target/linux/sifiveu/patches-6.1/0003-riscv-sifive-unmatched-define-PWM-LEDs.patch

   1 From 2c2d8ac8c124a2938c9326c14b2dffd46d76b4a8 Mon Sep 17 00:00:00 2001
   2 From: David Abdurachmanov <david.abdurachmanov@sifive.com>
   3 Date: Mon, 13 Sep 2021 02:15:37 -0700
   4 Subject: [PATCH 3/7] riscv: sifive: unmatched: define PWM LEDs
   5
   6 Add D2 (RGB) and D12 (green) LEDs for SiFive Unmatched board.
   7
   8 Signed-off-by: David Abdurachmanov <david.abdurachmanov@sifive.com>
   9 ---
  10  .../riscv/boot/dts/sifive/hifive-unmatched-a00.dts | 41 ++++++++++++++++++++++
  11  1 file changed, 41 insertions(+)
  12
  13 --- a/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts
  14 +++ b/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts
  15 @@ -4,6 +4,8 @@
  16  #include "fu740-c000.dtsi"
  17  #include <dt-bindings/gpio/gpio.h>
  18  #include <dt-bindings/interrupt-controller/irq.h>
  19 +#include <dt-bindings/leds/common.h>
  20 +#include <dt-bindings/pwm/pwm.h>
  21
  22  /* Clock frequency (in Hz) of the PCB crystal for rtcclk */
  23  #define RTCCLK_FREQ            1000000
  24 @@ -31,6 +33,45 @@
  25         soc {
  26         };
  27
  28 +       pwmleds {
  29 +               compatible = "pwm-leds";
  30 +               green-d12 {
  31 +                       label = "green:d12";
  32 +                       color = <LED_COLOR_ID_GREEN>;
  33 +                       pwms = <&pwm0 0 7812500 PWM_POLARITY_INVERTED>;
  34 +                       active-low = <1>;
  35 +                       max-brightness = <255>;
  36 +                       linux,default-trigger = "none";
  37 +               };
  38 +
  39 +               green-d2 {
  40 +                       label = "green:d2";
  41 +                       color = <LED_COLOR_ID_GREEN>;
  42 +                       pwms = <&pwm0 1 7812500 PWM_POLARITY_INVERTED>;
  43 +                       active-low = <1>;
  44 +                       max-brightness = <255>;
  45 +                       linux,default-trigger = "none";
  46 +               };
  47 +
  48 +               red-d2 {
  49 +                       label = "red:d2";
  50 +                       color = <LED_COLOR_ID_RED>;
  51 +                       pwms = <&pwm0 2 7812500 PWM_POLARITY_INVERTED>;
  52 +                       active-low = <1>;
  53 +                       max-brightness = <255>;
  54 +                       linux,default-trigger = "none";
  55 +               };
  56 +
  57 +               blue-d2 {
  58 +                       label = "blue:d2";
  59 +                       color = <LED_COLOR_ID_BLUE>;
  60 +                       pwms = <&pwm0 3 7812500 PWM_POLARITY_INVERTED>;
  61 +                       active-low = <1>;
  62 +                       max-brightness = <255>;
  63 +                       linux,default-trigger = "none";
  64 +               };
  65 +       };
  66 +
  67         hfclk: hfclk {
  68                 #clock-cells = <0>;
  69                 compatible = "fixed-clock";