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Wed, 29 Apr 2026 06:38:06 +0000 From: Gray Huang To: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, heiko@sntech.de Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, nick@khadas.com, 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 Message-Id: <20260429063712.2150938-3-gray.huang@wesion.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260429063712.2150938-1-gray.huang@wesion.com> References: <20260429063712.2150938-1-gray.huang@wesion.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: TPYP295CA0040.TWNP295.PROD.OUTLOOK.COM (2603:1096:7d0:7::12) To JH0PR03MB8617.apcprd03.prod.outlook.com (2603:1096:990:91::14) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: JH0PR03MB8617:EE_|SEZPR03MB6468:EE_ X-MS-Office365-Filtering-Correlation-Id: 033e16c0-3764-4fbb-80ae-08dea5b9dee3 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|52116014|1800799024|376014|22082099003|56012099003|18002099003|38350700014; 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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 --- .../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