31 lines
903 B
Diff
31 lines
903 B
Diff
From dad204699d870a86849a635ebec84f3259923a0e Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Thu, 4 Feb 2021 14:23:58 +0000
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Subject: [PATCH] dt: Add option for dpi without DE and PCLK (for
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VGA666)
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VGA666 doesn't use the DE or PCLK signals, therefore there is
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no point in claiming their use. It's also then possible to
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use GPIOs 0&1 for DDC to read the EDID from the display.
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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---
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arch/arm/boot/dts/bcm270x.dtsi | 6 ++++++
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1 file changed, 6 insertions(+)
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--- a/arch/arm/boot/dts/bcm270x.dtsi
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+++ b/arch/arm/boot/dts/bcm270x.dtsi
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@@ -170,6 +170,12 @@
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20 21>;
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brcm,function = <BCM2835_FSEL_ALT2>;
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};
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+ dpi_18bit_gpio2: dpi_18bit_gpio2 {
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+ brcm,pins = <2 3 4 5 6 7 8 9 10 11
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+ 12 13 14 15 16 17 18 19
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+ 20 21>;
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+ brcm,function = <BCM2835_FSEL_ALT2>;
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+ };
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};
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&uart0 {
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