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linux/drivers/clk/rockchip/clk.h
Jagan Teki 2408ab5aa8 clk: rockchip: Add clock controller support for RV1126 SoC 
Clock & Reset Unit (CRU) in RV1126 support clocks for CRU
and CRU_PMU blocks.

This patch is trying to add minimal Clock-Architecture Diagram's
inferred from [1] authored by Finley Xiao.

[1] https://github.com/rockchip-linux/kernel/blob/develop-4.19/drivers/clk/rockchip/clk-rv1126.c

Cc: linux-clk@vger.kernel.org
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>
Signed-off-by: Jagan Teki <jagan@edgeble.ai>
Link: https://lore.kernel.org/r/20220915163947.1922183-5-jagan@edgeble.ai
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2022-09-23 11:15:30 +02:00

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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (c) 2014 MundoReader S.L.
* Author: Heiko Stuebner <heiko@sntech.de>
*
* Copyright (c) 2015 Rockchip Electronics Co. Ltd.
* Author: Xing Zheng <zhengxing@rock-chips.com>
*
* based on
*
* samsung/clk.h
* Copyright (c) 2013 Samsung Electronics Co., Ltd.
* Copyright (c) 2013 Linaro Ltd.
* Author: Thomas Abraham <thomas.ab@samsung.com>
*/
#ifndef CLK_ROCKCHIP_CLK_H
#define CLK_ROCKCHIP_CLK_H
#include <linux/io.h>
#include <linux/clk-provider.h>
struct clk;
#define HIWORD_UPDATE(val, mask, shift) \
((val) << (shift) | (mask) << ((shift) + 16))
/* register positions shared by PX30, RV1108, RK2928, RK3036, RK3066, RK3188 and RK3228 */
#define BOOST_PLL_H_CON(x) ((x) * 0x4)
#define BOOST_CLK_CON 0x0008
#define BOOST_BOOST_CON 0x000c
#define BOOST_SWITCH_CNT 0x0010
#define BOOST_HIGH_PERF_CNT0 0x0014
#define BOOST_HIGH_PERF_CNT1 0x0018
#define BOOST_STATIS_THRESHOLD 0x001c
#define BOOST_SHORT_SWITCH_CNT 0x0020
#define BOOST_SWITCH_THRESHOLD 0x0024
#define BOOST_FSM_STATUS 0x0028
#define BOOST_PLL_L_CON(x) ((x) * 0x4 + 0x2c)
#define BOOST_RECOVERY_MASK 0x1
#define BOOST_RECOVERY_SHIFT 1
#define BOOST_SW_CTRL_MASK 0x1
#define BOOST_SW_CTRL_SHIFT 2
#define BOOST_LOW_FREQ_EN_MASK 0x1
#define BOOST_LOW_FREQ_EN_SHIFT 3
#define BOOST_BUSY_STATE BIT(8)
#define PX30_PLL_CON(x) ((x) * 0x4)
#define PX30_CLKSEL_CON(x) ((x) * 0x4 + 0x100)
#define PX30_CLKGATE_CON(x) ((x) * 0x4 + 0x200)
#define PX30_GLB_SRST_FST 0xb8
#define PX30_GLB_SRST_SND 0xbc
#define PX30_SOFTRST_CON(x) ((x) * 0x4 + 0x300)
#define PX30_MODE_CON 0xa0
#define PX30_MISC_CON 0xa4
#define PX30_SDMMC_CON0 0x380
#define PX30_SDMMC_CON1 0x384
#define PX30_SDIO_CON0 0x388
#define PX30_SDIO_CON1 0x38c
#define PX30_EMMC_CON0 0x390
#define PX30_EMMC_CON1 0x394
#define PX30_PMU_PLL_CON(x) ((x) * 0x4)
#define PX30_PMU_CLKSEL_CON(x) ((x) * 0x4 + 0x40)
#define PX30_PMU_CLKGATE_CON(x) ((x) * 0x4 + 0x80)
