diff options
Diffstat (limited to 'drivers/clk/qcom/clk-alpha-pll.c')
| -rw-r--r-- | drivers/clk/qcom/clk-alpha-pll.c | 80 |
1 files changed, 75 insertions, 5 deletions
diff --git a/drivers/clk/qcom/clk-alpha-pll.c b/drivers/clk/qcom/clk-alpha-pll.c index 493cde7964f8..c48e8d14ab6c 100644 --- a/drivers/clk/qcom/clk-alpha-pll.c +++ b/drivers/clk/qcom/clk-alpha-pll.c @@ -154,6 +154,18 @@ 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); @@ -1441,7 +1453,7 @@ const struct clk_ops clk_alpha_pll_postdiv_fabia_ops = { EXPORT_SYMBOL_GPL(clk_alpha_pll_postdiv_fabia_ops); /** - * clk_lucid_pll_configure - configure the lucid pll + * clk_trion_pll_configure - configure the trion pll * * @pll: clk alpha pll * @regmap: register map @@ -1825,7 +1837,7 @@ const struct clk_ops clk_alpha_pll_lucid_5lpe_ops = { .round_rate = clk_alpha_pll_round_rate, .set_rate = alpha_pll_lucid_5lpe_set_rate, }; -EXPORT_SYMBOL(clk_alpha_pll_lucid_5lpe_ops); +EXPORT_SYMBOL_GPL(clk_alpha_pll_lucid_5lpe_ops); const struct clk_ops clk_alpha_pll_fixed_lucid_5lpe_ops = { .enable = alpha_pll_lucid_5lpe_enable, @@ -1834,14 +1846,14 @@ const struct clk_ops clk_alpha_pll_fixed_lucid_5lpe_ops = { .recalc_rate = clk_trion_pll_recalc_rate, .round_rate = clk_alpha_pll_round_rate, }; -EXPORT_SYMBOL(clk_alpha_pll_fixed_lucid_5lpe_ops); +EXPORT_SYMBOL_GPL(clk_alpha_pll_fixed_lucid_5lpe_ops); const struct clk_ops clk_alpha_pll_postdiv_lucid_5lpe_ops = { .recalc_rate = clk_alpha_pll_postdiv_fabia_recalc_rate, .round_rate = clk_alpha_pll_postdiv_fabia_round_rate, .set_rate = clk_lucid_5lpe_pll_postdiv_set_rate, }; -EXPORT_SYMBOL(clk_alpha_pll_postdiv_lucid_5lpe_ops); +EXPORT_SYMBOL_GPL(clk_alpha_pll_postdiv_lucid_5lpe_ops); void clk_zonda_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap, const struct alpha_pll_config *config) @@ -1994,7 +2006,7 @@ const struct clk_ops clk_alpha_pll_zonda_ops = { .round_rate = clk_alpha_pll_round_rate, .set_rate = clk_zonda_pll_set_rate, }; -EXPORT_SYMBOL(clk_alpha_pll_zonda_ops); +EXPORT_SYMBOL_GPL(clk_alpha_pll_zonda_ops); void clk_lucid_evo_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap, const struct alpha_pll_config *config) @@ -2213,3 +2225,61 @@ const struct clk_ops clk_alpha_pll_reset_lucid_evo_ops = { .set_rate = alpha_pll_lucid_5lpe_set_rate, }; EXPORT_SYMBOL_GPL(clk_alpha_pll_reset_lucid_evo_ops); + +void clk_rivian_evo_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap, + const struct alpha_pll_config *config) +{ + clk_alpha_pll_write_config(regmap, PLL_CONFIG_CTL(pll), config->config_ctl_val); + clk_alpha_pll_write_config(regmap, PLL_CONFIG_CTL_U(pll), config->config_ctl_hi_val); + clk_alpha_pll_write_config(regmap, PLL_CONFIG_CTL_U1(pll), config->config_ctl_hi1_val); + clk_alpha_pll_write_config(regmap, PLL_TEST_CTL(pll), config->test_ctl_val); + clk_alpha_pll_write_config(regmap, PLL_TEST_CTL_U(pll), config->test_ctl_hi_val); + clk_alpha_pll_write_config(regmap, PLL_L_VAL(pll), config->l); + clk_alpha_pll_write_config(regmap, PLL_USER_CTL(pll), config->user_ctl_val); + clk_alpha_pll_write_config(regmap, PLL_USER_CTL_U(pll), config->user_ctl_hi_val); + + regmap_write(regmap, PLL_OPMODE(pll), PLL_STANDBY); + + regmap_update_bits(regmap, PLL_MODE(pll), + PLL_RESET_N | PLL_BYPASSNL | PLL_OUTCTRL, + PLL_RESET_N | PLL_BYPASSNL); +} +EXPORT_SYMBOL_GPL(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); + unsigned long min_freq, max_freq; + u32 l; + u64 a; + + 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); +} + +const struct clk_ops clk_alpha_pll_rivian_evo_ops = { + .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, +}; +EXPORT_SYMBOL_GPL(clk_alpha_pll_rivian_evo_ops); |