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 ACC582868B0; Thu, 30 Oct 2025 19:20:49 +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=1761852051; cv=none; b=YMrC+7x6YrkpIav/e1UzdLk8ikkBfXM/EtxnCNM7043z3SZP+NKDgu2f7AvbE/hr3xHE4mTFY2nVo5lZWWLmrSk0faL5AnJvMjwjyGKt2Djz/6UJkJ93LIN39mdf1ZuDiWZcGwj9ooZNNZn84qMzQGheoPL2an4mY76BQPx+uxk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761852051; c=relaxed/simple; bh=8Le5undMMIXZ2z+XchUrK44jHybUGhOMO7w0eFDK2PE=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=DtUBj6Ec3ku6czFAyLWPyDCfAUzUZL3eK481HGJ20JbVFXUnsQmGkCvobPRxOCM1zGIq5BJzSVueQr6J6DKRNsEB7FYfTTkOA+ZchX4e4A1AqZwO+EjCb+uOkYswRUVfuI3w2CIytzPl4LJYrES7hMbcu7Kn5I3J4/+shbh+JEk= 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=U0wBS5AY; 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="U0wBS5AY" Received: from mail01.disroot.lan (localhost [127.0.0.1]) by disroot.org (Postfix) with ESMTP id 356ED25C4A; Thu, 30 Oct 2025 20:20:48 +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 sOxjjuOkuXg1; Thu, 30 Oct 2025 20:20:47 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1761852047; bh=8Le5undMMIXZ2z+XchUrK44jHybUGhOMO7w0eFDK2PE=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=U0wBS5AYE2xtI/+slVvTPa7rjnQv1cVzlZdIWt7cSSjrm2UmzQ3ucgAjfDgNFNpDU 1YK3WwlkalUfoOhjZGPT6eeol3t936LTC85zsJB1tTVxhXsJ0Iu9YUs8K/7iIKIo+g YW/33oUciM34E1/vMJfik3Yv05KG6+hyxTXwGfzPUibosJqRXXbHyooVEIg97hCj/V E6XG0UAL1spcWPlykzl6H3tkbw/pnaFFvauVOPO4B7qeaGpiSjzWIAh0KZ7p+jl3PD YX1HJZT66wx57Rb/ddLhPz4qSjExDnbC3LeDoKff41DSP2QYk9zyu4k33hq3LD9Zp5 j/2CR0ALxnvsg== From: Kaustabh Chakraborty Date: Fri, 31 Oct 2025 00:50:16 +0530 Subject: [PATCH v4 2/5] 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: <20251031-exynos7870-drm-dts-v4-2-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=3704; i=kauschluss@disroot.org; s=20250202; h=from:subject:message-id; bh=8Le5undMMIXZ2z+XchUrK44jHybUGhOMO7w0eFDK2PE=; b=hDqLMiI0s1DaIIRkORJ5vOPp0OsxYNL+59Zn1xSpco2YyrlZ1/KoeZMgg4K/w89oWNLpmPfre Aql+70XVxphB2Pof9ASb89YcThlBNBMtzEAvQN2UfHCgzrTxFsNSZh4 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