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overlays: Add overlay for the OV64A40 Arducam Camera Module
Arducam have integrated an Omnivision OV64A40 with a ROHM BU64754 VCM with a Raspberry Pi compatible cable pinout. Provide an overlay to support the module. Also add support to the camera mux overlays. Signed-off-by: Jacopo Mondi <[email protected]> Signed-off-by: Kieran Bingham <[email protected]>
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Jacopo Mondi
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Dec 6, 2023
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,91 @@ | ||
| // SPDX-License-Identifier: GPL-2.0-only | ||
| // Definitions for OV64A40 camera module on VC I2C bus | ||
| /dts-v1/; | ||
| /plugin/; | ||
|
|
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| /{ | ||
| compatible = "brcm,bcm2835"; | ||
|
|
||
| i2c_frag: fragment@0 { | ||
| target = <&i2c_csi_dsi>; | ||
| __overlay__ { | ||
| #address-cells = <1>; | ||
| #size-cells = <0>; | ||
| status = "okay"; | ||
|
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| #include "ov64a40.dtsi" | ||
| }; | ||
| }; | ||
|
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| csi_frag: fragment@1 { | ||
| target = <&csi1>; | ||
| csi: __overlay__ { | ||
| status = "okay"; | ||
| brcm,media-controller; | ||
|
|
||
| port{ | ||
| csi_ep: endpoint{ | ||
| remote-endpoint = <&cam_endpoint>; | ||
| clock-lanes = <0>; | ||
| data-lanes = <1 2>; | ||
| }; | ||
| }; | ||
| }; | ||
| }; | ||
|
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||
| fragment@2 { | ||
| target = <&i2c0if>; | ||
| __overlay__ { | ||
| status = "okay"; | ||
| }; | ||
| }; | ||
|
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||
| clk_frag: fragment@3 { | ||
| target = <&cam1_clk>; | ||
| __overlay__ { | ||
| clock-frequency = <24000000>; | ||
| status = "okay"; | ||
| }; | ||
| }; | ||
|
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||
| fragment@4 { | ||
| target = <&i2c0mux>; | ||
| __overlay__ { | ||
| status = "okay"; | ||
| }; | ||
| }; | ||
|
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||
| fragment@5 { | ||
| target = <&cam_node>; | ||
| __overlay__ { | ||
| lens-focus = <&vcm_node>; | ||
| }; | ||
| }; | ||
|
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||
| __overrides__ { | ||
| rotation = <&cam_node>,"rotation:0"; | ||
| orientation = <&cam_node>,"orientation:0"; | ||
| media-controller = <&csi>,"brcm,media-controller?"; | ||
| cam0 = <&i2c_frag>, "target:0=",<&i2c_csi_dsi0>, | ||
| <&csi_frag>, "target:0=",<&csi0>, | ||
| <&clk_frag>, "target:0=",<&cam0_clk>, | ||
| <&cam_node>, "clocks:0=",<&cam0_clk>, | ||
| <&cam_node>, "avdd-supply:0=",<&cam0_reg>, | ||
| <&vcm_node>, "vdd-supply:0=",<&cam0_reg>; | ||
| vcm = <&vcm_node>, "status", | ||
| <0>, "=5"; | ||
| link-frequency = <&cam_endpoint>,"link-frequencies#0"; | ||
| }; | ||
| }; | ||
|
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| &cam_node { | ||
| status = "okay"; | ||
| }; | ||
|
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| &cam_endpoint { | ||
| remote-endpoint = <&csi_ep>; | ||
| }; | ||
|
|
||
| &vcm_node { | ||
| status = "okay"; | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| // Fragment that configures an OV64A40 | ||
|
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| cam_node: ov64a40@36 { | ||
| compatible = "ovti,ov64a40"; | ||
| reg = <0x36>; | ||
| status = "disabled"; | ||
|
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| clocks = <&cam1_clk>; | ||
| clock-names = "xclk"; | ||
|
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| avdd-supply = <&cam1_reg>; /* 2.8v */ | ||
| dovdd-supply = <&cam_dummy_reg>;/* 1.8v */ | ||
| dvdd-supply = <&cam_dummy_reg>; /* 1.1v */ | ||
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| rotation = <180>; | ||
| orientation = <2>; | ||
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| port { | ||
| cam_endpoint: endpoint { | ||
| bus-type = <4>; | ||
| clock-lanes = <0>; | ||
| data-lanes = <1 2>; | ||
| link-frequencies = | ||
| /bits/ 64 <456000000>; | ||
| }; | ||
| }; | ||
| }; | ||
|
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| vcm_node: bu64754@76 { | ||
| compatible = "rohm,bu64754"; | ||
| reg = <0x76>; | ||
| status = "disabled"; | ||
| vdd-supply = <&cam1_reg>; | ||
| }; |