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authorJason Chen <jason.chen@linaro.org>2011-11-30 11:34:27 +0800
committerSascha Hauer <s.hauer@pengutronix.de>2011-12-09 11:00:49 +0100
commitc0d96aed8c6dd925afe9ea35491a0cd458642a86 (patch)
treec1b14f9a60b2ef4a3d8dffabd7327e70b2148cd8 /arch/arm
parent5611cc4572e889b62a7b4c72a413536bf6a9c416 (diff)
downloadlinux-c0d96aed8c6dd925afe9ea35491a0cd458642a86.tar.gz
MXC PWM: should active during DOZE/WAIT/DBG mode
Signed-off-by: Jason Chen <jason.chen@linaro.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Cc: stable@kernel.org
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/plat-mxc/pwm.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/arm/plat-mxc/pwm.c b/arch/arm/plat-mxc/pwm.c
index 42d74ea59084..845de59f07ed 100644
--- a/arch/arm/plat-mxc/pwm.c
+++ b/arch/arm/plat-mxc/pwm.c
@@ -32,6 +32,9 @@
 #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_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)
@@ -77,7 +80,9 @@ 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_DOZEEN | MX3_PWMCR_WAITEN |
+			MX3_PWMCR_DBGEN | MX3_PWMCR_EN;
 
 		if (cpu_is_mx25())
 			cr |= MX3_PWMCR_CLKSRC_IPG;