Commit 0adaae77 authored by Alexey Charkov's avatar Alexey Charkov Committed by Heiko Stuebner
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arm64: dts: rockchip: Add RTC on rk3576-evb1-v10 



Add the I2C connected RTC chip to the Rockchip RK3576 EVB1 board.

Apart from the realtime clock functionality, it also provides a 32 kHz
clock source for the onboard WiFi chip.

Tested-by: default avatarPavel Zhovner <pavel@flipperdevices.com>
Signed-off-by: default avatarAlexey Charkov <alchark@gmail.com>
Link: https://lore.kernel.org/r/20250813-evb1-rtcwifibt-v1-1-d13c83422971@gmail.com


Signed-off-by: default avatarHeiko Stuebner <heiko@sntech.de>
parent bb9ef44f

arch/arm64/boot/dts/rockchip/rk3576-evb1-v10.dts

+22 −0
Original line number Diff line number Diff line
@@ -680,6 +680,22 @@ regulator-state-mem { 
	};

};



&i2c2 {

	status = "okay";



	hym8563: rtc@51 {

		compatible = "haoyu,hym8563";

		reg = <0x51>;

		clock-output-names = "hym8563";

		interrupt-parent = <&gpio0>;

		interrupts = <RK_PA0 IRQ_TYPE_LEVEL_LOW>;

		pinctrl-names = "default";

		pinctrl-0 = <&rtc_int>;

		wakeup-source;

		#clock-cells = <0>;

	};

};



&mdio0 {

	rgmii_phy0: phy@1 {

		compatible = "ethernet-phy-ieee802.3-c22";
@@ -708,6 +724,12 @@ &pcie1 { 
};



&pinctrl {

	hym8563 {

		rtc_int: rtc-int {

			rockchip,pins = <0 RK_PA0 RK_FUNC_GPIO &pcfg_pull_up>;

		};

	};



	usb {

		usb_host_pwren: usb-host-pwren {

			rockchip,pins = <0 RK_PC7 RK_FUNC_GPIO &pcfg_pull_none>;