From nobody Wed Oct 1 22:17:40 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 881212571A0; Sun, 28 Sep 2025 17:57:35 +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=1759082257; cv=none; b=u+alUmELBsU+w/ee/uQcaGHkXlieS1rWroqw8iPqEvOfNAXfANDebm9RH9+Tz6mdoYteHPiOGgrnrpCaM6R6pTQwTQ9VOLxVoKaANRinP3/qOUfhHvtNSBBAGAMVKdqd16o95VagDZLR5uouFcTatHOD9GoZJGXcRIsOu8kcGbc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759082257; c=relaxed/simple; bh=dhrg79bBl6ieRfQSPcVxwYo7HoSzJSn6NNEps6jJUiQ=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Xjqbg0FFSXxuuwNqVu0Y2VTnEdxs/h5KjWTgYWKbYpTDthukUzEBNlHt/Vhuo1y5MZM1UwwZtuViMBdrVs3E8vn6phXUaSrnCsoM8fTz6rYnvSzQ/AVTC5lujEmlFmUdyutiU+y0pHTDRM6C48lFAF14uA/bTTKOj1oTuSsesVE= 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=jjZf5GIN; 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="jjZf5GIN" Received: from mail01.disroot.lan (localhost [127.0.0.1]) by disroot.org (Postfix) with ESMTP id 0E8152609E; Sun, 28 Sep 2025 19:57:34 +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 Z0w0NM-CvF_W; Sun, 28 Sep 2025 19:57:33 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1759082253; bh=dhrg79bBl6ieRfQSPcVxwYo7HoSzJSn6NNEps6jJUiQ=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=jjZf5GINZo5YqNeKA2iSyZyCDhJjJP3Blvfjvyxa/Wks0ZiIE0Lra9ACt7xQ+BBPz beX0HkJHn6MslbdSxsOdK+dmx6lgnsTaMtNTeV3BE9/EzKLlYx3oIOUrMz0sNCjs+i S6aXCvzLVOm2L1cKy4qmsWrqxf8AoH9vknHu5qiWIN5jxDj01fp56qHvTQRf9UvRKU 7yG7gTzQvXTg8aKno+Kb79L5RFB1mVJBySwMJjQIrwwOs5faaHnsWGaKWiNR6etOge v79HWJhtlfiSoJLpzgim6p9vpSWDbVdoe5KFNfdDgvourdpxnwKG0ylzR7DMFOvxo1 8Auq5DWazJJ5w== From: Kaustabh Chakraborty Date: Sun, 28 Sep 2025 23:26:38 +0530 Subject: [PATCH v3 4/6] arm64: dts: exynos7870-on7xelte: 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-v3-4-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=2290; i=kauschluss@disroot.org; s=20250202; h=from:subject:message-id; bh=dhrg79bBl6ieRfQSPcVxwYo7HoSzJSn6NNEps6jJUiQ=; b=Yq+9eLHxenA8cmacsmj/yEGxt03LtVmx7QLg6qkDH7kxN4YpC3Vxv4Ifx/hn23UbdUB5m3LcF ENHARYYL54SAfuQ94uy3VtQDL14op8pHej115XvEzOgm2ypzgcrE5SL 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 1080x1920 Synaptics TD4300 display panel. Signed-off-by: Kaustabh Chakraborty --- arch/arm64/boot/dts/exynos/exynos7870-on7xelte.dts | 57 ++++++++++++++++--= ---- 1 file changed, 43 insertions(+), 14 deletions(-) diff --git a/arch/arm64/boot/dts/exynos/exynos7870-on7xelte.dts b/arch/arm6= 4/boot/dts/exynos/exynos7870-on7xelte.dts index b1d9eff5a82702cd7c9797b2124486207e03ad89..18d9dd55161b6ed4f28848d920e= f229c83509442 100644 --- a/arch/arm64/boot/dts/exynos/exynos7870-on7xelte.dts +++ b/arch/arm64/boot/dts/exynos/exynos7870-on7xelte.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 (1080 * 1920 * 4)>; - width =3D <1080>; - height =3D <1920>; - stride =3D <(1080 * 4)>; - format =3D "a8r8g8b8"; - }; }; =20 gpio-keys { @@ -108,8 +95,9 @@ ramoops@46e00000 { pmsg-size =3D <0x4000>; }; =20 - framebuffer@67000000 { + cont_splash_mem: framebuffer@67000000 { reg =3D <0x0 0x67000000 (1080 * 1920 * 4)>; + iommu-addresses =3D <&decon 0x67000000 (1080 * 1920 * 4)>; no-map; }; }; @@ -122,6 +110,47 @@ 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 <1001000000>; + samsung,esc-clock-frequency =3D <16000000>; + samsung,pll-clock-frequency =3D <26000000>; + + status =3D "okay"; + + panel@0 { + compatible =3D "syna,td4300-panel"; + reg =3D <0>; + + backlight-gpios =3D <&gpd3 5 GPIO_ACTIVE_LOW>; + + width-mm =3D <68>; + height-mm =3D <121>; + + panel-timing { + clock-frequency =3D <144389520>; + + hactive =3D <1080>; + hsync-len =3D <4>; + hfront-porch =3D <120>; + hback-porch =3D <32>; + + vactive =3D <1920>; + vsync-len =3D <2>; + vfront-porch =3D <21>; + vback-porch =3D <4>; + }; + }; +}; + &gpu { status =3D "okay"; }; --=20 2.51.0