[PATCH v2 4/4] ARM: dts: at91: sama7g5: add shdwc node

Claudiu Beznea claudiu.beznea at microchip.com
Mon Aug 23 06:19:15 PDT 2021


Add shutdown controller node and enable it.

Signed-off-by: Claudiu Beznea <claudiu.beznea at microchip.com>
---
 arch/arm/boot/dts/at91-sama7g5ek.dts |  9 +++++++++
 arch/arm/boot/dts/sama7g5.dtsi       | 11 +++++++++++
 2 files changed, 20 insertions(+)

diff --git a/arch/arm/boot/dts/at91-sama7g5ek.dts b/arch/arm/boot/dts/at91-sama7g5ek.dts
index 4cbed98cc2f4..8b13b031a167 100644
--- a/arch/arm/boot/dts/at91-sama7g5ek.dts
+++ b/arch/arm/boot/dts/at91-sama7g5ek.dts
@@ -634,6 +634,15 @@ &sdmmc2 {
 	pinctrl-0 = <&pinctrl_sdmmc2_default>;
 };
 
+&shdwc {
+	atmel,shdwc-debouncer = <976>;
+	status = "okay";
+
+	input at 0 {
+		reg = <0>;
+	};
+};
+
 &spdifrx {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_spdifrx_default>;
diff --git a/arch/arm/boot/dts/sama7g5.dtsi b/arch/arm/boot/dts/sama7g5.dtsi
index 3a4315ac0eb0..e50806cf7660 100644
--- a/arch/arm/boot/dts/sama7g5.dtsi
+++ b/arch/arm/boot/dts/sama7g5.dtsi
@@ -122,6 +122,17 @@ pmc: pmc at e0018000 {
 			clock-names = "td_slck", "md_slck", "main_xtal";
 		};
 
+		shdwc: shdwc at e001d010 {
+			compatible = "microchip,sama7g5-shdwc", "syscon";
+			reg = <0xe001d010 0x10>;
+			clocks = <&clk32k 0>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			atmel,wakeup-rtc-timer;
+			atmel,wakeup-rtt-timer;
+			status = "disabled";
+		};
+
 		rtt: rtt at e001d020 {
 			compatible = "microchip,sama7g5-rtt", "microchip,sam9x60-rtt", "atmel,at91sam9260-rtt";
 			reg = <0xe001d020 0x30>;
-- 
2.25.1




More information about the linux-arm-kernel mailing list