#define PX30_PMU_MODE 0x0020
#define RV1108_PLL_CON(x) ((x) * 0x4)
#define RV1108_CLKSEL_CON(x) ((x) * 0x4 + 0x60)
#define RV1108_CLKGATE_CON(x) ((x) * 0x4 + 0x120)
#define RV1108_SOFTRST_CON(x) ((x) * 0x4 + 0x180)
#define RV1108_GLB_SRST_FST 0x1c0
#define RV1108_GLB_SRST_SND 0x1c4
#define RV1108_MISC_CON 0x1cc
#define RV1108_SDMMC_CON0 0x1d8
#define RV1108_SDMMC_CON1 0x1dc
#define RV1108_SDIO_CON0 0x1e0
#define RV1108_SDIO_CON1 0x1e4
#define RV1108_EMMC_CON0 0x1e8
#define RV1108_EMMC_CON1 0x1ec
#define RV1126_PMU_MODE 0x0
#define RV1126_PMU_PLL_CON(x) ((x) * 0x4 + 0x10)
#define RV1126_PMU_CLKSEL_CON(x) ((x) * 0x4 + 0x100)
#define RV1126_PMU_CLKGATE_CON(x) ((x) * 0x4 + 0x180)
#define RV1126_PMU_SOFTRST_CON(x) ((x) * 0x4 + 0x200)
#define RV1126_PLL_CON(x) ((x) * 0x4)
#define RV1126_MODE_CON 0x90
#define RV1126_CLKSEL_CON(x) ((x) * 0x4 + 0x100)
#define RV1126_CLKGATE_CON(x) ((x) * 0x4 + 0x280)
#define RV1126_SOFTRST_CON(x) ((x) * 0x4 + 0x300)
#define RV1126_GLB_SRST_FST 0x408
#define RV1126_GLB_SRST_SND 0x40c
#define RV1126_SDMMC_CON0 0x440
#define RV1126_SDMMC_CON1 0x444
#define RV1126_SDIO_CON0 0x448
#define RV1126_SDIO_CON1 0x44c
#define RV1126_EMMC_CON0 0x450
#define RV1126_EMMC_CON1 0x454
#define RK2928_PLL_CON(x) ((x) * 0x4)
#define RK2928_MODE_CON 0x40
#define RK2928_CLKSEL_CON(x) ((x) * 0x4 + 0x44)
#define RK2928_CLKGATE_CON(x) ((x) * 0x4 + 0xd0)
#define RK2928_GLB_SRST_FST 0x100
#define RK2928_GLB_SRST_SND 0x104
#define RK2928_SOFTRST_CON(x) ((x) * 0x4 + 0x110)
#define RK2928_MISC_CON 0x134
#define RK3036_SDMMC_CON0 0x144
#define RK3036_SDMMC_CON1 0x148
#define RK3036_SDIO_CON0 0x14c
#define RK3036_SDIO_CON1 0x150
#define RK3036_EMMC_CON0 0x154
#define RK3036_EMMC_CON1 0x158
#define RK3228_GLB_SRST_FST 0x1f0
#define RK3228_GLB_SRST_SND 0x1f4
#define RK3228_SDMMC_CON0 0x1c0
#define RK3228_SDMMC_CON1 0x1c4
#define RK3228_SDIO_CON0 0x1c8
#define RK3228_SDIO_CON1 0x1cc
#define RK3228_EMMC_CON0 0x1d8
#define RK3228_EMMC_CON1 0x1dc
#define RK3288_PLL_CON(x) RK2928_PLL_CON(x)
#define RK3288_MODE_CON 0x50
#define RK3288_CLKSEL_CON(x) ((x) * 0x4 + 0x60)
#define RK3288_CLKGATE_CON(x) ((x) * 0x4 + 0x160)
#define RK3288_GLB_SRST_FST 0x1b0
#define RK3288_GLB_SRST_SND 0x1b4
#define RK3288_SOFTRST_CON(x) ((x) * 0x4 + 0x1b8)
#define RK3288_MISC_CON 0x1e8
#define RK3288_SDMMC_CON0 0x200
#define RK3288_SDMMC_CON1 0x204
#define RK3288_SDIO0_CON0 0x208
#define RK3288_SDIO0_CON1 0x20c
#define RK3288_SDIO1_CON0 0x210
#define RK3288_SDIO1_CON1 0x214
#define RK3288_EMMC_CON0 0x218
#define RK3288_EMMC_CON1 0x21c
#define RK3308_PLL_CON(x) RK2928_PLL_CON(x)
#define RK3308_CLKSEL_CON(x) ((x) * 0x4 + 0x100)
#define RK3308_CLKGATE_CON(x) ((x) * 0x4 + 0x300)
