linux-kernel - [PATCH V3] ARM: dts: imx6q-logicpd: Fix broken PWM

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Message-Id: <20200819195944.2866832-1-aford173@gmail.com>
Date:   Wed, 19 Aug 2020 14:59:44 -0500
From:   Adam Ford <aford173@...il.com>
To:     linux-arm-kernel@...ts.infradead.org
Cc:     aford@...conembedded.com, Adam Ford <aford173@...il.com>,
        Fabio Estevam <festevam@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        NXP Linux Team <linux-imx@....com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH V3] ARM: dts: imx6q-logicpd: Fix broken PWM

The DTC doesn't like the default PWM settings, because it's expecting
three cells.  This patch reduces adds the extra entry of 0 to the PWM
reference.

Fixes:  fa28d8212ede ("ARM: dts: imx: default to #pwm-cells = <3> in the SoC dtsi files")

Reviewed-by: Fabio Estevam <festevam@...il.com>
Signed-off-by: Adam Ford <aford173@...il.com>
---
V2:  Don't change HDMI

diff --git a/arch/arm/boot/dts/imx6q-logicpd.dts b/arch/arm/boot/dts/imx6q-logicpd.dts
index 7a3d1d3e54a9..8f94364ba484 100644
--- a/arch/arm/boot/dts/imx6q-logicpd.dts
+++ b/arch/arm/boot/dts/imx6q-logicpd.dts
@@ -13,7 +13,7 @@ / {
 
 	backlight: backlight-lvds {
 		compatible = "pwm-backlight";
-		pwms = <&pwm3 0 20000>;
+		pwms = <&pwm3 0 20000 0>;
 		brightness-levels = <0 4 8 16 32 64 128 255>;
 		default-brightness-level = <6>;
 		power-supply = <&reg_lcd>;
-- 
2.25.1