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authorJason Chen <jason.chen@linaro.org>2011-11-30 11:34:27 +0800
committerGreg Kroah-Hartman <gregkh@suse.de>2012-01-06 15:38:01 -0800
commitadfbc6daa5d77b68aaeb01039b74ffc857c07d8f (patch)
tree685fb5c82e95a5bbb0bd53ba631e927d4bcb1056
parent998a783b403e6dcea6bd1a3f2d221dbd84c96274 (diff)
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MXC PWM: should active during DOZE/WAIT/DBG mode
commit c0d96aed8c6dd925afe9ea35491a0cd458642a86 upstream. Signed-off-by: Jason Chen <jason.chen@linaro.org> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-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 5cdbd605ac05..99d060cd3622 100644
--- a/arch/arm/plat-mxc/pwm.c
+++ b/arch/arm/plat-mxc/pwm.c
@@ -31,6 +31,9 @@
#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)
@@ -76,7 +79,9 @@ 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;