linux-kernel - [PATCH v1 1/2] ARM: dts: rockchip: rename and label gpio-led subnodes part 3

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Message-Id: <20200813193455.19772-1-jbx6244@gmail.com>
Date:   Thu, 13 Aug 2020 21:34:54 +0200
From:   Johan Jonker <jbx6244@...il.com>
To:     heiko@...ech.de
Cc:     robh+dt@...nel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v1 1/2] ARM: dts: rockchip: rename and label gpio-led subnodes part 3

Current dts files with 'gpio-led' nodes were manually verified.
In order to automate this process leds-gpio.txt
has been converted to yaml. With this conversion a check
for pattern properties was added. In part 3 rename and label
gpio-led subnodes with pinctrl. To make things equal to other
dts files move pinctrl below the compatible property.

Fix with help of the following rules:

1: Add nodename in the preferred form.

2: Always add a label that ends with '_led' to prevent conflicts
   with other labels such as 'power' and 'mmc'

3: If leds need pinctrl add a label that ends with '_led_pin'
   also to prevent conflicts with other labels.

patternProperties:
  # The first form is preferred, but fall back to just 'led'
  # anywhere in the node name to at least catch some child nodes.
  "(^led-[0-9a-f]$|led)":

make ARCH=arm dtbs_check
DT_SCHEMA_FILES=Documentation/devicetree/bindings/leds/
leds-gpio.yaml

Signed-off-by: Johan Jonker <jbx6244@...il.com>
---
 arch/arm/boot/dts/rk3036-kylin.dts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm/boot/dts/rk3036-kylin.dts b/arch/arm/boot/dts/rk3036-kylin.dts
index 7154b827e..bf808cda6 100644
--- a/arch/arm/boot/dts/rk3036-kylin.dts
+++ b/arch/arm/boot/dts/rk3036-kylin.dts
@@ -15,12 +15,12 @@

 	leds: gpio-leds {
 		compatible = "gpio-leds";
+		pinctrl-names = "default";
+		pinctrl-0 = <&work_led_pin>;

 		work_led: led-0 {
 			gpios = <&gpio2 RK_PD6 GPIO_ACTIVE_HIGH>;
 			label = "kylin:red:led";
-			pinctrl-names = "default";
-			pinctrl-0 = <&led_ctl>;
 		};
 	};

@@ -367,7 +367,7 @@

 &pinctrl {
 	leds {
-		led_ctl: led-ctl {
+		work_led_pin: work-led-pin {
 			rockchip,pins = <2 RK_PD6 RK_FUNC_GPIO &pcfg_pull_none>;
 		};
 	};
-- 
2.11.0