From 15ca3f00a1e3a56811371a63bf0c067603226eae Mon Sep 17 00:00:00 2001 From: Markus Niebel Date: Mon, 2 May 2022 11:48:58 +0200 Subject: arm64: dt: imx8mq: support pwm polarity inversion The i.MX8MQ has the same PWM IP as i.MX6 / i.MX7. This IP and the driver supporting pwm polarity inversion. Switch CPU device tree fragment to use 3 pwm-cells and correct board device trees. Signed-off-by: Markus Niebel Signed-off-by: Alexander Stein Signed-off-by: Shawn Guo --- arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts | 2 +- arch/arm64/boot/dts/freescale/imx8mq-mnt-reform2.dts | 2 +- arch/arm64/boot/dts/freescale/imx8mq.dtsi | 8 ++++---- 3 files changed, 6 insertions(+), 6 deletions(-) (limited to 'arch') diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts index 622f3787a186..b86f188a440d 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts +++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts @@ -18,7 +18,7 @@ backlight_dsi: backlight-dsi { compatible = "pwm-backlight"; /* 200 Hz for the PAM2841 */ - pwms = <&pwm1 0 5000000>; + pwms = <&pwm1 0 5000000 0>; brightness-levels = <0 100>; num-interpolated-steps = <100>; /* Default brightness level (index into the array defined by */ diff --git a/arch/arm64/boot/dts/freescale/imx8mq-mnt-reform2.dts b/arch/arm64/boot/dts/freescale/imx8mq-mnt-reform2.dts index 94a13cb500e6..8956a46788fa 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq-mnt-reform2.dts +++ b/arch/arm64/boot/dts/freescale/imx8mq-mnt-reform2.dts @@ -18,7 +18,7 @@ compatible = "pwm-backlight"; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_backlight>; - pwms = <&pwm2 0 10000>; + pwms = <&pwm2 0 10000 0>; power-supply = <®_main_usb>; enable-gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>; brightness-levels = <0 32 64 128 160 200 255>; diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi index 1eca2b431467..49eadb081b19 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi @@ -798,7 +798,7 @@ clocks = <&clk IMX8MQ_CLK_PWM1_ROOT>, <&clk IMX8MQ_CLK_PWM1_ROOT>; clock-names = "ipg", "per"; - #pwm-cells = <2>; + #pwm-cells = <3>; status = "disabled"; }; @@ -809,7 +809,7 @@ clocks = <&clk IMX8MQ_CLK_PWM2_ROOT>, <&clk IMX8MQ_CLK_PWM2_ROOT>; clock-names = "ipg", "per"; - #pwm-cells = <2>; + #pwm-cells = <3>; status = "disabled"; }; @@ -820,7 +820,7 @@ clocks = <&clk IMX8MQ_CLK_PWM3_ROOT>, <&clk IMX8MQ_CLK_PWM3_ROOT>; clock-names = "ipg", "per"; - #pwm-cells = <2>; + #pwm-cells = <3>; status = "disabled"; }; @@ -831,7 +831,7 @@ clocks = <&clk IMX8MQ_CLK_PWM4_ROOT>, <&clk IMX8MQ_CLK_PWM4_ROOT>; clock-names = "ipg", "per"; - #pwm-cells = <2>; + #pwm-cells = <3>; status = "disabled"; }; -- cgit