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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 <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>
This commit is contained in:
Markus Niebel 2022-05-02 11:49:01 +02:00 committed by Shawn Guo
parent 6bc1e58055
commit d80b9c8422
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
arch/arm64/boot/dts/freescale/imx8mp.dtsi
View File

@ -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";
};