From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Rishikesh Donadkar <r-donadkar@ti.com>
Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
tomi.valkeinen@ideasonboard.com, mchehab@kernel.org,
robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org,
nm@ti.com, vigneshr@ti.com, kristo@kernel.org,
sakari.ailus@linux.intel.com, mripard@kernel.org,
jai.luthra@linux.dev, jai.luthra@ideasonboard.com,
devarsht@ti.com, y-abhilashchandra@ti.com,
mirela.rabulea@nxp.com
Subject: Re: [RFC PATCH 7/8] arm64: dts: ti: k3-am62a7: FPDLink overlays for LI OV2312
Date: Sat, 26 Sep 2026 17:57:15 +0300 [thread overview]
Message-ID: <20260926145715.GF764757@killaraus.ideasonboard.com> (raw)
In-Reply-To: <20260925133001.2780868-8-r-donadkar@ti.com>
On Fri, Sep 25, 2026 at 07:00:00PM +0530, Rishikesh Donadkar wrote:
> From: Jai Luthra <j-luthra@ti.com>
>
> OV2312 is a raw (4x4 RGB-IR bayer) sensor, the LI-OV2312-FPDLinkIII-110H
> module [1] packages it with an FPDLink-III serializer (DS90UB953) for
> use with sensor fusion setups using FPDLink-III deserializer boards.
>
> Link: https://www.leopardimaging.com/product/autonomous-camera/ti-fpdlinkiii-cameras/li-ov2312-fpdlinkiii/li-ov2312-fpdlinkiii-110h/ [1]
> Signed-off-by: Jai Luthra <j-luthra@ti.com>
> Signed-off-by: Rishikesh Donadkar <r-donadkar@ti.com>
> ---
> arch/arm64/boot/dts/ti/Makefile | 6 ++
> .../boot/dts/ti/k3-fpdlink-ov2312-0-0.dtso | 89 +++++++++++++++++++
> .../boot/dts/ti/k3-fpdlink-ov2312-0-1.dtso | 89 +++++++++++++++++++
> .../boot/dts/ti/k3-fpdlink-ov2312-0-2.dtso | 89 +++++++++++++++++++
> .../boot/dts/ti/k3-fpdlink-ov2312-0-3.dtso | 89 +++++++++++++++++++
This seems to be a very strong candidate for the new DT addons
(https://bootlin.com/blog/device-tree-addons-describing-non-discoverable-addon-boards-and-connectors/).
It would help getting this feature merged if you could give it a try.
> 5 files changed, 362 insertions(+)
> create mode 100644 arch/arm64/boot/dts/ti/k3-fpdlink-ov2312-0-0.dtso
> create mode 100644 arch/arm64/boot/dts/ti/k3-fpdlink-ov2312-0-1.dtso
> create mode 100644 arch/arm64/boot/dts/ti/k3-fpdlink-ov2312-0-2.dtso
> create mode 100644 arch/arm64/boot/dts/ti/k3-fpdlink-ov2312-0-3.dtso
>
> diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile
> index 795978e962ee..8d608e244087 100644
> --- a/arch/arm64/boot/dts/ti/Makefile
> +++ b/arch/arm64/boot/dts/ti/Makefile
> @@ -508,5 +508,11 @@ dtb- += k3-am625-beagleplay-csi2-ov5640.dtb \
> k3-j784s4-evm-usb0-type-a.dtb \
> k3-j784s4-evm-usxgmii-exp1-exp2.dtb
>
> +# FPDLink Sensors
> +dtb-$(CONFIG_ARCH_K3) += k3-fpdlink-ov2312-0-0.dtbo \
> + k3-fpdlink-ov2312-0-1.dtbo \
> + k3-fpdlink-ov2312-0-2.dtbo \
> + k3-fpdlink-ov2312-0-3.dtbo
> +
> # Enable support for device-tree overlays
> DTC_FLAGS := -@
> diff --git a/arch/arm64/boot/dts/ti/k3-fpdlink-ov2312-0-0.dtso b/arch/arm64/boot/dts/ti/k3-fpdlink-ov2312-0-0.dtso
> new file mode 100644
> index 000000000000..0829f01a0f90
> --- /dev/null
