linux-kernel - [PATCH v2 4/6] ARM: dts: rockchip: remove clock-names from pwm nodes

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Date:   Sun, 11 Apr 2021 15:10:05 +0200
From:   Johan Jonker <jbx6244@...il.com>
To:     heiko@...ech.de
Cc:     robh+dt@...nel.org, thierry.reding@...il.com,
        u.kleine-koenig@...gutronix.de, lee.jones@...aro.org,
        linux-pwm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 4/6] ARM: dts: rockchip: remove clock-names from pwm nodes

A test with the command below gives this error:

/arch/arm/boot/dts/rk3036-evb.dt.yaml:
pwm@...50030: clock-names: ['pwm'] is too short

Devices with only one pwm clock use it to both
to derive the functional clock for the device
and as the bus clock. The driver does not need
"clock-names" to get a handle, so remove them all.

make ARCH=arm dtbs_check
DT_SCHEMA_FILES=Documentation/devicetree/bindings/pwm/pwm-rockchip.yaml

Signed-off-by: Johan Jonker <jbx6244@...il.com>
---
 arch/arm/boot/dts/rk3036.dtsi | 4 ----
 arch/arm/boot/dts/rk3288.dtsi | 4 ----
 2 files changed, 8 deletions(-)

diff --git a/arch/arm/boot/dts/rk3036.dtsi b/arch/arm/boot/dts/rk3036.dtsi
index 47a787a12..e24230d50 100644
--- a/arch/arm/boot/dts/rk3036.dtsi
+++ b/arch/arm/boot/dts/rk3036.dtsi
@@ -355,7 +355,6 @@
 		reg = <0x20050000 0x10>;
 		#pwm-cells = <3>;
 		clocks = <&cru PCLK_PWM>;
-		clock-names = "pwm";
 		pinctrl-names = "default";
 		pinctrl-0 = <&pwm0_pin>;
 		status = "disabled";
@@ -366,7 +365,6 @@
 		reg = <0x20050010 0x10>;
 		#pwm-cells = <3>;
 		clocks = <&cru PCLK_PWM>;
-		clock-names = "pwm";
 		pinctrl-names = "default";
 		pinctrl-0 = <&pwm1_pin>;
 		status = "disabled";
@@ -377,7 +375,6 @@
 		reg = <0x20050020 0x10>;
 		#pwm-cells = <3>;
 		clocks = <&cru PCLK_PWM>;
-		clock-names = "pwm";
 		pinctrl-names = "default";
 		pinctrl-0 = <&pwm2_pin>;
 		status = "disabled";
@@ -388,7 +385,6 @@
 		reg = <0x20050030 0x10>;
 		#pwm-cells = <2>;
 		clocks = <&cru PCLK_PWM>;
-		clock-names = "pwm";
 		pinctrl-names = "default";
 		pinctrl-0 = <&pwm3_pin>;
 		status = "disabled";
diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
index ea7416c31..05557ad02 100644
--- a/arch/arm/boot/dts/rk3288.dtsi
+++ b/arch/arm/boot/dts/rk3288.dtsi
@@ -679,7 +679,6 @@
 		pinctrl-names = "default";
 		pinctrl-0 = <&pwm0_pin>;
 		clocks = <&cru PCLK_RKPWM>;
-		clock-names = "pwm";
 		status = "disabled";
 	};
 
@@ -690,7 +689,6 @@
 		pinctrl-names = "default";
 		pinctrl-0 = <&pwm1_pin>;
 		clocks = <&cru PCLK_RKPWM>;
-		clock-names = "pwm";
 		status = "disabled";
 	};
 
@@ -701,7 +699,6 @@
 		pinctrl-names = "default";
 		pinctrl-0 = <&pwm2_pin>;
 		clocks = <&cru PCLK_RKPWM>;
-		clock-names = "pwm";
 		status = "disabled";
 	};
 
@@ -712,7 +709,6 @@
 		pinctrl-names = "default";
 		pinctrl-0 = <&pwm3_pin>;
 		clocks = <&cru PCLK_RKPWM>;
-		clock-names = "pwm";
 		status = "disabled";
 	};
 
-- 
2.11.0