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Add DPI mode 3 (rgb565-padhi) support to vc4-kms-dpi-generic #4882

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Merged
merged 2 commits into from
Feb 10, 2022
Merged

Add DPI mode 3 (rgb565-padhi) support to vc4-kms-dpi-generic #4882

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f153e4d
dtoverlays: fix overrides in vc4-kms-dpi-generic
grigorig Feb 9, 2022
61d839a
dtoverlays: add rgb565-padhi output to vc4-kms-dpi-generic
grigorig Feb 9, 2022
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2 changes: 2 additions & 0 deletions arch/arm/boot/dts/overlays/README
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Original file line number Diff line number Diff line change
Expand Up @@ -3649,6 +3649,8 @@ Params: clock-frequency Display clock frequency (Hz)
width-mm Define the screen width in mm
height-mm Define the screen height in mm
rgb565 Change to RGB565 output on GPIOs 0-19
rgb565-padhi Change to RGB565 output on GPIOs 0-8, 12-17, and
20-24
rgb666-padhi Change to RGB666 output on GPIOs 0-9, 12-17, and
20-25
rgb888 Change to RGB888 output on GPIOs 0-27
Expand Down
20 changes: 11 additions & 9 deletions arch/arm/boot/dts/overlays/vc4-kms-dpi-generic-overlay.dts
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Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,7 @@

fragment@0 {
target = <&panel>;
__overlay__ {
panel_generic: __overlay__ {
compatible = "panel-dpi";

width-mm = <154>;
Expand Down Expand Up @@ -40,7 +40,7 @@

fragment@1 {
target = <&dpi>;
__overlay__ {
dpi_node_generic: __overlay__ {
pinctrl-0 = <&dpi_18bit_gpio0>;
};
};
Expand All @@ -63,12 +63,14 @@
width-mm = <&panel>, "width-mm:0";
height-mm = <&panel>, "height-mm:0";

rgb565 = <&panel>, "bus-format:0=0x1017",
<&dpi_node>, "pinctrl-0:0=",<&dpi_16bit_gpio0>;
rgb666-padhi = <&panel>, "bus-format:0=0x1015",
<&dpi_node>, "pinctrl-0:0=",<&dpi_18bit_cpadhi_gpio0>;
rgb888 = <&panel>, "bus-format:0=0x100a",
<&dpi_node>, "pinctrl-0:0=",<&dpi_gpio0>;
bus-format = <&panel>, "bus-format:0";
rgb565 = <&panel_generic>, "bus-format:0=0x1017",
<&dpi_node_generic>, "pinctrl-0:0=",<&dpi_16bit_gpio0>;
rgb565-padhi = <&panel_generic>, "bus-format:0=0x1020",
<&dpi_node_generic>, "pinctrl-0:0=",<&dpi_16bit_cpadhi_gpio0>;
rgb666-padhi = <&panel_generic>, "bus-format:0=0x1015",
<&dpi_node_generic>, "pinctrl-0:0=",<&dpi_18bit_cpadhi_gpio0>;
rgb888 = <&panel_generic>, "bus-format:0=0x100a",
<&dpi_node_generic>, "pinctrl-0:0=",<&dpi_gpio0>;
bus-format = <&panel_generic>, "bus-format:0";
};
};