diff options
| author | Markus Niebel <Markus.Niebel@ew.tq-group.com> | 2022-05-02 12:48:59 +0300 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2022-05-05 10:46:25 +0300 |
| commit | 957aef026c462f27419082c61cd170f6e2d5c833 (patch) | |
| tree | b6adc66bff3368a6b580b7e0c47c4ef222f6310b /arch/arm64 | |
| parent | 15ca3f00a1e3a56811371a63bf0c067603226eae (diff) | |
| download | linux-957aef026c462f27419082c61cd170f6e2d5c833.tar.xz | |
arm64: dt: imx8mm: support pwm polarity inversion
The i.MX8M Mini 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>
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc.dts | 2 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi | 2 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mm.dtsi | 8 |
3 files changed, 6 insertions, 6 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc.dts b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc.dts index 8c9dd09dbc74..778bdbe228d3 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc.dts +++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc.dts @@ -35,7 +35,7 @@ brightness-levels = <0 1 10 20 30 40 50 60 70 75 80 90 100>; default-brightness-level = <7>; enable-gpios = <&gpio3 0 GPIO_ACTIVE_HIGH>; - pwms = <&pwm1 0 5000000>; + pwms = <&pwm1 0 5000000 0>; /* Disabled by default, unless display board plugged in. */ status = "disabled"; }; diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi index 6a209395452a..c42b966f7a64 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi @@ -61,7 +61,7 @@ backlight: backlight { compatible = "pwm-backlight"; - pwms = <&pwm1 0 5000000>; + pwms = <&pwm1 0 5000000 0>; brightness-levels = <0 255>; num-interpolated-steps = <255>; default-brightness-level = <250>; diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi index 1ee05677c2dd..1bf070473829 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi @@ -758,7 +758,7 @@ clocks = <&clk IMX8MM_CLK_PWM1_ROOT>, <&clk IMX8MM_CLK_PWM1_ROOT>; clock-names = "ipg", "per"; - #pwm-cells = <2>; + #pwm-cells = <3>; status = "disabled"; }; @@ -769,7 +769,7 @@ clocks = <&clk IMX8MM_CLK_PWM2_ROOT>, <&clk IMX8MM_CLK_PWM2_ROOT>; clock-names = "ipg", "per"; - #pwm-cells = <2>; + #pwm-cells = <3>; status = "disabled"; }; @@ -780,7 +780,7 @@ clocks = <&clk IMX8MM_CLK_PWM3_ROOT>, <&clk IMX8MM_CLK_PWM3_ROOT>; clock-names = "ipg", "per"; - #pwm-cells = <2>; + #pwm-cells = <3>; status = "disabled"; }; @@ -791,7 +791,7 @@ clocks = <&clk IMX8MM_CLK_PWM4_ROOT>, <&clk IMX8MM_CLK_PWM4_ROOT>; clock-names = "ipg", "per"; - #pwm-cells = <2>; + #pwm-cells = <3>; status = "disabled"; }; |