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openmptcprouter/6.12/target/linux/bcm27xx/patches-6.12/950-0690-dtoverlays-Add-Arducam-override-for-ov9281.patch
Ycarus (Yannick Chabanois) bdb9b0046f Add bcm27xx 6.12 test support
2024-12-20 14:17:26 +01:00

54 lines
1.8 KiB
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From 55f4d9e9855e55fdf09ba3dc21827cdfda0b1323 Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
Date: Mon, 2 Dec 2024 15:41:21 +0000
Subject: [PATCH 690/697] dtoverlays: Add Arducam override for ov9281
The Arducam module is slow starting up, so add an override
to slow the regulator down.
https://forums.raspberrypi.com/viewtopic.php?t=380236
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
---
arch/arm/boot/dts/overlays/README | 2 ++
arch/arm/boot/dts/overlays/ov9281-overlay.dts | 12 +++++++++++-
2 files changed, 13 insertions(+), 1 deletion(-)
--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -3570,6 +3570,8 @@ Params: rotation Mounting
configuring the sensor (default on)
cam0 Adopt the default configuration for CAM0 on a
Compute Module (CSI0, i2c_vc, and cam0_reg).
+ arducam Slow down the regulator for slow Arducam
+ modules.
Name: papirus
--- a/arch/arm/boot/dts/overlays/ov9281-overlay.dts
+++ b/arch/arm/boot/dts/overlays/ov9281-overlay.dts
@@ -63,6 +63,14 @@
};
};
+ reg_frag: fragment@6 {
+ target = <&cam1_reg>;
+ __dormant__ {
+ startup-delay-us = <20000>;
+ off-on-delay-us = <30000>;
+ };
+ };
+
__overrides__ {
rotation = <&cam_node>,"rotation:0";
orientation = <&cam_node>,"orientation:0";
@@ -71,7 +79,9 @@
<&csi_frag>, "target:0=",<&csi0>,
<&clk_frag>, "target:0=",<&cam0_clk>,
<&cam_node>, "clocks:0=",<&cam0_clk>,
- <&cam_node>, "avdd-supply:0=",<&cam0_reg>;
+ <&cam_node>, "avdd-supply:0=",<&cam0_reg>,
+ <&reg_frag>, "target:0=",<&cam0_reg>;
+ arducam = <0>, "+6";
};
};