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59 lines
2.4 KiB
Diff
59 lines
2.4 KiB
Diff
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From 9c68ba121ba173dd5711b4537bfcdf82ec731725 Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Wed, 3 Apr 2024 16:08:07 +0100
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Subject: [PATCH 1040/1085] dt: Add camX_sync option to configure a GPIO
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following cam FS/FE
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Unicam now takes an optional GPIO to expose frame start/end timing,
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so add an override to configure that.
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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/broadcom/bcm270x-rpi.dtsi | 13 +++++++++++++
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arch/arm/boot/dts/overlays/README | 12 ++++++++++++
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2 files changed, 25 insertions(+)
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--- a/arch/arm/boot/dts/broadcom/bcm270x-rpi.dtsi
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+++ b/arch/arm/boot/dts/broadcom/bcm270x-rpi.dtsi
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@@ -97,6 +97,19 @@
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drm_fb0_vc4 = <&aliases>, "drm-fb0=",&vc4;
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drm_fb1_vc4 = <&aliases>, "drm-fb1=",&vc4;
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drm_fb2_vc4 = <&aliases>, "drm-fb2=",&vc4;
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+
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+ cam1_sync = <&csi1>, "sync-gpios:0=", <&gpio>,
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+ <&csi1>, "sync-gpios:4",
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+ <&csi1>, "sync-gpios:8=0", <GPIO_ACTIVE_HIGH>;
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+ cam1_sync_inverted = <&csi1>, "sync-gpios:0=", <&gpio>,
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+ <&csi1>, "sync-gpios:4",
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+ <&csi1>, "sync-gpios:8=0", <GPIO_ACTIVE_LOW>;
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+ cam0_sync = <&csi0>, "sync-gpios:0=", <&gpio>,
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+ <&csi0>, "sync-gpios:4",
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+ <&csi0>, "sync-gpios:8=0", <GPIO_ACTIVE_HIGH>;
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+ cam0_sync_inverted = <&csi0>, "sync-gpios:0=", <&gpio>,
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+ <&csi0>, "sync-gpios:4",
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+ <&csi0>, "sync-gpios:8=0", <GPIO_ACTIVE_LOW>;
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};
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};
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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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@@ -170,6 +170,18 @@ Params:
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Default of GPIO expander 5 on CM4, but override
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switches to normal GPIO.
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+ cam0_sync Enable a GPIO to reflect frame sync from CSI0,
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+ going high on frame start, and low on frame end.
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+
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+ cam0_sync_inverted Enable a GPIO to reflect frame sync from CSI0
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+ going low on frame start, and high on frame end.
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+
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+ cam1_sync Enable a GPIO to reflect frame sync from CSI1,
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+ going high on frame start, and low on frame end.
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+
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+ cam1_sync_inverted Enable a GPIO to reflect frame sync from CSI1
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+ going low on frame start, and high on frame end.
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+
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cooling_fan Enables the Pi 5 cooling fan (enabled
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automatically by the firmware)
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