sel", 1, 1),
FACTOR(CLK_TOP_F_FSENINF, "f_fseninf_ck", "seninf_sel", 1, 1),
FACTOR(CLK_TOP_AES_FDE, "aes_fde_ck", "aes_fde_sel", 1, 1),
FACTOR(CLK_TOP_F_BIST2FPC, "f_bist2fpc_ck", "univpll2_d2", 1, 1),
FACTOR(CLK_TOP_ARMPLL_DIVIDER_PLL0, "arm_div_pll0", "syspll_d2", 1, 1),
FACTOR(CLK_TOP_ARMPLL_DIVIDER_PLL1, "arm_div_pll1", "syspll_ck", 1, 1),
FACTOR(CLK_TOP_ARMPLL_DIVIDER_PLL2, "arm_div_pll2", "univpll_d2", 1, 1),
FACTOR(CLK_TOP_DA_USB20_48M_DIV,
"usb20_48m_div", "usb20_192m_d4", 1, 1),
FACTOR(CLK_TOP_DA_UNIV_48M_DIV, "univ_48m_div", "usb20_192m_d4", 1, 1),
};
static const char * const axi_parents[] = {
"clk26m",
"syspll_d7",
"syspll1_d4",
"syspll3_d2"
};
static const char * const mem_parents[] = {
"clk26m",
"dmpll_ck",
"apll1_ck"
};
static const char * const mm_parents[] = {
"clk26m",
"mmpll_ck",
"syspll1_d2",
"syspll_d5",
"syspll1_d4",
"univpll_d5",
"univpll1_d2",
"mmpll_d2"
};
static const char * const scp_parents[] = {
"clk26m",
"syspll4_d2",
"univpll2_d2",
"syspll1_d2",
"univpll1_d2",
"syspll_d3",
"univpll_d3"
};
static const char * const mfg_parents[] = {
"clk26m",
"mfgpll_ck",
"syspll_d3",
"univpll_d3"
};
static const char * const atb_parents[] = {
"clk26m",
"syspll1_d4",
"syspll1_d2"
};
static const char * const camtg_parents[] = {
"clk26m",
"usb20_192m_d8",
"univpll2_d8",
"usb20_192m_d4",
"univpll2_d32",
"usb20_192m_d16",
"usb20_192m_d32"
};
static const char * const uart_parents[] = {
"clk26m",
"univpll2_d8"
};
static const char * const spi_parents[] = {
"clk26m",
"syspll3_d2",
"syspll4_d2",
"syspll2_d4"
};
static const char * const msdc5hclk_parents[] = {
"clk26m",
"syspll1_d2",
"univpll1_d4",
"syspll2_d2"
};
static const char * const msdc50_0_parents[] = {
"clk26m",
"msdcpll_ck",
"syspll2_d2",
"syspll4_d2",
"univpll1_d2",
"syspll1_d2",
"univpll_d5",
"univpll1_d4"
};
static const char * const msdc30_1_parents[] = {
"clk26m",
"msdcpll_d2",
"univpll2_d2",
"syspll2_d2",
"syspll1_d4",
"univpll1_d4",
"usb20_192m_d4",
"syspll2_d4"
};
static const char * const audio_parents[] = {
"clk26m",
"syspll3_d4",
"syspll4_d4",
"syspll1_d16"
};
static const char * const aud_intbus_parents[] = {
"clk26m",
"syspll1_d4",
"syspll4_d2"
};
static const char * const aud_1_parents[] = {
"clk26m",
"apll1_ck"
};
static const char * const aud_engen1_parents[] = {
"clk26m",
"apll1_d2",
"apll1_d4",
"apll1_d8"
};
static const char * const disp_pwm_parents[] = {
"clk26m",
"univpll2_d4",
"ulposc1_d2",
"ulposc1_d8"
};
static const char * const sspm_parents[] = {
"clk26m",
"syspll1_d2",
"syspll_d3"
};
static const char * const dxcc_parents[] = {
"clk26m",
"syspll1_d2",
"syspll1_d4",
"syspll1_d8"
};
static const char * const usb_top_parents[] = {
"clk26m",
