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Message-ID: <20191023160635.2phiwxdlijucwnaq@ti.com>
Date: Wed, 23 Oct 2019 11:06:36 -0500
From: Benoit Parrot <bparrot@...com>
To: Hans Verkuil <hverkuil@...all.nl>
CC: Rob Herring <robh+dt@...nel.org>, <linux-media@...r.kernel.org>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [Patch 19/19] dt-bindings: media: cal: convert binding to yaml
Hans Verkuil <hverkuil@...all.nl> wrote on Mon [2019-Oct-21 12:49:00 +0200]:
> On 10/18/19 5:34 PM, Benoit Parrot wrote:
> > Convert ti-cal.txt to ti,cal.yaml.
> >
> > Signed-off-by: Benoit Parrot <bparrot@...com>
>
> Can you add this bindings file to MAINTAINERS as well in a separate patch?
Yes I can do that, no problem.
Benoit
>
> Thanks!
>
> Hans
>
> > ---
> > .../devicetree/bindings/media/ti,cal.yaml | 186 ++++++++++++++++++
> > .../devicetree/bindings/media/ti-cal.txt | 82 --------
> > 2 files changed, 186 insertions(+), 82 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..c3fbb22b4571
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/media/ti,cal.yaml
> > @@ -0,0 +1,186 @@
> > +# 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.
> > +
> > + compatible should be
> > + "ti,dra72-cal", for DRA72 controllers
> > + "ti,dra72-pre-es2-cal", for DRA72 controllers pre ES2.0
> > + "ti,dra76-cal", for DRA76 controllers
> > + "ti,am654-cal", for AM654 controllers
> > +
> > +properties:
> > + compatible:
> > + items:
> > + - enum:
> > + - ti,dra72-cal
> > + - ti,dra72-pre-es2-cal
> > + - ti,dra76-cal
> > + - 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
> > +
> > + syscon-camerrx:
> > + maxItems: 1
> > + items:
> > + - description:
> > + phandle to the device control module and offset to the
> > + control_camerarx_core register
> > +
> > + clocks:
> > + maxItems: 1
> > + description: functional clock
> > +
> > + clock-names:
> > + items:
> > + - 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:
> > + maxItems: 1
> > + type: object
> > + additionalProperties: false
> > +
> > + properties:
> > + "#address-cells":
> > + const: 1
> > +
> > + "#size-cells":
> > + const: 0
> > +
> > + patternProperties:
> > + '^port@[0-9a-fA-F]+$':
> > + minItems: 1
> > + maxItems: 2
> > + type: object
> > + additionalProperties: false
> > +
> > + properties:
> > + reg:
> > + minItems: 1
> > + items:
> > + - description: The port id
> > +
> > + patternProperties:
> > + '^endpoint@[0-9a-fA-F]+$':
> > + minItems: 1
> > + type: object
> > + additionalProperties: false
> > +
> > + properties:
> > + clock-lanes:
> > + maxItems: 1
> > +
> > + data-lanes:
> > + minItems: 1
> > + maxItems: 4
> > +
> > + remote-endpoint: true
> > +
> > + required:
> > + - remote-endpoint
> > +
> > + required:
> > + - reg
> > +
> > +required:
> > + - compatible
> > + - reg
> > + - reg-names
> > + - interrupts
> > + - syscon-camerrx
> > +
> > +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>;
> > + syscon-camerrx = <&scm_conf 0xE94>;
> > +
> > + ports {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + csi2_0: port@0 {
> > + reg = <0>;
> > + csi2_phy0: endpoint@0 {
> > + remote-endpoint = <&csi2_cam0>;
> > + clock-lanes = <0>;
> > + data-lanes = <1 2>;
> > + };
> > + };
> > + };
> > + };
> > +
> > + i2c5: i2c@...7c000 {
> > + status = "okay";
> > + clock-frequency = <400000>;
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + ov5640@3c {
> > + compatible = "ovti,ov5640";
> > + reg = <0x3c>;
> > +
> > + clocks = <&clk_ov5640_fixed>;
> > + clock-names = "xclk";
> > +
> > + port {
> > + csi2_cam0: endpoint@0 {
> > + 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 b7bf8492dc2a..000000000000
> > --- a/Documentation/devicetree/bindings/media/ti-cal.txt
> > +++ /dev/null
> > @@ -1,82 +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;
> > -- syscon-camerrx: 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>;
> > - syscon-camerrx = <&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@0 {
> > - remote-endpoint = <&csi2_cam0>;
> > - clock-lanes = <0>;
> > - data-lanes = <1 2>;
> > - };
> > - };
> > - csi2_1: port@1 {
> > - reg = <1>;
> > - };
> > - };
> > - };
> > -
> > - i2c5: i2c@...7c000 {
> > - status = "okay";
> > - clock-frequency = <400000>;
> > -
> > - ov5640@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>;
> > - };
> > - };
> > - };
> > - };
> >
>
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