Messages in this thread Patch in this message |  | | From | Gray Huang <> | | Subject | [PATCH v2 2/7] arm64: dts: rockchip: Add HYM8563 RTC for Khadas Edge 2L | | Date | Wed, 29 Apr 2026 14:37:07 +0800 |
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The Khadas Edge 2L uses an on-board HYM8563 RTC connected to I2C2. Enable it and expose its 32.768kHz clock output so later board-level patches can reference it as the LPO clock source for the AP6275P wireless module.
Mark the RTC as a wakeup source as well.
Signed-off-by: Gray Huang <gray.huang@wesion.com> --- .../boot/dts/rockchip/rk3576-khadas-edge-2l.dts | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/rockchip/rk3576-khadas-edge-2l.dts b/arch/arm64/boot/dts/rockchip/rk3576-khadas-edge-2l.dts index 5781deae00d9..c85b219fe409 100644 --- a/arch/arm64/boot/dts/rockchip/rk3576-khadas-edge-2l.dts +++ b/arch/arm64/boot/dts/rockchip/rk3576-khadas-edge-2l.dts @@ -46,8 +46,6 @@ vcc_2v0_pldo_s3: regulator-vcc-2v0-pldo-s3 { regulator-max-microvolt = <2000000>; vin-supply = <&vcc_sys>; }; - - }; &cpu_l0 { @@ -431,6 +429,17 @@ regulator-state-mem { }; }; +&i2c2 { + status = "okay"; + + hym8563: hym8563@51 { + compatible = "haoyu,hym8563"; + reg = <0x51>; + #clock-cells = <0>; + clock-output-names = "hym8563"; + wakeup-source; + }; +}; &sdhci { bus-width = <8>; -- 2.34.1
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