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From d02bd251d7f85e3aec02e5752df2f44a35961360 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Erik=20Bot=C3=B6?= <erik.boto@gmail.com>
Date: Fri, 9 Feb 2024 18:41:24 +0100
Subject: [PATCH 1295/1295] imx477: Update device tree overlays to support
 trigger-mode
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Also create generic overrides in camera-mux-N-port, that can be extended
to configure vsync modes for cameras supporting this.

Example usages (to be combined with camera_auto_detect=0):
dtoverlay=imx477,cam0,sync-source
dtoverlay=imx477,sync-sink
dtoverlay=camera-mux-2port,cam1-imx477,cam1-sync-sink
dtoverlay=camera-mux-4port,cam3-imx477,cam3-sync-sink

Signed-off-by: Erik Botö <erik.boto@gmail.com>
---
 arch/arm/boot/dts/overlays/README                | 16 ++++++++++++++++
 .../dts/overlays/camera-mux-2port-overlay.dts    |  5 +++++
 .../dts/overlays/camera-mux-4port-overlay.dts    |  9 +++++++++
 arch/arm/boot/dts/overlays/imx378-overlay.dts    |  7 +++++++
 arch/arm/boot/dts/overlays/imx477-overlay.dts    |  7 +++++++
 5 files changed, 44 insertions(+)

--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -862,6 +862,10 @@ Params: cam0-arducam-64mp       Select A
         cam1-ov7251             Select OV7251 for camera on port 1
         cam1-ov9281             Select OV9281 for camera on port 1
         cam1-imx290-clk-freq    Set clock frequency for an IMX290 on port 1
+        cam0-sync-source        Set camera on port 0 as vsync source
+        cam0-sync-sink          Set camera on port 0 as vsync sink
+        cam1-sync-source        Set camera on port 1 as vsync source
+        cam1-sync-sink          Set camera on port 1 as vsync sink
 
         cam0                    Connect the mux to CAM0 port (default is CAM1)
 
@@ -923,6 +927,14 @@ Params: cam0-arducam-64mp       Select A
         cam3-ov7251             Select OV7251 for camera on port 3
         cam3-ov9281             Select OV9281 for camera on port 3
         cam3-imx290-clk-freq    Set clock frequency for an IMX290 on port 3
+        cam0-sync-source        Set camera on port 0 as vsync source
+        cam0-sync-sink          Set camera on port 0 as vsync sink
+        cam1-sync-source        Set camera on port 1 as vsync source
+        cam1-sync-sink          Set camera on port 1 as vsync sink
+        cam2-sync-source        Set camera on port 2 as vsync source
+        cam2-sync-sink          Set camera on port 2 as vsync sink
+        cam3-sync-source        Set camera on port 3 as vsync source
+        cam3-sync-sink          Set camera on port 3 as vsync sink
 
         cam0                    Connect the mux to CAM0 port (default is CAM1)
 
@@ -2676,6 +2688,8 @@ Params: rotation                Mounting
                                 Compute Module (CSI0, i2c_vc, and cam0_reg).
         always-on               Leave the regulator powered up, to stop the
                                 camera clamping I/Os such as XVS to 0V.
+        sync-source             Configure as vsync source
+        sync-sink               Configure as vsync sink
 
 
 Name:   imx462
@@ -2716,6 +2730,8 @@ Params: rotation                Mounting
                                 Compute Module (CSI0, i2c_vc, and cam0_reg).
         always-on               Leave the regulator powered up, to stop the
                                 camera clamping I/Os such as XVS to 0V.
+        sync-source             Configure as vsync source
+        sync-sink               Configure as vsync sink
 
 
 Name:   imx519
--- a/arch/arm/boot/dts/overlays/camera-mux-2port-overlay.dts
+++ b/arch/arm/boot/dts/overlays/camera-mux-2port-overlay.dts
@@ -536,5 +536,10 @@
 
                cam0 = <&i2c_frag>, "target:0=",<&i2c_csi_dsi0>,
                       <&csi_frag>, "target:0=",<&csi0>;
+
+               cam0-sync-source = <&imx477_0>, "trigger-mode:0=1";
+               cam0-sync-sink = <&imx477_0>, "trigger-mode:0=2";
+               cam1-sync-source = <&imx477_1>, "trigger-mode:0=1";
+               cam1-sync-sink = <&imx477_1>, "trigger-mode:0=2";
        };
 };
--- a/arch/arm/boot/dts/overlays/camera-mux-4port-overlay.dts
+++ b/arch/arm/boot/dts/overlays/camera-mux-4port-overlay.dts
@@ -939,5 +939,14 @@
 
                cam0 = <&i2c_frag>, "target:0=",<&i2c_csi_dsi0>,
                       <&csi_frag>, "target:0=",<&csi0>;
+
+               cam0-sync-source = <&imx477_0>, "trigger-mode:0=1";
+               cam0-sync-sink = <&imx477_0>, "trigger-mode:0=2";
+               cam1-sync-source = <&imx477_1>, "trigger-mode:0=1";
+               cam1-sync-sink = <&imx477_1>, "trigger-mode:0=2";
+               cam2-sync-source = <&imx477_2>, "trigger-mode:0=1";
+               cam2-sync-sink = <&imx477_2>, "trigger-mode:0=2";
+               cam3-sync-source = <&imx477_3>, "trigger-mode:0=1";
+               cam3-sync-sink = <&imx477_3>, "trigger-mode:0=2";
        };
 };
--- a/arch/arm/boot/dts/overlays/imx378-overlay.dts
+++ b/arch/arm/boot/dts/overlays/imx378-overlay.dts
@@ -8,3 +8,10 @@
 &cam_node {
        compatible = "sony,imx378";
 };
+
+/{
+       __overrides__ {
+               sync-sink = <&cam_node>,"trigger-mode:0=2";
+               sync-source = <&cam_node>,"trigger-mode:0=1";
+       };
+};
--- a/arch/arm/boot/dts/overlays/imx477-overlay.dts
+++ b/arch/arm/boot/dts/overlays/imx477-overlay.dts
@@ -8,3 +8,10 @@
 &cam_node {
        compatible = "sony,imx477";
 };
+
+/{
+       __overrides__ {
+               sync-sink = <&cam_node>,"trigger-mode:0=2";
+               sync-source = <&cam_node>,"trigger-mode:0=1";
+       };
+};