tdo_panel: bcm27xx-gpu: Add dsi panel driver;

arch/arm/boot/dts/overlays/Makefile

@@ -343,6 +343,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
 	vc4-kms-dsi-ili9881-7inch.dtbo \
 	vc4-kms-dsi-lt070me05000.dtbo \
 	vc4-kms-dsi-lt070me05000-v2.dtbo \
+	vc4-kms-dsi-tdo-panel.dtbo \
 	vc4-kms-dsi-waveshare-800x480.dtbo \
 	vc4-kms-dsi-waveshare-panel.dtbo \
 	vc4-kms-dsi-waveshare-panel-v2.dtbo \

arch/arm/boot/dts/overlays/README

@@ -5887,6 +5887,18 @@ Load:   dtoverlay=vc4-kms-dsi-lt070me05000-v2
 Params: <None>
 
 
+Name:   vc4-kms-dsi-tdo-panel
+Info:   Enable the Tdo DSI screen,keep adding.
+        Requires vc4-kms-v3d to be loaded.
+Load:   dtoverlay=vc4-kms-dsi-tdo-panel,<param>=<val>
+Params: tl034wvs03              4.0" 480x480 2lane
+        tl040wvs17              4.0" 480x480 2lane
+        tl040hds31              4.0" 720x720 2lane
+        rotation                Display rotation {0,90,180,270}
+        dsi0                    Use DSI0 and i2c_csi_dsi0 (rather than
+                                the default DSI1 and i2c_csi_dsi).
+
+
 Name:   vc4-kms-dsi-waveshare-800x480
 Info:   Enable the Waveshare 4.3" 800x480 DSI screen.
         It tries to look like the Pi 7" display, but won't accept some of the

arch/arm/boot/dts/overlays/vc4-kms-dsi-tdo-panel-overlay.dts

@@ -0,0 +1,69 @@
+/*
+ * Device Tree overlay for TDO DSI Touchscreens
+ *
+ */
+
+/dts-v1/;
+/plugin/;
+
+/ {
+	compatible = "brcm,bcm2835";
+
+	dsi_frag: fragment@0 {
+		target = <&dsi1>;
+		__overlay__ {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "okay";
+			port {
+				dsi_out: endpoint {
+					remote-endpoint = <&panel_in>;
+				};
+			};
+
+			panel: panel_dsi1@0 {
+				compatible = "tdo,4.0-dsi-tl040wvs17";
+				status = "okay";
+				reg = <0>;
+				reset-gpios = <&gpio 47 1>;
+				port {
+					panel_in: endpoint {
+						remote-endpoint = <&dsi_out>;
+					};
+				};
+			};
+		};
+	};
+
+	i2c_frag: fragment@1 {
+		target = <&i2c_csi_dsi>;
+		i2cbus: __overlay__ {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "okay";
+		};
+	};
+
+	fragment@2 {
+		target = <&i2c0if>;
+		__overlay__ {
+			status = "okay";
+		};
+	};
+
+	fragment@3 {
+		target = <&i2c0mux>;
+		__overlay__ {
+			status = "okay";
+		};
+	};
+
+	__overrides__ {
+		tl034wvs03 = <&panel>, "compatible=tdo,4.0-dsi-tl034wvs03";
+		tl040wvs17 = <&panel>, "compatible=tdo,4.0-dsi-tl040wvs17";
+		tl040hds31 = <&panel>, "compatible=tdo,4.0-dsi-tl040hds31";
+		rotation = <&panel>, "rotation:0";
+		dsi0 = <&dsi_frag>, "target:0=",<&dsi0>,
+		       <&i2c_frag>, "target:0=",<&i2c_csi_dsi0>;
+	};
+};

arch/arm/configs/bcm2709_defconfig

@@ -983,6 +983,7 @@ CONFIG_DRM_PANEL_RASPBERRYPI_TOUCHSCREEN=m
 CONFIG_DRM_PANEL_SITRONIX_ST7701=m
 CONFIG_DRM_PANEL_SIMPLE=m
 CONFIG_DRM_PANEL_TPO_Y17P=m
+CONFIG_DRM_PANEL_TDO_DSI_V1=m
 CONFIG_DRM_PANEL_WAVESHARE_TOUCHSCREEN=m
 CONFIG_DRM_PANEL_WAVESHARE_TOUCHSCREEN_V2=m
 CONFIG_DRM_DISPLAY_CONNECTOR=m

