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edatec Open Source‌ HMI for 10 inches panel driver #7362

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89217af
feat(display):eadtec Open Source‌ HMI for 10 inches panel driver
spp-bruk May 13, 2026
28812f8
display: edatec 10inch panel driver and dtoverlay update
FrankLeeEDA May 21, 2026
dddf8c1
regulator: edatec-panel: Use gpio_regmap instead of gpio_chip
FrankLeeEDA May 31, 2026
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1 change: 1 addition & 0 deletions arch/arm/boot/dts/overlays/Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -337,6 +337,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
vc4-kms-dpi-hyperpixel4sq.dtbo \
vc4-kms-dpi-panel.dtbo \
vc4-kms-dsi-7inch.dtbo \
vc4-kms-dsi-edatec-panel-101c.dtbo \
vc4-kms-dsi-generic.dtbo \
vc4-kms-dsi-ili79600-10-1inch.dtbo \
vc4-kms-dsi-ili9881-5inch.dtbo \
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12 changes: 12 additions & 0 deletions arch/arm/boot/dts/overlays/README
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Expand Up @@ -5790,6 +5790,18 @@ Params: sizex Touchscreen size x (default 800)
the default DSI1 and i2c_csi_dsi).


Name: vc4-kms-dsi-edatec-panel-101c
Info: Enable the edatec DSI 10" screen.
support ed-dispr-101c.
support ed-dispr5-101c.
support ed-dispr4-101c.
Load: dtoverlay=vc4-kms-dsi-edatec-panel-101c,<param>=<val>
Params: rotation Display rotation {0,90,180,270} (default 270)
interrupt GPIO pin for interrupt signal(default 16)
i2c1 Use i2c-1 and the default DSI1
i2c10 Use i2c-10 and the default DSI1


Name: vc4-kms-dsi-generic
Info: Enable a generic DSI display under KMS.
Default timings are for a 840x480 RGB888 panel.
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116 changes: 116 additions & 0 deletions arch/arm/boot/dts/overlays/vc4-kms-dsi-edatec-panel-101c-overlay.dts
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Original file line number Diff line number Diff line change
@@ -0,0 +1,116 @@
/dts-v1/;
/plugin/;

#include <dt-bindings/gpio/gpio.h>

/ {
compatible = "brcm,bcm2835";

fragment@0 {
target-path = "/";
__overlay__ {
vdd_lcd: fixedregulator_lcd {
compatible = "regulator-fixed";
regulator-name = "vdd_lcd";

gpios = <&reg_display 4 GPIO_ACTIVE_HIGH>;
startup-delay-us = <5000>;
enable-active-high;
};
};
};

fragment@1 {
target = <&dsi1>;
__overlay__{
status = "okay";
#address-cells = <1>;
#size-cells = <0>;
port {
dsi_out_port:endpoint {
remote-endpoint = <&panel_dsi_port>;
};
};

ili9881c:ili9881c@0 {
compatible = "rzw,t101p136cq";
status = "okay";
reg = <0>;

reset-gpios = <&reg_display 2 GPIO_ACTIVE_LOW>;
backlight = <&reg_display>;
power-supply = <&vdd_lcd>;
rotation = <270>;

port {
panel_dsi_port: endpoint {
remote-endpoint = <&dsi_out_port>;
};
};
};
};
};

fragment@2 {
target = <&i2c0if>;
__overlay__ {
status = "okay";
};
};

fragment@3 {
target = <&i2c0mux>;
__overlay__ {
status = "okay";
};
};

fragment@4 {
target = <&gpio>;
__overlay__ {
gt928_pins: gt928_pins {
brcm,pins = <16>;
brcm,function = <0>;
brcm,pull = <2>;
};
};
};

i2c_frag: fragment@5 {
target = <&i2c_csi_dsi>;
__overlay__ {
#address-cells = <1>;
#size-cells = <0>;
status = "okay";

reg_display: reg_display@27 {
compatible = "edatec,disp-regulator";
reg = <0x27>;
gpio-controller;
#gpio-cells = <2>;
};

gt928:gt928@14 {
compatible = "goodix,gt928";
reg = <0x14>;
pinctrl-names = "default";
pinctrl-0 = <&gt928_pins>;

reset-gpios = <&reg_display 3 GPIO_ACTIVE_HIGH>;
interrupt-parent = <&gpio>;
interrupts = <16 2>;
irq-gpios = <&gpio 16 GPIO_ACTIVE_HIGH>;
};
};
};

__overrides__ {
i2c1 = <&i2c_frag>, "target:0=",<&i2c1>,
<0>, "-3-4+5";
i2c10 = <&i2c_frag>, "target:0=",<&i2c_csi_dsi0>;
interrupt = <&gt928_pins>, "brcm,pins:0",
<&gt928>, "interrupts:0",
<&gt928>, "irq-gpios:4";
rotation = <&ili9881c>, "rotation:0";
};
};
1 change: 1 addition & 0 deletions arch/arm64/configs/bcm2711_defconfig
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Expand Up @@ -861,6 +861,7 @@ CONFIG_REGULATOR_GPIO=y
CONFIG_REGULATOR_RASPBERRYPI_TOUCHSCREEN_ATTINY=m
CONFIG_REGULATOR_RASPBERRYPI_TOUCHSCREEN_V2=m
CONFIG_REGULATOR_WAVESHARE_TOUCHSCREEN=m
CONFIG_REGULATOR_EDATEC_10INCH=m
CONFIG_RC_CORE=y
CONFIG_BPF_LIRC_MODE2=y
CONFIG_LIRC=y
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1 change: 1 addition & 0 deletions arch/arm64/configs/bcm2711_rt_defconfig
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Expand Up @@ -860,6 +860,7 @@ CONFIG_REGULATOR_GPIO=y
CONFIG_REGULATOR_RASPBERRYPI_TOUCHSCREEN_ATTINY=m
CONFIG_REGULATOR_RASPBERRYPI_TOUCHSCREEN_V2=m
CONFIG_REGULATOR_WAVESHARE_TOUCHSCREEN=m
CONFIG_REGULATOR_EDATEC_10INCH=m
CONFIG_RC_CORE=y
CONFIG_BPF_LIRC_MODE2=y
CONFIG_LIRC=y
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1 change: 1 addition & 0 deletions arch/arm64/configs/bcm2712_defconfig
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Expand Up @@ -863,6 +863,7 @@ CONFIG_REGULATOR_GPIO=y
CONFIG_REGULATOR_RASPBERRYPI_TOUCHSCREEN_ATTINY=m
CONFIG_REGULATOR_RASPBERRYPI_TOUCHSCREEN_V2=m
CONFIG_REGULATOR_WAVESHARE_TOUCHSCREEN=m
CONFIG_REGULATOR_EDATEC_10INCH=m
CONFIG_RC_CORE=y
CONFIG_BPF_LIRC_MODE2=y
CONFIG_LIRC=y
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