Commit f510c32a authored by Jerome Brunet's avatar Jerome Brunet Committed by Neil Armstrong
Browse files

clk: meson: add regmap helpers for parm 



Meson clock drivers are using struct parm to describe each field of the
clock provider. Providing helpers to access these fields with regmap
helps to keep drivers readable

Signed-off-by: default avatarJerome Brunet <jbrunet@baylibre.com>
Signed-off-by: default avatarNeil Armstrong <narmstrong@baylibre.com>
parent 2513a28c

drivers/clk/meson/clkc.h

+16 −0
Original line number Diff line number Diff line
@@ -38,6 +38,22 @@ struct parm { 
	u8	width;

};



static inline unsigned int meson_parm_read(struct regmap *map, struct parm *p)

{

	unsigned int val;



	regmap_read(map, p->reg_off, &val);

	return PARM_GET(p->width, p->shift, val);

}



static inline void meson_parm_write(struct regmap *map, struct parm *p,

				    unsigned int val)

{

	regmap_update_bits(map, p->reg_off, SETPMASK(p->width, p->shift),

			   val << p->shift);

}





struct pll_rate_table {

	unsigned long	rate;

	u16		m;