linux-kernel - [PATCH 3/4] ARM: sun7i: dt: add PWM support

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Message-Id: <1396267649-18009-4-git-send-email-alexandre.belloni@free-electrons.com>
Date:	Mon, 31 Mar 2014 14:07:28 +0200
From:	Alexandre Belloni <alexandre.belloni@...e-electrons.com>
To:	Thierry Reding <thierry.reding@...il.com>,
	Maxime Ripard <maxime.ripard@...e-electrons.com>
Cc:	linux-pwm@...r.kernel.org, linux-doc@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>
Subject: [PATCH 3/4] ARM: sun7i: dt: add PWM support

Adds the PWM bindings for the Allwinner A20.
Also adds the pinctrl descriptions for both PWM channels.

Signed-off-by: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
---
 arch/arm/boot/dts/sun7i-a20.dtsi | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi
index 6f25cf559ad0..0dd15fcb8955 100644
--- a/arch/arm/boot/dts/sun7i-a20.dtsi
+++ b/arch/arm/boot/dts/sun7i-a20.dtsi
@@ -366,6 +366,20 @@
 			#size-cells = <0>;
 			#gpio-cells = <3>;
 
+			pwm0_pins_a: pwm0@0 {
+				allwinner,pins = "PB2";
+				allwinner,function = "pwm";
+				allwinner,drive = <0>;
+				allwinner,pull = <0>;
+			};
+
+			pwm1_pins_a: pwm1@0 {
+				allwinner,pins = "PI3";
+				allwinner,function = "pwm";
+				allwinner,drive = <0>;
+				allwinner,pull = <0>;
+			};
+
 			uart0_pins_a: uart0@0 {
 				allwinner,pins = "PB22", "PB23";
 				allwinner,function = "uart0";
@@ -446,6 +460,14 @@
 			clocks = <&osc24M>;
 		};
 
+		pwm: pwm@...20e00 {
+			compatible = "allwinner,sun7i-pwm";
+			reg = <0x01c20e00 0xc>;
+			clocks = <&osc24M>;
+			#pwm-cells = <3>;
+			status = "disabled";
+		};
+
 		wdt: watchdog@...20c90 {
 			compatible = "allwinner,sun4i-wdt";
 			reg = <0x01c20c90 0x10>;
-- 
1.8.3.2

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