diff options
author | Jason Chen <jason.chen@linaro.org> | 2011-11-29 17:23:50 +0800 |
---|---|---|
committer | Eric Miao <eric.miao@linaro.org> | 2011-11-29 17:39:12 +0800 |
commit | 50f8a14b74878a617190ae9c0bb772a290cdc7ee (patch) | |
tree | 5cfdb78cf511411d7418d78674394f30530df6a3 | |
parent | a2d8c85123cc562fe5de876c64efdf6399e6cc23 (diff) |
MXC PWM: should active during STOP/DOZE/WAIT mode
BugLink: http://launchpad.net/bugs/897122
Signed-off-by: Jason Chen <jason.chen@linaro.org>
Signed-off-by: Eric Miao <eric.miao@linaro.org>
-rw-r--r-- | arch/arm/plat-mxc/pwm.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/arm/plat-mxc/pwm.c b/arch/arm/plat-mxc/pwm.c index 5dda436ea0a..3fe1e887dfb 100644 --- a/arch/arm/plat-mxc/pwm.c +++ b/arch/arm/plat-mxc/pwm.c @@ -32,6 +32,10 @@ #define MX3_PWMSAR 0x0C /* PWM Sample Register */ #define MX3_PWMPR 0x10 /* PWM Period Register */ #define MX3_PWMCR_PRESCALER(x) (((x - 1) & 0xFFF) << 4) +#define MX3_PWMCR_STOPEN (1 << 25) +#define MX3_PWMCR_DOZEEN (1 << 24) +#define MX3_PWMCR_WAITEN (1 << 23) +#define MX3_PWMCR_DBGEN (1 << 22) #define MX3_PWMCR_CLKSRC_IPG_HIGH (2 << 16) #define MX3_PWMCR_CLKSRC_IPG (1 << 16) #define MX3_PWMCR_EN (1 << 0) @@ -78,7 +82,9 @@ int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns) writel(duty_cycles, pwm->mmio_base + MX3_PWMSAR); writel(period_cycles, pwm->mmio_base + MX3_PWMPR); - cr = MX3_PWMCR_PRESCALER(prescale) | MX3_PWMCR_EN; + cr = MX3_PWMCR_PRESCALER(prescale) | + MX3_PWMCR_STOPEN | MX3_PWMCR_DOZEEN | + MX3_PWMCR_WAITEN | MX3_PWMCR_DBGEN | MX3_PWMCR_EN; if (cpu_is_mx25()) cr |= MX3_PWMCR_CLKSRC_IPG; |