#define RK3308_GLB_SRST_FST 0xb8
#define RK3308_SOFTRST_CON(x) ((x) * 0x4 + 0x400)
#define RK3308_MODE_CON 0xa0
#define RK3308_SDMMC_CON0 0x480
#define RK3308_SDMMC_CON1 0x484
#define RK3308_SDIO_CON0 0x488
#define RK3308_SDIO_CON1 0x48c
#define RK3308_EMMC_CON0 0x490
#define RK3308_EMMC_CON1 0x494
#define RK3328_PLL_CON(x) RK2928_PLL_CON(x)
#define RK3328_CLKSEL_CON(x) ((x) * 0x4 + 0x100)
#define RK3328_CLKGATE_CON(x) ((x) * 0x4 + 0x200)
#define RK3328_GRFCLKSEL_CON(x) ((x) * 0x4 + 0x100)
#define RK3328_GLB_SRST_FST 0x9c
#define RK3328_GLB_SRST_SND 0x98
#define RK3328_SOFTRST_CON(x) ((x) * 0x4 + 0x300)
#define RK3328_MODE_CON 0x80
#define RK3328_MISC_CON 0x84
#define RK3328_SDMMC_CON0 0x380
#define RK3328_SDMMC_CON1 0x384
#define RK3328_SDIO_CON0 0x388
#define RK3328_SDIO_CON1 0x38c
#define RK3328_EMMC_CON0 0x390
#define RK3328_EMMC_CON1 0x394
#define RK3328_SDMMC_EXT_CON0 0x398
#define RK3328_SDMMC_EXT_CON1 0x39C
#define RK3368_PLL_CON(x) RK2928_PLL_CON(x)
#define RK3368_CLKSEL_CON(x) ((x) * 0x4 + 0x100)
#define RK3368_CLKGATE_CON(x) ((x) * 0x4 + 0x200)
#define RK3368_GLB_SRST_FST 0x280
#define RK3368_GLB_SRST_SND 0x284
#define RK3368_SOFTRST_CON(x) ((x) * 0x4 + 0x300)
#define RK3368_MISC_CON 0x380
#define RK3368_SDMMC_CON0 0x400
#define RK3368_SDMMC_CON1 0x404
#define RK3368_SDIO0_CON0 0x408
#define RK3368_SDIO0_CON1 0x40c
#define RK3368_SDIO1_CON0 0x410
#define RK3368_SDIO1_CON1 0x414
#define RK3368_EMMC_CON0 0x418
#define RK3368_EMMC_CON1 0x41c
#define RK3399_PLL_CON(x) RK2928_PLL_CON(x)
#define RK3399_CLKSEL_CON(x) ((x) * 0x4 + 0x100)
#define RK3399_CLKGATE_CON(x) ((x) * 0x4 + 0x300)
#define RK3399_SOFTRST_CON(x) ((x) * 0x4 + 0x400)
#define RK3399_GLB_SRST_FST 0x500
#define RK3399_GLB_SRST_SND 0x504
#define RK3399_GLB_CNT_TH 0x508
#define RK3399_MISC_CON 0x50c
#define RK3399_RST_CON 0x510
#define RK3399_RST_ST 0x514
#define RK3399_SDMMC_CON0 0x580
#define RK3399_SDMMC_CON1 0x584
#define RK3399_SDIO_CON0 0x588
#define RK3399_SDIO_CON1 0x58c
#define RK3399_PMU_PLL_CON(x) RK2928_PLL_CON(x)
#define RK3399_PMU_CLKSEL_CON(x) ((x) * 0x4 + 0x80)
#define RK3399_PMU_CLKGATE_CON(x) ((x) * 0x4 + 0x100)
#define RK3399_PMU_SOFTRST_CON(x) ((x) * 0x4 + 0x110)
#define RK3568_PLL_CON(x) RK2928_PLL_CON(x)
#define RK3568_MODE_CON0 0xc0
#define RK3568_MISC_CON0 0xc4
#define RK3568_MISC_CON1 0xc8
#define RK3568_MISC_CON2 0xcc
#define RK3568_GLB_CNT_TH 0xd0
#define RK3568_GLB_SRST_FST 0xd4
#define RK3568_GLB_SRST_SND 0xd8
#define RK3568_GLB_RST_CON 0xdc
#define RK3568_GLB_RST_ST 0xe0
#define RK3568_CLKSEL_CON(x) ((x) * 0x4 + 0x100)
#define RK3568_CLKGATE_CON(x) ((x) * 0x4 + 0x300)
#define RK3568_SOFTRST_CON(x) ((x) * 0x4 + 0x400)
#define RK3568_SDMMC0_CON0 0x580
