arm64: dts: rockchip: add rtc to rock3a

Add devicetree node for hym8563 rtc to
Radxa ROCK3 Model A board.

Signed-off-by: Chukun Pan <amadeus@jmu.edu.cn>
Link: https://lore.kernel.org/r/20220726023046.5876-1-amadeus@jmu.edu.cn
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
index cd8cc0c..037a2c3 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
@@ -484,6 +484,23 @@
        status = "disabled";
 };
 
+&i2c5 {
+       status = "okay";
+
+       hym8563: rtc@51 {
+               compatible = "haoyu,hym8563";
+               reg = <0x51>;
+               interrupt-parent = <&gpio0>;
+               interrupts = <RK_PD3 IRQ_TYPE_LEVEL_LOW>;
+               #clock-cells = <0>;
+               clock-frequency = <32768>;
+               clock-output-names = "rtcic_32kout";
+               pinctrl-names = "default";
+               pinctrl-0 = <&hym8563_int>;
+               wakeup-source;
+       };
+};
+
 &i2s0_8ch {
        status = "okay";
 };
@@ -524,6 +541,12 @@
                };
        };
 
+       hym8563 {
+               hym8563_int: hym8563-int {
+                       rockchip,pins = <0 RK_PD3 RK_FUNC_GPIO &pcfg_pull_up>;
+               };
+       };
+
        leds {
                led_user_en: led_user_en {
                        rockchip,pins = <0 RK_PB7 RK_FUNC_GPIO &pcfg_pull_none>;