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dtoverlays: camera-mux-N-port: Allow multiple simultaneous instances #7411

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Merged
pelwell merged 1 commit into from
Jun 2, 2026
+36 −12
Merged

dtoverlays: camera-mux-N-port: Allow multiple simultaneous instances #7411

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4 changes: 4 additions & 0 deletions arch/arm/boot/dts/overlays/README
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Original file line number Diff line number Diff line change
Expand Up @@ -945,6 +945,7 @@ Params: cam0-arducam-64mp Select Arducam64MP for camera on port 0
cam1-sync-sink Set camera on port 1 as vsync sink

cam0 Connect the mux to CAM0 port (default is CAM1)
gpio-sel Set the GPIO used to control the mux


Name: camera-mux-4port
Expand Down Expand Up @@ -1014,6 +1015,9 @@ Params: cam0-arducam-64mp Select Arducam64MP for camera on port 0
cam3-sync-sink Set camera on port 3 as vsync sink

cam0 Connect the mux to CAM0 port (default is CAM1)
gpio-sel Set the GPIO used to control the mux select line
gpio-en1 Set the GPIO used to control the mux en1 line
gpio-en2 Set the GPIO used to control the mux en2 line


Name: cap1106
Expand Down
21 changes: 15 additions & 6 deletions arch/arm/boot/dts/overlays/camera-mux-2port-overlay.dts
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Original file line number Diff line number Diff line change
Expand Up @@ -339,15 +339,17 @@
fragment@203 {
target-path="/";
__overlay__ {
mux: mux-controller {
mux: mux-controller@1 {
compatible = "gpio-mux";
reg = <1>;
#mux-control-cells = <0>;

mux-gpios = <&gpio 4 GPIO_ACTIVE_HIGH>;
};

video-mux {
videomux: video-mux@1 {
compatible = "video-mux";
reg = <1>;
mux-controls = <&mux>;
#address-cells = <1>;
#size-cells = <0>;
Expand Down Expand Up @@ -378,23 +380,23 @@
};
};

clk_24mhz: clk_24mhz {
clk_24mhz: clk_24mhz_1 {
compatible = "fixed-clock";
#clock-cells = <0>;

clock-frequency = <24000000>;
status = "okay";
};

clk_25mhz: clk_25mhz {
clk_25mhz: clk_25mhz_1 {
compatible = "fixed-clock";
#clock-cells = <0>;

clock-frequency = <25000000>;
status = "okay";
};

clk_imx290: clk_imx290 {
clk_imx290: clk_imx290_1 {
compatible = "fixed-clock";
#clock-cells = <0>;

Expand Down Expand Up @@ -535,11 +537,18 @@
<&imx290_1>,"clock-frequency:0";

cam0 = <&i2c_frag>, "target:0=",<&i2c_csi_dsi0>,
<&csi_frag>, "target:0=",<&csi0>;
<&csi_frag>, "target:0=",<&csi0>,
<&mux>, "reg:0=0",
<&videomux>, "reg:0=0",
<&clk_24mhz>, "name=clk_24mhz_0",
<&clk_25mhz>, "name=clk_25mhz_0",
<&clk_imx290>, "name=clk_imx290_0";

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";

gpio-sel = <&mux>, "mux-gpios:4";
};
};
23 changes: 17 additions & 6 deletions arch/arm/boot/dts/overlays/camera-mux-4port-overlay.dts
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Original file line number Diff line number Diff line change
Expand Up @@ -617,8 +617,9 @@
fragment@203 {
target-path="/";
__overlay__ {
mux: mux-controller {
mux: mux-controller@1 {
compatible = "gpio-mux";
reg = <1>;
#mux-control-cells = <0>;

/* SEL, En2, En1 */
Expand All @@ -627,8 +628,9 @@
<&gpio 17 GPIO_ACTIVE_HIGH>;
};

video-mux {
videomux: video-mux@1 {
compatible = "video-mux";
reg = <1>;
mux-controls = <&mux>;
#address-cells = <1>;
#size-cells = <0>;
Expand Down Expand Up @@ -684,23 +686,23 @@
};
};

clk_24mhz: clk_24mhz {
clk_24mhz: clk_24mhz_1 {
compatible = "fixed-clock";
#clock-cells = <0>;

clock-frequency = <24000000>;
status = "okay";
};

clk_25mhz: clk_25mhz {
clk_25mhz: clk_25mhz_1 {
compatible = "fixed-clock";
#clock-cells = <0>;

clock-frequency = <25000000>;
status = "okay";
};

clk_imx290: clk_imx290 {
clk_imx290: clk_imx290_1 {
compatible = "fixed-clock";
#clock-cells = <0>;

Expand Down Expand Up @@ -940,7 +942,12 @@
<&imx290_3>,"clock-frequency:0";

cam0 = <&i2c_frag>, "target:0=",<&i2c_csi_dsi0>,
<&csi_frag>, "target:0=",<&csi0>;
<&csi_frag>, "target:0=",<&csi0>,
<&mux>, "reg:0=0",
<&videomux>, "reg:0=0",
<&clk_24mhz>, "name=clk_24mhz_0",
<&clk_25mhz>, "name=clk_25mhz_0",
<&clk_imx290>, "name=clk_imx290_0";

cam0-sync-source = <&imx477_0>, "trigger-mode:0=1";
cam0-sync-sink = <&imx477_0>, "trigger-mode:0=2";
Expand All @@ -950,5 +957,9 @@
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";

gpio-sel = <&mux>, "mux-gpios:4";
gpio-en2 = <&mux>, "mux-gpios:16";
gpio-en1 = <&mux>, "mux-gpios:28";
};
};
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