> +++ b/arch/arm64/boot/dts/ti/k3-fpdlink-ov2312-0-0.dtso
> @@ -0,0 +1,89 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * IMX390 FPD-Link 3 Camera Module
> + * Copyright (c) 2023 Texas Instruments Incorporated - http://www.ti.com/
> + */
> +
> +/dts-v1/;
> +/plugin/;
> +
> +#include <dt-bindings/gpio/gpio.h>
> +
> +&deserializer_0_ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + /* FPDLink RX 0 */
> + port@0 {
> + reg = <0>;
> +
> + ub960_fpd3_1_in: endpoint {
> + remote-endpoint = <&ub953_1_out>;
> + };
> + };
> +};
> +
> +&deserializer_0_links {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + link@0 {
> + reg = <0>;
> + i2c-alias = <0x44>;
> +
> + ti,rx-mode = <3>;
> +
> + serializer: serializer {
> + compatible = "ti,ds90ub953-q1";
> + gpio-controller;
> + #gpio-cells = <2>;
> +
> + #clock-cells = <0>;
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> + ub953_1_in: endpoint {
> + data-lanes = <1 2>;
> + /*clock-noncontinuous;*/
> + remote-endpoint = <&sensor_1_out>;
> + };
> + };
> +
> + port@1 {
> + reg = <1>;
> +
> + ub953_1_out: endpoint {
> + remote-endpoint = <&ub960_fpd3_1_in>;
> + };
> + };
> + };
> +
> + i2c {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + sensor@60 {
> + compatible = "ovti,ov2312";
> + reg = <0x60>;
> +
> + clocks = <&serializer>;
> + clock-names = "xvclk";
> + assigned-clocks = <&serializer>;
> + assigned-clock-rates = <24000000>;
> +
> + reset-gpios = <&serializer 2 GPIO_ACTIVE_HIGH>;
> +
> + port {
> + sensor_1_out: endpoint {
> + remote-endpoint = <&ub953_1_in>;
> + };
> + };
> + };
> + };
> + };
> + };
> +};
> diff --git a/arch/arm64/boot/dts/ti/k3-fpdlink-ov2312-0-1.dtso b/arch/arm64/boot/dts/ti/k3-fpdlink-ov2312-0-1.dtso
> new file mode 100644
> index 000000000000..06cba8c7397f
> --- /dev/null
> +++ b/arch/arm64/boot/dts/ti/k3-fpdlink-ov2312-0-1.dtso
> @@ -0,0 +1,89 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * IMX390 FPD-Link 3 Camera Module
> + * Copyright (c) 2023 Texas Instruments Incorporated - http://www.ti.com/
> + */
> +
> +/dts-v1/;
> +/plugin/;
> +
> +#include <dt-bindings/gpio/gpio.h>
> +
> +&deserializer_0_ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + /* FPDLink RX 1 */
> + port@1 {
> + reg = <1>;
> +
> + ub960_fpd3_1_in: endpoint {
> + remote-endpoint = <&ub953_1_out>;
> + };
> + };
> +};
> +
> +&deserializer_0_links {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + link@1 {
> + reg = <1>;
> + i2c-alias = <0x45>;
> +
> + ti,rx-mode = <3>;
> +
> + serializer: serializer {
> + compatible = "ti,ds90ub953-q1";
> + gpio-controller;
> + #gpio-cells = <2>;
> +
> + #clock-cells = <0>;
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> + ub953_1_in: endpoint {
> + data-lanes = <1 2>;
> + /*clock-noncontinuous;*/
> + remote-endpoint = <&sensor_1_out>;
> + };
> + };
> +
> + port@1 {
> + reg = <1>;
> +
> + ub953_1_out: endpoint {
> + remote-endpoint = <&ub960_fpd3_1_in>;
> + };
> + };
> + };
> +
