/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2016 Maxime Ripard. All rights reserved. */ #ifndef _COMMON_H_ #define _COMMON_H_ #include <linux/compiler.h> #include <linux/clk-provider.h> #define CCU_FEATURE_FRACTIONAL BIT(0) #define CCU_FEATURE_VARIABLE_PREDIV BIT(1) #define CCU_FEATURE_FIXED_PREDIV BIT(2) #define CCU_FEATURE_FIXED_POSTDIV BIT(3) #define CCU_FEATURE_ALL_PREDIV BIT(4) #define CCU_FEATURE_LOCK_REG BIT(5) #define CCU_FEATURE_MMC_TIMING_SWITCH BIT(6) #define CCU_FEATURE_SIGMA_DELTA_MOD BIT(7) /* MMC timing mode switch bit */ #define CCU_MMC_NEW_TIMING_MODE BIT(30) struct device_node; struct ccu_common { void __iomem *base; u16 reg; u16 lock_reg; u32 prediv; unsigned long features; spinlock_t *lock; struct clk_hw hw; }; static inline struct ccu_common *hw_to_ccu_common(struct clk_hw *hw) { return container_of(hw, struct ccu_common, hw); } struct sunxi_ccu_desc { struct ccu_common **ccu_clks; unsigned long num_ccu_clks; struct clk_hw_onecell_data *hw_clks; struct ccu_reset_map *resets; unsigned long num_resets; }; void ccu_helper_wait_for_lock(struct ccu_common *common, u32 lock); struct ccu_pll_nb { struct notifier_block clk_nb; struct ccu_common *common; u32 enable; u32 lock; }; #define to_ccu_pll_nb(_nb) container_of(_nb, struct ccu_pll_nb, clk_nb) int ccu_pll_notifier_register(struct ccu_pll_nb *pll_nb); int sunxi_ccu_probe(struct device_node *node, void __iomem *reg, const struct sunxi_ccu_desc *desc); #endif /* _COMMON_H_ */