[PATCH v2 12/19] clk: meson: add regmap helpers for parm

[Jerome Brunet]

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: Jerome Brunet <jbru...@baylibre.com>
---
 drivers/clk/meson/clkc.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/drivers/clk/meson/clkc.h b/drivers/clk/meson/clkc.h
index aa2dfa0ff89f..8edc25297422 100644
--- a/drivers/clk/meson/clkc.h
+++ b/drivers/clk/meson/clkc.h
@@ -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;
-- 
2.14.3