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Message-ID: <20191106211524.7n2aycypunkphe55@ti.com>
Date: Wed, 6 Nov 2019 15:15:24 -0600
From: Benoit Parrot <bparrot@...com>
To: Hans Verkuil <hverkuil@...all.nl>
CC: <linux-media@...r.kernel.org>, Rob Herring <robh+dt@...nel.org>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [Patch v2 19/20] dt-bindings: media: cal: convert binding to yaml
Looks like I am missing a rebase for this specific patch where I address
Rob's comment about port@0 and port@1.
I'll update it in the next version.
Benoit
Benoit Parrot <bparrot@...com> wrote on Mon [2019-Nov-04 13:31:39 -0600]:
> Convert ti-cal.txt to ti,cal.yaml.
>
> Signed-off-by: Benoit Parrot <bparrot@...com>
> ---
> .../devicetree/bindings/media/ti,cal.yaml | 172 ++++++++++++++++++
> .../devicetree/bindings/media/ti-cal.txt | 81 ---------
> 2 files changed, 172 insertions(+), 81 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/media/ti,cal.yaml
> delete mode 100644 Documentation/devicetree/bindings/media/ti-cal.txt
>
> diff --git a/Documentation/devicetree/bindings/media/ti,cal.yaml b/Documentation/devicetree/bindings/media/ti,cal.yaml
> new file mode 100644
> index 000000000000..d19587ea6470
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/ti,cal.yaml
> @@ -0,0 +1,172 @@
> +# SPDX-License-Identifier: (GPL-2.0)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/ti,cal.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Texas Instruments DRA72x CAMERA ADAPTATION LAYER (CAL) Device Tree Bindings
> +
> +maintainers:
> + - Benoit Parrot <bparrot@...com>
> +
> +description: |-
> + The Camera Adaptation Layer (CAL) is a key component for image capture
> + applications. The capture module provides the system interface and the
> + processing capability to connect CSI2 image-sensor modules to the
> + DRA72x device.
> +
> + CAL supports 2 camera port nodes on MIPI bus. Each CSI2 camera port nodes
> + should contain a 'port' child node with child 'endpoint' node. Please
> + refer to the bindings defined in
> + Documentation/devicetree/bindings/media/video-interfaces.txt.
> +
> +properties:
> + compatible:
> + enum:
> + # for DRA72 controllers
> + - ti,dra72-cal
> + # for DRA72 controllers pre ES2.0
> + - ti,dra72-pre-es2-cal
> + # for DRA76 controllers
> + - ti,dra76-cal
> + # for AM654 controllers
> + - ti,am654-cal
> +
> + reg:
> + minItems: 2
> + items:
> + - description: The CAL main register region
> + - description: The RX Core0 (DPHY0) register region
> + - description: The RX Core1 (DPHY1) register region
> +
> + reg-names:
> + minItems: 2
> + items:
> + - const: cal_top
> + - const: cal_rx_core0
> + - const: cal_rx_core1
> +
> + interrupts:
> + maxItems: 1
> +
> + ti,camerrx-control:
> + $ref: "/schemas/types.yaml#/definitions/phandle-array"
> + description:
> + phandle to the device control module and offset to the
> + control_camerarx_core register
> +
> + clocks:
> + maxItems: 1
> +
> + clock-names:
> + const: fck
> +
> + power-domains:
> + description:
> + List of phandle and PM domain specifier as documented in
> + Documentation/devicetree/bindings/power/power_domain.txt
> + maxItems: 1
> +
> + # See ./video-interfaces.txt for details
> + ports:
> + type: object
> + additionalProperties: false
> +
> + properties:
> + "#address-cells":
> + const: 1
> +
> + "#size-cells":
> + const: 0
> +
> + patternProperties:
> + '^port@[0-9a-fA-F]+$':
> + type: object
> + additionalProperties: false
> +
> + properties:
> + reg:
> + minItems: 1
> + items:
> + - description: The port id
> +
> + patternProperties:
> + endpoint:
> + type: object
> + additionalProperties: false
> +
> + properties:
> + clock-lanes:
> + maxItems: 1
> +
> + data-lanes:
> + minItems: 1
> + maxItems: 4
> +
> + remote-endpoint: true
> +
> + required:
> + - reg
> +
> +required:
> + - compatible
> + - reg
> + - reg-names
> + - interrupts
> + - ti,camerrx-control
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> +
> + cal: cal@...5b000 {
> + compatible = "ti,dra72-cal";
> + reg = <0x4845B000 0x400>,
> + <0x4845B800 0x40>,
> + <0x4845B900 0x40>;
> + reg-names = "cal_top",
> + "cal_rx_core0",
> + "cal_rx_core1";
> + interrupts = <GIC_SPI 119 IRQ_TYPE_LEVEL_HIGH>;
> + ti,camerrx-control = <&scm_conf 0xE94>;
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + csi2_0: port@0 {
> + reg = <0>;
> + csi2_phy0: endpoint {
> + remote-endpoint = <&csi2_cam0>;
> + clock-lanes = <0>;
> + data-lanes = <1 2>;
> + };
> + };
> + };
> + };
> +
> + i2c5: i2c@...7c000 {
> + clock-frequency = <400000>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + camera-sensor@3c {
> + compatible = "ovti,ov5640";
> + reg = <0x3c>;
> +
> + clocks = <&clk_ov5640_fixed>;
> + clock-names = "xclk";
> +
> + port {
> + csi2_cam0: endpoint {
> + remote-endpoint = <&csi2_phy0>;
> + clock-lanes = <0>;
> + data-lanes = <1 2>;
> + };
> + };
> + };
> + };
> +
> +...