> + i2c {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + sensor@60 {
> + compatible = "ovti,ov2312";
> + reg = <0x60>;
> +
> + clocks = <&serializer>;
> + clock-names = "xvclk";
> + assigned-clocks = <&serializer>;
> + assigned-clock-rates = <24000000>;
> +
> + reset-gpios = <&serializer 2 GPIO_ACTIVE_HIGH>;
> +
> + port {
> + sensor_1_out: endpoint {
> + remote-endpoint = <&ub953_1_in>;
> + };
> + };
> + };
> + };
> + };
> + };
> +};
> diff --git a/arch/arm64/boot/dts/ti/k3-fpdlink-ov2312-0-2.dtso b/arch/arm64/boot/dts/ti/k3-fpdlink-ov2312-0-2.dtso
> new file mode 100644
> index 000000000000..7d377dbe5bbf
> --- /dev/null
> +++ b/arch/arm64/boot/dts/ti/k3-fpdlink-ov2312-0-2.dtso
> @@ -0,0 +1,89 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * IMX390 FPD-Link 3 Camera Module
> + * Copyright (c) 2023 Texas Instruments Incorporated - http://www.ti.com/
> + */
> +
> +/dts-v1/;
> +/plugin/;
> +
> +#include <dt-bindings/gpio/gpio.h>
> +
> +&deserializer_0_ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + /* FPDLink RX 2 */
> + port@2 {
> + reg = <2>;
> +
> + ub960_fpd3_1_in: endpoint {
> + remote-endpoint = <&ub953_1_out>;
> + };
> + };
> +};
> +
> +&deserializer_0_links {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + link@2 {
> + reg = <2>;
> + i2c-alias = <0x46>;
> +
> + ti,rx-mode = <3>;
> +
> + serializer: serializer {
> + compatible = "ti,ds90ub953-q1";
> + gpio-controller;
> + #gpio-cells = <2>;
> +
> + #clock-cells = <0>;
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> + ub953_1_in: endpoint {
> + data-lanes = <1 2>;
> + /*clock-noncontinuous;*/
> + remote-endpoint = <&sensor_1_out>;
> + };
> + };
> +
> + port@1 {
> + reg = <1>;
> +
> + ub953_1_out: endpoint {
> + remote-endpoint = <&ub960_fpd3_1_in>;
> + };
> + };
> + };
> +
> + i2c {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + sensor@60 {
> + compatible = "ovti,ov2312";
> + reg = <0x60>;
> +
> + clocks = <&serializer>;
> + clock-names = "xvclk";
> + assigned-clocks = <&serializer>;
> + assigned-clock-rates = <24000000>;
> +
> + reset-gpios = <&serializer 2 GPIO_ACTIVE_HIGH>;
> +
> + port {
> + sensor_1_out: endpoint {
> + remote-endpoint = <&ub953_1_in>;
> + };
> + };
> + };
> + };
> + };
> + };
> +};
> diff --git a/arch/arm64/boot/dts/ti/k3-fpdlink-ov2312-0-3.dtso b/arch/arm64/boot/dts/ti/k3-fpdlink-ov2312-0-3.dtso
> new file mode 100644
> index 000000000000..f74bff5f12b0
> --- /dev/null
> +++ b/arch/arm64/boot/dts/ti/k3-fpdlink-ov2312-0-3.dtso
> @@ -0,0 +1,89 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * IMX390 FPD-Link 3 Camera Module
> + * Copyright (c) 2023 Texas Instruments Incorporated - http://www.ti.com/
> + */
> +
> +/dts-v1/;
> +/plugin/;
> +
> +#include <dt-bindings/gpio/gpio.h>
> +
> +&deserializer_0_ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + /* FPDLink RX 3 */
> + port@3 {
> + reg = <3>;
> +
> + ub960_fpd3_1_in: endpoint {
> + remote-endpoint = <&ub953_1_out>;
> + };
> + };
> +};
> +