#define RK3568_SDMMC0_CON1 0x584
#define RK3568_SDMMC1_CON0 0x588
#define RK3568_SDMMC1_CON1 0x58c
#define RK3568_SDMMC2_CON0 0x590
#define RK3568_SDMMC2_CON1 0x594
#define RK3568_EMMC_CON0 0x598
#define RK3568_EMMC_CON1 0x59c
#define RK3568_PMU_PLL_CON(x) RK2928_PLL_CON(x)
#define RK3568_PMU_MODE_CON0 0x80
#define RK3568_PMU_CLKSEL_CON(x) ((x) * 0x4 + 0x100)
#define RK3568_PMU_CLKGATE_CON(x) ((x) * 0x4 + 0x180)
#define RK3568_PMU_SOFTRST_CON(x) ((x) * 0x4 + 0x200)
enum rockchip_pll_type {
pll_rk3036,
pll_rk3066,
pll_rk3328,
pll_rk3399,
};
#define RK3036_PLL_RATE(_rate, _refdiv, _fbdiv, _postdiv1, \
_postdiv2, _dsmpd, _frac) \
{ \
.rate = _rate##U, \
.fbdiv = _fbdiv, \
.postdiv1 = _postdiv1, \
.refdiv = _refdiv, \
.postdiv2 = _postdiv2, \
.dsmpd = _dsmpd, \
.frac = _frac, \
}
#define RK3066_PLL_RATE(_rate, _nr, _nf, _no) \
{ \
.rate = _rate##U, \
.nr = _nr, \
.nf = _nf, \
.no = _no, \
.nb = ((_nf) < 2) ? 1 : (_nf) >> 1, \
}
#define RK3066_PLL_RATE_NB(_rate, _nr, _nf, _no, _nb) \
{ \
.rate = _rate##U, \
.nr = _nr, \
.nf = _nf, \
.no = _no, \
.nb = _nb, \
}
/**
* struct rockchip_clk_provider - information about clock provider
* @reg_base: virtual address for the register base.
* @clk_data: holds clock related data like clk* and number of clocks.
* @cru_node: device-node of the clock-provider
* @grf: regmap of the general-register-files syscon
* @lock: maintains exclusion between callbacks for a given clock-provider.
*/
struct rockchip_clk_provider {
void __iomem *reg_base;
struct clk_onecell_data clk_data;
struct device_node *cru_node;
struct regmap *grf;
spinlock_t lock;
};
struct rockchip_pll_rate_table {
unsigned long rate;
union {
struct {
/* for RK3066 */
unsigned int nr;
unsigned int nf;
unsigned int no;
unsigned int nb;
};
struct {
/* for RK3036/RK3399 */
unsigned int fbdiv;
unsigned int postdiv1;
unsigned int refdiv;
unsigned int postdiv2;
unsigned int dsmpd;
unsigned int frac;
};
};
};
/**
* struct rockchip_pll_clock - information about pll clock
* @id: platform specific id of the clock.
* @name: name of this pll clock.
* @parent_names: name of the parent clock.
* @num_parents: number of parents
* @flags: optional flags for basic clock.
* @con_offset: offset of the register for configuring the PLL.
* @mode_offset: offset of the register for configuring the PLL-mode.
* @mode_shift: offset inside the mode-register for the mode of this pll.
* @lock_shift: offset inside the lock register for the lock status.
* @type: Type of PLL to be registered.
* @pll_flags: hardware-specific flags
* @rate_table: Table of usable pll rates
*
* Flags:
* ROCKCHIP_PLL_SYNC_RATE - check rate parameters to match against the
* rate_table parameters and ajust them if necessary.
