From nobody Wed Dec 17 10:52:42 2025 Received: from layka.disroot.org (layka.disroot.org [178.21.23.139]) (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 63F742E2663; Thu, 30 Oct 2025 19:21:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.21.23.139 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761852066; cv=none; b=mj7lhmgzGQ/eE/+HiIuExwRb6vIJnYRirw/HyFzHislqSgVi1+7+hsqT3HiQ784wFW0mXSM4mWRm6ZUrJzPfL/IPdiVzZWuEIW5jsxaIeCCNc49B2TEaZlyIRX0RoS3W+Hjhvy3s12OBxpX1p7IlgFWzTjIbGjtBNzBCVuZxY4Y= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761852066; c=relaxed/simple; bh=gCZC2hfr3oNwXsihsbr7So/902BJGZg/qBfw2mGaraY=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=ms3/cagkcg7kbBJmNr8FJd33KhXZn6h41571GTyDhOBbEKVPf0QyXEXyagzWhktiiLXJFwMzI6j79pMtUf62UtzMaT8jIUPAPMu41H3qCXQiuiwNkUkIWnqvu+PPJg5wyfOsO14FbATNHZmaBEtYubHKUdLb0T6O5UsJK/Cz12g= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=disroot.org; spf=pass smtp.mailfrom=disroot.org; dkim=pass (2048-bit key) header.d=disroot.org header.i=@disroot.org header.b=jSmiYUcR; arc=none smtp.client-ip=178.21.23.139 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=disroot.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=disroot.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=disroot.org header.i=@disroot.org header.b="jSmiYUcR" Received: from mail01.disroot.lan (localhost [127.0.0.1]) by disroot.org (Postfix) with ESMTP id 1726125CE1; Thu, 30 Oct 2025 20:21:04 +0100 (CET) X-Virus-Scanned: SPAM Filter at disroot.org Received: from layka.disroot.org ([127.0.0.1]) by localhost (disroot.org [127.0.0.1]) (amavis, port 10024) with ESMTP id PPcBtd3wO5oj; Thu, 30 Oct 2025 20:21:03 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1761852063; bh=gCZC2hfr3oNwXsihsbr7So/902BJGZg/qBfw2mGaraY=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=jSmiYUcRMVvbeMGHiL1iiLoDF8cBo2SJqZzk5XYUUuVbSZR+91g0ELKGk+daUhJ8V MRAMRoAUiEdlU/mbPnAx2U/AequTnRCdE+E1IuzAa/es1/OwUZRxm94fb7nexcPN/j oyk9qVTB58sTGovmg3hZqfge930jaXTbFjNiQAwDHlS4x0jztjv/mtSM54UpgoIpmj pbw++bV78ErF7bwRVBpXSiP477iQ+oqPAOncA1imNV2cubl/2dydQoAU8te4bUjTDp tSNxuz2rKN4sfD1j2YXHe7SEu78dfOKdAxwwhkYBnnxSTn92AfLDDszZH8E/5zST6h eFaW6hyr9CR+A== From: Kaustabh Chakraborty Date: Fri, 31 Oct 2025 00:50:18 +0530 Subject: [PATCH v4 4/5] arm64: dts: exynos7870-a2corelte: enable display panel support Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251031-exynos7870-drm-dts-v4-4-c1f77fb16b87@disroot.org> References: <20251031-exynos7870-drm-dts-v4-0-c1f77fb16b87@disroot.org> In-Reply-To: <20251031-exynos7870-drm-dts-v4-0-c1f77fb16b87@disroot.org> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Alim Akhtar Cc: Krzysztof Kozlowski , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Kaustabh Chakraborty X-Developer-Signature: v=1; a=ed25519-sha256; t=1761852020; l=2281; i=kauschluss@disroot.org; s=20250202; h=from:subject:message-id; bh=gCZC2hfr3oNwXsihsbr7So/902BJGZg/qBfw2mGaraY=; b=O4+V9VOCvcV6kL/33xJ9HqNwn/B3q3l+lxMdfIRV5RATyKeuCbegysgtjkKqIQbU16khyJw4O Bw7A2/M9TubBP661CRiRsE9K9uWUXqcTu0931F+Fk2QpTVZXU8ZikYO X-Developer-Key: i=kauschluss@disroot.org; a=ed25519; pk=h2xeR+V2I1+GrfDPAhZa3M+NWA0Cnbdkkq1bH3ct1hE= Enable DECON and DSI nodes, and add the compatible display panel and appropriate panel timings for this device. Also, remove the simple-framebuffer node in favor of the panel. This device has a 540x960 Synaptics TD4101 display panel. Signed-off-by: Kaustabh Chakraborty --- .../arm64/boot/dts/exynos/exynos7870-a2corelte.dts | 57 ++++++++++++++++--= ---- 1 file changed, 43 insertions(+), 14 deletions(-) diff --git a/arch/arm64/boot/dts/exynos/exynos7870-a2corelte.dts b/arch/arm= 64/boot/dts/exynos/exynos7870-a2corelte.dts index 07467158ee6a37e17402fb50554184c4c93f77d5..6f40ca4350ed72b57e511165e53= f00e77f8978f3 100644 --- a/arch/arm64/boot/dts/exynos/exynos7870-a2corelte.dts +++ b/arch/arm64/boot/dts/exynos/exynos7870-a2corelte.dts @@ -27,20 +27,7 @@ aliases { }; =20 chosen { - #address-cells =3D <2>; - #size-cells =3D <1>; - ranges; - stdout-path =3D &serial2; - - framebuffer@67000000 { - compatible =3D "simple-framebuffer"; - reg =3D <0x0 0x67000000 (540 * 960 * 4)>; - width =3D <540>; - height =3D <960>; - stride =3D <(540 * 4)>; - format =3D "a8r8g8b8"; - }; }; =20 gpio-keys { @@ -110,8 +97,9 @@ ramoops@46800000 { pmsg-size =3D <0x4000>; }; =20 - framebuffer@67000000 { + cont_splash_mem: framebuffer@67000000 { reg =3D <0x0 0x67000000 (540 * 960 * 4)>; + iommu-addresses =3D <&decon 0x67000000 (540 * 960 * 4)>; no-map; }; }; @@ -124,6 +112,47 @@ vibrator { }; }; =20 +&decon { + memory-region =3D <&cont_splash_mem>; + + status =3D "okay"; +}; + +&dsi { + #address-cells =3D <1>; + #size-cells =3D <0>; + + samsung,burst-clock-frequency =3D <836000000>; + samsung,esc-clock-frequency =3D <16000000>; + samsung,pll-clock-frequency =3D <26000000>; + + status =3D "okay"; + + panel@0 { + compatible =3D "syna,td4101-panel"; + reg =3D <0>; + + backlight-gpios =3D <&gpd3 7 GPIO_ACTIVE_LOW>; + + width-mm =3D <62>; + height-mm =3D <110>; + + panel-timing { + clock-frequency =3D <69336720>; + + hactive =3D <540>; + hsync-len =3D <4>; + hfront-porch =3D <364>; + hback-porch =3D <40>; + + vactive =3D <960>; + vsync-len =3D <2>; + vfront-porch =3D <244>; + vback-porch =3D <13>; + }; + }; +}; + &gpu { status =3D "okay"; }; --=20 2.51.0