"univpll3_d4"
};
static const char * const spm_parents[] = {
"clk26m",
"syspll1_d8"
};
static const char * const i2c_parents[] = {
"clk26m",
"univpll3_d4",
"univpll3_d2",
"syspll1_d8",
"syspll2_d8"
};
static const char * const pwm_parents[] = {
"clk26m",
"univpll3_d4",
"syspll1_d8"
};
static const char * const seninf_parents[] = {
"clk26m",
"univpll1_d4",
"univpll1_d2",
"univpll2_d2"
};
static const char * const aes_fde_parents[] = {
"clk26m",
"msdcpll_ck",
"univpll_d3",
"univpll2_d2",
"univpll1_d2",
"syspll1_d2"
};
static const char * const ulposc_parents[] = {
"clk26m",
"ulposc1_d4",
"ulposc1_d8",
"ulposc1_d16",
"ulposc1_d32"
};
static const char * const camtm_parents[] = {
"clk26m",
"univpll1_d4",
"univpll1_d2",
"univpll2_d2"
};
#define INVALID_UPDATE_REG 0xFFFFFFFF
#define INVALID_UPDATE_SHIFT -1
#define INVALID_MUX_GATE -1
static const struct mtk_mux top_muxes[] = {
/* CLK_CFG_0 */
MUX_GATE_CLR_SET_UPD_FLAGS(CLK_TOP_AXI_SEL, "axi_sel", axi_parents,
CLK_CFG_0, CLK_CFG_0_SET, CLK_CFG_0_CLR,
0, 2, 7, CLK_CFG_UPDATE, 0,
CLK_IS_CRITICAL | CLK_SET_RATE_PARENT),
MUX_GATE_CLR_SET_UPD_FLAGS(CLK_TOP_MEM_SEL, "mem_sel", mem_parents,
CLK_CFG_0, CLK_CFG_0_SET, CLK_CFG_0_CLR,
8, 2, 15, CLK_CFG_UPDATE, 1,
CLK_IS_CRITICAL | CLK_SET_RATE_PARENT),
MUX_GATE_CLR_SET_UPD(CLK_TOP_MM_SEL, "mm_sel", mm_parents, CLK_CFG_0,
CLK_CFG_0_SET, CLK_CFG_0_CLR, 16, 3, 23,
CLK_CFG_UPDATE, 2),
MUX_GATE_CLR_SET_UPD(CLK_TOP_SCP_SEL, "scp_sel", scp_parents, CLK_CFG_0,
CLK_CFG_0_SET, CLK_CFG_0_CLR, 24, 3, 31,
CLK_CFG_UPDATE, 3),
/* CLK_CFG_1 */
MUX_GATE_CLR_SET_UPD(CLK_TOP_MFG_SEL, "mfg_sel", mfg_parents, CLK_CFG_1,
CLK_CFG_1_SET, CLK_CFG_1_CLR, 0, 2, 7,
CLK_CFG_UPDATE, 4),
MUX_GATE_CLR_SET_UPD(CLK_TOP_ATB_SEL, "atb_sel", atb_parents, CLK_CFG_1,
CLK_CFG_1_SET, CLK_CFG_1_CLR, 8, 2, 15,
CLK_CFG_UPDATE, 5),
MUX_GATE_CLR_SET_UPD(CLK_TOP_CAMTG_SEL, "camtg_sel",
camtg_parents, CLK_CFG_1, CLK_CFG_1_SET,
CLK_CFG_1_CLR, 16, 3, 23, CLK_CFG_UPDATE, 6),
MUX_GATE_CLR_SET_UPD(CLK_TOP_CAMTG1_SEL, "camtg1_sel", camtg_parents,
CLK_CFG_1, CLK_CFG_1_SET, CLK_CFG_1_CLR,
24, 3, 31, CLK_CFG_UPDATE, 7),
/* CLK_CFG_2 */
MUX_GATE_CLR_SET_UPD(CLK_TOP_CAMTG2_SEL, "camtg2_sel",
camtg_parents, CLK_CFG_2, CLK_CFG_2_SET,
CLK_CFG_2_CLR, 0, 3, 7, CLK_CFG_UPDATE, 8),
MUX_GATE_CLR_SET_UPD(CLK_TOP_CAMTG3_SEL, "camtg3_sel", camtg_parents,
CLK_CFG_2, CLK_CFG_2_SET, CLK_CFG_2_CLR,
8, 3, 15, CLK_CFG_UPDATE, 9),
MUX_GATE_CLR_SET_UPD(CLK_TOP_UART_SEL, "uart_sel", uart_parents,
CLK_CFG_2, CLK_CFG_2_SET, CLK_CFG_2_CLR, 16, 1, 23,
CLK_CFG_UPDATE, 10),
MUX_GATE_CLR_SET_UPD(CLK_TOP_SPI_SEL, "spi_sel", spi_parents, CLK_CFG_2,
CLK_CFG_2_SET, CLK_CFG_2_CLR, 24, 2, 31,
CLK_CFG_UPDATE, 11),
/* CLK_CFG_3 */
