diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.10/950-0478-dt-Add-option-for-dpi-without-DE-and-PCLK-for-VGA666.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.10/950-0478-dt-Add-option-for-dpi-without-DE-and-PCLK-for-VGA666.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.10/950-0478-dt-Add-option-for-dpi-without-DE-and-PCLK-for-VGA666.patch b/target/linux/bcm27xx/patches-5.10/950-0478-dt-Add-option-for-dpi-without-DE-and-PCLK-for-VGA666.patch new file mode 100644 index 0000000000..9b687f2f30 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.10/950-0478-dt-Add-option-for-dpi-without-DE-and-PCLK-for-VGA666.patch @@ -0,0 +1,30 @@ +From dad204699d870a86849a635ebec84f3259923a0e Mon Sep 17 00:00:00 2001 +From: Dave Stevenson <dave.stevenson@raspberrypi.com> +Date: Thu, 4 Feb 2021 14:23:58 +0000 +Subject: [PATCH] dt: Add option for dpi without DE and PCLK (for + VGA666) + +VGA666 doesn't use the DE or PCLK signals, therefore there is +no point in claiming their use. It's also then possible to +use GPIOs 0&1 for DDC to read the EDID from the display. + +Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com> +--- + arch/arm/boot/dts/bcm270x.dtsi | 6 ++++++ + 1 file changed, 6 insertions(+) + +--- a/arch/arm/boot/dts/bcm270x.dtsi ++++ b/arch/arm/boot/dts/bcm270x.dtsi +@@ -170,6 +170,12 @@ + 20 21>; + brcm,function = <BCM2835_FSEL_ALT2>; + }; ++ dpi_18bit_gpio2: dpi_18bit_gpio2 { ++ brcm,pins = <2 3 4 5 6 7 8 9 10 11 ++ 12 13 14 15 16 17 18 19 ++ 20 21>; ++ brcm,function = <BCM2835_FSEL_ALT2>; ++ }; + }; + + &uart0 { |