Commit 957aef02 authored by Markus Niebel's avatar Markus Niebel Committed by Shawn Guo
Browse files

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: default avatarMarkus Niebel <Markus.Niebel@ew.tq-group.com>
Signed-off-by: default avatarAlexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent 15ca3f00

arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc.dts

+1 −1
Original line number Original line Diff line number Diff line
@@ -35,7 +35,7 @@ 
		brightness-levels = <0 1 10 20 30 40 50 60 70 75 80 90 100>;

		brightness-levels = <0 1 10 20 30 40 50 60 70 75 80 90 100>;

		default-brightness-level = <7>;

		default-brightness-level = <7>;

		enable-gpios = <&gpio3 0 GPIO_ACTIVE_HIGH>;

		enable-gpios = <&gpio3 0 GPIO_ACTIVE_HIGH>;

		pwms = <&pwm1 0 5000000>;

		pwms = <&pwm1 0 5000000 0>;

		/* Disabled by default, unless display board plugged in. */

		/* Disabled by default, unless display board plugged in. */

		status = "disabled";

		status = "disabled";

	};

	};

arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi

+1 −1
Original line number Original line Diff line number Diff line
@@ -61,7 +61,7 @@ 




	backlight: backlight {

	backlight: backlight {

		compatible = "pwm-backlight";

		compatible = "pwm-backlight";

		pwms = <&pwm1 0 5000000>;

		pwms = <&pwm1 0 5000000 0>;

		brightness-levels = <0 255>;

		brightness-levels = <0 255>;

		num-interpolated-steps = <255>;

		num-interpolated-steps = <255>;

		default-brightness-level = <250>;

		default-brightness-level = <250>;

arch/arm64/boot/dts/freescale/imx8mm.dtsi

+4 −4
Original line number Original line Diff line number Diff line
@@ -758,7 +758,7 @@ 
				clocks = <&clk IMX8MM_CLK_PWM1_ROOT>,

				clocks = <&clk IMX8MM_CLK_PWM1_ROOT>,

					<&clk IMX8MM_CLK_PWM1_ROOT>;

					<&clk IMX8MM_CLK_PWM1_ROOT>;

				clock-names = "ipg", "per";

				clock-names = "ipg", "per";

				#pwm-cells = <2>;

				#pwm-cells = <3>;

				status = "disabled";

				status = "disabled";

			};

			};
@@ -769,7 +769,7 @@ 
				clocks = <&clk IMX8MM_CLK_PWM2_ROOT>,

				clocks = <&clk IMX8MM_CLK_PWM2_ROOT>,

					 <&clk IMX8MM_CLK_PWM2_ROOT>;

					 <&clk IMX8MM_CLK_PWM2_ROOT>;

				clock-names = "ipg", "per";

				clock-names = "ipg", "per";

				#pwm-cells = <2>;

				#pwm-cells = <3>;

				status = "disabled";

				status = "disabled";

			};

			};
@@ -780,7 +780,7 @@ 
				clocks = <&clk IMX8MM_CLK_PWM3_ROOT>,

				clocks = <&clk IMX8MM_CLK_PWM3_ROOT>,

					 <&clk IMX8MM_CLK_PWM3_ROOT>;

					 <&clk IMX8MM_CLK_PWM3_ROOT>;

				clock-names = "ipg", "per";

				clock-names = "ipg", "per";

				#pwm-cells = <2>;

				#pwm-cells = <3>;

				status = "disabled";

				status = "disabled";

			};

			};
@@ -791,7 +791,7 @@ 
				clocks = <&clk IMX8MM_CLK_PWM4_ROOT>,

				clocks = <&clk IMX8MM_CLK_PWM4_ROOT>,

					 <&clk IMX8MM_CLK_PWM4_ROOT>;

					 <&clk IMX8MM_CLK_PWM4_ROOT>;

				clock-names = "ipg", "per";

				clock-names = "ipg", "per";

				#pwm-cells = <2>;

				#pwm-cells = <3>;

				status = "disabled";

				status = "disabled";

			};

			};