diff options
Diffstat (limited to 'arch/arm/boot/dts/overlays/ov9281-overlay.dts')
-rw-r--r-- | arch/arm/boot/dts/overlays/ov9281-overlay.dts | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/overlays/ov9281-overlay.dts b/arch/arm/boot/dts/overlays/ov9281-overlay.dts new file mode 100644 index 000000000000..4411c9d96564 --- /dev/null +++ b/arch/arm/boot/dts/overlays/ov9281-overlay.dts @@ -0,0 +1,110 @@ +// SPDX-License-Identifier: GPL-2.0-only +// Definitions for OV9281 camera module on VC I2C bus +/dts-v1/; +/plugin/; + +#include <dt-bindings/gpio/gpio.h> + +/{ + compatible = "brcm,bcm2835"; + + fragment@0 { + target = <&i2c_csi_dsi>; + __overlay__ { + #address-cells = <1>; + #size-cells = <0>; + status = "okay"; + + ov9281: ov9281@60 { + compatible = "ovti,ov9281"; + reg = <0x60>; + status = "okay"; + + clocks = <&ov9281_clk>; + clock-names = "xvclk"; + + avdd-supply = <&ov9281_avdd>; + dovdd-supply = <&ov9281_dovdd>; + dvdd-supply = <&ov9281_dvdd>; + + port { + ov9281_0: endpoint { + remote-endpoint = <&csi1_ep>; + clock-lanes = <0>; + data-lanes = <1 2>; + clock-noncontinuous; + link-frequencies = + /bits/ 64 <456000000>; + }; + }; + }; + }; + }; + + fragment@1 { + target = <&csi1>; + __overlay__ { + status = "okay"; + + port { + csi1_ep: endpoint { + remote-endpoint = <&ov9281_0>; + data-lanes = <1 2>; + }; + }; + }; + }; + + fragment@2 { + target = <&i2c0if>; + __overlay__ { + status = "okay"; + }; + }; + + fragment@3 { + target-path="/"; + __overlay__ { + ov9281_avdd: fixedregulator@0 { + compatible = "regulator-fixed"; + regulator-name = "ov9281_avdd"; + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <2800000>; + gpio = <&gpio 41 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + ov9281_dovdd: fixedregulator@1 { + compatible = "regulator-fixed"; + regulator-name = "ov9281_dovdd"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + }; + ov9281_dvdd: fixedregulator@2 { + compatible = "regulator-fixed"; + regulator-name = "ov9281_dvdd"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1200000>; + }; + ov9281_clk: ov9281-clk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <24000000>; + }; + }; + }; + + fragment@4 { + target = <&i2c0mux>; + __overlay__ { + status = "okay"; + }; + }; + + fragment@5 { + target-path="/__overrides__"; + __overlay__ { + cam0-pwdn-ctrl = <&ov9281_avdd>,"gpio:0"; + cam0-pwdn = <&ov9281_avdd>,"gpio:4"; + }; + }; +}; |