target/linux/bcm4908/patches-5.10/301-arm64-dts-broadcom-bcm4908-add-TWD-block.patch

   1 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
   2 Date: Tue, 9 Nov 2021 11:39:42 +0100
   3 Subject: [PATCH] arm64: dts: broadcom: bcm4908: add TWD block
   4 MIME-Version: 1.0
   5 Content-Type: text/plain; charset=UTF-8
   6 Content-Transfer-Encoding: 8bit
   7
   8 BCM4908 contains TWD block that provides few functions:
   9 1. Timers
  10 2. Wathchdog
  11 3. Software reset
  12
  13 Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
  14 ---
  15  .../boot/dts/broadcom/bcm4908/bcm4908.dtsi      | 17 +++++++++++++----
  16  1 file changed, 13 insertions(+), 4 deletions(-)
  17
  18 --- a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
  19 +++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
  20 @@ -273,9 +273,18 @@
  21                 #size-cells = <1>;
  22                 ranges = <0x00 0x00 0xff800000 0x3000>;
  23
  24 -               timer: timer@400 {
  25 -                       compatible = "brcm,bcm6328-timer", "syscon";
  26 -                       reg = <0x400 0x3c>;
  27 +               twd: timer-mfd@400 {
  28 +                       compatible = "brcm,bcm4908-twd", "brcm,twd", "simple-mfd", "syscon";
  29 +                       reg = <0x400 0x4c>;
  30 +                       ranges = <0x0 0x400 0x4c>;
  31 +
  32 +                       #address-cells = <1>;
  33 +                       #size-cells = <1>;
  34 +
  35 +                       watchdog@28 {
  36 +                               compatible = "brcm,bcm7038-wdt";
  37 +                               reg = <0x28 0x8>;
  38 +                       };
  39                 };
  40
  41                 gpio0: gpio-controller@500 {
  42 @@ -329,7 +338,7 @@
  43
  44                 reboot {
  45                         compatible = "syscon-reboot";
  46 -                       regmap = <&timer>;
  47 +                       regmap = <&twd>;
  48                         offset = <0x34>;
  49                         mask = <1>;
  50                 };