[PATCH 2/2] ARM: dts: hummingboard: Setup pwm lines

[Russell King <rmk+kernel-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>]

From: Rabeeh Khoury <rabeeh-UBr1pzP51AyaMJb+Lgu22Q@public.gmane.org>

Setup pwm lines as follows -
pwm1: In case HummingBoard base carrier; this pin drives through a serial
      capacitor the mono out of the audio jack.
      In case HummingBoard pro the this pad can be reached by wiring to
      C8 capacitors on the board.
pwm2: Setup pwm2 on gpio-1 but leave the default function of the iopad as
      a gpio.
      The user can change the io pad mux in user space and therefore use
      this function on gpio-1 (pin number 7 on the 26 pin header).
pwm3,pwm4: unused

Signed-off-by: Rabeeh Khoury <rabeeh-UBr1pzP51AyaMJb+Lgu22Q@public.gmane.org>
[tweaked alias for pwm pinctrl group --rmk]
Signed-off-by: Russell King <rmk+kernel-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>
---
For acks please.

 arch/arm/boot/dts/imx6qdl-hummingboard.dtsi | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/arch/arm/boot/dts/imx6qdl-hummingboard.dtsi b/arch/arm/boot/dts/imx6qdl-hummingboard.dtsi
index 93588c987d2c..c0dc5948fa3c 100644
--- a/arch/arm/boot/dts/imx6qdl-hummingboard.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-hummingboard.dtsi
@@ -164,6 +164,10 @@
 			>;
 		};
 
+		pinctrl_hummingboard_pwm1: pwm1grp {
+			fsl,pins = <MX6QDL_PAD_DISP0_DAT8__PWM1_OUT 0x1b0b1>;
+		};
+
 		pinctrl_hummingboard_spdif: hummingboard-spdif {
 			fsl,pins = <MX6QDL_PAD_GPIO_17__SPDIF_OUT 0x13091>;
 		};
@@ -203,6 +207,25 @@
 	};
 };
 
+&pwm1 {
+	 pinctrl-names = "default";
+	 pinctrl-0 = <&pinctrl_hummingboard_pwm1>;
+	 status = "okay";
+};
+
+&pwm2 {
+	 pinctrl-names = "default";
+	 status = "okay";
+};
+
+&pwm3 {
+	status = "disabled";
+};
+
+&pwm4 {
+	status = "disabled";
+};
+
 &spdif {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_hummingboard_spdif>;
-- 
1.8.3.1

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