MUX_GATE_CLR_SET_UPD_FLAGS(CLK_TOP_MSDC50_0_HCLK_SEL, "msdc5hclk",
msdc5hclk_parents, CLK_CFG_3, CLK_CFG_3_SET,
CLK_CFG_3_CLR, 0, 2, 7, CLK_CFG_UPDATE, 12, 0),
MUX_GATE_CLR_SET_UPD_FLAGS(CLK_TOP_MSDC50_0_SEL, "msdc50_0_sel",
msdc50_0_parents, CLK_CFG_3, CLK_CFG_3_SET,
CLK_CFG_3_CLR, 8, 3, 15, CLK_CFG_UPDATE, 13, 0),
MUX_GATE_CLR_SET_UPD_FLAGS(CLK_TOP_MSDC30_1_SEL, "msdc30_1_sel",
msdc30_1_parents, CLK_CFG_3, CLK_CFG_3_SET,
CLK_CFG_3_CLR, 16, 3, 23, CLK_CFG_UPDATE, 14, 0),
MUX_GATE_CLR_SET_UPD(CLK_TOP_AUDIO_SEL, "audio_sel", audio_parents,
CLK_CFG_3, CLK_CFG_3_SET, CLK_CFG_3_CLR,
24, 2, 31, CLK_CFG_UPDATE, 15),
/* CLK_CFG_4 */
MUX_GATE_CLR_SET_UPD(CLK_TOP_AUD_INTBUS_SEL, "aud_intbus_sel",
aud_intbus_parents, CLK_CFG_4, CLK_CFG_4_SET,
CLK_CFG_4_CLR, 0, 2, 7, CLK_CFG_UPDATE, 16),
MUX_GATE_CLR_SET_UPD(CLK_TOP_AUD_1_SEL, "aud_1_sel", aud_1_parents,
CLK_CFG_4, CLK_CFG_4_SET, CLK_CFG_4_CLR,
8, 1, 15, CLK_CFG_UPDATE, 17),
MUX_GATE_CLR_SET_UPD(CLK_TOP_AUD_ENGEN1_SEL, "aud_engen1_sel",
aud_engen1_parents, CLK_CFG_4, CLK_CFG_4_SET,
CLK_CFG_4_CLR, 16, 2, 23, CLK_CFG_UPDATE, 18),
MUX_GATE_CLR_SET_UPD(CLK_TOP_DISP_PWM_SEL, "disp_pwm_sel",
disp_pwm_parents, CLK_CFG_4, CLK_CFG_4_SET,
CLK_CFG_4_CLR, 24, 2, 31, CLK_CFG_UPDATE, 19),
/* CLK_CFG_5 */
MUX_GATE_CLR_SET_UPD(CLK_TOP_SSPM_SEL, "sspm_sel", sspm_parents,
CLK_CFG_5, CLK_CFG_5_SET, CLK_CFG_5_CLR, 0, 2, 7,
CLK_CFG_UPDATE, 20),
MUX_GATE_CLR_SET_UPD(CLK_TOP_DXCC_SEL, "dxcc_sel", dxcc_parents,
CLK_CFG_5, CLK_CFG_5_SET, CLK_CFG_5_CLR, 8, 2, 15,
CLK_CFG_UPDATE, 21),
MUX_GATE_CLR_SET_UPD(CLK_TOP_USB_TOP_SEL, "usb_top_sel",
usb_top_parents, CLK_CFG_5, CLK_CFG_5_SET,
CLK_CFG_5_CLR, 16, 1, 23, CLK_CFG_UPDATE, 22),
MUX_GATE_CLR_SET_UPD(CLK_TOP_SPM_SEL, "spm_sel", spm_parents, CLK_CFG_5,
CLK_CFG_5_SET, CLK_CFG_5_CLR, 24, 1, 31,
CLK_CFG_UPDATE, 23),
/* CLK_CFG_6 */
MUX_GATE_CLR_SET_UPD(CLK_TOP_I2C_SEL, "i2c_sel", i2c_parents, CLK_CFG_6,
CLK_CFG_6_SET, CLK_CFG_6_CLR, 0, 3, 7, CLK_CFG_UPDATE,
24),
MUX_GATE_CLR_SET_UPD(CLK_TOP_PWM_SEL, "pwm_sel", pwm_parents, CLK_CFG_6,
CLK_CFG_6_SET, CLK_CFG_6_CLR, 8, 2, 15, CLK_CFG_UPDATE,
25),
MUX_GATE_CLR_SET_UPD(CLK_TOP_SENINF_SEL, "seninf_sel", seninf_parents,
CLK_CFG_6, CLK_CFG_6_SET, CLK_CFG_6_CLR, 16, 2, 23,
CLK_CFG_UPDATE, 26),
MUX_GATE_CLR_SET_UPD(CLK_TOP_AES_FDE_SEL, "aes_fde_sel",
aes_fde_parents, CLK_CFG_6, CLK_CFG_6_SET,
CLK_CFG_6_CLR, 24, 3, 31, CLK_CFG_UPDATE, 27),
/* CLK_CFG_7 */
MUX_GATE_CLR_SET_UPD_FLAGS(CLK_TOP_PWRAP_ULPOSC_SEL, "ulposc_sel",
ulposc_parents, CLK_CFG_7, CLK_CFG_7_SET,
CLK_CFG_7_CLR, 0, 3, 7, CLK_CFG_UPDATE, 28,
CLK_IS_CRITICAL | CLK_SET_RATE_PARENT),
MUX_GATE_CLR_SET_UPD(CLK_TOP_CAMTM_SEL, "camtm_sel", camtm_parents,
CLK_CFG_7, CLK_CFG_7_SET, CLK_CFG_7_CLR, 8, 2, 15,
