drivers/ufs/host/ufs-rockchip.h

Source file repositories/reference/linux-study-clean/drivers/ufs/host/ufs-rockchip.h

File Facts

System
Linux kernel
Corpus path
drivers/ufs/host/ufs-rockchip.h
Extension
.h
Size
3243 bytes
Lines
91
Domain
Driver Families
Bucket
drivers/ufs
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct ufs_rockchip_host {
	struct ufs_hba *hba;
	void __iomem *ufs_phy_ctrl;
	void __iomem *ufs_sys_ctrl;
	void __iomem *mphy_base;
	struct gpio_desc *rst_gpio;
	struct reset_control *rst;
	struct clk *ref_out_clk;
	struct clk_bulk_data *clks;
	uint64_t caps;
};

#define ufs_sys_writel(base, val, reg)                                    \
	writel((val), (base) + (reg))
#define ufs_sys_readl(base, reg) readl((base) + (reg))
#define ufs_sys_set_bits(base, mask, reg)                                 \
	ufs_sys_writel(                                                   \
		(base), ((mask) | (ufs_sys_readl((base), (reg)))), (reg))
#define ufs_sys_ctrl_clr_bits(base, mask, reg)                                 \
	ufs_sys_writel((base),                                            \
			    ((~(mask)) & (ufs_sys_readl((base), (reg)))), \
			    (reg))

#endif /* _UFS_ROCKCHIP_H_ */

Annotation

Implementation Notes