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>

diff --git a/arch/arm/plat-mxc/pwm.c b/arch/arm/plat-mxc/pwm.c
index 5cdbd605ac05d62f9b38715b03b437989a8d6b5c..99d060cd362254f0b949d64c4d6bae411e7cc2ec 100644 (file)
--- 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;