CLK_CFG_UPDATE, 29),
};
static const struct mtk_gate_regs top0_cg_regs = {
.set_ofs = 0x0,
.clr_ofs = 0x0,
.sta_ofs = 0x0,
};
static const struct mtk_gate_regs top1_cg_regs = {
.set_ofs = 0x104,
.clr_ofs = 0x104,
.sta_ofs = 0x104,
};
static const struct mtk_gate_regs top2_cg_regs = {
.set_ofs = 0x320,
.clr_ofs = 0x320,
.sta_ofs = 0x320,
};
#define GATE_TOP0(_id, _name, _parent, _shift) \
GATE_MTK(_id, _name, _parent, &top0_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr)
#define GATE_TOP1(_id, _name, _parent, _shift) \
GATE_MTK(_id, _name, _parent, &top1_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr_inv)
#define GATE_TOP2(_id, _name, _parent, _shift) \
GATE_MTK(_id, _name, _parent, &top2_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr)
static const struct mtk_gate top_clks[] = {
/* TOP0 */
GATE_TOP0(CLK_TOP_MD_32K, "md_32k", "f_frtc_ck", 8),
GATE_TOP0(CLK_TOP_MD_26M, "md_26m", "f_f26m_ck", 9),
GATE_TOP0(CLK_TOP_MD2_32K, "md2_32k", "f_frtc_ck", 10),
GATE_TOP0(CLK_TOP_MD2_26M, "md2_26m", "f_f26m_ck", 11),
/* TOP1 */
GATE_TOP1(CLK_TOP_ARMPLL_DIVIDER_PLL0_EN,
"arm_div_pll0_en", "arm_div_pll0", 3),
GATE_TOP1(CLK_TOP_ARMPLL_DIVIDER_PLL1_EN,
"arm_div_pll1_en", "arm_div_pll1", 4),
GATE_TOP1(CLK_TOP_ARMPLL_DIVIDER_PLL2_EN,
"arm_div_pll2_en", "arm_div_pll2", 5),
GATE_TOP1(CLK_TOP_FMEM_OCC_DRC_EN, "drc_en", "univpll2_d2", 6),
GATE_TOP1(CLK_TOP_USB20_48M_EN, "usb20_48m_en", "usb20_48m_div", 8),
GATE_TOP1(CLK_TOP_UNIVPLL_48M_EN, "univpll_48m_en", "univ_48m_div", 9),
GATE_TOP1(CLK_TOP_F_UFS_MP_SAP_CFG_EN, "ufs_sap", "f_f26m_ck", 12),
GATE_TOP1(CLK_TOP_F_BIST2FPC_EN, "bist2fpc", "f_bist2fpc_ck", 16),
/* TOP2 */
GATE_TOP2(CLK_TOP_APLL12_DIV0, "apll12_div0", "aud_1_ck", 2),
GATE_TOP2(CLK_TOP_APLL12_DIV1, "apll12_div1", "aud_1_ck", 3),
GATE_TOP2(CLK_TOP_APLL12_DIV2, "apll12_div2", "aud_1_ck", 4),
GATE_TOP2(CLK_TOP_APLL12_DIV3, "apll12_div3", "aud_1_ck", 5),
};
static const struct mtk_gate_regs ifr2_cg_regs = {
.set_ofs = 0x80,
.clr_ofs = 0x84,
.sta_ofs = 0x90,
};
static const struct mtk_gate_regs ifr3_cg_regs = {
.set_ofs = 0x88,
.clr_ofs = 0x8c,
.sta_ofs = 0x94,
};
static const struct mtk_gate_regs ifr4_cg_regs = {
.set_ofs = 0xa4,
.clr_ofs = 0xa8,
.sta_ofs = 0xac,
};
static const struct mtk_gate_regs ifr5_cg_regs = {
.set_ofs = 0xc0,
.clr_ofs = 0xc4,
.sta_ofs = 0xc8,
};
#define GATE_IFR2(_id, _name, _parent, _shift) \
GATE_MTK(_id, _name, _parent, &ifr2_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
#define GATE_IFR3(_id, _name, _parent, _shift) \
GATE_MTK(_id, _name, _parent, &ifr3_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
#define GATE_IFR4(_id, _name, _parent, _shift) \
GATE_MTK(_id, _name, _parent, &ifr4_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
