diff --git a/drivers/clk/qcom/clk-alpha-pll.c b/drivers/clk/qcom/clk-alpha-pll.c index 96bbd2b6f467..cb6abf80d1c9 100644 --- a/drivers/clk/qcom/clk-alpha-pll.c +++ b/drivers/clk/qcom/clk-alpha-pll.c @@ -184,6 +184,18 @@ const u8 clk_alpha_pll_regs[][PLL_OFF_MAX_REGS] = { [PLL_OFF_TEST_CTL_U] = 0x30, [PLL_OFF_TEST_CTL_U1] = 0x34, }, + [CLK_ALPHA_PLL_TYPE_RIVIAN_EVO] = { + [PLL_OFF_OPMODE] = 0x04, + [PLL_OFF_STATUS] = 0x0c, + [PLL_OFF_L_VAL] = 0x10, + [PLL_OFF_USER_CTL] = 0x14, + [PLL_OFF_USER_CTL_U] = 0x18, + [PLL_OFF_CONFIG_CTL] = 0x1c, + [PLL_OFF_CONFIG_CTL_U] = 0x20, + [PLL_OFF_CONFIG_CTL_U1] = 0x24, + [PLL_OFF_TEST_CTL] = 0x28, + [PLL_OFF_TEST_CTL_U] = 0x2c, + }, }; EXPORT_SYMBOL_GPL(clk_alpha_pll_regs); @@ -3386,3 +3398,140 @@ const struct clk_ops clk_alpha_pll_lucid_evo_ops = { .init = clk_lucid_evo_pll_init, }; EXPORT_SYMBOL(clk_alpha_pll_lucid_evo_ops); + +int clk_rivian_evo_pll_configure(struct clk_alpha_pll *pll, + struct regmap *regmap, const struct alpha_pll_config *config) +{ + u32 mask; + int ret; + + ret = trion_pll_is_enabled(pll, regmap); + if (ret) + return ret; + + if (config->config_ctl_val) + ret |= regmap_write(regmap, PLL_CONFIG_CTL(pll), + config->config_ctl_val); + + if (config->config_ctl_hi_val) + ret |= regmap_write(regmap, PLL_CONFIG_CTL_U(pll), + config->config_ctl_hi_val); + + if (config->config_ctl_hi1_val) + ret |= regmap_write(regmap, PLL_CONFIG_CTL_U1(pll), + config->config_ctl_hi1_val); + + if (config->test_ctl_val) + ret |= regmap_write(regmap, PLL_TEST_CTL(pll), + config->test_ctl_val); + + if (config->test_ctl_hi_val) + ret |= regmap_write(regmap, PLL_TEST_CTL_U(pll), + config->test_ctl_hi_val); + + if (config->l) + ret |= regmap_write(regmap, PLL_L_VAL(pll), config->l); + + if (config->user_ctl_val) + ret |= regmap_write(regmap, PLL_USER_CTL(pll), + config->user_ctl_val); + + if (config->user_ctl_hi_val) + ret |= regmap_write(regmap, PLL_USER_CTL_U(pll), + config->user_ctl_hi_val); + + /* pll_opmode to STANDBY */ + ret |= regmap_write(regmap, PLL_OPMODE(pll), PLL_STANDBY); + + mask = PLL_RESET_N | PLL_BYPASSNL; + ret |= regmap_update_bits(regmap, PLL_MODE(pll), mask, mask); + + return ret ? -EIO : 0; +} +EXPORT_SYMBOL(clk_rivian_evo_pll_configure); + +static unsigned long +clk_rivian_evo_pll_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) +{ + struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); + u32 l; + + regmap_read(pll->clkr.regmap, PLL_L_VAL(pll), &l); + + return parent_rate * l; +} + +static long clk_rivian_evo_pll_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) +{ + struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); + u32 l; + u64 a; + unsigned long min_freq, max_freq; + + rate = alpha_pll_round_rate(rate, *prate, &l, &a, 0); + if (!pll->vco_table || alpha_pll_find_vco(pll, rate)) + return rate; + + min_freq = pll->vco_table[0].min_freq; + max_freq = pll->vco_table[pll->num_vco - 1].max_freq; + + return