diff options
| author | Markus Niebel <Markus.Niebel@ew.tq-group.com> | 2022-05-02 11:48:58 +0200 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2022-05-05 15:46:09 +0800 |
| commit | 15ca3f00a1e3a56811371a63bf0c067603226eae (patch) | |
| tree | eaa2d5861f214cb2870265c3e5ae687ff036c469 | |
| parent | 22463f7cd0e17c4b60a0d8ad6c10f62c76840344 (diff) | |
| download | lwn-15ca3f00a1e3a56811371a63bf0c067603226eae.tar.gz lwn-15ca3f00a1e3a56811371a63bf0c067603226eae.zip | |
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 <Markus.Niebel@ew.tq-group.com>
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts | 2 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mq-mnt-reform2.dts | 2 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mq.dtsi | 8 |
3 files changed, 6 insertions, 6 deletions
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"; }; |