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38 lines
1.8 KiB
Diff
38 lines
1.8 KiB
Diff
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From c4d228323c9c302b355cfd27cd59809110d7c74e Mon Sep 17 00:00:00 2001
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From: Grigori Goronzy <greg@kinoho.net>
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Date: Wed, 9 Feb 2022 22:23:11 +0100
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Subject: [PATCH] dtoverlays: add rgb565-padhi output to
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vc4-kms-dpi-generic
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This mode is used by some DPI based display adapters, such as the
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'VGA565' and 'VGA Zero' low-cost VGA adapters for the Raspberry Pi.
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Signed-off-by: Grigori Goronzy <greg@kinoho.net>
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---
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arch/arm/boot/dts/overlays/README | 2 ++
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arch/arm/boot/dts/overlays/vc4-kms-dpi-generic-overlay.dts | 2 ++
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2 files changed, 4 insertions(+)
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--- a/arch/arm/boot/dts/overlays/README
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+++ b/arch/arm/boot/dts/overlays/README
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@@ -3649,6 +3649,8 @@ Params: clock-frequency Display
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width-mm Define the screen width in mm
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height-mm Define the screen height in mm
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rgb565 Change to RGB565 output on GPIOs 0-19
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+ rgb565-padhi Change to RGB565 output on GPIOs 0-8, 12-17, and
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+ 20-24
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rgb666-padhi Change to RGB666 output on GPIOs 0-9, 12-17, and
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20-25
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rgb888 Change to RGB888 output on GPIOs 0-27
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--- a/arch/arm/boot/dts/overlays/vc4-kms-dpi-generic-overlay.dts
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+++ b/arch/arm/boot/dts/overlays/vc4-kms-dpi-generic-overlay.dts
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@@ -65,6 +65,8 @@
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rgb565 = <&panel_generic>, "bus-format:0=0x1017",
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<&dpi_node_generic>, "pinctrl-0:0=",<&dpi_16bit_gpio0>;
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+ rgb565-padhi = <&panel_generic>, "bus-format:0=0x1020",
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+ <&dpi_node_generic>, "pinctrl-0:0=",<&dpi_16bit_cpadhi_gpio0>;
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rgb666-padhi = <&panel_generic>, "bus-format:0=0x1015",
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<&dpi_node_generic>, "pinctrl-0:0=",<&dpi_18bit_cpadhi_gpio0>;
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rgb888 = <&panel_generic>, "bus-format:0=0x100a",
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