[PATCH 1/2] riscv: dts: jh7110: Add a gpio-restart node

Jaehoon Chung jh80.chung at samsung.com
Tue Oct 31 09:24:38 CET 2023


Add 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

Signed-off-by: Jaehoon Chung <jh80.chung at samsung.com>
---
 arch/riscv/dts/jh7110-starfive-visionfive-2.dtsi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/riscv/dts/jh7110-starfive-visionfive-2.dtsi b/arch/riscv/dts/jh7110-starfive-visionfive-2.dtsi
index e40f57a15080..e94f9fe826a8 100644
--- a/arch/riscv/dts/jh7110-starfive-visionfive-2.dtsi
+++ b/arch/riscv/dts/jh7110-starfive-visionfive-2.dtsi
@@ -34,6 +34,11 @@
 		device_type = "memory";
 		reg = <0x0 0x40000000 0x2 0x0>;
 	};
+
+	gpio-restart {
+		compatible = "gpio-restart";
+		gpios = <&sysgpio 35 GPIO_ACTIVE_HIGH>;
+	};
 };
 
 &osc {
-- 
2.25.1



More information about the U-Boot mailing list