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 6936A2571A0; Sun, 28 Sep 2025 17:57:28 +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=1759082251; cv=none; b=qnrC4BWaQYeuANprd2+LMiaVR78RTaAQwzyTISdC7YE6QYSsYTTBl27mCVuxQCvn4iHe5q3S4ePdYa9ftkOblc4l1RFW6dDAKqtE7z0pzkmSl+gymDHXbv8i4roxF4D1n11rkuMaos14nFvEXGZCP7J/HHJDP/IkO2OYbx1iMT4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759082251; c=relaxed/simple; bh=8Le5undMMIXZ2z+XchUrK44jHybUGhOMO7w0eFDK2PE=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=ALu0BsOk/njs7r8dtgQkdXie40T+FEqaOy9eP6lljQoZDdeDXGl+x3XNngdhLDdlxC1xmXR11Mt50DlzqCZHze/EMQrdiAxQcAt4sdFd7K1+80C8ARI/ai0ZNjFK6y3AfrR575TSSjl/5AnX8LOzGuMCQud8324EcxrGgMwGIYw= 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=cFyntp89; 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="cFyntp89" Received: from mail01.disroot.lan (localhost [127.0.0.1]) by disroot.org (Postfix) with ESMTP id 3B70F25E06; Sun, 28 Sep 2025 19:57:27 +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 vXL8j0hWmIV4; Sun, 28 Sep 2025 19:57:26 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1759082246; bh=8Le5undMMIXZ2z+XchUrK44jHybUGhOMO7w0eFDK2PE=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=cFyntp89NxE1QHijjo6B+U2OpDUXG8anZamfT00LO/F9J3fmOQFN5lor93+YNJz2I E++uGal3RXotmWRy78xu77KY4oWZiOgl3/XLicIqJE8zFrLXSINgDV+4O+QRDHp+Vw QuVgKQQd49fXY1TqADJcoS5w3ic/L8HwvBON1Mvg7IIDM9U6IWPm8nyGsgUkkuTuCk AGkHzkjstEVUg3jTPkfMkl2FpYosKN7okHu3+LPFXHFBeyMVhJT7mTpoa/DirijEwW OLiapuf3APkfTkI+g90ozogeiK6bkagvhd+myGz9Z/UijK5HkJLlLp3qf2F2FZ+X42 KzCKBikLt45hg== From: Kaustabh Chakraborty Date: Sun, 28 Sep 2025 23:26:37 +0530 Subject: [PATCH v3 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: <20250928-exynos7870-drm-dts-v3-3-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=3704; i=kauschluss@disroot.org; s=20250202; h=from:subject:message-id; bh=8Le5undMMIXZ2z+XchUrK44jHybUGhOMO7w0eFDK2PE=; b=dLXXRWQBXHdLs6xYpMLA5pxtEBJn502oObEr5cmyyPicuWmzlJgGvKqYYqqiIdxmyBGOz4htq s0fU57zN/TSBrLNLSbgGWlRArZxlggGf9UTCpPfCxxfAd7gAZkZ4Ms6 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 | 84 ++++++++++++++++++++++++++= ++++ 1 file changed, 84 insertions(+) diff --git a/arch/arm64/boot/dts/exynos/exynos7870.dtsi b/arch/arm64/boot/d= ts/exynos/exynos7870.dtsi index d5d347623b9038b71da55dccdc9084aeaf71618c..2827e10d69625a22328eb20183d= c354c9acbfb8e 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>; @@ -675,6 +683,77 @@ cmu_isp: clock-controller@144d0000 { <&cmu_mif CLK_GOUT_MIF_CMU_ISP_VRA>; }; =20 + syscon_cam0: system-controller@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 ; + + 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>; + clock-names =3D "bus", "pll", "byte", "esc"; + + phys =3D <&mipi_phy 1>; + phy-names =3D "dsim"; + + 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: display-controller@14830000 { + compatible =3D "samsung,exynos7870-decon"; + reg =3D <0x14830000 0x8000>; + interrupts =3D , + , + ; + interrupt-names =3D "fifo", "vsync", "lcd_sys"; + + 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>; + clock-names =3D "pclk_decon0", "aclk_decon0", + "decon0_eclk", "decon0_vclk"; + + iommus =3D <&sysmmu_decon>; + + status =3D "disabled"; + + port { + decon_to_dsi: endpoint { + remote-endpoint =3D <&dsi_to_decon>; + }; + }; + }; + + sysmmu_decon: iommu@14860000 { + compatible =3D "samsung,exynos-sysmmu"; + reg =3D <0x14860000 0x1000>; + interrupts =3D ; + #iommu-cells =3D <0>; + + clocks =3D <&cmu_dispaud CLK_GOUT_DISPAUD_MUX_BUS_USER>; + clock-names =3D "sysmmu"; + }; + pinctrl_dispaud: pinctrl@148c0000 { compatible =3D "samsung,exynos7870-pinctrl"; reg =3D <0x148c0000 0x1000>; @@ -692,6 +771,11 @@ 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: system-controller@148f100c { + compatible =3D "samsung,exynos7870-disp-sysreg", "syscon"; + reg =3D <0x148f100c 0x04>; + }; }; =20 timer { --=20 2.51.0