#define GATE_IFR5(_id, _name, _parent, _shift) \
GATE_MTK(_id, _name, _parent, &ifr5_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
static const struct mtk_gate ifr_clks[] = {
/* INFRA_TOPAXI */
/* INFRA PERI */
/* INFRA mode 0 */
GATE_IFR2(CLK_IFR_ICUSB, "ifr_icusb", "axi_ck", 8),
GATE_IFR2(CLK_IFR_GCE, "ifr_gce", "axi_ck", 9),
GATE_IFR2(CLK_IFR_THERM, "ifr_therm", "axi_ck", 10),
GATE_IFR2(CLK_IFR_I2C_AP, "ifr_i2c_ap", "i2c_ck", 11),
GATE_IFR2(CLK_IFR_I2C_CCU, "ifr_i2c_ccu", "i2c_ck", 12),
GATE_IFR2(CLK_IFR_I2C_SSPM, "ifr_i2c_sspm", "i2c_ck", 13),
GATE_IFR2(CLK_IFR_I2C_RSV, "ifr_i2c_rsv", "i2c_ck", 14),
GATE_IFR2(CLK_IFR_PWM_HCLK, "ifr_pwm_hclk", "axi_ck", 15),
GATE_IFR2(CLK_IFR_PWM1, "ifr_pwm1", "f_fpwm_ck", 16),
GATE_IFR2(CLK_IFR_PWM2, "ifr_pwm2", "f_fpwm_ck", 17),
GATE_IFR2(CLK_IFR_PWM3, "ifr_pwm3", "f_fpwm_ck", 18),
GATE_IFR2(CLK_IFR_PWM4, "ifr_pwm4", "f_fpwm_ck", 19),
GATE_IFR2(CLK_IFR_PWM5, "ifr_pwm5", "f_fpwm_ck", 20),
GATE_IFR2(CLK_IFR_PWM, "ifr_pwm", "f_fpwm_ck", 21),
GATE_IFR2(CLK_IFR_UART0, "ifr_uart0", "f_fuart_ck", 22),
GATE_IFR2(CLK_IFR_UART1, "ifr_uart1", "f_fuart_ck", 23),
GATE_IFR2(CLK_IFR_GCE_26M, "ifr_gce_26m", "f_f26m_ck", 27),
GATE_IFR2(CLK_IFR_CQ_DMA_FPC, "ifr_dma", "axi_ck", 28),
GATE_IFR2(CLK_IFR_BTIF, "ifr_btif", "axi_ck", 31),
/* INFRA mode 1 */
GATE_IFR3(CLK_IFR_SPI0, "ifr_spi0", "spi_ck", 1),
GATE_IFR3(CLK_IFR_MSDC0, "ifr_msdc0", "msdc5hclk", 2),
GATE_IFR3(CLK_IFR_MSDC1, "ifr_msdc1", "axi_ck", 4),
GATE_IFR3(CLK_IFR_TRNG, "ifr_trng", "axi_ck", 9),
GATE_IFR3(CLK_IFR_AUXADC, "ifr_auxadc", "f_f26m_ck", 10),
GATE_IFR3(CLK_IFR_CCIF1_AP, "ifr_ccif1_ap", "axi_ck", 12),
GATE_IFR3(CLK_IFR_CCIF1_MD, "ifr_ccif1_md", "axi_ck", 13),
GATE_IFR3(CLK_IFR_AUXADC_MD, "ifr_auxadc_md", "f_f26m_ck", 14),
GATE_IFR3(CLK_IFR_AP_DMA, "ifr_ap_dma", "axi_ck", 18),
GATE_IFR3(CLK_IFR_DEVICE_APC, "ifr_dapc", "axi_ck", 20),
GATE_IFR3(CLK_IFR_CCIF_AP, "ifr_ccif_ap", "axi_ck", 23),
GATE_IFR3(CLK_IFR_AUDIO, "ifr_audio", "axi_ck", 25),
GATE_IFR3(CLK_IFR_CCIF_MD, "ifr_ccif_md", "axi_ck", 26),
/* INFRA mode 2 */
GATE_IFR4(CLK_IFR_RG_PWM_FBCLK6, "ifr_pwmfb", "f_f26m_ck", 0),
GATE_IFR4(CLK_IFR_DISP_PWM, "ifr_disp_pwm", "f_fdisp_pwm_ck", 2),
GATE_IFR4(CLK_IFR_CLDMA_BCLK, "ifr_cldmabclk", "axi_ck", 3),
GATE_IFR4(CLK_IFR_AUDIO_26M_BCLK, "ifr_audio26m", "f_f26m_ck", 4),
GATE_IFR4(CLK_IFR_SPI1, "ifr_spi1", "spi_ck", 6),
GATE_IFR4(CLK_IFR_I2C4, "ifr_i2c4", "i2c_ck", 7),
GATE_IFR4(CLK_IFR_SPI2, "ifr_spi2", "spi_ck", 9),
GATE_IFR4(CLK_IFR_SPI3, "ifr_spi3", "spi_ck", 10),
GATE_IFR4(CLK_IFR_I2C5, "ifr_i2c5", "i2c_ck", 18),
GATE_IFR4(CLK_IFR_I2C5_ARBITER, "ifr_i2c5a", "i2c_ck", 19),
GATE_IFR4(CLK_IFR_I2C5_IMM, "ifr_i2c5_imm", "i2c_ck", 20),
