linux-kernel - [PATCH 1/2] ARM: dts: exynos: Use macro for PWM signal polarity in Exynos4 boards

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Date:   Thu, 27 Oct 2016 14:47:17 -0300
From:   Javier Martinez Canillas <javier@....samsung.com>
To:     linux-kernel@...r.kernel.org
Cc:     Javier Martinez Canillas <javier@....samsung.com>,
        devicetree@...r.kernel.org, Kukjin Kim <kgene@...nel.org>,
        Russell King <linux@...linux.org.uk>,
        linux-samsung-soc@...r.kernel.org,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCH 1/2] ARM: dts: exynos: Use macro for PWM signal polarity in Exynos4 boards

Using the PWM_POLARITY_INVERTED macro instead of the hardcoded number
0 makes the DTS easier to read.

Signed-off-by: Javier Martinez Canillas <javier@....samsung.com>
---

 arch/arm/boot/dts/exynos4412-odroidu3.dts | 3 ++-
 arch/arm/boot/dts/exynos4412-trats2.dts   | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/exynos4412-odroidu3.dts b/arch/arm/boot/dts/exynos4412-odroidu3.dts
index 99634c54dca9..480a80624b77 100644
--- a/arch/arm/boot/dts/exynos4412-odroidu3.dts
+++ b/arch/arm/boot/dts/exynos4412-odroidu3.dts
@@ -12,6 +12,7 @@
 */
 
 /dts-v1/;
+#include <dt-bindings/pwm/pwm.h>
 #include "exynos4412-odroid-common.dtsi"
 
 / {
@@ -35,7 +36,7 @@
 
 	fan0: pwm-fan {
 		compatible = "pwm-fan";
-		pwms = <&pwm 0 10000 0>;
+		pwms = <&pwm 0 10000 PWM_POLARITY_INVERTED>;
 		cooling-min-state = <0>;
 		cooling-max-state = <3>;
 		#cooling-cells = <2>;
diff --git a/arch/arm/boot/dts/exynos4412-trats2.dts b/arch/arm/boot/dts/exynos4412-trats2.dts
index 41ecd6d465a7..63ad30507d4f 100644
--- a/arch/arm/boot/dts/exynos4412-trats2.dts
+++ b/arch/arm/boot/dts/exynos4412-trats2.dts
@@ -18,6 +18,7 @@
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/clock/maxim,max77686.h>
+#include <dt-bindings/pwm/pwm.h>
 
 / {
 	model = "Samsung Trats 2 based on Exynos4412";
@@ -164,7 +165,7 @@
 			max77693_haptic {
 				compatible = "maxim,max77693-haptic";
 				haptic-supply = <&ldo26_reg>;
-				pwms = <&pwm 0 38022 0>;
+				pwms = <&pwm 0 38022 PWM_POLARITY_INVERTED>;
 			};
 
 			charger {
-- 
2.7.4