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authorJingchang Lu <b35083@freescale.com>2012-09-12 13:30:52 +0800
committerAndy Voltz <andy.voltz@timesys.com>2012-10-17 14:37:21 -0400
commit4663b72fb93a520b6455579d76ed4c1dff46fb05 (patch)
tree1ec9d7861aba631fcdf10ed42b778e27dc7e67c4
parent7535a20e4ea8d18b1f37f3cf5063573e0718f026 (diff)
ENGR00180956-1: Add FlexTimer PWM device clock for Faraday
Signed-off-by: Jingchang Lu <b35083@freescale.com>
-rw-r--r--arch/arm/mach-mvf/clock.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/arm/mach-mvf/clock.c b/arch/arm/mach-mvf/clock.c
index 29cc445fc799..9340d121d25e 100644
--- a/arch/arm/mach-mvf/clock.c
+++ b/arch/arm/mach-mvf/clock.c
@@ -1613,6 +1613,33 @@ static struct clk i2c_clk[] = {
},
};
+static int ftm_pwm_clk_enable(struct clk *pwm_clk)
+{
+ u32 reg;
+ /* enable FTM fixed and external clk */
+ reg = __raw_readl(MXC_CCM_CSCDR1);
+ reg |= (0x0F << 25);
+ __raw_writel(reg, MXC_CCM_CSCDR1);
+
+ return 0;
+}
+static void ftm_pwm_clk_disable(struct clk *pwm_clk)
+{
+ u32 reg;
+ reg = __raw_readl(MXC_CCM_CSCDR1);
+ reg &= ~(0x0F << 25);
+ __raw_writel(reg, MXC_CCM_CSCDR1);
+
+}
+
+static struct clk ftm_pwm_clk = {
+ __INIT_CLK_DEBUG(ftm_pwm_clk)
+ .parent = &ipg_clk,
+ .enable = ftm_pwm_clk_enable,
+ .disable = ftm_pwm_clk_disable,
+
+};
+
static struct clk dummy_clk = {
.id = 0,
};
@@ -1664,6 +1691,7 @@ static struct clk_lookup lookups[] = {
_REGISTER_CLOCK(NULL, "usb-clk", usb_clk),
_REGISTER_CLOCK(NULL, "mvf-usb.0", usb_phy0_clk),
_REGISTER_CLOCK(NULL, "mvf-usb.1", usb_phy1_clk),
+ _REGISTER_CLOCK(NULL, "pwm", ftm_pwm_clk),
};
static void clk_tree_init(void)