diff options
Diffstat (limited to 'drivers/clk/qcom/clk-alpha-pll.h')
| -rw-r--r-- | drivers/clk/qcom/clk-alpha-pll.h | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/drivers/clk/qcom/clk-alpha-pll.h b/drivers/clk/qcom/clk-alpha-pll.h new file mode 100644 index 000000000..d3201b87c --- /dev/null +++ b/drivers/clk/qcom/clk-alpha-pll.h @@ -0,0 +1,156 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (c) 2015, 2018, The Linux Foundation. All rights reserved. */ + +#ifndef __QCOM_CLK_ALPHA_PLL_H__ +#define __QCOM_CLK_ALPHA_PLL_H__ + +#include <linux/clk-provider.h> +#include "clk-regmap.h" + +/* Alpha PLL types */ +enum { + CLK_ALPHA_PLL_TYPE_DEFAULT, + CLK_ALPHA_PLL_TYPE_HUAYRA, + CLK_ALPHA_PLL_TYPE_BRAMMO, + CLK_ALPHA_PLL_TYPE_FABIA, + CLK_ALPHA_PLL_TYPE_TRION, + CLK_ALPHA_PLL_TYPE_LUCID = CLK_ALPHA_PLL_TYPE_TRION, + CLK_ALPHA_PLL_TYPE_MAX, +}; + +enum { + PLL_OFF_L_VAL, + PLL_OFF_CAL_L_VAL, + PLL_OFF_ALPHA_VAL, + PLL_OFF_ALPHA_VAL_U, + PLL_OFF_USER_CTL, + PLL_OFF_USER_CTL_U, + PLL_OFF_USER_CTL_U1, + PLL_OFF_CONFIG_CTL, + PLL_OFF_CONFIG_CTL_U, + PLL_OFF_CONFIG_CTL_U1, + PLL_OFF_TEST_CTL, + PLL_OFF_TEST_CTL_U, + PLL_OFF_TEST_CTL_U1, + PLL_OFF_STATUS, + PLL_OFF_OPMODE, + PLL_OFF_FRAC, + PLL_OFF_CAL_VAL, + PLL_OFF_MAX_REGS +}; + +extern const u8 clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_MAX][PLL_OFF_MAX_REGS]; + +struct pll_vco { + unsigned long min_freq; + unsigned long max_freq; + u32 val; +}; + +#define VCO(a, b, c) { \ + .val = a,\ + .min_freq = b,\ + .max_freq = c,\ +} + +/** + * struct clk_alpha_pll - phase locked loop (PLL) + * @offset: base address of registers + * @vco_table: array of VCO settings + * @regs: alpha pll register map (see @clk_alpha_pll_regs) + * @clkr: regmap clock handle + */ +struct clk_alpha_pll { + u32 offset; + const u8 *regs; + + const struct pll_vco *vco_table; + size_t num_vco; +#define SUPPORTS_OFFLINE_REQ BIT(0) +#define SUPPORTS_FSM_MODE BIT(2) +#define SUPPORTS_DYNAMIC_UPDATE BIT(3) + u8 flags; + + struct clk_regmap clkr; +}; + +/** + * struct clk_alpha_pll_postdiv - phase locked loop (PLL) post-divider + * @offset: base address of registers + * @regs: alpha pll register map (see @clk_alpha_pll_regs) + * @width: width of post-divider + * @post_div_shift: shift to differentiate between odd & even post-divider + * @post_div_table: table with PLL odd and even post-divider settings + * @num_post_div: Number of PLL post-divider settings + * + * @clkr: regmap clock handle + */ +struct clk_alpha_pll_postdiv { + u32 offset; + u8 width; + const u8 *regs; + + struct clk_regmap clkr; + int post_div_shift; + const struct clk_div_table *post_div_table; + size_t num_post_div; +}; + +struct alpha_pll_config { + u32 l; + u32 alpha; + u32 alpha_hi; + u32 config_ctl_val; + u32 config_ctl_hi_val; + u32 config_ctl_hi1_val; + u32 user_ctl_val; + u32 user_ctl_hi_val; + u32 user_ctl_hi1_val; + u32 test_ctl_val; + u32 test_ctl_hi_val; + u32 test_ctl_hi1_val; + u32 main_output_mask; + u32 aux_output_mask; + u32 aux2_output_mask; + u32 early_output_mask; + u32 alpha_en_mask; + u32 alpha_mode_mask; + u32 pre_div_val; + u32 pre_div_mask; + u32 post_div_val; + u32 post_div_mask; + u32 vco_val; + u32 vco_mask; +}; + +extern const struct clk_ops clk_alpha_pll_ops; +extern const struct clk_ops clk_alpha_pll_fixed_ops; +extern const struct clk_ops clk_alpha_pll_hwfsm_ops; +extern const struct clk_ops clk_alpha_pll_postdiv_ops; +extern const struct clk_ops clk_alpha_pll_huayra_ops; +extern const struct clk_ops clk_alpha_pll_postdiv_ro_ops; + +extern const struct clk_ops clk_alpha_pll_fabia_ops; +extern const struct clk_ops clk_alpha_pll_fixed_fabia_ops; +extern const struct clk_ops clk_alpha_pll_postdiv_fabia_ops; + +extern const struct clk_ops clk_alpha_pll_trion_ops; +extern const struct clk_ops clk_alpha_pll_fixed_trion_ops; +extern const struct clk_ops clk_alpha_pll_postdiv_trion_ops; + +extern const struct clk_ops clk_alpha_pll_lucid_ops; +#define clk_alpha_pll_fixed_lucid_ops clk_alpha_pll_fixed_trion_ops +extern const struct clk_ops clk_alpha_pll_postdiv_lucid_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, + const struct alpha_pll_config *config); +void clk_trion_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap, + const struct alpha_pll_config *config); +#define clk_lucid_pll_configure(pll, regmap, config) \ + clk_trion_pll_configure(pll, regmap, config) + + + +#endif |