clamp(rate, min_freq, max_freq); +} + +static void clk_rivian_evo_pll_list_registers(struct seq_file *f, struct clk_hw *hw) +{ + struct clk_alpha_pll *pll = to_clk_alpha_pll(hw); + int size, i, val; + + static struct clk_register_data data[] = { + {"PLL_MODE", PLL_OFF_MODE}, + {"PLL_OPMODE", PLL_OFF_OPMODE}, + {"PLL_STATUS", PLL_OFF_STATUS}, + {"PLL_L_VAL", PLL_OFF_L_VAL}, + {"PLL_USER_CTL", PLL_OFF_USER_CTL}, + {"PLL_USER_CTL_U", PLL_OFF_USER_CTL_U}, + {"PLL_CONFIG_CTL", PLL_OFF_CONFIG_CTL}, + {"PLL_CONFIG_CTL_U", PLL_OFF_CONFIG_CTL_U}, + {"PLL_CONFIG_CTL_U1", PLL_OFF_CONFIG_CTL_U1}, + {"PLL_TEST_CTL", PLL_OFF_TEST_CTL}, + {"PLL_TEST_CTL_U", PLL_OFF_TEST_CTL_U}, + }; + + size = ARRAY_SIZE(data); + + for (i = 0; i < size; i++) { + regmap_read(pll->clkr.regmap, pll->offset + + pll->regs[data[i].offset], &val); + clock_debug_output(f, "%20s: 0x%.8x\n", data[i].name, val); + } +} + +static struct clk_regmap_ops clk_rivian_evo_pll_regmap_ops = { + .list_registers = &clk_rivian_evo_pll_list_registers, +}; + +static int clk_rivian_evo_pll_init(struct clk_hw *hw) +{ + struct clk_regmap *rclk = to_clk_regmap(hw); + + if (!rclk->ops) + rclk->ops = &clk_rivian_evo_pll_regmap_ops; + + return 0; +} + +const struct clk_ops clk_alpha_pll_rivian_evo_ops = { + .prepare = clk_prepare_regmap, + .unprepare = clk_unprepare_regmap, + .pre_rate_change = clk_pre_change_regmap, + .post_rate_change = clk_post_change_regmap, + .enable = alpha_pll_lucid_5lpe_enable, + .disable = alpha_pll_lucid_5lpe_disable, + .is_enabled = clk_trion_pll_is_enabled, + .recalc_rate = clk_rivian_evo_pll_recalc_rate, + .round_rate = clk_rivian_evo_pll_round_rate, + .debug_init = clk_common_debug_init, + .init = clk_rivian_evo_pll_init, +}; +EXPORT_SYMBOL(clk_alpha_pll_rivian_evo_ops); diff --git a/drivers/clk/qcom/clk-alpha-pll.h b/drivers/clk/qcom/clk-alpha-pll.h index 439ff70c67a1..2a822fe211ba 100644 --- a/drivers/clk/qcom/clk-alpha-pll.h +++ b/drivers/clk/qcom/clk-alpha-pll.h @@ -20,6 +20,7 @@ enum { CLK_ALPHA_PLL_TYPE_ZONDA_5LPE, CLK_ALPHA_PLL_TYPE_REGERA, CLK_ALPHA_PLL_TYPE_LUCID_EVO, + CLK_ALPHA_PLL_TYPE_RIVIAN_EVO, CLK_ALPHA_PLL_TYPE_MAX, }; @@ -169,6 +170,8 @@ extern const struct clk_ops clk_alpha_pll_lucid_evo_ops; extern const struct clk_ops clk_alpha_pll_fixed_lucid_evo_ops; extern const struct clk_ops clk_alpha_pll_postdiv_lucid_evo_ops; +extern const struct clk_ops clk_alpha_pll_rivian_evo_ops; + void clk_alpha_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap, const struct alpha_pll_config *config); void clk_fabia_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap, @@ -190,4 +193,7 @@ int clk_regera_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap, int clk_lucid_evo_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap, const struct alpha_pll_config *config); +int clk_rivian_evo_pll_configure(struct clk_alpha_pll *pll, + struct regmap *regmap, + const struct alpha_pll_config *config); #endif