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Fri, 27 Mar 2026 09:30:34 +0000 From: Nick Xie To: neil.armstrong@linaro.org, khilman@baylibre.com, martin.blumenstingl@googlemail.com, jbrunet@baylibre.com Cc: krzk+dt@kernel.org, robh@kernel.org, conor+dt@kernel.org, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Nick Xie Subject: [PATCH v1 2/3] arm64: dts: amlogic: meson-s4-s905y4-khadas-vim1s: enable HYM8563 RTC Date: Fri, 27 Mar 2026 17:30:15 +0800 Message-Id: <20260327093016.722095-3-nick@khadas.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260327093016.722095-1-nick@khadas.com> References: <20260327093016.722095-1-nick@khadas.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: TYCP286CA0214.JPNP286.PROD.OUTLOOK.COM (2603:1096:400:3c5::10) To PS1PPF62EEA9B1D.apcprd03.prod.outlook.com (2603:1096:308::2da) Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PS1PPF62EEA9B1D:EE_|SE1PPFE32D229A3:EE_ X-MS-Office365-Filtering-Correlation-Id: cbf7b5e7-40ae-47ff-be72-08de8be37f17 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|1800799024|7416014|52116014|376014|18002099003|38350700014|22082099003|56012099003; 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Enable the I2C1 controller and add the RTC child node to support hardware clock persistence. Signed-off-by: Nick Xie --- .../dts/amlogic/meson-s4-s905y4-khadas-vim1s.dts | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/arch/arm64/boot/dts/amlogic/meson-s4-s905y4-khadas-vim1s.dts b/arch/arm64/boot/dts/amlogic/meson-s4-s905y4-khadas-vim1s.dts index 792ab45c4c944..7314e0ab81da3 100644 --- a/arch/arm64/boot/dts/amlogic/meson-s4-s905y4-khadas-vim1s.dts +++ b/arch/arm64/boot/dts/amlogic/meson-s4-s905y4-khadas-vim1s.dts @@ -20,6 +20,8 @@ aliases { mmc0 = &emmc; /* eMMC */ mmc1 = &sd; /* SD card */ mmc2 = &sdio; /* SDIO */ + rtc0 = &rtc; + rtc1 = &vrtc; serial0 = &uart_b; }; @@ -223,6 +225,19 @@ ðmac { phy-mode = "rmii"; }; +&i2c1 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&i2c1_pins2>; + clock-frequency = <100000>; + + rtc: rtc@51 { + compatible = "haoyu,hym8563"; + reg = <0x51>; + #clock-cells = <0>; + }; +}; + &ir { status = "okay"; pinctrl-0 = <&remote_pins>; -- 2.34.1