From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from courrier.aliel.fr (pouet.aliel.fr [65.21.61.41]) (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 25CB630149E; Wed, 18 Feb 2026 10:21:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=65.21.61.41 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771410111; cv=none; b=FdiyTgnJ+1LaADCmQkXnph4Vg/8d+MLh0S6ZpvndR/a/rhWYt5aOwNxQphoOJwMaNPalvnYEKIWOHjlGnF14dkguvpWK1bAULAx+PpqgcTrTEvA1TxcXxnlYs0rToXLSR9Azu9e0BW74qnrUG4QQZExMnuWKA2KL6CHcm3eqSME= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771410111; c=relaxed/simple; bh=SN9ME6m2+GqvYXiK6+XH80iCtYwqSTRmIwev20M6/PE=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=HVf9JLwQBFBj5alSlngRjIKF/9BxVi3iLih6uvlAmNaaC3qUBomaukcgf4HLrpokJ4R7heEisXdmB2dMivHzMf3t+mKE0Dzr5OwV92T5v9VKF6pYkrhyDV4JXi9iw6HZ8Slq43RayIEHfXYiORRnR7CSIpzdIE51/XhlWz+iJqo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=aliel.fr; spf=pass smtp.mailfrom=aliel.fr; dkim=pass (1024-bit key) header.d=aliel.fr header.i=@aliel.fr header.b=IQQus37S; arc=none smtp.client-ip=65.21.61.41 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=aliel.fr Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=aliel.fr Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=aliel.fr header.i=@aliel.fr header.b="IQQus37S" 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 CC8B24CB4C; Wed, 18 Feb 2026 10:21:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=aliel.fr; s=courrier-s1; t=1771410108; bh=SN9ME6m2+GqvYXiK6+XH80iCtYwqSTRmIwev20M6/PE=; h=From:To:Cc:Subject:Date; b=IQQus37S4zLniFCNUT2mE/4TTWQ7NC5uMt3gnh34DunJki8S6XB1YNXta90q8KvWS VFm5TjfVi6lbhWaojPDHaKt9VKR8ecgMw0dYJLe6Nw2E9DvZdH+cj7sX1LbSdXyHbv 1we0do6+0F0awkOJUwNq/Z3XP/JNfhD/42yOexZU= 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 11:21:22 +0100 Message-ID: <20260218102124.35669-1-linux-kernel-dev@aliel.fr> X-Mailer: git-send-email 2.49.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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