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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2024 SpacemiT Technology Co. Ltd
* Copyright (c) 2024-2025 Haylen Chu <heylenay@4d2.org>
*/
#ifndef _CCU_COMMON_H_
#define _CCU_COMMON_H_
#include <linux/clk-provider.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
struct ccu_common {
struct regmap *regmap;
struct regmap *lock_regmap;
union {
/* For DDN and MIX */
struct {
u32 reg_ctrl;
u32 reg_fc;
u32 mask_fc;
};
/* For PLL */
struct {
u32 reg_swcr1;
u32 reg_swcr2;
u32 reg_swcr3;
};
};
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 spacemit_ccu_data {
const char *reset_name;
struct clk_hw **hws;
size_t num;
};
#define ccu_read(c, reg) \
({ \
u32 tmp; \
regmap_read((c)->regmap, (c)->reg_##reg, &tmp); \
tmp; \
})
#define ccu_update(c, reg, mask, val) \
regmap_update_bits((c)->regmap, (c)->reg_##reg, mask, val)
int spacemit_ccu_probe(struct platform_device *pdev, const char *compat);
#endif /* _CCU_COMMON_H_ */
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