rk3568 android11 RTC hym8563调试

rk3568 android11 RTC hym8563调试

1、原理图如下：

2、 kernel部分：

kernel/arch/arm64/boot/dts/rockchip/rk3568-evb1-ddr4-v10.dtsi

kernel/arch/arm64/configs/rockchip_defconfig

diff --git a/arch/arm64/boot/dts/rockchip/rk3568-evb1-ddr4-v10.dtsi b/arch/arm64/boot/dts/rockchip/rk3568-evb1-ddr4-v10.dtsi
old mode 100644
new mode 100755
index d4035a3..b8489b1
--- a/arch/arm64/boot/dts/rockchip/rk3568-evb1-ddr4-v10.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3568-evb1-ddr4-v10.dtsi
@@ -270,6 +270,21 @@
 	power-supply = <&vcc3v3_lcd0_n>;
 };
 
+&i2c5 {
+	status = "okay";
+
+	hym8563: hym8563@51 {
+		status = "okay";
+		compatible = "haoyu,hym8563";
+		reg = <0x51>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&rtc_int>;
+		interrupt-parent = <&gpio0>;
+		interrupts = ;
+	};	
+};
+
+
 &i2c4 {
 	status = "okay";
 	gc8034: gc8034@37 {
@@ -380,6 +395,13 @@
 				<0 RK_PC1 RK_FUNC_GPIO &pcfg_pull_none>;
 		};
 	};
+	
+	rtc {
+		rtc_int: rtc-int {
+			rockchip,pins = <0 RK_PD3 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+	};
+	
 	headphone {
 		hp_det: hp-det {
 			rockchip,pins = <3 RK_PC2 RK_FUNC_GPIO &pcfg_pull_down>;
diff --git a/arch/arm64/configs/rockchip_defconfig b/arch/arm64/configs/rockchip_defconfig
old mode 100644
new mode 100755
index ff0cf61..4ab26a9
--- a/arch/arm64/configs/rockchip_defconfig
+++ b/arch/arm64/configs/rockchip_defconfig
@@ -801,7 +801,8 @@ CONFIG_LEDS_TRIGGER_HEARTBEAT=y
 CONFIG_LEDS_TRIGGER_BACKLIGHT=y
 CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
 CONFIG_RTC_CLASS=y
-CONFIG_RTC_DRV_RK808=y
+#CONFIG_RTC_DRV_RK808 is not set
+CONFIG_RTC_DRV_HYM8563=y
 CONFIG_DMADEVICES=y
 CONFIG_PL330_DMA=y
 CONFIG_SW_SYNC=y