GATE_IFR4(CLK_IFR_I2C1_ARBITER, "ifr_i2c1a", "i2c_ck", 21),
GATE_IFR4(CLK_IFR_I2C1_IMM, "ifr_i2c1_imm", "i2c_ck", 22),
GATE_IFR4(CLK_IFR_I2C2_ARBITER, "ifr_i2c2a", "i2c_ck", 23),
GATE_IFR4(CLK_IFR_I2C2_IMM, "ifr_i2c2_imm", "i2c_ck", 24),
GATE_IFR4(CLK_IFR_SPI4, "ifr_spi4", "spi_ck", 25),
GATE_IFR4(CLK_IFR_SPI5, "ifr_spi5", "spi_ck", 26),
GATE_IFR4(CLK_IFR_CQ_DMA, "ifr_cq_dma", "axi_ck", 27),
GATE_IFR4(CLK_IFR_FAES_FDE, "ifr_faes_fde_ck", "aes_fde_ck", 29),
/* INFRA mode 3 */
GATE_IFR5(CLK_IFR_MSDC0_SELF, "ifr_msdc0sf", "msdc50_0_ck", 0),
GATE_IFR5(CLK_IFR_MSDC1_SELF, "ifr_msdc1sf", "msdc50_0_ck", 1),
GATE_IFR5(CLK_IFR_I2C6, "ifr_i2c6", "i2c_ck", 6),
GATE_IFR5(CLK_IFR_AP_MSDC0, "ifr_ap_msdc0", "msdc50_0_ck", 7),
GATE_IFR5(CLK_IFR_MD_MSDC0, "ifr_md_msdc0", "msdc50_0_ck", 8),
GATE_IFR5(CLK_IFR_MSDC0_SRC, "ifr_msdc0_clk", "msdc50_0_ck", 9),
GATE_IFR5(CLK_IFR_MSDC1_SRC, "ifr_msdc1_clk", "msdc30_1_ck", 10),
GATE_IFR5(CLK_IFR_MCU_PM_BCLK, "ifr_mcu_pm_bclk", "axi_ck", 17),
GATE_IFR5(CLK_IFR_CCIF2_AP, "ifr_ccif2_ap", "axi_ck", 18),
GATE_IFR5(CLK_IFR_CCIF2_MD, "ifr_ccif2_md", "axi_ck", 19),
GATE_IFR5(CLK_IFR_CCIF3_AP, "ifr_ccif3_ap", "axi_ck", 20),
GATE_IFR5(CLK_IFR_CCIF3_MD, "ifr_ccif3_md", "axi_ck", 21),
};
/* additional CCF control for mipi26M race condition(disp/camera) */
static const struct mtk_gate_regs apmixed_cg_regs = {
.set_ofs = 0x14,
.clr_ofs = 0x14,
.sta_ofs = 0x14,
};
#define GATE_APMIXED(_id, _name, _parent, _shift) \
GATE_MTK(_id, _name, _parent, &apmixed_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr_inv)
static const struct mtk_gate apmixed_clks[] = {
/* AUDIO0 */
GATE_APMIXED(CLK_APMIXED_SSUSB26M, "apmixed_ssusb26m", "f_f26m_ck",
4),
GATE_APMIXED(CLK_APMIXED_APPLL26M, "apmixed_appll26m", "f_f26m_ck",
5),
GATE_APMIXED(CLK_APMIXED_MIPIC0_26M, "apmixed_mipic026m", "f_f26m_ck",
6),
GATE_APMIXED(CLK_APMIXED_MDPLLGP26M, "apmixed_mdpll26m", "f_f26m_ck",
7),
GATE_APMIXED(CLK_APMIXED_MMSYS_F26M, "apmixed_mmsys26m", "f_f26m_ck",
8),
GATE_APMIXED(CLK_APMIXED_UFS26M, "apmixed_ufs26m", "f_f26m_ck",
9),
GATE_APMIXED(CLK_APMIXED_MIPIC1_26M, "apmixed_mipic126m", "f_f26m_ck",
11),
GATE_APMIXED(CLK_APMIXED_MEMPLL26M, "apmixed_mempll26m", "f_f26m_ck",
13),
GATE_APMIXED(CLK_APMIXED_CLKSQ_LVPLL_26M, "apmixed_lvpll26m",
"f_f26m_ck", 14),
GATE_APMIXED(CLK_APMIXED_MIPID0_26M, "apmixed_mipid026m", "f_f26m_ck",
16),
};
#define MT6765_PLL_FMAX (3800UL * MHZ)
#define MT6765_PLL_FMIN (1500UL * MHZ)
#define CON0_MT6765_RST_BAR BIT(23)
#define PLL_INFO_NULL (0xFF)
#define PLL_B(_id, _name, _reg, _pwr_reg, _en_mask, _flags, _pcwbits, \
_pcwibits, _pd_reg, _pd_shift, _tuner_reg, _tuner_en_reg,\
_tuner_en_bit, _pcw_reg, _pcw_shift, _div_table) {\
