RISCV: dts: jh7110-starifive-visionfive-2: Add a gpio-restart node

Add a gpio-restart node to do reset.
Before applied this patch, System Reset Extension doesn't appear with
sbi command.

OpenSBI 1.3
Machine:
  Vendor ID 489
  Architecture ID 8000000000000007
  Implementation ID 4210427
Extensions:
  sbi_set_timer
  sbi_console_putchar
...[snip]...
  IPI Extension
  RFENCE Extension
  Hart State Management Extension
  Performance Monitoring Unit Extension

After applied this patch, System Reset Extension is supported from SBI.

OpenSBI 1.3
Machine:
  Vendor ID 489
  Architecture ID 8000000000000007
  Implementation ID 4210427
Extensions:
  sbi_set_timer
  sbi_console_putchar
...[snip]...
  IPI Extension
  RFENCE Extension
  Hart State Management Extension
  System Reset Extension
  Performance Monitoring Unit Extension

Change-Id: Idf298b22ff2fb728ddade59befa741718e9c2466
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>

diff --git a/arch/riscv/dts/jh7110-starfive-visionfive-2.dtsi b/arch/riscv/dts/jh7110-starfive-visionfive-2.dtsi
index c6b6dfa..e526cb4 100644 (file)
--- a/arch/riscv/dts/jh7110-starfive-visionfive-2.dtsi
+++ b/arch/riscv/dts/jh7110-starfive-visionfive-2.dtsi
@@ -7,6 +7,7 @@
 
 #include "jh7110.dtsi"
 #include <dt-bindings/pinctrl/pinctrl-starfive-jh7110.h>
+#include <dt-bindings/gpio/gpio.h>
 / {
        aliases {
                serial0 = &uart0;
@@ -31,6 +32,11 @@
                device_type = "memory";
                reg = <0x0 0x40000000 0x2 0x0>;
        };
+
+       gpio-restart {
+               compatible = "gpio-restart";
+               gpios = <&sysgpio 35 GPIO_ACTIVE_HIGH>;
+       };
 };
 
 &osc {