linux-kernel - [PATCH 2/2] ARM: dts: imx7: add MIPI-DSI support

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Message-Id: <20231127-b4-imx7-mipi-dsi-v1-2-7d22eee70c67@pengutronix.de>
Date:   Mon, 27 Nov 2023 17:12:29 +0100
From:   Roland Hieber <rhi@...gutronix.de>
To:     Inki Dae <inki.dae@...sung.com>,
        Jagan Teki <jagan@...rulasolutions.com>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Andrzej Hajda <andrzej.hajda@...el.com>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Robert Foss <rfoss@...nel.org>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>
Cc:     dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Roland Hieber <rhi@...gutronix.de>,
        Marco Felsch <m.felsch@...gutronix.de>
Subject: [PATCH 2/2] ARM: dts: imx7: add MIPI-DSI support

From: Marco Felsch <m.felsch@...gutronix.de>

This adds the device tree support for the MIPI-DSI block. The block can
be used as encoder for the parallel signals coming from the lcdif block.

Signed-off-by: Marco Felsch <m.felsch@...gutronix.de>
Signed-off-by: Roland Hieber <rhi@...gutronix.de>
---
 arch/arm/boot/dts/nxp/imx/imx7s.dtsi | 46 ++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)

diff --git a/arch/arm/boot/dts/nxp/imx/imx7s.dtsi b/arch/arm/boot/dts/nxp/imx/imx7s.dtsi
index 29b8fd03567a..7adadf9c3694 100644
--- a/arch/arm/boot/dts/nxp/imx/imx7s.dtsi
+++ b/arch/arm/boot/dts/nxp/imx/imx7s.dtsi
@@ -818,6 +818,16 @@ lcdif: lcdif@...30000 {
 					<&clks IMX7D_LCDIF_PIXEL_ROOT_CLK>;
 				clock-names = "pix", "axi";
 				status = "disabled";
+
+				port {
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					lcdif_out_mipi_dsi: endpoint@0 {
+						reg = <0>;
+						remote-endpoint = <&mipi_dsi_in_lcdif>;
+					};
+				};
 			};
 
 			mipi_csi: mipi-csi@...50000 {
@@ -850,6 +860,42 @@ mipi_vc0_to_csi_mux: endpoint {
 					};
 				};
 			};
+
+			mipi_dsi: dsi@...60000 {
+				compatible = "fsl,imx7d-mipi-dsim", "fsl,imx8mm-mipi-dsim";
+				#address-cells = <1>;
+				#size-cells = <0>;
+				reg = <0x30760000 0x400>;
+				clocks = <&clks IMX7D_MIPI_DSI_ROOT_CLK>,
+					 <&clks IMX7D_MIPI_DPHY_ROOT_CLK>;
+				clock-names = "bus_clk", "sclk_mipi";
+				assigned-clocks = <&clks IMX7D_MIPI_DSI_ROOT_SRC>,
+						  <&clks IMX7D_PLL_SYS_PFD5_CLK>;
+				assigned-clock-parents = <&clks IMX7D_PLL_SYS_PFD5_CLK>;
+				assigned-clock-rates = <0>, <333000000>;
+				power-domains = <&pgc_mipi_phy>;
+				interrupts = <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
+				samsung,burst-clock-frequency = <891000000>;
+				samsung,esc-clock-frequency = <20000000>;
+				samsung,pll-clock-frequency = <24000000>;
+				status = "disabled";
+
+				ports {
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					port@0 {
+						reg = <0>;
+						#address-cells = <1>;
+						#size-cells = <0>;
+
+						mipi_dsi_in_lcdif: endpoint@0 {
+							reg = <0>;
+							remote-endpoint = <&lcdif_out_mipi_dsi>;
+						};
+					};
+				};
+			};
 		};
 
 		aips3: bus@...00000 {

-- 
2.39.2