.id = _id, \
.name = _name, \
.reg = _reg, \
.pwr_reg = _pwr_reg, \
.en_mask = _en_mask, \
.flags = _flags, \
.rst_bar_mask = CON0_MT6765_RST_BAR, \
.fmax = MT6765_PLL_FMAX, \
.fmin = MT6765_PLL_FMIN, \
.pcwbits = _pcwbits, \
.pcwibits = _pcwibits, \
.pd_reg = _pd_reg, \
.pd_shift = _pd_shift, \
.tuner_reg = _tuner_reg, \
.tuner_en_reg = _tuner_en_reg, \
.tuner_en_bit = _tuner_en_bit, \
.pcw_reg = _pcw_reg, \
.pcw_shift = _pcw_shift, \
.div_table = _div_table, \
}
#define PLL(_id, _name, _reg, _pwr_reg, _en_mask, _flags, _pcwbits, \
_pcwibits, _pd_reg, _pd_shift, _tuner_reg, \
_tuner_en_reg, _tuner_en_bit, _pcw_reg, \
_pcw_shift) \
PLL_B(_id, _name, _reg, _pwr_reg, _en_mask, _flags, \
_pcwbits, _pcwibits, _pd_reg, _pd_shift, \
_tuner_reg, _tuner_en_reg, _tuner_en_bit, \
_pcw_reg, _pcw_shift, NULL) \
static const struct mtk_pll_data plls[] = {
PLL(CLK_APMIXED_ARMPLL_L, "armpll_l", 0x021C, 0x0228, 0,
PLL_AO, 22, 8, 0x0220, 24, 0, 0, 0, 0x0220, 0),
PLL(CLK_APMIXED_ARMPLL, "armpll", 0x020C, 0x0218, 0,
PLL_AO, 22, 8, 0x0210, 24, 0, 0, 0, 0x0210, 0),
PLL(CLK_APMIXED_CCIPLL, "ccipll", 0x022C, 0x0238, 0,
PLL_AO, 22, 8, 0x0230, 24, 0, 0, 0, 0x0230, 0),
PLL(CLK_APMIXED_MAINPLL, "mainpll", 0x023C, 0x0248, 0,
(HAVE_RST_BAR | PLL_AO), 22, 8, 0x0240, 24, 0, 0, 0, 0x0240,
0),
PLL(CLK_APMIXED_MFGPLL, "mfgpll", 0x024C, 0x0258, 0,
0, 22, 8, 0x0250, 24, 0, 0, 0, 0x0250, 0),
PLL(CLK_APMIXED_MMPLL, "mmpll", 0x025C, 0x0268, 0,
0, 22, 8, 0x0260, 24, 0, 0, 0, 0x0260, 0),
PLL(CLK_APMIXED_UNIV2PLL, "univ2pll", 0x026C, 0x0278, 0,
HAVE_RST_BAR, 22, 8, 0x0270, 24, 0, 0, 0, 0x0270, 0),
PLL(CLK_APMIXED_MSDCPLL, "msdcpll", 0x027C, 0x0288, 0,
0, 22, 8, 0x0280, 24, 0, 0, 0, 0x0280, 0),
PLL(CLK_APMIXED_APLL1, "apll1", 0x028C, 0x029C, 0,
0, 32, 8, 0x0290, 24, 0x0040, 0x000C, 0, 0x0294, 0),
PLL(CLK_APMIXED_MPLL, "mpll", 0x02A0, 0x02AC, 0,
PLL_AO, 22, 8, 0x02A4, 24, 0, 0, 0, 0x02A4, 0),
};
static int clk_mt6765_apmixed_probe(struct platform_device *pdev)
{
struct clk_hw_onecell_data *clk_data;
int r;
struct device_node *node = pdev->dev.of_node;
void __iomem *base;
base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(base))
return PTR_ERR(base);
clk_data = mtk_alloc_clk_data(CLK_APMIXED_NR_CLK);
if (!clk_data)
return -ENOMEM;
mtk_clk_register_plls(node, plls, ARRAY_SIZE(plls), clk_data);
mtk_clk_register_gates(&pdev->dev, node, apmixed_clks,
ARRAY_SIZE(apmixed_clks), clk_data);
r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
if (r)
pr_err("%s(): could not register clock provider: %d\n",
__func__, r);
apmixed_base = base;
/* MPLL, CCIPLL, MAINPLL set HW mode, TDCLKSQ, CLKSQ1 */
writel(readl(AP_PLL_CON3) & 0xFFFFFFE1, AP_PLL_CON3);
