target/linux/hifiveu/patches-5.10/0040-riscv-sifive-unmatched-add-D12-PWM-LED.patch

   1 From ce24ba4d603a19690548b986d87ae2d9af26d015 Mon Sep 17 00:00:00 2001
   2 From: David Abdurachmanov <david.abdurachmanov@sifive.com>
   3 Date: Thu, 25 Mar 2021 04:34:52 -0700
   4 Subject: [PATCH 23/28] riscv: sifive: unmatched: add D12 PWM LED
   5
   6 Signed-off-by: David Abdurachmanov <david.abdurachmanov@sifive.com>
   7 ---
   8  arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts | 12 ++++++++++++
   9  1 file changed, 12 insertions(+)
  10
  11 diff --git a/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts b/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts
  12 index e026f60..8461b33 100644
  13 --- a/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts
  14 +++ b/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts
  15 @@ -3,6 +3,7 @@
  16
  17  #include "fu740-c000.dtsi"
  18  #include <dt-bindings/interrupt-controller/irq.h>
  19 +#include <dt-bindings/pwm/pwm.h>
  20
  21  /* Clock frequency (in Hz) of the PCB crystal for rtcclk */
  22  #define RTCCLK_FREQ            1000000
  23 @@ -30,6 +31,17 @@
  24         soc {
  25         };
  26
  27 +       pwmleds {
  28 +               compatible = "pwm-leds";
  29 +               d12 {
  30 +                       label = "green:d12";
  31 +                       pwms = <&pwm0 0 7812500 PWM_POLARITY_INVERTED>;
  32 +                       active-low = <1>;
  33 +                       max-brightness = <255>;
  34 +                       linux,default-trigger = "none";
  35 +               };
  36 +       };
  37 +
  38         hfclk: hfclk {
  39                 #clock-cells = <0>;
  40                 compatible = "fixed-clock";
  41 --
  42 2.7.4
  43