> +&deserializer_0_links {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + link@3 {
> + reg = <3>;
> + i2c-alias = <0x47>;
> +
> + ti,rx-mode = <3>;
> +
> + serializer: serializer {
> + compatible = "ti,ds90ub953-q1";
> + gpio-controller;
> + #gpio-cells = <2>;
> +
> + #clock-cells = <0>;
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> + ub953_1_in: endpoint {
> + data-lanes = <1 2>;
> + /*clock-noncontinuous;*/
> + remote-endpoint = <&sensor_1_out>;
> + };
> + };
> +
> + port@1 {
> + reg = <1>;
> +
> + ub953_1_out: endpoint {
> + remote-endpoint = <&ub960_fpd3_1_in>;
> + };
> + };
> + };
> +
> + i2c {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + sensor@60 {
> + compatible = "ovti,ov2312";
> + reg = <0x60>;
> +
> + clocks = <&serializer>;
> + clock-names = "xvclk";
> + assigned-clocks = <&serializer>;
> + assigned-clock-rates = <24000000>;
> +
> + reset-gpios = <&serializer 2 GPIO_ACTIVE_HIGH>;
> +
> + port {
> + sensor_1_out: endpoint {
> + remote-endpoint = <&ub953_1_in>;
> + };
> + };
> + };
> + };
> + };
> + };
> +};
--
Regards,
Laurent Pinchart
next prev parent reply other threads:[~2026-09-26 14:57 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-25 13:29 [RFC PATCH 0/8] Add OmniVision OV2312 RGB-IR sensor driver Rishikesh Donadkar
2026-09-25 13:29 ` [RFC PATCH 1/8] dt-bindings: media: Add bindings for Omnivision OV2312 Rishikesh Donadkar
2026-09-25 13:40 ` sashiko-bot
2026-09-26 14:51 ` Laurent Pinchart
2026-09-25 13:29 ` [RFC PATCH 2/8] media: v4l: Add 10-bit RGBIr formats Rishikesh Donadkar
2026-09-25 13:39 ` sashiko-bot
2026-09-26 14:30 ` Sakari Ailus
2026-09-26 14:40 ` Laurent Pinchart
2026-09-27 5:09 ` Rishikesh Donadkar
2026-09-27 5:08 ` Rishikesh Donadkar
2026-09-27 5:59 ` Sakari Ailus
2026-09-25 13:29 ` [RFC PATCH 3/8] media: i2c: ds90ub960: " Rishikesh Donadkar
2026-09-25 13:41 ` sashiko-bot
2026-09-25 13:29 ` [RFC PATCH 4/8] media: cadence: csi2rx: Add RAW10 " Rishikesh Donadkar
2026-09-26 14:52 ` Laurent Pinchart
2026-09-27 5:20 ` Rishikesh Donadkar
2026-09-27 14:19 ` Laurent Pinchart
2026-09-25 13:29 ` [RFC PATCH 5/8] media: ti: j721e-csi2rx: " Rishikesh Donadkar
2026-09-25 13:29 ` [RFC PATCH 6/8] media: i2c: ov2312: add Omnivison OV2312 driver Rishikesh Donadkar
2026-09-25 13:44 ` sashiko-bot
2026-10-02 16:16 ` Mirela Rabulea
2026-10-03 2:05 ` Jai Luthra
2026-10-05 18:12 ` Mirela Rabulea
2026-10-06 5:19 ` Rishikesh Donadkar
2026-10-06 12:33 ` [EXT] " Mirela Rabulea
2026-10-06 7:36 ` Sakari Ailus
2026-10-06 13:55 ` Mirela Rabulea
2026-10-06 15:37 ` Laurent Pinchart
2026-10-07 7:16 ` Mirela Rabulea
2026-09-25 13:30 ` [RFC PATCH 7/8] arm64: dts: ti: k3-am62a7: FPDLink overlays for LI OV2312 Rishikesh Donadkar
2026-09-25 13:43 ` sashiko-bot
2026-09-26 14:57 ` Laurent Pinchart [this message]
2026-09-27 5:23 ` Rishikesh Donadkar
2026-09-25 13:30 ` [RFC PATCH 8/8] arm64: defconfig: Enable OV2312 Rishikesh Donadkar
2026-09-26 14:55 ` Laurent Pinchart
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