6.17-stable review patch. If anyone has any objections, please let me know.
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From: Alexey Charkov alchark@gmail.com
[ Upstream commit 0adaae77862932a19cc14c086d7fd15ec0ef7703 ]
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.co... Signed-off-by: Heiko Stuebner heiko@sntech.de Stable-dep-of: 843367c7ed19 ("arm64: dts: rockchip: Fix network on rk3576 evb1 board") Signed-off-by: Sasha Levin sashal@kernel.org --- .../boot/dts/rockchip/rk3576-evb1-v10.dts | 22 +++++++++++++++++++ 1 file changed, 22 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3576-evb1-v10.dts b/arch/arm64/boot/dts/rockchip/rk3576-evb1-v10.dts index 56527c56830e3..bfefd37a1ab8c 100644 --- a/arch/arm64/boot/dts/rockchip/rk3576-evb1-v10.dts +++ b/arch/arm64/boot/dts/rockchip/rk3576-evb1-v10.dts @@ -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>;