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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/clk/qcom/clk-pll.h | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/clk/qcom/clk-pll.h')
-rw-r--r-- | drivers/clk/qcom/clk-pll.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/drivers/clk/qcom/clk-pll.h b/drivers/clk/qcom/clk-pll.h new file mode 100644 index 000000000..532f5a9d2 --- /dev/null +++ b/drivers/clk/qcom/clk-pll.h @@ -0,0 +1,81 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2013, The Linux Foundation. All rights reserved. + */ + +#ifndef __QCOM_CLK_PLL_H__ +#define __QCOM_CLK_PLL_H__ + +#include <linux/clk-provider.h> +#include "clk-regmap.h" + +/** + * struct pll_freq_tbl - PLL frequency table + * @l: L value + * @m: M value + * @n: N value + * @ibits: internal values + */ +struct pll_freq_tbl { + unsigned long freq; + u16 l; + u16 m; + u16 n; + u32 ibits; +}; + +/** + * struct clk_pll - phase locked loop (PLL) + * @l_reg: L register + * @m_reg: M register + * @n_reg: N register + * @config_reg: config register + * @mode_reg: mode register + * @status_reg: status register + * @status_bit: ANDed with @status_reg to determine if PLL is enabled + * @freq_tbl: PLL frequency table + * @hw: handle between common and hardware-specific interfaces + */ +struct clk_pll { + u32 l_reg; + u32 m_reg; + u32 n_reg; + u32 config_reg; + u32 mode_reg; + u32 status_reg; + u8 status_bit; + u8 post_div_width; + u8 post_div_shift; + + const struct pll_freq_tbl *freq_tbl; + + struct clk_regmap clkr; +}; + +extern const struct clk_ops clk_pll_ops; +extern const struct clk_ops clk_pll_vote_ops; +extern const struct clk_ops clk_pll_sr2_ops; + +#define to_clk_pll(_hw) container_of(to_clk_regmap(_hw), struct clk_pll, clkr) + +struct pll_config { + u16 l; + u32 m; + u32 n; + u32 vco_val; + u32 vco_mask; + u32 pre_div_val; + u32 pre_div_mask; + u32 post_div_val; + u32 post_div_mask; + u32 mn_ena_mask; + u32 main_output_mask; + u32 aux_output_mask; +}; + +void clk_pll_configure_sr(struct clk_pll *pll, struct regmap *regmap, + const struct pll_config *config, bool fsm_mode); +void clk_pll_configure_sr_hpm_lp(struct clk_pll *pll, struct regmap *regmap, + const struct pll_config *config, bool fsm_mode); + +#endif |