[PATCH 0/2] AM654: Add ECAP PWM support

[PATCH 0/2] AM654: Add ECAP PWM support

[Vignesh R]

Couple of patches to add ECAP PWM support for AM654 SoC. Based on top of
git://git.kernel.org/pub/scm/linux/kernel/git/kristo/linux.git 4.20-rc1-am65x-queue

Vignesh R (2):
  arm64: dts: ti: k3-am65-main: Add ECAP PWM node
  arm64: dts: ti: k3-am654-base-board: Enable ECAP PWM

 arch/arm64/boot/dts/ti/k3-am65-main.dtsi       |  9 +++++++++
 arch/arm64/boot/dts/ti/k3-am654-base-board.dts | 11 +++++++++++
 2 files changed, 20 insertions(+)

-- 
2.19.2

[PATCH 1/2] arm64: dts: ti: k3-am65-main: Add ECAP PWM node

[Vignesh R]

Add DT entry for ECAP0 PWM node present in main domain

Signed-off-by: Vignesh R <vigneshr@ti.com>
---
 arch/arm64/boot/dts/ti/k3-am65-main.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
index 916434839603..0a0a8fc5df64 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
@@ -129,4 +129,13 @@
 		clocks = <&k3_clks 113 1>;
 		power-domains = <&k3_pds 113>;
 	};
+
+	ecap0: pwm@3100000 {
+		compatible = "ti,am654-ecap", "ti,am3352-ecap";
+		#pwm-cells = <3>;
+		reg = <0x0 0x03100000 0x0 0x60>;
+		power-domains = <&k3_pds 39>;
+		clocks = <&k3_clks 39 0>;
+		clock-names = "fck";
+	};
 };
-- 
2.19.2

[PATCH 2/2] arm64: dts: ti: k3-am654-base-board: Enable ECAP PWM

[Vignesh R]

Enable ECAP PWM which is used for LCD backlight.

Signed-off-by: Vignesh R <vigneshr@ti.com>
---
 arch/arm64/boot/dts/ti/k3-am654-base-board.dts | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
index bd5a0069191d..49ec2c3f5ef1 100644
--- a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
@@ -76,6 +76,12 @@
 			AM65X_IOPAD(0x000c, PIN_INPUT, 0) /* (E21) I2C1_SDA */
 		>;
 	};
+
+	ecap0_pins_default: ecap0-pins-default {
+		pinctrl-single,pins = <
+			AM65X_IOPAD(0x0010, PIN_INPUT, 0) /* (D21) ECAP0_IN_APWM_OUT */
+		>;
+	};
 };
 
 &wkup_uart0 {
@@ -125,3 +131,8 @@
 	pinctrl-0 = <&main_i2c2_pins_default>;
 	clock-frequency = <400000>;
 };
+
+&ecap0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&ecap0_pins_default>;
+};
-- 
2.19.2