*/
struct rockchip_pll_clock {
unsigned int id;
const char *name;
const char *const *parent_names;
u8 num_parents;
unsigned long flags;
int con_offset;
int mode_offset;
int mode_shift;
int lock_shift;
enum rockchip_pll_type type;
u8 pll_flags;
struct rockchip_pll_rate_table *rate_table;
};
#define ROCKCHIP_PLL_SYNC_RATE BIT(0)
#define PLL(_type, _id, _name, _pnames, _flags, _con, _mode, _mshift, \
_lshift, _pflags, _rtable) \
{ \
.id = _id, \
.type = _type, \
.name = _name, \
.parent_names = _pnames, \
.num_parents = ARRAY_SIZE(_pnames), \
.flags = CLK_GET_RATE_NOCACHE | _flags, \
.con_offset = _con, \
.mode_offset = _mode, \
.mode_shift = _mshift, \
.lock_shift = _lshift, \
.pll_flags = _pflags, \
.rate_table = _rtable, \
}
struct clk *rockchip_clk_register_pll(struct rockchip_clk_provider *ctx,
enum rockchip_pll_type pll_type,
const char *name, const char *const *parent_names,
u8 num_parents, int con_offset, int grf_lock_offset,
int lock_shift, int mode_offset, int mode_shift,
struct rockchip_pll_rate_table *rate_table,
unsigned long flags, u8 clk_pll_flags);
struct rockchip_cpuclk_clksel {
int reg;
u32 val;
};
#define ROCKCHIP_CPUCLK_NUM_DIVIDERS 5
#define ROCKCHIP_CPUCLK_MAX_CORES 4
struct rockchip_cpuclk_rate_table {
unsigned long prate;
struct rockchip_cpuclk_clksel divs[ROCKCHIP_CPUCLK_NUM_DIVIDERS];
};
/**
* struct rockchip_cpuclk_reg_data - register offsets and masks of the cpuclock
* @core_reg[]: register offset of the cores setting register
* @div_core_shift[]: cores divider offset used to divide the pll value
* @div_core_mask[]: cores divider mask
* @num_cores: number of cpu cores
* @mux_core_main: mux value to select main parent of core
* @mux_core_shift: offset of the core multiplexer
* @mux_core_mask: core multiplexer mask
*/
struct rockchip_cpuclk_reg_data {
int core_reg[ROCKCHIP_CPUCLK_MAX_CORES];
u8 div_core_shift[ROCKCHIP_CPUCLK_MAX_CORES];
u32 div_core_mask[ROCKCHIP_CPUCLK_MAX_CORES];
int num_cores;
u8 mux_core_alt;
u8 mux_core_main;
u8 mux_core_shift;
u32 mux_core_mask;
};
struct clk *rockchip_clk_register_cpuclk(const char *name,
const char *const *parent_names, u8 num_parents,
const struct rockchip_cpuclk_reg_data *reg_data,
const struct rockchip_cpuclk_rate_table *rates,
int nrates, void __iomem *reg_base, spinlock_t *lock);
struct clk *rockchip_clk_register_mmc(const char *name,
const char *const *parent_names, u8 num_parents,
void __iomem *reg, int shift);
/*
* DDRCLK flags, including method of setting the rate
* ROCKCHIP_DDRCLK_SIP: use SIP call to bl31 to change ddrclk rate.
*/
#define ROCKCHIP_DDRCLK_SIP BIT(0)
struct clk *rockchip_clk_register_ddrclk(const char *name, int flags,
const char *const *parent_names,
u8 num_parents, int mux_offset,
int mux_shift, int mux_width,
int div_shift, int div_width,
int ddr_flags, void __iomem *reg_base,
spinlock_t *lock);
#define ROCKCHIP_INVERTER_HIWORD_MASK BIT(0)
struct clk *rockchip_clk_register_inverter(const char *name,
const char *const *parent_names, u8 num_parents,
void __iomem *reg, int shift, int flags,
spinlock_t *lock);
struct clk *rockchip_clk_register_muxgrf(const char *name,
const char *const *parent_names, u8 num_parents,
int flags, struct regmap *grf, int reg,
int shift, int width, int mux_flags);
#define PNAME(x) static const char *const x[] __initconst
enum rockchip_clk_branch_type {
branch_composite,
branch_mux,
branch_muxgrf,
branch_divider,
branch_fraction_divider,
branch_gate,
branch_mmc,
branch_inverter,
branch_factor,
branch_ddrclk,
branch_half_divider,
};
struct rockchip_clk_branch {
unsigned int id;
enum rockchip_clk_branch_type branch_type;
