linux-kernel - [PATCH V1] arm64: dts: nuvoton: ma35d1: add rtc node

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Date: Tue,  4 Jun 2024 08:09:46 +0000
From: Jacky Huang <ychuang570808@...il.com>
To: robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org
Cc: linux-arm-kernel@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	schung@...oton.com,
	Jacky Huang <ychuang3@...oton.com>
Subject: [PATCH V1] arm64: dts: nuvoton: ma35d1: add rtc node

From: Jacky Huang <ychuang3@...oton.com>

Add RTC node on MA35D1 and enable the RTC module on SOM and IoT boards.

Signed-off-by: Jacky Huang <ychuang3@...oton.com>
---
 arch/arm64/boot/dts/nuvoton/ma35d1-iot-512m.dts | 4 ++++
 arch/arm64/boot/dts/nuvoton/ma35d1-som-256m.dts | 4 ++++
 arch/arm64/boot/dts/nuvoton/ma35d1.dtsi         | 8 ++++++++
 3 files changed, 16 insertions(+)

diff --git a/arch/arm64/boot/dts/nuvoton/ma35d1-iot-512m.dts b/arch/arm64/boot/dts/nuvoton/ma35d1-iot-512m.dts
index b89e2be6abae..b3be4331abcf 100644
--- a/arch/arm64/boot/dts/nuvoton/ma35d1-iot-512m.dts
+++ b/arch/arm64/boot/dts/nuvoton/ma35d1-iot-512m.dts
@@ -54,3 +54,7 @@ &clk {
 			   "integer",
 			   "integer";
 };
+
+&rtc {
+	status = "okay";
+};
diff --git a/arch/arm64/boot/dts/nuvoton/ma35d1-som-256m.dts b/arch/arm64/boot/dts/nuvoton/ma35d1-som-256m.dts
index a1ebddecb7f8..9858788a589c 100644
--- a/arch/arm64/boot/dts/nuvoton/ma35d1-som-256m.dts
+++ b/arch/arm64/boot/dts/nuvoton/ma35d1-som-256m.dts
@@ -54,3 +54,7 @@ &clk {
 			   "integer",
 			   "integer";
 };
+
+&rtc {
+	status = "okay";
+};
diff --git a/arch/arm64/boot/dts/nuvoton/ma35d1.dtsi b/arch/arm64/boot/dts/nuvoton/ma35d1.dtsi
index 781cdae566a0..394395bfd3ae 100644
--- a/arch/arm64/boot/dts/nuvoton/ma35d1.dtsi
+++ b/arch/arm64/boot/dts/nuvoton/ma35d1.dtsi
@@ -95,6 +95,14 @@ clk: clock-controller@...60200 {
 			clocks = <&clk_hxt>;
 		};
 
+		rtc: rtc@...10000 {
+			compatible = "nuvoton,ma35d1-rtc";
+			reg = <0x0 0x40410000 0x0 0x200>;
+			interrupts = <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&clk RTC_GATE>;
+			status = "disabled";
+		};
+
 		uart0: serial@...00000 {
 			compatible = "nuvoton,ma35d1-uart";
 			reg = <0x0 0x40700000 0x0 0x100>;
-- 
2.34.1