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 E438C274B40; Thu, 30 Oct 2025 19:20:57 +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=1761852059; cv=none; b=LTDV1jX3haVEMOiJIJb1M5THc0YJWUzjAzsXREARVcPe7Z5d6vdeRNU67yIdVfDVD9qvQjcSopBnTplD5OU47mxrTWTwZRQpdcOdwYWMpKTH2plVDuLHBKqDVDEQBrt9SDoIg6wbuXS81Ez/lrXFBVbbepECcDB4F/oI7bTAvCc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761852059; c=relaxed/simple; bh=q0Ub59ZAEdYr+waJdvNVnGcxWOdPZwHebmm7+h4GM0I=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=S9lHe+Wns9Vhbdvb6uqJEeMJZq/z6dQ3Hx7y2m5BAgVLsyxzmENpZCY57KWDKUYdc7g9X+Qr9G3b3WrLxro1KXykzzRSZk89sDqiq+/4kzbeQXDuE6glO2dRwK3nk2wVXRH8fiSCGiNWW+gpDuldy0G9d/mzYg/X8bvchQQq2v0= 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=N1gtAPWP; 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="N1gtAPWP" Received: from mail01.disroot.lan (localhost [127.0.0.1]) by disroot.org (Postfix) with ESMTP id 23FA125EC4; Thu, 30 Oct 2025 20:20:56 +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 VGHbm5yo8muT; Thu, 30 Oct 2025 20:20:55 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1761852055; bh=q0Ub59ZAEdYr+waJdvNVnGcxWOdPZwHebmm7+h4GM0I=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=N1gtAPWPCkaL83FeRN3Rv+iM0voU1Tq0OL0POyzA+HqqR9cZylV9Q1DmcqjoqODKs 3Mb8COznHaIrAa/xArCIRgkC61ckiqarnDDbzXgjF2depx/orpSAbx8PHE1WJE7M+4 6YQc43gU1f2yO0eS6Blq4B7nOSqCESDB57fq9cUYASpmomH9dmVpXvK4BLjEuvwWfX g6izYcD3t3o8/TexLVwQZZ4l/1qD3rb07VZryNhppoatQLFa9MVNq+m6T64X7EemdZ W2zn8Ks7zQvkpzzdcz2A1wCJp4PtAckPuouZcRQDbkxEHH/Y35UCK3VhV+tqORvlNo 0Y1LhKdI5gOlw== From: Kaustabh Chakraborty Date: Fri, 31 Oct 2025 00:50:17 +0530 Subject: [PATCH v4 3/5] 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: <20251031-exynos7870-drm-dts-v4-3-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=2290; i=kauschluss@disroot.org; s=20250202; h=from:subject:message-id; bh=q0Ub59ZAEdYr+waJdvNVnGcxWOdPZwHebmm7+h4GM0I=; b=bFV8U08tpx1eoePV1qg30Le+zARNiee3fgjoNvyl4g0pCeR2pYOHqFNgSECEVCUoBy3XzBd3W R+PumpW/U6GCFlizYKagz3SyTr5tnRVu3niPokSwMvNX+pQ7m1RdoX5 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 2a3d91d390ec7a6e0c49dde493a99e5b18ea2235..29e124c72e9d25f05705909a981= 477f46a86efcf 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