diff options
Diffstat (limited to 'arch/arm/mach-imx')
| -rw-r--r-- | arch/arm/mach-imx/cpuidle-imx6sx.c | 9 | ||||
| -rw-r--r-- | arch/arm/mach-imx/pm-imx6.c | 25 |
2 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/cpuidle-imx6sx.c b/arch/arm/mach-imx/cpuidle-imx6sx.c index b16bee20fa14..534e47ff037b 100644 --- a/arch/arm/mach-imx/cpuidle-imx6sx.c +++ b/arch/arm/mach-imx/cpuidle-imx6sx.c @@ -233,6 +233,15 @@ int __init imx6sx_cpuidle_init(void) #endif imx6_set_int_mem_clk_lpm(true); + imx6_enable_rbc(false); + /* + * set ARM power up/down timing to the fastest, + * sw2iso and sw can be set to one 32K cycle = 31us + * except for power up sw2iso which need to be + * larger than LDO ramp up time. + */ + imx_gpc_set_arm_power_up_timing(0xf, 1); + imx_gpc_set_arm_power_down_timing(1, 1); if (imx_get_soc_revision() >= IMX_CHIP_REVISION_1_2) { /* diff --git a/arch/arm/mach-imx/pm-imx6.c b/arch/arm/mach-imx/pm-imx6.c index 2a2cce689b6f..8fd1f7188725 100644 --- a/arch/arm/mach-imx/pm-imx6.c +++ b/arch/arm/mach-imx/pm-imx6.c @@ -1276,6 +1276,28 @@ static void __init imx6_pm_common_init(const struct imx6_pm_socdata IMX6Q_GPR1_GINT); } +static void imx6_pm_stby_poweroff(void) +{ + imx6_set_lpm(STOP_POWER_OFF); + imx6q_suspend_finish(0); + + mdelay(1000); + + pr_emerg("Unable to poweroff system\n"); +} + +static int imx6_pm_stby_poweroff_probe(void) +{ + if (pm_power_off) { + pr_warn("%s: pm_power_off already claimed %p %pf!\n", + __func__, pm_power_off, pm_power_off); + return -EBUSY; + } + + pm_power_off = imx6_pm_stby_poweroff; + return 0; +} + void __init imx6_pm_ccm_init(const char *ccm_compat) { struct device_node *np; @@ -1292,6 +1314,9 @@ void __init imx6_pm_ccm_init(const char *ccm_compat) val = readl_relaxed(ccm_base + CLPCR); val &= ~BM_CLPCR_LPM; writel_relaxed(val, ccm_base + CLPCR); + + if (of_property_read_bool(np, "fsl,pmic-stby-poweroff")) + imx6_pm_stby_poweroff_probe(); } void imx6_stop_mode_poweroff(void) |