From patchwork Thu Jun 12 15:23:38 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kaustabh Chakraborty X-Patchwork-Id: 896210 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 5F8F92BF3DF; Thu, 12 Jun 2025 15:24:17 +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=1749741859; cv=none; b=qNj+t7HiN+53VF+h1FPykeAdi8yc/hSoFEWFyIOZvxSQsivsdYCS9moFCMx0AQYQqjPxg75C2mMOYeA7C5CNzox9dxIHuoRZl7ZtYEruzuyOALcr6Gak8Dp1WmwDECmc3wSQE6ygOhMs2znTfY+mCcW4Vo3CipSB3qraYOn0VtU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749741859; c=relaxed/simple; bh=0tk46VOA66/3d6qEQYb+l0xO5AU5QMnPGgQyQYlF/vI=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=cm6NUTxFsVDhGmLyUXbfbBYRXf953BzRxw0w0pwnVZ7sqiMP00GRVDFQIPblNspY4rbENydvfRYbVq8d4MNiq8Fnqs0eWVjdZW9CXkXqIuE1+wv3IbzKXVbMlnIZNYeP1y2RcfKpnKuTLkKJ7wJjkh/kigaz8pVr4nYyxE4AS7c= 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=c9oYCxm6; 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="c9oYCxm6" Received: from mail01.disroot.lan (localhost [127.0.0.1]) by disroot.org (Postfix) with ESMTP id 2ACBD25F65; Thu, 12 Jun 2025 17:24:16 +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 r_qGc3chGkXr; Thu, 12 Jun 2025 17:24:14 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1749741854; bh=0tk46VOA66/3d6qEQYb+l0xO5AU5QMnPGgQyQYlF/vI=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=c9oYCxm6GzAKVUh3/hD8mUU1mPHM0GoTYBTH4HmJAG7VE7B9Y99P7sCDQ4qv2mpXx I8J/8GjyUnSo/k7MtjpC7x8kTvlmsv9KK2FS3Zfkm1V513+FM9Z8Dqcd6HuZYqjovy HhUzgxCBWHXOWpeue2JxAs4RM/zZAOJjI1TAty5yy1O5Q9Hn7FfqZMu7zzwS11l+x1 zdGcqg4Qu8fo+qUGXVr32YjbQ7AkCqr5qLgNRfZmufgvdYg81M89Ba/m8LdV1vNDKA TTBX7bPAAXw25uss6vAddZLSB+sqGRZtUM3K8zf8JsgUIsJsC6LZxbE7o5Aq+O1E28 YDng7IvzQtrVQ== From: Kaustabh Chakraborty Date: Thu, 12 Jun 2025 20:53:38 +0530 Subject: [PATCH 2/5] arch: arm64: dts: exynos7870: add DSI support Precedence: bulk X-Mailing-List: linux-samsung-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250612-exynos7870-drm-dts-v1-2-88c0779af6cb@disroot.org> References: <20250612-exynos7870-drm-dts-v1-0-88c0779af6cb@disroot.org> In-Reply-To: <20250612-exynos7870-drm-dts-v1-0-88c0779af6cb@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=1749741830; l=3928; i=kauschluss@disroot.org; s=20250202; h=from:subject:message-id; bh=0tk46VOA66/3d6qEQYb+l0xO5AU5QMnPGgQyQYlF/vI=; b=oRITryE5Tj7D7uu58NlAzssxkZrSPl/+hx5ra3b5dMF7+F3JnWCYOkPxa54i02PCt9JRSE27b y2zBSY2wNGzAq1n4fhKlvF/f6nv1dv+t+9cUZNwVyvfGEOEVKeBGJr2 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 | 94 ++++++++++++++++++++++++++++++ 1 file changed, 94 insertions(+) diff --git a/arch/arm64/boot/dts/exynos/exynos7870.dtsi b/arch/arm64/boot/dts/exynos/exynos7870.dtsi index 5cba8c9bb403405b2d9721ab8cf9d61e3d5faf95..fac92081fef389fe6084db3043614f0b276d0f19 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 = <0x10480000 0x10000>; + mipi_phy: mipi-phy { + compatible = "samsung,exynos7870-mipi-video-phy"; + #phy-cells = <1>; + + samsung,disp-sysreg = <&syscon_disp>; + samsung,cam-sysreg = <&syscon_cam>; + }; + reboot-mode { compatible = "syscon-reboot-mode"; offset = <0x080c>; @@ -674,6 +682,86 @@ cmu_isp: clock-controller@144d0000 { <&cmu_mif CLK_GOUT_MIF_CMU_ISP_VRA>; }; + syscon_cam: syscon@144f1040 { + compatible = "samsung,exynos7870-cam-sysreg", + "samsung,exynos7870-sysreg", "syscon"; + reg = <0x144f1040 0x04>; + }; + + dsi: dsi@14800000 { + compatible = "samsung,exynos7870-mipi-dsi"; + reg = <0x14800000 0x100>; + interrupts = ; + + clock-names = "bus_clk", "sclk_mipi", + "phyclk_mipidphy0_rxclkesc0", + "phyclk_mipidphy0_bitclkdiv8"; + clocks = <&cmu_dispaud CLK_GOUT_DISPAUD_BUS_DISP>, + <&cmu_dispaud CLK_GOUT_DISPAUD_APB_DISP>, + <&cmu_dispaud CLK_GOUT_DISPAUD_MUX_MIPIPHY_RXCLKESC0_USER>, + <&cmu_dispaud CLK_GOUT_DISPAUD_MUX_MIPIPHY_TXBYTECLKHS_USER>; + + phy-names = "dsim"; + phys = <&mipi_phy 1>; + + status = "disabled"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + dsi_to_decon: endpoint { + remote-endpoint = <&decon_to_dsi>; + }; + }; + }; + }; + + decon: decon@14830000 { + compatible = "samsung,exynos7870-decon"; + reg = <0x14830000 0x8000>; + interrupt-names = "fifo", "vsync", "lcd_sys"; + interrupts = , + , + ; + + clock-names = "pclk_decon0", "aclk_decon0", + "decon0_eclk", "decon0_vclk"; + clocks = <&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 = <&sysmmu_decon>; + + status = "disabled"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + decon_to_dsi: endpoint { + remote-endpoint = <&dsi_to_decon>; + }; + }; + }; + }; + + sysmmu_decon: sysmmu@14860000 { + compatible = "samsung,exynos-sysmmu"; + reg = <0x14860000 0x1000>; + interrupts = ; + #iommu-cells = <0>; + + clock-names = "sysmmu"; + clocks = <&cmu_dispaud CLK_GOUT_DISPAUD_MUX_BUS_USER>; + }; + pinctrl_dispaud: pinctrl@148c0000 { compatible = "samsung,exynos7870-pinctrl"; reg = <0x148c0000 0x1000>; @@ -691,6 +779,12 @@ 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 = "samsung,exynos7870-disp-sysreg", + "samsung,exynos7870-sysreg", "syscon"; + reg = <0x148f100c 0x04>; + }; }; timer {