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arm64: dts: rockchip: Add RTC on rk3576-evb1-v10

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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: Pavel Zhovner <pavel@flipperdevices.com>
Signed-off-by: Alexey Charkov <alchark@gmail.com>
Link: https://lore.kernel.org/r/20250813-evb1-rtcwifibt-v1-1-d13c83422971@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
Alexey Charkov 2025-08-13 00:30:23 +04:00 committed by Heiko Stuebner
parent bb9ef44f05
commit 0adaae7786
1 changed files with 22 additions and 0 deletions
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22
arch/arm64/boot/dts/rockchip/rk3576-evb1-v10.dts
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@ -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>;