From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E2354E9A03E for ; Wed, 18 Feb 2026 10:54:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=RzBCBT+BBch20+9ZdWz9ApEm8yAExPHjA+GZ3/8W7E0=; b=UPD6PjXM7DIv9YA8cTXu0hClNq XQuxVQQtKz4zid2MxmUshJ6z8rs7RepTm8pSECjKQqFkTCb0qjcjz+6lGGRvoNu1RQjBiJPxl2NoO Uj2lx2b8Jdutd/Okjx98nFmPPJPaGP0xv8wUZLNwJhZxue5hZTMto1enGpqlAdJb3JDSrXIgJFH3X hDPcUpByVA4zTYl9rqCq94SRXf4ajuWm7Ya9S9PbAhUtiaoID5VZxeIvzYeHVlfMFl3gJGfC93BZJ 9cvAmPOM4hg9b3ElZeGV29IeARRCvLANM0hDJoZydNxNs4ZNd05kcY6gPvUkaOenpMESetOfFZ4w5 3ao7qCBA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vsfCS-00000009gDL-1tMM; Wed, 18 Feb 2026 10:54:32 +0000 Received: from pouet.aliel.fr ([65.21.61.41] helo=courrier.aliel.fr) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vsfCO-00000009gCp-1lyo; Wed, 18 Feb 2026 10:54:30 +0000 Received: from localhost.localdomain (2a02-842b-8136-0001-b865-661D-5641-e7C6.rev.sfr.net [IPv6:2a02:842b:8136:1:b865:661d:5641:e7c6]) by courrier.aliel.fr (Postfix) with ESMTPSA id DEF8440244; Wed, 18 Feb 2026 10:54:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=aliel.fr; s=courrier-s1; t=1771412063; bh=SN9ME6m2+GqvYXiK6+XH80iCtYwqSTRmIwev20M6/PE=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=Ws5IGoVFsDpjxp2bzzNiUoyzNUvVXL2zmLuxYIc3OaF/uFiYDYKZrTHuPMFdRGqoI T2scZyu61tzoFo8IRawcknMzeuxk8e+6T20SuxnjXECL7O80jPWCcuDtGgey28Ue4g SyH4Rw2P8mqZjF2DVlZTzRHTRdiY0cXIUkHYhhYw= From: Ronald Claveau To: linux-amlogic@lists.infradead.org Cc: Ronald Claveau , Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 7/7] arm64: dts: amlogic: Add EMMC for T7 khadas VIM4 Date: Wed, 18 Feb 2026 11:53:04 +0100 Message-ID: <20260218105306.36151-1-linux-kernel-dev@aliel.fr> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20260218101709.35450-1-linux-kernel-dev@aliel.fr> References: <20260218101709.35450-1-linux-kernel-dev@aliel.fr> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260218_025428_921319_6654B8E1 X-CRM114-Status: UNSURE ( 8.77 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add EMMC support for Amlogic T7 Khadas VIM4 device dts. Signed-off-by: Ronald Claveau --- .../amlogic/amlogic-t7-a311d2-khadas-vim4.dts | 62 +++++++++++++++++++ 1 file changed, 62 insertions(+) diff --git a/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts b/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts index fffdab96b12e..fbc43a307015 100644 --- a/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts +++ b/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts @@ -15,6 +15,10 @@ aliases { serial0 = &uart_a; }; + chosen { + stdout-path = "serial0:921600n8"; + }; + memory@0 { device_type = "memory"; reg = <0x0 0x0 0x2 0x0>; /* 8 GB */ @@ -45,6 +49,42 @@ xtal: xtal-clk { #clock-cells = <0>; }; + dc_in: regulator-dc-in { + compatible = "regulator-fixed"; + regulator-name = "DC_IN"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + regulator-always-on; + }; + + vsys_3v3: regulator-vsys-3v3 { + compatible = "regulator-fixed"; + regulator-name = "VSYS_3V3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + vin-supply = <&dc_in>; + regulator-always-on; + }; + + vcc_3v3: regulator-vcc-3v3 { + compatible = "regulator-fixed"; + regulator-name = "VCC_3V3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + vin-supply = <&vsys_3v3>; + regulator-always-on; + /* FIXME: actually controlled by VDDCPU_B_EN */ + }; + + emmc_1v8: regulator-emmc-1v8 { + compatible = "regulator-fixed"; + regulator-name = "EMMC_AO1V8"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + vin-supply = <&vcc_3v3>; + regulator-always-on; + }; + }; &uart_a { @@ -52,3 +92,25 @@ &uart_a { clocks = <&xtal>, <&xtal>, <&xtal>; clock-names = "xtal", "pclk", "baud"; }; + +/* eMMC */ +&sd_emmc_c { + status = "okay"; + pinctrl-0 = <&emmc_ctrl_pins>, <&emmc_data_8b_pins>, <&emmc_ds_pins>; + pinctrl-1 = <&emmc_clk_gate_pins>; + pinctrl-names = "default", "clk-gate"; + + bus-width = <8>; + cap-mmc-highspeed; + mmc-ddr-1_8v; + mmc-hs200-1_8v; + mmc-hs400-1_8v; + max-frequency = <200000000>; + disable-wp; + non-removable; + + power-domains = <&pwrc PWRC_T7_EMMC_ID>; + + vmmc-supply = <&vcc_3v3>; + vqmmc-supply = <&emmc_1v8>; +}; -- 2.49.0