const char *name;
const char *const *parent_names;
u8 num_parents;
unsigned long flags;
int muxdiv_offset;
u8 mux_shift;
u8 mux_width;
u8 mux_flags;
u32 *mux_table;
int div_offset;
u8 div_shift;
u8 div_width;
u8 div_flags;
struct clk_div_table *div_table;
int gate_offset;
u8 gate_shift;
u8 gate_flags;
struct rockchip_clk_branch *child;
};
#define COMPOSITE(_id, cname, pnames, f, mo, ms, mw, mf, ds, dw,\
df, go, gs, gf) \
{ \
.id = _id, \
.branch_type = branch_composite, \
.name = cname, \
.parent_names = pnames, \
.num_parents = ARRAY_SIZE(pnames), \
.flags = f, \
.muxdiv_offset = mo, \
.mux_shift = ms, \
.mux_width = mw, \
.mux_flags = mf, \
.div_shift = ds, \
.div_width = dw, \
.div_flags = df, \
.gate_offset = go, \
.gate_shift = gs, \
.gate_flags = gf, \
}
#define COMPOSITE_DIV_OFFSET(_id, cname, pnames, f, mo, ms, mw, \
mf, do, ds, dw, df, go, gs, gf) \
{ \
.id = _id, \
.branch_type = branch_composite, \
.name = cname, \
.parent_names = pnames, \
.num_parents = ARRAY_SIZE(pnames), \
.flags = f, \
.muxdiv_offset = mo, \
.mux_shift = ms, \
.mux_width = mw, \
.mux_flags = mf, \
.div_offset = do, \
.div_shift = ds, \
.div_width = dw, \
.div_flags = df, \
.gate_offset = go, \
.gate_shift = gs, \
.gate_flags = gf, \
}
#define COMPOSITE_NOMUX(_id, cname, pname, f, mo, ds, dw, df, \
go, gs, gf) \
{ \
.id = _id, \
.branch_type = branch_composite, \
.name = cname, \
.parent_names = (const char *[]){ pname }, \
.num_parents = 1, \
.flags = f, \
.muxdiv_offset = mo, \
.div_shift = ds, \
.div_width = dw, \
.div_flags = df, \
.gate_offset = go, \
.gate_shift = gs, \
.gate_flags = gf, \
}
#define COMPOSITE_NOMUX_DIVTBL(_id, cname, pname, f, mo, ds, dw,\
df, dt, go, gs, gf) \
{ \
.id = _id, \
.branch_type = branch_composite, \
.name = cname, \
.parent_names = (const char *[]){ pname }, \
.num_parents = 1, \
.flags = f, \
.muxdiv_offset = mo, \
.div_shift = ds, \
.div_width = dw, \
.div_flags = df, \
.div_table = dt, \
.gate_offset = go, \
.gate_shift = gs, \
.gate_flags = gf, \
}
#define COMPOSITE_NODIV(_id, cname, pnames, f, mo, ms, mw, mf, \
go, gs, gf) \
{ \
.id = _id, \
.branch_type = branch_composite, \
.name = cname, \
.parent_names = pnames, \
.num_parents = ARRAY_SIZE(pnames), \
.flags = f, \
.muxdiv_offset = mo, \
.mux_shift = ms, \
.mux_width = mw, \
.mux_flags = mf, \
.gate_offset = go, \
.gate_shift = gs, \
.gate_flags = gf, \
}
#define COMPOSITE_NOGATE(_id, cname, pnames, f, mo, ms, mw, mf, \
ds, dw, df) \
{ \
.id = _id, \
.branch_type = branch_composite, \
.name = cname, \
.parent_names = pnames, \
.num_parents = ARRAY_SIZE(pnames), \
.flags = f, \
.muxdiv_offset = mo, \
.mux_shift = ms, \
.mux_width = mw, \
.mux_flags = mf, \
.div_shift = ds, \
.div_width = dw, \
.div_flags = df, \
.gate_offset = -1, \
}
#define COMPOSITE_NOGATE_DIVTBL(_id, cname, pnames, f, mo, ms, \
mw, mf, ds, dw, df, dt) \
{ \
.id = _id, \
.branch_type = branch_composite, \
.name = cname, \
.parent_names = pnames, \
.num_parents = ARRAY_SIZE(pnames), \
.flags = f, \
.muxdiv_offset = mo, \
.mux_shift = ms, \
.mux_width = mw, \
.mux_flags = mf, \
.div_shift = ds, \
.div_width = dw, \
.div_flags = df, \
.div_table = dt, \
.gate_offset = -1, \
}
#define COMPOSITE_FRAC(_id, cname, pname, f, mo, df, go, gs, gf)\
{ \
.id = _id, \
.branch_type = branch_fraction_divider, \
.name = cname, \
.parent_names = (const char *[]){ pname }, \
.num_parents = 1, \
.flags = f, \
.muxdiv_offset = mo, \
.div_shift = 16, \
.div_width = 16, \
.div_flags = df, \
.gate_offset = go, \
.gate_shift = gs, \
.gate_flags = gf, \
}
#define COMPOSITE_FRACMUX(_id, cname, pname, f, mo, df, go, gs, gf, ch) \
