Using regmap is required for isolating the actual memory access from the clock code. Now, the driver providing the support for the clock IP block can provide a regmap for this purpose. Signed-off-by: Tero Kristo <t-kristo@xxxxxx> --- arch/arm/mach-omap2/clock.c | 27 ++++++++++++++++++++++++++- arch/arm/mach-omap2/clock.h | 3 +++ 2 files changed, 29 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c index 238be3f..1ef6df8 100644 --- a/arch/arm/mach-omap2/clock.c +++ b/arch/arm/mach-omap2/clock.c @@ -25,7 +25,7 @@ #include <linux/bitops.h> #include <linux/clk-private.h> #include <asm/cpu.h> - +#include <linux/regmap.h> #include <trace/events/power.h> @@ -56,6 +56,31 @@ u16 cpu_mask; static bool clkdm_control = true; static LIST_HEAD(clk_hw_omap_clocks); +struct regmap *clk_regmaps[CLK_MAX_REGMAPS]; + +void omap2_clk_writel(u32 val, struct clk_hw_omap *clk, void __iomem *reg) +{ + if (clk->flags & REGMAP_ADDRESSING) { + struct clk_omap_reg *r = (struct clk_omap_reg *)® + regmap_write(clk_regmaps[r->index], r->offset, val); + } else { + __raw_writel(val, reg); + } +} + +u32 omap2_clk_readl(struct clk_hw_omap *clk, void __iomem *reg) +{ + u32 val; + + if (clk->flags & REGMAP_ADDRESSING) { + struct clk_omap_reg *r = (struct clk_omap_reg *)® + regmap_read(clk_regmaps[r->index], r->offset, &val); + } else { + val = __raw_readl(reg); + } + + return val; +} /* * Used for clocks that have the same value as the parent clock, diff --git a/arch/arm/mach-omap2/clock.h b/arch/arm/mach-omap2/clock.h index cbe5ff7..9595d72 100644 --- a/arch/arm/mach-omap2/clock.h +++ b/arch/arm/mach-omap2/clock.h @@ -254,6 +254,9 @@ void omap2_clk_print_new_rates(const char *hfclkin_ck_name, const char *core_ck_name, const char *mpu_ck_name); +u32 omap2_clk_readl(struct clk_hw_omap *clk, void __iomem *reg); +void omap2_clk_writel(u32 val, struct clk_hw_omap *clk, void __iomem *reg); + extern u16 cpu_mask; extern const struct clkops clkops_omap2_dflt_wait; -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html