From nobody Fri Oct 3 23:13:20 2025 Received: from smtp1.ms.mff.cuni.cz (smtp-in1.ms.mff.cuni.cz [195.113.20.234]) (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 B4FC617C91; Sun, 24 Aug 2025 11:02:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=195.113.20.234 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756033343; cv=none; b=ViPbppgAOnzzKvd8Eq9xkh3XpUs6kcMjjDdLFOgH6sBUnllAjaYBnOFzPqNslUV4Y2CLWqaZofP2xGzJ+Io8K5Csm9Fx7BKBWnzlalezLMzHJQ+mfP/lVBwG/eGwmmH7tsW1j7qkcVX6tlH+NWVJQmAxBaah4qGLEvAdPQxGBdA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756033343; c=relaxed/simple; bh=jRWqCu6ox8FhYgTv8HmAvGfmvKNLit4r6YWSaS4+4zY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=FDgMoIYn+30PNIn67TrbiJxntW23qVXUUCm1ydYczu/L6BfwYAatGo24lh9s5oSvdxeA/kVvP2VkMZLo/S7Qq0LVC8MeslYqbzougjEWN5N9bDKWSQxwOGhjgLOrGUEQS18/gMNLGnADujAowxVWqpzKYBBJNOybLcQYkNXBPps= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=matfyz.cz; spf=pass smtp.mailfrom=matfyz.cz; dkim=pass (2048-bit key) header.d=mff.cuni.cz header.i=@mff.cuni.cz header.b=bXRStTSj; arc=none smtp.client-ip=195.113.20.234 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=matfyz.cz Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=matfyz.cz Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=mff.cuni.cz header.i=@mff.cuni.cz header.b="bXRStTSj" X-SubmittedBy: id balejk@matfyz.cz subject /postalCode=110+2000/O=Univerzita+20Karlova/street=Ovocn+5CxC3+5CxBD+20trh+20560/5/ST=Praha,+20Hlavn+5CxC3+5CxAD+20m+5CxC4+5Cx9Bsto/C=CZ/CN=Karel+20Balej/emailAddress=balejk@matfyz.cz serial F5FD910E8FE2121B897F7E55B84E351D issued by /C=NL/O=GEANT+20Vereniging/CN=GEANT+20Personal+20CA+204 auth type TLS.CUNI DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mff.cuni.cz; s=submission; t=1756033284; x=1757333284; bh=XpMC3BrM1uIB0XbsX1fqE/ZITuthT+QHhc9H0DCFYDU=; h=From; b=bXRStTSjPngcKJy7ovasYiZxGDbWwFqFjxD7iCJDgaYdEg2czS3dN9Xwq17YhZh94 LdpKiMYPy9/2x75MYkbmijSSQZUrU9r9fYu5uXS6M4AmVSgF5v5aBtl02sjXFIwqF8 43YlJDgh3l0/Wv9PMgV5TdZkKpDwBXhHnhQ2OYSsQ4PoGnFJDkemrPVHqXHxILVl6D 3iRpkoGXsxGKh5DIHx/t9zLMy9hMuVKHDQ22lUEvm133+5zScxn6QuQ47XZ7KIR8It gHw/PBFLLEHK6bptL9cTxSHwgJnKs/KrLAT0LF9RFZfs7clzEApjUXlSI5HaXEKvnN rwfEun+gfal9w== Received: from localhost (internet5.mraknet.com [185.200.108.250]) (authenticated) by smtp1.ms.mff.cuni.cz (8.16.1/8.16.1) with ESMTPS id 57OB1N4a083637 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=OK); Sun, 24 Aug 2025 13:01:24 +0200 (CEST) (envelope-from balejk@matfyz.cz) From: Karel Balej To: linux-mmc@vger.kernel.org, ulf.hansson@linaro.org, =?UTF-8?q?Duje=20Mihanovi=C4=87?= , Andrew Lunn , Gregory Clement , Sebastian Hesselbarth , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, Karel Balej Subject: [PATCH mmc/next 2/3] arm64: dts: samsung,coreprimevelte: add touchscreen Date: Sun, 24 Aug 2025 12:53:44 +0200 Message-ID: <20250824110039.28258-3-balejk@matfyz.cz> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250824110039.28258-1-balejk@matfyz.cz> References: <20250824110039.28258-1-balejk@matfyz.cz> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Bind touchscreen for the samsung,coreprimevelte smartphone. The downstream code sets the VDD voltage to the exact value of 3.1 V, however it's been empirically verified that the lower bound used here sufficies for the proper operation of the chip and is thus used for power-saving purposes. Signed-off-by: Karel Balej --- .../mmp/pxa1908-samsung-coreprimevelte.dts | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte= .dts b/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts index 240021e7a371..834b2cf1a204 100644 --- a/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts +++ b/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts @@ -312,6 +312,11 @@ pmic@30 { wakeup-source; =20 regulators { + ldo2: ldo2 { + regulator-min-microvolt =3D <1900000>; + regulator-max-microvolt =3D <3100000>; + }; + ldo6: ldo6 { regulator-boot-on; regulator-min-microvolt =3D <1200000>; @@ -329,6 +334,16 @@ ldo14: ldo14 { =20 &twsi3 { status =3D "okay"; + + touchscreen@50 { + compatible =3D "imagis,ist3032c"; + reg =3D <0x50>; + interrupt-parent =3D <&gpio>; + interrupts =3D <72 IRQ_TYPE_EDGE_FALLING>; + vdd-supply =3D <&ldo2>; + touchscreen-size-x =3D <480>; + touchscreen-size-y =3D <800>; + }; }; =20 &usb { --=20 2.50.1