From nobody Wed Oct 1 22:17:39 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 084B5255F2D; Sun, 28 Sep 2025 17:57:43 +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=1759082265; cv=none; b=OxyGdkSMobHSFJugru+7lKx6H4lZ7GSIXOIaoTvnlMkxLneW5gEj6XUZzemR2KCPEHt4Rb90kXLb33AxY/szuZf1AIju+jKbZVataYtV2DLAWI4cBlan1StGC8DP8NrE/lvaDBaHtJAQDCjMxBJis+pOMdKVRzGvRUaKuMle/4M= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759082265; c=relaxed/simple; bh=dz8G2vASF2vWWKjY26SIIdI778aFDZUdkUwOcUEZZPk=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=tIhUmFRpVlYObRbn/8vPaiqbsSenhnZGRc/SXGqnzbCdoohRnC78tzAfcULifFochqstSfLs5aC0xEmJI4zSzN7/KAtY3DTGHMJuQhHLHM/Xec/ySFd1FRn2pctai7gOrq3dPliJiS/w85ppbKEt8qCr3Ux/0lua7k16U3bbGrU= 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=EP+5I8He; 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="EP+5I8He" Received: from mail01.disroot.lan (localhost [127.0.0.1]) by disroot.org (Postfix) with ESMTP id 4925C2609E; Sun, 28 Sep 2025 19:57:42 +0200 (CEST) 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 0Gk7c8tPyBsz; Sun, 28 Sep 2025 19:57:41 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1759082261; bh=dz8G2vASF2vWWKjY26SIIdI778aFDZUdkUwOcUEZZPk=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=EP+5I8HeLH43b5mBUIEeRuK/JFt/oMBadeORNRnr0dxs95hh1MOPP3R6U7fPb/p6v SkcU613M1ds79+2RNsJeAmuNqmNlygedeL2Zn/AE1mGO4y2f2+zQ0jdpsdA2vhe71V 4oOMzWtw7jz7x2aaNdpQQ2ghHqYQPymgXSHHaZEoNxqLvKOstsXGNchExb2MuZxJpu n+TTGdKRjcJvM1zEC0TqBzg9XtjWkvoQtGkfNeNW4OkuDDPvxDKLXKxED6KX7i7vc7 2I+SZSEx1GoD+rHk5/5WtTDCNYli431By169VRSCyXw+ZYFL/Syvk/ugKZXi3o9RSl TsBGWUnUnBSig== From: Kaustabh Chakraborty Date: Sun, 28 Sep 2025 23:26:39 +0530 Subject: [PATCH v3 5/6] 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: <20250928-exynos7870-drm-dts-v3-5-bb7d8e570860@disroot.org> References: <20250928-exynos7870-drm-dts-v3-0-bb7d8e570860@disroot.org> In-Reply-To: <20250928-exynos7870-drm-dts-v3-0-bb7d8e570860@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=1759082219; l=2281; i=kauschluss@disroot.org; s=20250202; h=from:subject:message-id; bh=dz8G2vASF2vWWKjY26SIIdI778aFDZUdkUwOcUEZZPk=; b=bNbC3slo543CtA0K+jVO0kiPtcdAHWpWIlnaP2b9Jbmndbcn3kA70Jmsf9LhMAP9vCubJE/WC I+gYCb5buqjBoa3AmQfeq+EAOjuDyDSSx/rVgYbodHiki6xmZ7tUDiI 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 eb7b48593187409ce6653b7d857b63f6946aa4f7..07dff8809afbd34ed91f7d9cf27= 0a16ce7992539 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