arch/arm/configs/bcmrpi_defconfig

@@ -976,6 +976,7 @@ CONFIG_DRM_PANEL_RASPBERRYPI_TOUCHSCREEN=m
 CONFIG_DRM_PANEL_SITRONIX_ST7701=m
 CONFIG_DRM_PANEL_SIMPLE=m
 CONFIG_DRM_PANEL_TPO_Y17P=m
+CONFIG_DRM_PANEL_TDO_DSI_V1=m
 CONFIG_DRM_PANEL_WAVESHARE_TOUCHSCREEN=m
 CONFIG_DRM_PANEL_WAVESHARE_TOUCHSCREEN_V2=m
 CONFIG_DRM_DISPLAY_CONNECTOR=m

arch/arm64/configs/bcm2711_defconfig

@@ -1081,6 +1081,7 @@ CONFIG_DRM_PANEL_RASPBERRYPI_TOUCHSCREEN=m
 CONFIG_DRM_PANEL_SITRONIX_ST7701=m
 CONFIG_DRM_PANEL_SIMPLE=m
 CONFIG_DRM_PANEL_TPO_Y17P=m
+CONFIG_DRM_PANEL_TDO_DSI_V1=m
 CONFIG_DRM_PANEL_WAVESHARE_TOUCHSCREEN=m
 CONFIG_DRM_PANEL_WAVESHARE_TOUCHSCREEN_V2=m
 CONFIG_DRM_DISPLAY_CONNECTOR=m

arch/arm64/configs/bcm2711_rt_defconfig

@@ -1078,6 +1078,7 @@ CONFIG_DRM_PANEL_RASPBERRYPI_TOUCHSCREEN=m
 CONFIG_DRM_PANEL_SITRONIX_ST7701=m
 CONFIG_DRM_PANEL_SIMPLE=m
 CONFIG_DRM_PANEL_TPO_Y17P=m
+CONFIG_DRM_PANEL_TDO_DSI_V1=m
 CONFIG_DRM_PANEL_WAVESHARE_TOUCHSCREEN=m
 CONFIG_DRM_PANEL_WAVESHARE_TOUCHSCREEN_V2=m
 CONFIG_DRM_DISPLAY_CONNECTOR=m

arch/arm64/configs/bcm2712_defconfig

@@ -1083,6 +1083,7 @@ CONFIG_DRM_PANEL_RASPBERRYPI_TOUCHSCREEN=m
 CONFIG_DRM_PANEL_SITRONIX_ST7701=m
 CONFIG_DRM_PANEL_SIMPLE=m
 CONFIG_DRM_PANEL_TPO_Y17P=m
+CONFIG_DRM_PANEL_TDO_DSI_V1=m
 CONFIG_DRM_PANEL_WAVESHARE_TOUCHSCREEN=m
 CONFIG_DRM_PANEL_WAVESHARE_TOUCHSCREEN_V2=m
 CONFIG_DRM_DISPLAY_CONNECTOR=m

drivers/gpu/drm/panel/Kconfig

@@ -1087,6 +1087,20 @@ config DRM_PANEL_TPO_Y17P
 	  Say Y if you want to enable support for panels based on the
 	  TDO Y17P controller.
 
+config DRM_PANEL_TDO_DSI_V1
+        tristate "TDO touchscreen panels V1"
+        depends on DRM_MIPI_DSI
+        depends on I2C
+        depends on BACKLIGHT_CLASS_DEVICE
+        help
+           Say Y here if you want to enable support for TDO DSI
+      	   touchscreen panels, e.g. tl034wvs03, tl040hds31, etc.
+      	   This driver provides MIPI DSI display interface.
+		   It also handles backlight control via the backlight
+		   class device.
+		   To compile this driver as a module, choose M here; the
+           module will be called panel-tdo-dsi-v1.
+
 config DRM_PANEL_TPO_TD028TTEC1
 	tristate "Toppoly (TPO) TD028TTEC1 panel driver"
 	depends on OF && SPI

drivers/gpu/drm/panel/Makefile

@@ -108,6 +108,7 @@ obj-$(CONFIG_DRM_PANEL_SONY_TULIP_TRULY_NT35521) += panel-sony-tulip-truly-nt355
 obj-$(CONFIG_DRM_PANEL_STARTEK_KD070FHFID015) += panel-startek-kd070fhfid015.o
 obj-$(CONFIG_DRM_PANEL_TDO_TL070WSH30) += panel-tdo-tl070wsh30.o
 obj-$(CONFIG_DRM_PANEL_TPO_Y17P) += panel-tdo-y17p.o
+obj-$(CONFIG_DRM_PANEL_TDO_DSI_V1) += panel-tdo-dsi-v1.o
 obj-$(CONFIG_DRM_PANEL_TPO_TD028TTEC1) += panel-tpo-td028ttec1.o
 obj-$(CONFIG_DRM_PANEL_TPO_TD043MTEA1) += panel-tpo-td043mtea1.o
 obj-$(CONFIG_DRM_PANEL_TPO_TPG110) += panel-tpo-tpg110.o