diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0875-dtoverlay-Add-overlay-for-Omnivision-OV9281-image-se.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0875-dtoverlay-Add-overlay-for-Omnivision-OV9281-image-se.patch | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0875-dtoverlay-Add-overlay-for-Omnivision-OV9281-image-se.patch b/target/linux/bcm27xx/patches-5.4/950-0875-dtoverlay-Add-overlay-for-Omnivision-OV9281-image-se.patch new file mode 100644 index 0000000000..c1664532ff --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0875-dtoverlay-Add-overlay-for-Omnivision-OV9281-image-se.patch @@ -0,0 +1,157 @@ +From 489b7fc3df2013766f3c4d5f682dcc7992950293 Mon Sep 17 00:00:00 2001 +From: Dave Stevenson <dave.stevenson@raspberrypi.com> +Date: Mon, 6 Jul 2020 17:32:21 +0100 +Subject: [PATCH] dtoverlay: Add overlay for Omnivision OV9281 image + sensor + +Adds an overlay for the OV9281 mono imaging sensor using 2 CSI-2 +data lanes. + +Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com> +--- + arch/arm/boot/dts/overlays/Makefile | 1 + + arch/arm/boot/dts/overlays/README | 8 ++ + arch/arm/boot/dts/overlays/ov9281-overlay.dts | 110 ++++++++++++++++++ + 3 files changed, 119 insertions(+) + create mode 100644 arch/arm/boot/dts/overlays/ov9281-overlay.dts + +--- a/arch/arm/boot/dts/overlays/Makefile ++++ b/arch/arm/boot/dts/overlays/Makefile +@@ -115,6 +115,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \ + mpu6050.dtbo \ + mz61581.dtbo \ + ov5647.dtbo \ ++ ov9281.dtbo \ + papirus.dtbo \ + pibell.dtbo \ + piglow.dtbo \ +--- a/arch/arm/boot/dts/overlays/README ++++ b/arch/arm/boot/dts/overlays/README +@@ -1813,6 +1813,14 @@ Load: dtoverlay=ov5647 + Params: <None> + + ++Name: ov9281 ++Info: Omnivision OV9281 camera module. ++ Uses Unicam 1, which is the standard camera connector on most Pi ++ variants. ++Load: dtoverlay=ov9281 ++Params: <None> ++ ++ + Name: papirus + Info: PaPiRus ePaper Screen by Pi Supply (both HAT and pHAT) + Load: dtoverlay=papirus,<param>=<val> +--- /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"; ++ }; ++ }; ++}; |