writel(readl(PLLON_CON0) & 0x01041041, PLLON_CON0);
writel(readl(PLLON_CON1) & 0x01041041, PLLON_CON1);
return r;
}
static int clk_mt6765_top_probe(struct platform_device *pdev)
{
int r;
struct device_node *node = pdev->dev.of_node;
void __iomem *base;
struct clk_hw_onecell_data *clk_data;
base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(base))
return PTR_ERR(base);
clk_data = mtk_alloc_clk_data(CLK_TOP_NR_CLK);
if (!clk_data)
return -ENOMEM;
mtk_clk_register_fixed_clks(fixed_clks, ARRAY_SIZE(fixed_clks),
clk_data);
mtk_clk_register_factors(top_divs, ARRAY_SIZE(top_divs),
clk_data);
mtk_clk_register_muxes(&pdev->dev, top_muxes,
ARRAY_SIZE(top_muxes), node,
&mt6765_clk_lock, clk_data);
mtk_clk_register_gates(&pdev->dev, node, top_clks,
ARRAY_SIZE(top_clks), clk_data);
r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
if (r)
pr_err("%s(): could not register clock provider: %d\n",
__func__, r);
cksys_base = base;
/* [4]:no need */
writel(readl(CLK_SCP_CFG_0) | 0x3EF, CLK_SCP_CFG_0);
/*[1,2,3,8]: no need*/
writel(readl(CLK_SCP_CFG_1) | 0x1, CLK_SCP_CFG_1);
return r;
}
static int clk_mt6765_ifr_probe(struct platform_device *pdev)
{
struct clk_hw_onecell_data *clk_data;
int r;
struct device_node *node = pdev->dev.of_node;
void __iomem *base;
base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(base))
return PTR_ERR(base);
clk_data = mtk_alloc_clk_data(CLK_IFR_NR_CLK);
if (!clk_data)
return -ENOMEM;
mtk_clk_register_gates(&pdev->dev, node, ifr_clks,
ARRAY_SIZE(ifr_clks), clk_data);
r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
if (r)
pr_err("%s(): could not register clock provider: %d\n",
__func__, r);
return r;
}
static const struct of_device_id of_match_clk_mt6765[] = {
{
.compatible = "mediatek,mt6765-apmixedsys",
.data = clk_mt6765_apmixed_probe,
}, {
.compatible = "mediatek,mt6765-topckgen",
.data = clk_mt6765_top_probe,
}, {
.compatible = "mediatek,mt6765-infracfg",
.data = clk_mt6765_ifr_probe,
}, {
/* sentinel */
}
};
MODULE_DEVICE_TABLE(of, of_match_clk_mt6765);
static int clk_mt6765_probe(struct platform_device *pdev)
{
int (*clk_probe)(struct platform_device *d);
int r;
clk_probe = of_device_get_match_data(&pdev->dev);
if (!clk_probe)
return -EINVAL;
r = clk_probe(pdev);
if (r)
dev_err(&pdev->dev,
"could not register clock provider: %s: %d\n",
pdev->name, r);
return r;
}
static struct platform_driver clk_mt6765_drv = {
.probe = clk_mt6765_probe,
.driver = {
.name = "clk-mt6765",
.of_match_table = of_match_clk_mt6765,
},
};
static int __init clk_mt6765_init(void)
{
return platform_driver_register(&clk_mt6765_drv);
}
arch_initcall(clk_mt6765_init);
MODULE_LICENSE("GPL");
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