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Date: Fri, 27 Mar 2020 13:46:37 -0600
From: Rob Herring <robh@...nel.org>
To: Lubomir Rintel <lkundrak@...sk>
Cc: Linus Walleij <linus.walleij@...aro.org>,
Bartosz Golaszewski <bgolaszewski@...libre.com>,
Thomas Gleixner <tglx@...utronix.de>,
Jason Cooper <jason@...edaemon.net>,
Marc Zyngier <maz@...nel.org>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Ulf Hansson <ulf.hansson@...aro.org>,
Kishon Vijay Abraham I <kishon@...com>,
Alessandro Zummo <a.zummo@...ertech.it>,
Alexandre Belloni <alexandre.belloni@...tlin.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Mark Brown <broonie@...nel.org>,
Daniel Lezcano <daniel.lezcano@...aro.org>,
Andrew Lunn <andrew@...n.ch>,
Gregory Clement <gregory.clement@...tlin.com>,
Daniel Mack <daniel@...que.org>,
Haojian Zhuang <haojian.zhuang@...il.com>,
Robert Jarzmik <robert.jarzmik@...e.fr>,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-gpio@...r.kernel.org, linux-i2c@...r.kernel.org,
linux-media@...r.kernel.org, linux-mmc@...r.kernel.org,
linux-rtc@...r.kernel.org, linux-serial@...r.kernel.org,
linux-spi@...r.kernel.org, linux-usb@...r.kernel.org
Subject: Re: [PATCH 24/28] dt-bindings: media: Convert marvell,mmp2-ccic to
json-schema
On Tue, Mar 17, 2020 at 10:39:18AM +0100, Lubomir Rintel wrote:
> Convert the marvell,mmp2-ccic binding to DT schema format using
> json-schema.
>
> Signed-off-by: Lubomir Rintel <lkundrak@...sk>
> ---
> .../bindings/media/marvell,mmp2-ccic.txt | 50 ---------
> .../bindings/media/marvell,mmp2-ccic.yaml | 102 ++++++++++++++++++
> 2 files changed, 102 insertions(+), 50 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/media/marvell,mmp2-ccic.txt
> create mode 100644 Documentation/devicetree/bindings/media/marvell,mmp2-ccic.yaml
>
> diff --git a/Documentation/devicetree/bindings/media/marvell,mmp2-ccic.txt b/Documentation/devicetree/bindings/media/marvell,mmp2-ccic.txt
> deleted file mode 100644
> index 7ec2c8c8a3b98..0000000000000
> --- a/Documentation/devicetree/bindings/media/marvell,mmp2-ccic.txt
> +++ /dev/null
> @@ -1,50 +0,0 @@
> -Marvell MMP2 camera host interface
> -
> -Required properties:
> - - compatible: Should be "marvell,mmp2-ccic".
> - - reg: Register base and size.
> - - interrupts: The interrupt number.
> - - #clock-cells: Must be 0.
> -
> -Optional properties:
> - - clocks: Reference to the input clock as specified by
> - Documentation/devicetree/bindings/clock/clock-bindings.txt.
> - - clock-names: Names of the clocks used; "axi" for the AXI bus interface,
> - "func" for the peripheral clock and "phy" for the parallel
> - video bus interface.
> - - clock-output-names: Optional clock source for sensors. Shall be "mclk".
> -
> -Required subnodes:
> - - port: The parallel bus interface port with a single endpoint linked to
> - the sensor's endpoint as described in
> - Documentation/devicetree/bindings/media/video-interfaces.txt.
> -
> -Required endpoint properties:
> - - bus-type: data bus type, <5> or <6> for Parallel or Bt.656 respectively
> - - pclk-sample: pixel clock polarity
> - - hsync-active: horizontal synchronization polarity (only required for
> - parallel bus)
> - - vsync-active: vertical synchronization polarity (only required for
> - parallel bus)
> -
> -Example:
> -
> - camera0: camera@...0a000 {
> - compatible = "marvell,mmp2-ccic";
> - reg = <0xd420a000 0x800>;
> - interrupts = <42>;
> - clocks = <&soc_clocks MMP2_CLK_CCIC0>;
> - clock-names = "axi";
> - #clock-cells = <0>;
> - clock-output-names = "mclk";
> -
> - port {
> - camera0_0: endpoint {
> - remote-endpoint = <&ov7670_0>;
> - bus-type = <5>; /* Parallel */
> - hsync-active = <1>; /* Active high */
> - vsync-active = <1>; /* Active high */
> - pclk-sample = <0>; /* Falling */
> - };
> - };
> - };
> diff --git a/Documentation/devicetree/bindings/media/marvell,mmp2-ccic.yaml b/Documentation/devicetree/bindings/media/marvell,mmp2-ccic.yaml
> new file mode 100644
> index 0000000000000..890a3f9d0302f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/marvell,mmp2-ccic.yaml
> @@ -0,0 +1,102 @@
> +# SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
GPL-2.0-only please. Dual license only if you have rights on the old
file to do so.
> +# Copyright 2019,2020 Lubomir Rintel <lkundrak@...sk>
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/marvell,mmp2-ccic.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Marvell MMP2 camera host interface bindings
> +
> +maintainers:
> + - Lubomir Rintel <lkundrak@...sk>
> +
> +properties:
> + $nodename:
> + pattern: '^camera@[a-f0-9]+$'
> +
> + compatible:
> + const: marvell,mmp2-ccic
> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 1
> +
> + port:
> + type: object
> + additionalProperties: false
> +
> + properties:
> + endpoint:
Wrong indentaion.
> + type: object
> + additionalProperties: false
> +
> + # Properties described in
> + # Documentation/devicetree/bindings/media/video-interfaces.txt
> + properties:
> + remote-endpoint: true
> + hsync-active: true
> + vsync-active: true
> + pclk-sample: true
> + bus-type: true
> +
> + required:
> + - remote-endpoint
> +
> + required:
> + - endpoint
> +
> + clocks:
> + minItems: 1
> + maxItems: 3
Shouldn't really be variable for a single compatible.
> + items:
> + - description: AXI bus interface clock
> + - description: Peripheral clock
> + - description: Parallel video bus interface clock
> +
> + clock-names:
> + minItems: 1
> + maxItems: 3
> + items:
> + - const: axi
> + - const: func
> + - const: phy
> +
> + '#clock-cells':
> + const: 0
> +
> + clock-output-names:
> + const: mclk
> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> + - port
> +
> +examples:
> + - |
> + #include <dt-bindings/clock/marvell,mmp2.h>
> +
> + camera@...0a000 {
> + compatible = "marvell,mmp2-ccic";
> + reg = <0xd420a000 0x800>;
> + interrupts = <42>;
> + clocks = <&soc_clocks MMP2_CLK_CCIC0>;
> + clock-names = "axi";
> + #clock-cells = <0>;
> + clock-output-names = "mclk";
> +
> + port {
> + camera0_0: endpoint {
> + remote-endpoint = <&ov7670_0>;
> + bus-type = <5>; /* Parallel */
> + hsync-active = <1>; /* Active high */
> + vsync-active = <1>; /* Active high */
> + pclk-sample = <0>; /* Falling */
> + };
> + };
> + };
> +
> +...
> --
> 2.25.1
>
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