diff options
Diffstat (limited to 'arch/arm/mach-omap2/pm.c')
| -rw-r--r-- | arch/arm/mach-omap2/pm.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/pm.c b/arch/arm/mach-omap2/pm.c index 1b94ad47b07..51b0dcdef60 100644 --- a/arch/arm/mach-omap2/pm.c +++ b/arch/arm/mach-omap2/pm.c @@ -130,6 +130,24 @@ static unsigned long omap3_l3_get_rate(struct device *dev) return dpll3_clk->rate / l3_div; } +static int omap4_mpu_set_rate(struct device *dev, unsigned long rate) +{ + int ret; + + ret = clk_set_rate(dpll1_clk, rate); + if (ret) { + dev_warn(dev, "%s: Unable to set rate to %ld\n", + __func__, rate); + return ret; + } + + return 0; +} + +static unsigned long omap4_mpu_get_rate(struct device *dev) +{ + return dpll1_clk->rate; +} /* * Build omap_devices for processors and bus. @@ -160,7 +178,14 @@ static void omap2_init_processor_devices(void) omap_device_register_dvfs_callbacks(l3_dev, omap3_l3_set_rate, omap3_l3_get_rate); + } else if (cpu_is_omap44xx()) { + dpll1_clk = clk_get(NULL, "dpll_mpu_ck"); + + if (mpu_dev) + omap_device_register_dvfs_callbacks(mpu_dev, + omap4_mpu_set_rate, omap4_mpu_get_rate); } + } /* Types of sleep_switch used in omap_set_pwrdm_state */ |