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ARM: dts: imx7: use 3 PWM cells

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The PWM driver has now capability to specify the PWM polarity
which is e.g. for backlight control. Allow to make use of PWM
polarity by specifying pwm-cells to be 3 in the base dt.

Signed-off-by: Stefan Agner <stefan@agner.ch>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Stefan Agner 2017-05-16 00:40:13 -07:00 committed by Shawn Guo
parent 34adfaa3d4
commit 9be48d2d98
3 changed files with 6 additions and 6 deletions
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2
arch/arm/boot/dts/imx7-colibri.dtsi
View File

@ -43,7 +43,7 @@
/ {
bl: backlight {
compatible = "pwm-backlight";
pwms = <&pwm1 0 5000000>;
pwms = <&pwm1 0 5000000 0>;
};
reg_module_3v3: regulator-module-3v3 {

2
arch/arm/boot/dts/imx7d-nitrogen7.dts
View File

@ -67,7 +67,7 @@ backlight-j9 {
backlight-j20 {
compatible = "pwm-backlight";
pwms = <&pwm1 0 5000000>;
pwms = <&pwm1 0 5000000 0>;
brightness-levels = <0 4 8 16 32 64 128 255>;
default-brightness-level = <6>;
status = "okay";

8
arch/arm/boot/dts/imx7s.dtsi
View File

@ -635,7 +635,7 @@ pwm1: pwm@30660000 {
clocks = <&clks IMX7D_PWM1_ROOT_CLK>,
<&clks IMX7D_PWM1_ROOT_CLK>;
clock-names = "ipg", "per";
#pwm-cells = <2>;
#pwm-cells = <3>;
status = "disabled";
};
@ -646,7 +646,7 @@ pwm2: pwm@30670000 {
clocks = <&clks IMX7D_PWM2_ROOT_CLK>,
<&clks IMX7D_PWM2_ROOT_CLK>;
clock-names = "ipg", "per";
#pwm-cells = <2>;
#pwm-cells = <3>;
status = "disabled";
};
@ -657,7 +657,7 @@ pwm3: pwm@30680000 {
clocks = <&clks IMX7D_PWM3_ROOT_CLK>,
<&clks IMX7D_PWM3_ROOT_CLK>;
clock-names = "ipg", "per";
#pwm-cells = <2>;
#pwm-cells = <3>;
status = "disabled";
};
@ -668,7 +668,7 @@ pwm4: pwm@30690000 {
clocks = <&clks IMX7D_PWM4_ROOT_CLK>,
<&clks IMX7D_PWM4_ROOT_CLK>;
clock-names = "ipg", "per";
#pwm-cells = <2>;
#pwm-cells = <3>;
status = "disabled";
};