diff options
Diffstat (limited to 'arch/sh/kernel/cpu/clock-cpg.c')
| -rw-r--r-- | arch/sh/kernel/cpu/clock-cpg.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/sh/kernel/cpu/clock-cpg.c b/arch/sh/kernel/cpu/clock-cpg.c index b78c237ab366..72228d2945ac 100644 --- a/arch/sh/kernel/cpu/clock-cpg.c +++ b/arch/sh/kernel/cpu/clock-cpg.c @@ -1,7 +1,42 @@ #include <linux/clk.h> #include <linux/compiler.h> +#include <linux/io.h> #include <asm/clock.h> +static int sh_clk_mstp32_enable(struct clk *clk) +{ + __raw_writel(__raw_readl(clk->enable_reg) & ~(1 << clk->enable_bit), + clk->enable_reg); + return 0; +} + +static void sh_clk_mstp32_disable(struct clk *clk) +{ + __raw_writel(__raw_readl(clk->enable_reg) | (1 << clk->enable_bit), + clk->enable_reg); +} + +static struct clk_ops sh_clk_mstp32_clk_ops = { + .enable = sh_clk_mstp32_enable, + .disable = sh_clk_mstp32_disable, + .recalc = followparent_recalc, +}; + +int __init sh_clk_mstp32_register(struct clk *clks, int nr) +{ + struct clk *clkp; + int ret = 0; + int k; + + for (k = 0; !ret && (k < nr); k++) { + clkp = clks + k; + clkp->ops = &sh_clk_mstp32_clk_ops; + ret |= clk_register(clkp); + } + + return ret; +} + #ifdef CONFIG_SH_CLK_CPG_LEGACY static struct clk master_clk = { .name = "master_clk", |