From nobody Wed Oct 8 16:06:04 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 985E32EF677; Thu, 26 Jun 2025 20:14:16 +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=1750968858; cv=none; b=oxRud679Bs2MUMQ7XZfsx8ZyNhxC4r0S9HW4twBBySfCDw7G5uvttWKMXABI8cLfcX6mVCanubObXySsTYx8GdcGoapAHX1CVTeGriY6B5geb4Aa+mFE5zo1Jw+Umolq8JpW2dOjtMnQnr/kS4Vsktsjl28KaigL5GTURRoP1p0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750968858; c=relaxed/simple; bh=YQGxP837FMfsZ7sgYr4PEUL5xTbnk3J7xuvIEEKJguc=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=X/aLiqQRS/XydCc8YFPkczi4HAaPy16EGwbEzdWpjZ69ZNQvzFCbahmrzUCfS3AbzLPxnrgjmjGtOlSRyuQMIM7jAlWijM+7cYJZmsyvxZxAiU0gCiwv7OFnWMbkCSVFdZyD8GRIsdUXtMDhYZrnbrV2qCqISuePHnanvKmhUL0= 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=jCcKp5w1; 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="jCcKp5w1" Received: from mail01.disroot.lan (localhost [127.0.0.1]) by disroot.org (Postfix) with ESMTP id 20BF125F0C; Thu, 26 Jun 2025 22:14:15 +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 gvemXsufPrjN; Thu, 26 Jun 2025 22:14:14 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1750968854; bh=YQGxP837FMfsZ7sgYr4PEUL5xTbnk3J7xuvIEEKJguc=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=jCcKp5w1cQ/E3vgBIhKRbFkKcWorF0x1eJPKWH7jXCwMSouF1dvdzIMGMA3siCFs0 N91PHyqTRi6VY/fOSA5WqeVgAjT4Bu0AAf4vO7u5AzknBJbo+ZpJV1E9L7kzt/c3A6 RdWhFtw81zd7NlJGgO3uh1OkyPPCcqudiR7H+XflVtRnKayx47adBXjmp/BVNyLMwX LEF7TXuQlbcdZEoXRZJ63Prmu2NvmlpVcFzjNW5wpLfN+ftL62nbLWmRrG5iUxhL+i xztdwMrzFwN5/VALky4Ezf+YLl4BnIW36o8gMDUMRWxMkL9uz15itQ8j/gH701eKQD sjCKGc+xZPNpA== From: Kaustabh Chakraborty Date: Fri, 27 Jun 2025 01:43:26 +0530 Subject: [PATCH v2 3/6] arm64: dts: exynos7870: add DSI 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: <20250627-exynos7870-drm-dts-v2-3-d4a59207390d@disroot.org> References: <20250627-exynos7870-drm-dts-v2-0-d4a59207390d@disroot.org> In-Reply-To: <20250627-exynos7870-drm-dts-v2-0-d4a59207390d@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=1750968815; l=3772; i=kauschluss@disroot.org; s=20250202; h=from:subject:message-id; bh=YQGxP837FMfsZ7sgYr4PEUL5xTbnk3J7xuvIEEKJguc=; b=pM/4LbUdeM5YNlDoRON2PdU8L75dtPbGiRfOand+KGW/Pdo/HxNOH5BkdLMf8L3CoENG2yfp3 4c/FM/cDNhVDY1hNOO9gvIpKTVgeBVGcifXxLwCewS0lVWDadhembwz X-Developer-Key: i=kauschluss@disroot.org; a=ed25519; pk=h2xeR+V2I1+GrfDPAhZa3M+NWA0Cnbdkkq1bH3ct1hE= Add devicetree nodes for MIPI PHYs, Samsung's DECON and DSIM blocks, and DECON IOMMU devicetree nodes. Enables SoC support for hardware to be able to drive a MIPI DSI display. Signed-off-by: Kaustabh Chakraborty --- arch/arm64/boot/dts/exynos/exynos7870.dtsi | 90 ++++++++++++++++++++++++++= ++++ 1 file changed, 90 insertions(+) diff --git a/arch/arm64/boot/dts/exynos/exynos7870.dtsi b/arch/arm64/boot/d= ts/exynos/exynos7870.dtsi index 