diff options
Diffstat (limited to 'drivers/clk/spacemit/ccu_common.h')
| -rw-r--r-- | drivers/clk/spacemit/ccu_common.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/drivers/clk/spacemit/ccu_common.h b/drivers/clk/spacemit/ccu_common.h new file mode 100644 index 000000000000..da72f3836e0b --- /dev/null +++ b/drivers/clk/spacemit/ccu_common.h @@ -0,0 +1,48 @@ +/* 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/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_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); +} + +#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) + +#endif /* _CCU_COMMON_H_ */ |