/* SPDX-License-Identifier: GPL-2.0 */ /* Copyright (c) 2013, The Linux Foundation. All rights reserved. */ #ifndef __QCOM_CLK_BRANCH_H__ #define __QCOM_CLK_BRANCH_H__ #include <linux/bitfield.h> #include <linux/clk-provider.h> #include "clk-regmap.h" /** * struct clk_branch - gating clock with status bit and dynamic hardware gating * * @hwcg_reg: dynamic hardware clock gating register * @hwcg_bit: ORed with @hwcg_reg to enable dynamic hardware clock gating * @halt_reg: halt register * @halt_bit: ANDed with @halt_reg to test for clock halted * @halt_check: type of halt checking to perform * @clkr: handle between common and hardware-specific interfaces * * Clock which can gate its output. */ struct clk_branch { … }; /** * struct clk_mem_branch - gating clock which are associated with memories * * @mem_enable_reg: branch clock memory gating register * @mem_ack_reg: branch clock memory ack register * @mem_enable_ack_mask: branch clock memory enable and ack field in @mem_ack_reg * @branch: branch clock gating handle * * Clock which can gate its memories. */ struct clk_mem_branch { … }; /* Branch clock common bits for HLOS-owned clocks */ #define CBCR_CLK_OFF … #define CBCR_NOC_FSM_STATUS … #define FSM_STATUS_ON … #define CBCR_FORCE_MEM_CORE_ON … #define CBCR_FORCE_MEM_PERIPH_ON … #define CBCR_FORCE_MEM_PERIPH_OFF … #define CBCR_WAKEUP … #define CBCR_SLEEP … #define CBCR_CLOCK_ENABLE … static inline void qcom_branch_set_force_mem_core(struct regmap *regmap, struct clk_branch clk, bool on) { … } static inline void qcom_branch_set_force_periph_on(struct regmap *regmap, struct clk_branch clk, bool on) { … } static inline void qcom_branch_set_force_periph_off(struct regmap *regmap, struct clk_branch clk, bool on) { … } static inline void qcom_branch_set_wakeup(struct regmap *regmap, struct clk_branch clk, u32 val) { … } static inline void qcom_branch_set_sleep(struct regmap *regmap, struct clk_branch clk, u32 val) { … } static inline void qcom_branch_set_clk_en(struct regmap *regmap, u32 cbcr) { … } extern const struct clk_ops clk_branch_ops; extern const struct clk_ops clk_branch2_ops; extern const struct clk_ops clk_branch_simple_ops; extern const struct clk_ops clk_branch2_aon_ops; extern const struct clk_ops clk_branch2_mem_ops; extern const struct clk_ops clk_branch2_prepare_ops; #define to_clk_branch(_hw) … #define to_clk_mem_branch(_hw) … #endif
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