From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr1-f44.google.com (mail-wr1-f44.google.com [209.85.221.44]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4453572 for ; Thu, 22 Jul 2021 16:12:30 +0000 (UTC) Received: by mail-wr1-f44.google.com with SMTP id d2so6570794wrn.0 for ; Thu, 22 Jul 2021 09:12:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=EWKGcG6m6lpD17jpJUGcdHL4XL/5in5ssmRd0zz5CFE=; b=D58azlBHvUTHh5+YVEm0omEPcm5TD69+lMvlCBC6+UPA3F+6dzMJg/abiAis9uYZHl HYbmKzowOvp6vJg4N3tW5La48sg75MPqoapKojtq7vWTwU5Bssb/bIANtb6yL+G5c2h+ eAGLxGvd1jx9UgCzJJcLhOEQwWfMKvT1dqOJdlJfEg8ANLLfdG8vssDOjxrbCluWxqTp jRcJPERzE96h2MBnidTBDHkCqlEquWG9BtswC5Q5ZzOzckYK7Hr0RtJRtB96ur528/eK P5m8urcxsUNIRj7bK+4CH8Tivmv9BwUP3ToW+/zXBhXC14OFBEgXXbTDKlHVjxJs2fx9 sugg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=EWKGcG6m6lpD17jpJUGcdHL4XL/5in5ssmRd0zz5CFE=; b=JRLQbZvj/V9Jdw8xpG46wMT36iUT2lRyjFsqG2w1NTf0EDTM9PqnjCau71pUUtwVmJ X0IG2cW+P/DYsgjn5j395fNQrznPFM4Rs+y5CcaJhXCUokp5f081ezHlDp9837rsoMH/ Iz6JpE6ilBg0xOQWgGUFuTTrY117WjG4VEEBJExQwR9L37RSLKp4rDbs1PYjrT7x4hT4 4hiKhQMaz13/z6xoVlQb/C4zIIj2+ehCTYcRY3gEwqMj0XxWKlamxUW59pVIU1gxJAXv kZjg+eWTPIN+ROXm3ZV5MPvfVJiss9YZsEkHYNsNK3uA72utSZ6sBw0AYwxmxNGR0S+y PKnA== X-Gm-Message-State: AOAM530w04jIRzvJDkE22tDjZPRFWYQTwwVhzYJfjuqH+XwMHFlpeNu3 A1j3M5dSB8UNiOqsWWdXr9w= X-Google-Smtp-Source: ABdhPJxUkC7snrfFoWJTIHUcEUZVF3GCGzEDjFLhbaUilEODb4AeyqfTHX+NGVUjkq/Mj3E8jGAuKg== X-Received: by 2002:a05:6000:1043:: with SMTP id c3mr740928wrx.13.1626970348708; Thu, 22 Jul 2021 09:12:28 -0700 (PDT) Received: from kista.localdomain (cpe-86-58-46-198.static.triera.net. [86.58.46.198]) by smtp.gmail.com with ESMTPSA id z6sm3585363wmp.1.2021.07.22.09.12.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Jul 2021 09:12:28 -0700 (PDT) From: Jernej Skrabec To: mripard@kernel.org, wens@csie.org Cc: robh+dt@kernel.org, jernej.skrabec@gmail.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH v2 2/3] arm64: dts: allwinner: h6: tanix-tx6: Add PIO power supplies Date: Thu, 22 Jul 2021 18:12:19 +0200 Message-Id: <20210722161220.51181-3-jernej.skrabec@gmail.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210722161220.51181-1-jernej.skrabec@gmail.com> References: <20210722161220.51181-1-jernej.skrabec@gmail.com> Precedence: bulk X-Mailing-List: linux-sunxi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit While there is no publicly available schematic of this board, it's not hard to determine voltage of GPIO port C, D and G (only ones which can be set). Port C and G are used for MMC/SDIO communication, so they use 1.8 V power supply. It's not clear if port D is even used, but if it is, it's pretty safe to assume it uses 3.3 V power supply. Value read from PIO Group Withstand Voltage Mode Select register from within pre-installed Android agrees with that assesment. Signed-off-by: Jernej Skrabec --- .../boot/dts/allwinner/sun50i-h6-tanix-tx6.dts | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6-tanix-tx6.dts b/arch/arm64/boot/dts/allwinner/sun50i-h6-tanix-tx6.dts index 02641191682e..cf9721ca6370 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-h6-tanix-tx6.dts +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6-tanix-tx6.dts @@ -32,6 +32,13 @@ hdmi_con_in: endpoint { }; }; + reg_vcc1v8: regulator-vcc1v8 { + compatible = "regulator-fixed"; + regulator-name = "vcc1v8"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + }; + reg_vcc3v3: regulator-vcc3v3 { compatible = "regulator-fixed"; regulator-name = "vcc3v3"; @@ -99,6 +106,12 @@ &ohci3 { status = "okay"; }; +&pio { + vcc-pc-supply = <®_vcc1v8>; + vcc-pd-supply = <®_vcc3v3>; + vcc-pg-supply = <®_vcc1v8>; +}; + &r_ir { linux,rc-map-name = "rc-tanix-tx5max"; status = "okay"; -- 2.32.0