arm64: dt: imx8mp: support pwm polarity inversion

The i.MX8M Plus 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. Tested on MBa8MPxL mainboard. Signed-off-by: Markus Niebel <[email protected]> Signed-off-by: Alexander Stein <[email protected]> Signed-off-by: Shawn Guo <[email protected]>
haoshao · May 5, 2022 · d80b9c8 · d80b9c8
1 parent 6bc1e58
commit d80b9c8
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
@@ -615,7 +615,7 @@
 				clocks = <&clk IMX8MP_CLK_PWM1_ROOT>,
 					 <&clk IMX8MP_CLK_PWM1_ROOT>;
 				clock-names = "ipg", "per";
-				#pwm-cells = <2>;
+				#pwm-cells = <3>;
 				status = "disabled";
 			};
 
@@ -626,7 +626,7 @@
 				clocks = <&clk IMX8MP_CLK_PWM2_ROOT>,
 					 <&clk IMX8MP_CLK_PWM2_ROOT>;
 				clock-names = "ipg", "per";
-				#pwm-cells = <2>;
+				#pwm-cells = <3>;
 				status = "disabled";
 			};
 
@@ -637,7 +637,7 @@
 				clocks = <&clk IMX8MP_CLK_PWM3_ROOT>,
 					 <&clk IMX8MP_CLK_PWM3_ROOT>;
 				clock-names = "ipg", "per";
-				#pwm-cells = <2>;
+				#pwm-cells = <3>;
 				status = "disabled";
 			};
 
@@ -648,7 +648,7 @@
 				clocks = <&clk IMX8MP_CLK_PWM4_ROOT>,
 					 <&clk IMX8MP_CLK_PWM4_ROOT>;
 				clock-names = "ipg", "per";
-				#pwm-cells = <2>;
+				#pwm-cells = <3>;
 				status = "disabled";
 			};