> diff --git a/Documentation/devicetree/bindings/media/ti-cal.txt b/Documentation/devicetree/bindings/media/ti-cal.txt
> deleted file mode 100644
> index 2deb256e7032..000000000000
> --- a/Documentation/devicetree/bindings/media/ti-cal.txt
> +++ /dev/null
> @@ -1,81 +0,0 @@
> -Texas Instruments DRA72x CAMERA ADAPTATION LAYER (CAL)
> -------------------------------------------------------
> -
> -The Camera Adaptation Layer (CAL) is a key component for image capture
> -applications. The capture module provides the system interface and the
> -processing capability to connect CSI2 image-sensor modules to the
> -DRA72x device.
> -
> -Required properties:
> -- compatible:
> - Should be "ti,dra72-cal", for DRA72 controllers
> - Should be "ti,dra72-pre-es2-cal", for DRA72 controllers pre ES2.0
> - Should be "ti,dra76-cal", for DRA76 controllers
> - Should be "ti,am654-cal", for AM654 controllers
> -- reg: CAL Top level, Receiver Core #0, Receiver Core #1 and Camera RX
> - control address space
> -- reg-names: cal_top, cal_rx_core0, cal_rx_core1 and camerrx_control
> - registers
> -- interrupts: should contain IRQ line for the CAL;
> -- ti,camerrx-control: phandle to the device control module and offset to
> - the control_camerarx_core register.
> - This node is meant to replace the "camerrx_control"
> - reg entry above but "camerrx_control" is still
> - handled for backward compatibility.
> -
> -CAL supports 2 camera port nodes on MIPI bus. Each CSI2 camera port nodes
> -should contain a 'port' child node with child 'endpoint' node. Please
> -refer to the bindings defined in
> -Documentation/devicetree/bindings/media/video-interfaces.txt.
> -
> -Example:
> - cal: cal@...5b000 {
> - compatible = "ti,dra72-cal";
> - reg = <0x4845B000 0x400>,
> - <0x4845B800 0x40>,
> - <0x4845B900 0x40>;
> - reg-names = "cal_top",
> - "cal_rx_core0",
> - "cal_rx_core1";
> - interrupts = <GIC_SPI 119 IRQ_TYPE_LEVEL_HIGH>;
> - ti,camerrx-control = <&scm_conf 0xE94>;
> - #address-cells = <1>;
> - #size-cells = <0>;
> -
> - ports {
> - #address-cells = <1>;
> - #size-cells = <0>;
> -
> - csi2_0: port@0 {
> - reg = <0>;
> - csi2_phy0: endpoint {
> - remote-endpoint = <&csi2_cam0>;
> - clock-lanes = <0>;
> - data-lanes = <1 2>;
> - };
> - };
> - csi2_1: port@1 {
> - reg = <1>;
> - };
> - };
> - };
> -
> - i2c5: i2c@...7c000 {
> - clock-frequency = <400000>;
> -
> - camera-sensor@3c {
> - compatible = "ovti,ov5640";
> - reg = <0x3c>;
> -
> - clocks = <&clk_fixed>;
> - clock-names = "xclk";
> -
> - port {
> - csi2_cam0: endpoint {
> - remote-endpoint = <&csi2_phy0>;
> - clock-lanes = <0>;
> - data-lanes = <1 2>;
> - };
> - };
> - };
> - };
> --
> 2.17.1
>
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