EHRPWM module requires explicit clock gating from control module.
Hence add clock node in clock tree for EHRPWM modules.
Signed-off-by: Philip, Avinash <avinashphilip@xxxxxx>
---
:100644 100644 1a45d6b... 08b21d2... M arch/arm/mach-omap2/clock33xx_data.c
:100644 100644 a89e825... c0e34e6... M arch/arm/mach-omap2/control.h
arch/arm/mach-omap2/clock33xx_data.c | 37 ++++++++++++++++++++++++++++++++++
arch/arm/mach-omap2/control.h | 8 +++++++
2 files changed, 45 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/clock33xx_data.c b/arch/arm/mach-omap2/clock33xx_data.c
index 1a45d6b..08b21d2 100644
--- a/arch/arm/mach-omap2/clock33xx_data.c
+++ b/arch/arm/mach-omap2/clock33xx_data.c
@@ -996,6 +996,40 @@ static struct clk wdt1_fck = {
};
/*
+ * PWMSS Time based module clock node. This node is
+ * requred to enable clock gating for EHRPWM TBCLK.
+ */
+static struct clk ehrpwm0_tbclk = {
+ .name = "ehrpwm0_tbclk",
+ .clkdm_name = "l4ls_clkdm",
+ .enable_reg = AM33XX_CTRL_REGADDR(AM33XX_PWMSS_TBCLK_CLKCTRL),
+ .enable_bit = AM33XX_PWMSS0_TBCLKEN_SHIFT,
+ .ops = &clkops_omap2_dflt,
+ .parent = &l4ls_gclk,
+ .recalc = &followparent_recalc,
+};
+
+static struct clk ehrpwm1_tbclk = {
+ .name = "ehrpwm1_tbclk",
+ .clkdm_name = "l4ls_clkdm",
+ .enable_reg = AM33XX_CTRL_REGADDR(AM33XX_PWMSS_TBCLK_CLKCTRL),
+ .enable_bit = AM33XX_PWMSS1_TBCLKEN_SHIFT,
+ .ops = &clkops_omap2_dflt,
+ .parent = &l4ls_gclk,
+ .recalc = &followparent_recalc,
+};
+
+static struct clk ehrpwm2_tbclk = {
+ .name = "ehrpwm2_tbclk",
+ .clkdm_name = "l4ls_clkdm",
+ .enable_reg = AM33XX_CTRL_REGADDR(AM33XX_PWMSS_TBCLK_CLKCTRL),
+ .enable_bit = AM33XX_PWMSS2_TBCLKEN_SHIFT,
+ .ops = &clkops_omap2_dflt,
+ .parent = &l4ls_gclk,
+ .recalc = &followparent_recalc,
+};
+
+/*
* clkdev
*/
static struct omap_clk am33xx_clks[] = {
@@ -1075,6 +1109,9 @@ static struct omap_clk am33xx_clks[] = {
CLK(NULL, "clkout2_ck", &clkout2_ck, CK_AM33XX),
CLK(NULL, "timer_32k_ck", &clkdiv32k_ick, CK_AM33XX),
CLK(NULL, "timer_sys_ck", &sys_clkin_ck, CK_AM33XX),
+ CLK(NULL, "ehrpwm0_tbclk", &ehrpwm0_tbclk, CK_AM33XX),
+ CLK(NULL, "ehrpwm1_tbclk", &ehrpwm1_tbclk, CK_AM33XX),
+ CLK(NULL, "ehrpwm2_tbclk", &ehrpwm2_tbclk, CK_AM33XX),
};
int __init am33xx_clk_init(void)
diff --git a/arch/arm/mach-omap2/control.h b/arch/arm/mach-omap2/control.h
index a89e825..c0e34e6 100644
--- a/arch/arm/mach-omap2/control.h
+++ b/arch/arm/mach-omap2/control.h
@@ -357,6 +357,14 @@
#define AM33XX_CONTROL_STATUS_SYSBOOT1_WIDTH 0x2
#define AM33XX_CONTROL_STATUS_SYSBOOT1_MASK (0x3 << 22)
+/* AM33XX PWMSS Control register */
+#define AM33XX_PWMSS_TBCLK_CLKCTRL 0x664
+
+/* AM33XX PWMSS Control bitfields */
+#define AM33XX_PWMSS0_TBCLKEN_SHIFT 0
+#define AM33XX_PWMSS1_TBCLKEN_SHIFT 1
+#define AM33XX_PWMSS2_TBCLKEN_SHIFT 2
+
/* CONTROL OMAP STATUS register to identify OMAP3 features */
#define OMAP3_CONTROL_OMAP_STATUS 0x044c
--
1.7.0.4
--
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