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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* (C) Copyright 2017 Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
*/
#ifndef _CLOCK_QCOM_H
#define _CLOCK_QCOM_H
#include <asm/io.h>
#define CFG_CLK_SRC_CXO (0 << 8)
#define CFG_CLK_SRC_GPLL0 (1 << 8)
#define CFG_CLK_SRC_GPLL0_EVEN (6 << 8)
#define CFG_CLK_SRC_MASK (7 << 8)
#define RCG_CFG_REG 0x4
#define RCG_M_REG 0x8
#define RCG_N_REG 0xc
#define RCG_D_REG 0x10
struct pll_vote_clk {
uintptr_t status;
int status_bit;
uintptr_t ena_vote;
int vote_bit;
};
struct vote_clk {
uintptr_t cbcr_reg;
uintptr_t ena_vote;
int vote_bit;
};
struct freq_tbl {
uint freq;
uint src;
u8 pre_div;
u16 m;
u16 n;
};
#define F(f, s, h, m, n) { (f), (s), (2 * (h) - 1), (m), (n) }
struct gate_clk {
uintptr_t reg;
u32 en_val;
const char *name;
};
#ifdef DEBUG
#define GATE_CLK(clk, reg, val) [clk] = { reg, val, #clk }
#else
#define GATE_CLK(clk, reg, val) [clk] = { reg, val, NULL }
#endif
struct qcom_reset_map {
unsigned int reg;
u8 bit;
};
struct qcom_power_map {
unsigned int reg;
};
struct clk;
struct msm_clk_data {
const struct qcom_power_map *power_domains;
unsigned long num_power_domains;
const struct qcom_reset_map *resets;
unsigned long num_resets;
const struct gate_clk *clks;
unsigned long num_clks;
int (*enable)(struct clk *clk);
unsigned long (*set_rate)(struct clk *clk, unsigned long rate);
};
struct msm_clk_priv {
phys_addr_t base;
struct msm_clk_data *data;
};
int qcom_cc_bind(struct udevice *parent);
void clk_enable_gpll0(phys_addr_t base, const struct pll_vote_clk *gpll0);
void clk_bcr_update(phys_addr_t apps_cmd_rgcr);
void clk_enable_cbc(phys_addr_t cbcr);
void clk_enable_vote_clk(phys_addr_t base, const struct vote_clk *vclk);
const struct freq_tbl *qcom_find_freq(const struct freq_tbl *f, uint rate);
void clk_rcg_set_rate_mnd(phys_addr_t base, uint32_t cmd_rcgr,
int div, int m, int n, int source, u8 mnd_width);
void clk_rcg_set_rate(phys_addr_t base, uint32_t cmd_rcgr, int div,
int source);
static inline void qcom_gate_clk_en(const struct msm_clk_priv *priv, unsigned long id)
{
u32 val;
if (id >= priv->data->num_clks || priv->data->clks[id].reg == 0)
return;
val = readl(priv->base + priv->data->clks[id].reg);
writel(val | priv->data->clks[id].en_val, priv->base + priv->data->clks[id].reg);
}
#endif
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