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    Subject[PATCH 3/4] ARM: sun7i: dt: add PWM support
    Date
    Adds the PWM bindings for the Allwinner A20.
    Also adds the pinctrl descriptions for both PWM channels.

    Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
    ---
    arch/arm/boot/dts/sun7i-a20.dtsi | 22 ++++++++++++++++++++++
    1 file changed, 22 insertions(+)

    diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi
    index 6f25cf559ad0..0dd15fcb8955 100644
    --- a/arch/arm/boot/dts/sun7i-a20.dtsi
    +++ b/arch/arm/boot/dts/sun7i-a20.dtsi
    @@ -366,6 +366,20 @@
    #size-cells = <0>;
    #gpio-cells = <3>;

    + pwm0_pins_a: pwm0@0 {
    + allwinner,pins = "PB2";
    + allwinner,function = "pwm";
    + allwinner,drive = <0>;
    + allwinner,pull = <0>;
    + };
    +
    + pwm1_pins_a: pwm1@0 {
    + allwinner,pins = "PI3";
    + allwinner,function = "pwm";
    + allwinner,drive = <0>;
    + allwinner,pull = <0>;
    + };
    +
    uart0_pins_a: uart0@0 {
    allwinner,pins = "PB22", "PB23";
    allwinner,function = "uart0";
    @@ -446,6 +460,14 @@
    clocks = <&osc24M>;
    };

    + pwm: pwm@01c20e00 {
    + compatible = "allwinner,sun7i-pwm";
    + reg = <0x01c20e00 0xc>;
    + clocks = <&osc24M>;
    + #pwm-cells = <3>;
    + status = "disabled";
    + };
    +
    wdt: watchdog@01c20c90 {
    compatible = "allwinner,sun4i-wdt";
    reg = <0x01c20c90 0x10>;
    --
    1.8.3.2


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