| /* |
| * Copyright (c) 2015, The Linux Foundation. All rights reserved. |
| * |
| * This software is licensed under the terms of the GNU General Public |
| * License version 2, as published by the Free Software Foundation, and |
| * may be copied, distributed, and modified under those terms. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #ifndef __QCOM_CLK_ALPHA_PLL_H__ |
| #define __QCOM_CLK_ALPHA_PLL_H__ |
| |
| #include <linux/clk-provider.h> |
| #include "clk-regmap.h" |
| |
| struct pll_vco { |
| unsigned long min_freq; |
| unsigned long max_freq; |
| u32 val; |
| }; |
| |
| /** |
| * struct clk_alpha_pll - phase locked loop (PLL) |
| * @offset: base address of registers |
| * @vco_table: array of VCO settings |
| * @clkr: regmap clock handle |
| */ |
| struct clk_alpha_pll { |
| u32 offset; |
| |
| const struct pll_vco *vco_table; |
| size_t num_vco; |
| #define SUPPORTS_OFFLINE_REQ BIT(0) |
| #define SUPPORTS_16BIT_ALPHA BIT(1) |
| #define SUPPORTS_FSM_MODE BIT(2) |
| u8 flags; |
| |
| struct clk_regmap clkr; |
| }; |
| |
| /** |
| * struct clk_alpha_pll_postdiv - phase locked loop (PLL) post-divider |
| * @offset: base address of registers |
| * @width: width of post-divider |
| * @clkr: regmap clock handle |
| */ |
| struct clk_alpha_pll_postdiv { |
| u32 offset; |
| u8 width; |
| |
| struct clk_regmap clkr; |
| }; |
| |
| struct alpha_pll_config { |
| u32 l; |
| u32 alpha; |
| u32 config_ctl_val; |
| u32 config_ctl_hi_val; |
| u32 main_output_mask; |
| u32 aux_output_mask; |
| u32 aux2_output_mask; |
| u32 early_output_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_hwfsm_ops; |
| extern const struct clk_ops clk_alpha_pll_postdiv_ops; |
| |
| void clk_alpha_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap, |
| const struct alpha_pll_config *config); |
| |
| #endif |