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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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