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tdo_panel: bcm2712-gpu: Add dsi panel driver;
 - Add vc4-kms-dsi-panel-overlay.dts for tdo panel compatiable. - Simplify add panel-tdo-dsi-v1.c as module to driver tdo panel. - __overrides__ parameter can be add in config.txt for customers. Signed-off-by: kun_liu <kun_liu@shtdo.com>
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‎arch/arm/boot/dts/overlays/Makefile‎

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

‎arch/arm/boot/dts/overlays/README‎

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@@ -5865,6 +5865,18 @@ Load: dtoverlay=vc4-kms-dsi-lt070me05000-v2
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Params: <None>
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Name: vc4-kms-dsi-tdo-panel
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Info: Enable the Tdo DSI screen,keep adding.
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Requires vc4-kms-v3d to be loaded.
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Load: dtoverlay=vc4-kms-dsi-tdo-panel,<param>=<val>
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Params: tl034wvs03 4.0" 480x480 2lane
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tl040wvs17 4.0" 480x480 2lane
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tl040hds31 4.0" 720x720 2lane
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rotate Display rotation {0,90,180,270}
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dsi0 Use DSI0 and i2c_csi_dsi0 (rather than
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the default DSI1 and i2c_csi_dsi).
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Name: vc4-kms-dsi-waveshare-800x480
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Info: Enable the Waveshare 4.3" 800x480 DSI screen.
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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

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

‎arch/arm64/configs/bcm2711_defconfig‎

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@@ -1086,6 +1086,7 @@ CONFIG_DRM_PANEL_RASPBERRYPI_TOUCHSCREEN=m
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CONFIG_DRM_PANEL_SITRONIX_ST7701=m
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CONFIG_DRM_PANEL_SIMPLE=m
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CONFIG_DRM_PANEL_TPO_Y17P=m
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CONFIG_DRM_PANEL_TDO_DSI_V1=m
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CONFIG_DRM_PANEL_WAVESHARE_TOUCHSCREEN=m
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CONFIG_DRM_PANEL_WAVESHARE_TOUCHSCREEN_V2=m
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CONFIG_DRM_DISPLAY_CONNECTOR=m

‎drivers/gpu/drm/panel/Kconfig‎

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@@ -940,6 +940,20 @@ config DRM_PANEL_TPO_Y17P
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Say Y if you want to enable support for panels based on the
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TDO Y17P controller.
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config DRM_PANEL_TDO_DSI_V1
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tristate "TDO touchscreen panels V1"
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depends on DRM_MIPI_DSI
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depends on I2C
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depends on BACKLIGHT_CLASS_DEVICE
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help
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Say Y here if you want to enable support for TDO DSI
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touchscreen panels, e.g. tl034wvs03, tl040hds31, etc.
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This driver provides MIPI DSI display interface.
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It also handles backlight control via the backlight
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class device.
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To compile this driver as a module, choose M here; the
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module will be called panel-tdo-dsi-v1.
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config DRM_PANEL_TPO_TD028TTEC1
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tristate "Toppoly (TPO) TD028TTEC1 panel driver"
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depends on OF && SPI

‎drivers/gpu/drm/panel/Makefile‎

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@@ -94,6 +94,7 @@ obj-$(CONFIG_DRM_PANEL_SONY_TULIP_TRULY_NT35521) += panel-sony-tulip-truly-nt355
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obj-$(CONFIG_DRM_PANEL_STARTEK_KD070FHFID015) += panel-startek-kd070fhfid015.o
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obj-$(CONFIG_DRM_PANEL_TDO_TL070WSH30) += panel-tdo-tl070wsh30.o
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obj-$(CONFIG_DRM_PANEL_TPO_Y17P) += panel-tdo-y17p.o
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obj-$(CONFIG_DRM_PANEL_TDO_DSI_V1) += panel-tdo-dsi-v1.o
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obj-$(CONFIG_DRM_PANEL_TPO_TD028TTEC1) += panel-tpo-td028ttec1.o
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obj-$(CONFIG_DRM_PANEL_TPO_TD043MTEA1) += panel-tpo-td043mtea1.o
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obj-$(CONFIG_DRM_PANEL_TPO_TPG110) += panel-tpo-tpg110.o

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