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    Subject[PATCH v1 4/4] riscv: dts: sifive unmatched: Add PWM controlled LEDs
    Date
    This adds the two PWM controlled LEDs to the HiFive Unmatched device
    tree. D12 is just a regular green diode, but D2 is an RGB diode with 3
    PWM inputs controlling the three different colours.

    Signed-off-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
    ---
    .../boot/dts/sifive/hifive-unmatched-a00.dts | 42 +++++++++++++++++++
    1 file changed, 42 insertions(+)

    diff --git a/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts b/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts
    index c4ed9efdff03..beaefe74755a 100644
    --- a/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts
    +++ b/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts
    @@ -4,6 +4,8 @@
    #include "fu740-c000.dtsi"
    #include <dt-bindings/gpio/gpio.h>
    #include <dt-bindings/interrupt-controller/irq.h>
    +#include <dt-bindings/leds/common.h>
    +#include <dt-bindings/pwm/pwm.h>

    /* Clock frequency (in Hz) of the PCB crystal for rtcclk */
    #define RTCCLK_FREQ 1000000
    @@ -44,6 +46,46 @@ gpio-poweroff {
    compatible = "gpio-poweroff";
    gpios = <&gpio 2 GPIO_ACTIVE_LOW>;
    };
    +
    + led-controller-1 {
    + compatible = "pwm-leds";
    +
    + led-d12 {
    + pwms = <&pwm0 0 7812500 PWM_POLARITY_INVERTED>;
    + active-low;
    + color = <LED_COLOR_ID_GREEN>;
    + max-brightness = <255>;
    + label = "d12";
    + };
    + };
    +
    + led-controller-2 {
    + compatible = "pwm-leds-multicolor";
    +
    + multi-led {
    + color = <LED_COLOR_ID_RGB>;
    + max-brightness = <255>;
    + label = "d2";
    +
    + led-red {
    + pwms = <&pwm0 2 7812500 PWM_POLARITY_INVERTED>;
    + active-low;
    + color = <LED_COLOR_ID_RED>;
    + };
    +
    + led-green {
    + pwms = <&pwm0 1 7812500 PWM_POLARITY_INVERTED>;
    + active-low;
    + color = <LED_COLOR_ID_GREEN>;
    + };
    +
    + led-blue {
    + pwms = <&pwm0 3 7812500 PWM_POLARITY_INVERTED>;
    + active-low;
    + color = <LED_COLOR_ID_BLUE>;
    + };
    + };
    + };
    };

    &uart0 {
    --
    2.37.0
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