5cba8c9bb403405b2d9721ab8cf9d61e3d5faf95..5f143216c758d9994bd508dc60f= be30f4cd9ee5f 100644 --- a/arch/arm64/boot/dts/exynos/exynos7870.dtsi +++ b/arch/arm64/boot/dts/exynos/exynos7870.dtsi @@ -178,6 +178,14 @@ pmu_system_controller: system-controller@10480000 { "samsung,exynos7-pmu", "syscon"; reg =3D <0x10480000 0x10000>; =20 + mipi_phy: mipi-phy { + compatible =3D "samsung,exynos7870-mipi-video-phy"; + #phy-cells =3D <1>; + + samsung,cam0-sysreg =3D <&syscon_cam0>; + samsung,disp-sysreg =3D <&syscon_disp>; + }; + reboot-mode { compatible =3D "syscon-reboot-mode"; offset =3D <0x080c>; @@ -674,6 +682,83 @@ cmu_isp: clock-controller@144d0000 { <&cmu_mif CLK_GOUT_MIF_CMU_ISP_VRA>; }; =20 + syscon_cam0: syscon@144f1040 { + compatible =3D "samsung,exynos7870-cam0-sysreg", "syscon"; + reg =3D <0x144f1040 0x04>; + }; + + dsi: dsi@14800000 { + compatible =3D "samsung,exynos7870-mipi-dsi"; + reg =3D <0x14800000 0x100>; + interrupts =3D ; + + clock-names =3D "bus", "pll", "byte", "esc"; + clocks =3D <&cmu_dispaud CLK_GOUT_DISPAUD_BUS_DISP>, + <&cmu_dispaud CLK_GOUT_DISPAUD_APB_DISP>, + <&cmu_dispaud CLK_GOUT_DISPAUD_MUX_MIPIPHY_TXBYTECLKHS_USER>, + <&cmu_dispaud CLK_GOUT_DISPAUD_MUX_MIPIPHY_RXCLKESC0_USER>; + + phy-names =3D "dsim"; + phys =3D <&mipi_phy 1>; + + status =3D "disabled"; + + ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + + port@0 { + reg =3D <0>; + + dsi_to_decon: endpoint { + remote-endpoint =3D <&decon_to_dsi>; + }; + }; + }; + }; + + decon: decon@14830000 { + compatible =3D "samsung,exynos7870-decon"; + reg =3D <0x14830000 0x8000>; + interrupt-names =3D "fifo", "vsync", "lcd_sys"; + interrupts =3D , + , + ; + + clock-names =3D "pclk_decon0", "aclk_decon0", + "decon0_eclk", "decon0_vclk"; + clocks =3D <&cmu_dispaud CLK_GOUT_DISPAUD_MUX_PLL>, + <&cmu_dispaud CLK_GOUT_DISPAUD_MUX_BUS_USER>, + <&cmu_dispaud CLK_GOUT_DISPAUD_MUX_DECON_ECLK>, + <&cmu_dispaud CLK_GOUT_DISPAUD_MUX_DECON_VCLK>; + + iommus =3D <&sysmmu_decon>; + + status =3D "disabled"; + + ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + + port@0 { + reg =3D <0>; + decon_to_dsi: endpoint { + remote-endpoint =3D <&dsi_to_decon>; + }; + }; + }; + }; + + sysmmu_decon: sysmmu@14860000 { + compatible =3D "samsung,exynos-sysmmu"; + reg =3D <0x14860000 0x1000>; + interrupts =3D ; + #iommu-cells =3D <0>; + + clock-names =3D "sysmmu"; + clocks =3D <&cmu_dispaud CLK_GOUT_DISPAUD_MUX_BUS_USER>; + }; + pinctrl_dispaud: pinctrl@148c0000 { compatible =3D "samsung,exynos7870-pinctrl"; reg =3D <0x148c0000 0x1000>; @@ -691,6 +776,11 @@ cmu_dispaud: clock-controller@148d0000 { <&cmu_mif CLK_GOUT_MIF_CMU_DISPAUD_DECON_ECLK>, <&cmu_mif CLK_GOUT_MIF_CMU_DISPAUD_DECON_VCLK>; }; + + syscon_disp: syscon@148f100c { + compatible =3D "samsung,exynos7870-disp-sysreg", "syscon"; + reg =3D <0x148f100c 0x04>; + }; }; =20 timer { --=20 2.49.0