{ \
.id = _id, \
.branch_type = branch_fraction_divider, \
.name = cname, \
.parent_names = (const char *[]){ pname }, \
.num_parents = 1, \
.flags = f, \
.muxdiv_offset = mo, \
.div_shift = 16, \
.div_width = 16, \
.div_flags = df, \
.gate_offset = go, \
.gate_shift = gs, \
.gate_flags = gf, \
.child = ch, \
}
#define COMPOSITE_FRACMUX_NOGATE(_id, cname, pname, f, mo, df, ch) \
{ \
.id = _id, \
.branch_type = branch_fraction_divider, \
.name = cname, \
.parent_names = (const char *[]){ pname }, \
.num_parents = 1, \
.flags = f, \
.muxdiv_offset = mo, \
.div_shift = 16, \
.div_width = 16, \
.div_flags = df, \
.gate_offset = -1, \
.child = ch, \
}
#define COMPOSITE_DDRCLK(_id, cname, pnames, f, mo, ms, mw, \
ds, dw, df) \
{ \
.id = _id, \
.branch_type = branch_ddrclk, \
.name = cname, \
.parent_names = pnames, \
.num_parents = ARRAY_SIZE(pnames), \
.flags = f, \
.muxdiv_offset = mo, \
.mux_shift = ms, \
.mux_width = mw, \
.div_shift = ds, \
.div_width = dw, \
.div_flags = df, \
.gate_offset = -1, \
}
#define MUX(_id, cname, pnames, f, o, s, w, mf) \
{ \
.id = _id, \
.branch_type = branch_mux, \
.name = cname, \
.parent_names = pnames, \
.num_parents = ARRAY_SIZE(pnames), \
.flags = f, \
.muxdiv_offset = o, \
.mux_shift = s, \
.mux_width = w, \
.mux_flags = mf, \
.gate_offset = -1, \
}
#define MUXTBL(_id, cname, pnames, f, o, s, w, mf, mt) \
{ \
.id = _id, \
.branch_type = branch_mux, \
.name = cname, \
.parent_names = pnames, \
.num_parents = ARRAY_SIZE(pnames), \
.flags = f, \
.muxdiv_offset = o, \
.mux_shift = s, \
.mux_width = w, \
.mux_flags = mf, \
.gate_offset = -1, \
.mux_table = mt, \
}
#define MUXGRF(_id, cname, pnames, f, o, s, w, mf) \
{ \
.id = _id, \
.branch_type = branch_muxgrf, \
.name = cname, \
.parent_names = pnames, \
.num_parents = ARRAY_SIZE(pnames), \
.flags = f, \
.muxdiv_offset = o, \
.mux_shift = s, \
.mux_width = w, \
.mux_flags = mf, \
.gate_offset = -1, \
}
#define DIV(_id, cname, pname, f, o, s, w, df) \
{ \
.id = _id, \
.branch_type = branch_divider, \
.name = cname, \
.parent_names = (const char *[]){ pname }, \
.num_parents = 1, \
.flags = f, \
.muxdiv_offset = o, \
.div_shift = s, \
.div_width = w, \
.div_flags = df, \
.gate_offset = -1, \
}
#define DIVTBL(_id, cname, pname, f, o, s, w, df, dt) \
{ \
.id = _id, \
.branch_type = branch_divider, \
.name = cname, \
.parent_names = (const char *[]){ pname }, \
.num_parents = 1, \
.flags = f, \
.muxdiv_offset = o, \
.div_shift = s, \
.div_width = w, \
.div_flags = df, \
.div_table = dt, \
}
#define GATE(_id, cname, pname, f, o, b, gf) \
{ \
.id = _id, \
.branch_type = branch_gate, \
.name = cname, \
.parent_names = (const char *[]){ pname }, \
.num_parents = 1, \
.flags = f, \
.gate_offset = o, \
.gate_shift = b, \
.gate_flags = gf, \
}
#define MMC(_id, cname, pname, offset, shift) \
{ \
.id = _id, \
.branch_type = branch_mmc, \
.name = cname, \
.parent_names = (const char *[]){ pname }, \
.num_parents = 1, \
.muxdiv_offset = offset, \
.div_shift = shift, \
}
#define INVERTER(_id, cname, pname, io, is, if) \
{ \
.id = _id, \
.branch_type = branch_inverter, \
.name = cname, \
.parent_names = (const char *[]){ pname }, \
.num_parents = 1, \
.muxdiv_offset = io, \
.div_shift = is, \
.div_flags = if, \
}
#define FACTOR(_id, cname, pname, f, fm, fd) \
{ \
.id = _id, \
.branch_type = branch_factor, \
.name = cname, \
.parent_names = (const char *[]){ pname }, \
.num_parents = 1, \
.flags = f, \
.div_shift = fm, \
.div_width = fd, \
}
#define FACTOR_GATE(_id, cname, pname, f, fm, fd, go, gb, gf) \
{ \
.id = _id, \
.branch_type = branch_factor, \
.name = cname, \
