[PATCH v3] arm64: dts: rockchip: Enable RTC support for Rock 5B

[Shreeya Patel]

Add DT node to enable RTC support for Rock 5B board.

Signed-off-by: Shreeya Patel <shreeya.patel at collabora.com>
Reviewed-by: Christopher Obbard <chris.obbard at collabora.com>
---

Changes in v3:
  - Use a generic node name.

Changes in v2:
  - Make the subject and commit message  more descriptive.
  - Add a Reviewed-by tag.

 .../boot/dts/rockchip/rk3588-rock-5b.dts      | 25 +++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
index 95805cb0adfa..e63138eb7e8d 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
@@ -27,6 +27,31 @@ vcc5v0_sys: vcc5v0-sys-regulator {
 	};
 };
 
+&i2c6 {
+	status = "okay";
+
+	hym8563: rtc at 51 {
+		compatible = "haoyu,hym8563";
+		reg = <0x51>;
+		#clock-cells = <0>;
+		clock-frequency = <32768>;
+		clock-output-names = "hym8563";
+		pinctrl-names = "default";
+		pinctrl-0 = <&hym8563_int>;
+		interrupt-parent = <&gpio0>;
+		interrupts = <RK_PB0 IRQ_TYPE_LEVEL_LOW>;
+		wakeup-source;
+	};
+};
+
+&pinctrl {
+	hym8563 {
+		hym8563_int: hym8563-int {
+			rockchip,pins = <0 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+};
+
 &sdhci {
 	bus-width = <8>;
 	no-sdio;
-- 
2.30.2