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charset="utf-8" Add the Virtual RTC (VRTC) controller node to the Meson S4 SoC dtsi. Signed-off-by: Nick Xie Reviewed-by: Neil Armstrong --- arch/arm64/boot/dts/amlogic/meson-s4.dtsi | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/boot/dts/amlogic/meson-s4.dtsi b/arch/arm64/boot/dt= s/amlogic/meson-s4.dtsi index 936a5c1353d15..2a6fbd5308362 100644 --- a/arch/arm64/boot/dts/amlogic/meson-s4.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-s4.dtsi @@ -59,6 +59,11 @@ psci { method =3D "smc"; }; =20 + vrtc: rtc@fe010288 { + compatible =3D "amlogic,meson-vrtc"; + reg =3D <0x0 0xfe010288 0x0 0x4>; + }; + xtal: xtal-clk { compatible =3D "fixed-clock"; clock-frequency =3D <24000000>; --=20 2.34.1 From nobody Thu Apr 2 16:58:52 2026 Received: from OS8PR02CU002.outbound.protection.outlook.com (mail-japanwestazon11022090.outbound.protection.outlook.com [40.107.75.90]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 031E73D813E; Fri, 27 Mar 2026 09:30:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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charset="utf-8" The Khadas VIM1S board has an on-board Haoyu Micro HYM8563 Real Time Clock (RTC) connected to the I2C1 bus. Enable the I2C1 controller and add the RTC child node to support hardware clock persistence. Signed-off-by: Nick Xie Reviewed-by: Neil Armstrong --- .../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 =3D &emmc; /* eMMC */ mmc1 =3D &sd; /* SD card */ mmc2 =3D &sdio; /* SDIO */ + rtc0 =3D &rtc; + rtc1 =3D &vrtc; serial0 =3D &uart_b; }; =20 @@ -223,6 +225,19 @@ ðmac { phy-mode =3D "rmii"; }; =20 +&i2c1 { + status =3D "okay"; + pinctrl-names =3D "default"; + pinctrl-0 =3D <&i2c1_pins2>; + clock-frequency =3D <100000>; + + rtc: rtc@51 { + compatible =3D "haoyu,hym8563"; + reg =3D <0x51>; + #clock-cells =3D <0>; + }; +}; + &ir { status =3D "okay"; pinctrl-0 =3D <&remote_pins>; --=20 2.34.1 From nobody Thu Apr 2 16:58:52 2026 Received: from OS8PR02CU002.outbound.protection.outlook.com (mail-japanwestazon11022090.outbound.protection.outlook.com [40.107.75.90]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 548EF3DC4B9; 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mx.microsoft.com 1; spf=pass smtp.mailfrom=khadas.com; dmarc=pass action=none header.from=khadas.com; dkim=pass header.d=khadas.com; arc=none Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=khadas.com; Received: from PS1PPF62EEA9B1D.apcprd03.prod.outlook.com (2603:1096:308::2da) by SE1PPFE32D229A3.apcprd03.prod.outlook.com (2603:1096:108:1::86d) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9745.20; Fri, 27 Mar 2026 09:30:36 +0000 Received: from PS1PPF62EEA9B1D.apcprd03.prod.outlook.com ([fe80::20a2:a696:ac88:2549]) by PS1PPF62EEA9B1D.apcprd03.prod.outlook.com ([fe80::20a2:a696:ac88:2549%4]) with mapi id 15.20.9745.019; Fri, 27 Mar 2026 09:30:36 +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 3/3] arm64: dts: amlogic: meson-s4-s905y4-khadas-vim1s: use rc-khadas keymap Date: Fri, 27 Mar 2026 17:30:16 +0800 Message-Id: <20260327093016.722095-4-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: quoted-printable 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: linux-kernel@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: a132f9f7-72c2-4d88-3fa3-08de8be3808d 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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charset="utf-8" The Khadas VIM1S board has an onboard IR receiver. Configure the default keymap to "rc-khadas" to support the official Khadas IR remote control. Signed-off-by: Nick Xie Reviewed-by: Neil Armstrong --- arch/arm64/boot/dts/amlogic/meson-s4-s905y4-khadas-vim1s.dts | 1 + 1 file changed, 1 insertion(+) 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 7314e0ab81da3..99d5df71b9cd4 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 @@ -242,6 +242,7 @@ &ir { status =3D "okay"; pinctrl-0 =3D <&remote_pins>; pinctrl-names =3D "default"; + linux,rc-map-name =3D "rc-khadas"; }; =20 &pwm_ef { --=20 2.34.1