arm64: dts: rockchip: add RTC to BPI-R2 Pro

Add devicetree node for hym8563 rtc to Bananapi R2 Pro board.

Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Link: https://lore.kernel.org/r/20220608161150.58919-3-linux@fw-web.de
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts b/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts
index 40cf223..f7339f4 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts
@@ -389,6 +389,23 @@
        };
 };
 
+&i2c3 {
+       status = "okay";
+
+       hym8563: rtc@51 {
+               compatible = "haoyu,hym8563";
+               reg = <0x51>;
+               interrupt-parent = <&gpio0>;
+               interrupts = <RK_PD3 IRQ_TYPE_EDGE_FALLING>;
+               #clock-cells = <0>;
+               clock-frequency = <32768>;
+               clock-output-names = "rtcic_32kout";
+               pinctrl-names = "default";
+               pinctrl-0 = <&hym8563_int>;
+               wakeup-source;
+       };
+};
+
 &i2c5 {
        /* pin 3 (SDA) + 4 (SCL) of header con2 */
        status = "disabled";
@@ -411,6 +428,12 @@
                };
        };
 
+       hym8563 {
+               hym8563_int: hym8563-int {
+                       rockchip,pins = <0 RK_PD3 RK_FUNC_GPIO &pcfg_pull_none>;
+               };
+       };
+
        pmic {
                pmic_int: pmic_int {
                        rockchip,pins =