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39 lines
1.4 KiB
Diff
39 lines
1.4 KiB
Diff
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From a6747d9fad7d15345f7703e9f9d2916ea20a6edf Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.com>
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Date: Fri, 25 Feb 2022 09:53:56 +0000
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Subject: [PATCH] overlays: Add "drm" parameter to pitft35-resistive
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The "drm" parameter forces the use of the hx8357d DRM driver, when by
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default the fb_hx8357d framebuffer driver will be used in preference.
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See: https://forums.raspberrypi.com/viewtopic.php?t=330088
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Signed-off-by: Phil Elwell <phil@raspberrypi.com>
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---
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arch/arm/boot/dts/overlays/README | 4 ++++
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arch/arm/boot/dts/overlays/pitft35-resistive-overlay.dts | 1 +
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2 files changed, 5 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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@@ -2689,6 +2689,10 @@ Params: speed Display
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debug Debug output level {0-7}
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+ drm Force the use of the hx8357d DRM driver (by
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+ default the fb_hx8357d framebuffer driver will
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+ be used in preference if available)
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+
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Name: pps-gpio
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Info: Configures the pps-gpio (pulse-per-second time signal via GPIO).
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--- a/arch/arm/boot/dts/overlays/pitft35-resistive-overlay.dts
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+++ b/arch/arm/boot/dts/overlays/pitft35-resistive-overlay.dts
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@@ -115,5 +115,6 @@
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rotate = <&pitft>,"rotate:0";
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fps = <&pitft>,"fps:0";
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debug = <&pitft>,"debug:0";
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+ drm = <&pitft>,"compatible=adafruit,yx350hv15";
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};
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};
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