.parent_names = (const char *[]){ pname }, \
.num_parents = 1, \
.flags = f, \
.div_shift = fm, \
.div_width = fd, \
.gate_offset = go, \
.gate_shift = gb, \
.gate_flags = gf, \
}
#define COMPOSITE_HALFDIV(_id, cname, pnames, f, mo, ms, mw, mf, ds, dw,\
df, go, gs, gf) \
{ \
.id = _id, \
.branch_type = branch_half_divider, \
.name = cname, \
.parent_names = pnames, \
.num_parents = ARRAY_SIZE(pnames), \
.flags = f, \
.muxdiv_offset = mo, \
.mux_shift = ms, \
.mux_width = mw, \
.mux_flags = mf, \
.div_shift = ds, \
.div_width = dw, \
.div_flags = df, \
.gate_offset = go, \
.gate_shift = gs, \
.gate_flags = gf, \
}
#define COMPOSITE_NOGATE_HALFDIV(_id, cname, pnames, f, mo, ms, mw, mf, \
ds, dw, df) \
{ \
.id = _id, \
.branch_type = branch_half_divider, \
.name = cname, \
.parent_names = pnames, \
.num_parents = ARRAY_SIZE(pnames), \
.flags = f, \
.muxdiv_offset = mo, \
.mux_shift = ms, \
.mux_width = mw, \
.mux_flags = mf, \
.div_shift = ds, \
.div_width = dw, \
.div_flags = df, \
.gate_offset = -1, \
}
#define COMPOSITE_NOMUX_HALFDIV(_id, cname, pname, f, mo, ds, dw, df, \
go, gs, gf) \
{ \
.id = _id, \
.branch_type = branch_half_divider, \
.name = cname, \
.parent_names = (const char *[]){ pname }, \
.num_parents = 1, \
.flags = f, \
.muxdiv_offset = mo, \
.div_shift = ds, \
.div_width = dw, \
.div_flags = df, \
.gate_offset = go, \
.gate_shift = gs, \
.gate_flags = gf, \
}
#define DIV_HALF(_id, cname, pname, f, o, s, w, df) \
{ \
.id = _id, \
.branch_type = branch_half_divider, \
.name = cname, \
.parent_names = (const char *[]){ pname }, \
.num_parents = 1, \
.flags = f, \
.muxdiv_offset = o, \
.div_shift = s, \
.div_width = w, \
.div_flags = df, \
.gate_offset = -1, \
}
/* SGRF clocks are only accessible from secure mode, so not controllable */
#define SGRF_GATE(_id, cname, pname) \
FACTOR(_id, cname, pname, 0, 1, 1)
struct rockchip_clk_provider *rockchip_clk_init(struct device_node *np,
void __iomem *base, unsigned long nr_clks);
void rockchip_clk_of_add_provider(struct device_node *np,
struct rockchip_clk_provider *ctx);
void rockchip_clk_add_lookup(struct rockchip_clk_provider *ctx,
struct clk *clk, unsigned int id);
void rockchip_clk_register_branches(struct rockchip_clk_provider *ctx,
struct rockchip_clk_branch *list,
unsigned int nr_clk);
void rockchip_clk_register_plls(struct rockchip_clk_provider *ctx,
struct rockchip_pll_clock *pll_list,
unsigned int nr_pll, int grf_lock_offset);
void rockchip_clk_register_armclk(struct rockchip_clk_provider *ctx,
unsigned int lookup_id, const char *name,
const char *const *parent_names, u8 num_parents,
const struct rockchip_cpuclk_reg_data *reg_data,
const struct rockchip_cpuclk_rate_table *rates,
int nrates);
void rockchip_clk_protect_critical(const char *const clocks[], int nclocks);
void rockchip_register_restart_notifier(struct rockchip_clk_provider *ctx,
unsigned int reg, void (*cb)(void));
#define ROCKCHIP_SOFTRST_HIWORD_MASK BIT(0)
struct clk *rockchip_clk_register_halfdiv(const char *name,
const char *const *parent_names,
u8 num_parents, void __iomem *base,
int muxdiv_offset, u8 mux_shift,
u8 mux_width, u8 mux_flags,
u8 div_shift, u8 div_width,
u8 div_flags, int gate_offset,
u8 gate_shift, u8 gate_flags,
unsigned long flags,
spinlock_t *lock);
#ifdef CONFIG_RESET_CONTROLLER
void rockchip_register_softrst(struct device_node *np,
unsigned int num_regs,
void __iomem *base, u8 flags);
#else
static inline void rockchip_register_softrst(struct device_node *np,
unsigned int num_regs,
void __iomem *base, u8 flags)
{
}
#endif
#endif
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