linux-kernel - Re: [PATCH v10 1/2] dt-bindings: drm/bridge: anx7625: MIPI to DP transmitter binding

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Message-ID: <20200515024552.GA11753@xin-VirtualBox>
Date:   Fri, 15 May 2020 10:45:52 +0800
From:   Xin Ji <xji@...logixsemi.com>
To:     Rob Herring <robh@...nel.org>
Cc:     devel@...verdev.osuosl.org,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        Andrzej Hajda <a.hajda@...sung.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org,
        Pi-Hsun Shih <pihsun@...omium.org>,
        Sheng Pan <span@...logixsemi.com>
Subject: Re: [PATCH v10 1/2] dt-bindings: drm/bridge: anx7625: MIPI to DP
 transmitter binding

Hi Rob Herring,

Thanks for your comments.

On Thu, May 14, 2020 at 09:54:32AM -0500, Rob Herring wrote:
> On Wed, May 06, 2020 at 03:04:20PM +0800, Xin Ji wrote:
> > The ANX7625 is an ultra-low power 4K Mobile HD Transmitter designed
> > for portable device. It converts MIPI to DisplayPort 1.3 4K.
> > 
> > You can add support to your board with binding.
> 
> We have an example in the binding, no reason to also put in the commit 
> msg.
OK
> 
> > 
> > Example:
> > 	anx7625_bridge: encoder@58 {
> > 		compatible = "analogix,anx7625";
> > 		reg = <0x58>;
> > 		status = "okay";
> > 		enable-gpios = <&pio 45 GPIO_ACTIVE_HIGH>;
> > 		reset-gpios = <&pio 73 GPIO_ACTIVE_HIGH>;
> > 
> > 		ports {
> > 			#address-cells = <1>;
> > 			#size-cells = <0>;
> > 
> > 			mipi2dp_bridge_in: port@0 {
> > 				reg = <0>;
> > 				anx7625_in: endpoint {
> > 					remote-endpoint = <&mipi_dsi>;
> > 				};
> > 			};
> > 
> > 			mipi2dp_bridge_out: port@1 {
> > 				reg = <1>;
> > 				anx7625_out: endpoint {
> > 					remote-endpoint = <&panel_in>;
> > 				};
> > 			};
> > 		};
> > 	};
> > 
> > Signed-off-by: Xin Ji <xji@...logixsemi.com>
> > ---
> >  .../bindings/display/bridge/analogix,anx7625.yaml  | 98 ++++++++++++++++++++++
> >  1 file changed, 98 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml
> > 
> > diff --git a/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml b/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml
> > new file mode 100644
> > index 0000000..6e54176
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml
> > @@ -0,0 +1,98 @@
> > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> > +# Copyright 2019 Analogix Semiconductor, Inc.
> > +%YAML 1.2
> > +---
> > +$id: "http://devicetree.org/schemas/display/bridge/analogix,anx7625.yaml#"
> > +$schema: "http://devicetree.org/meta-schemas/core.yaml#"
> > +
> > +title: Analogix ANX7625 SlimPort (4K Mobile HD Transmitter)
> > +
> > +maintainers:
> > +  - Xin Ji <xji@...logixsemi.com>
> > +
> > +description: |
> > +  The ANX7625 is an ultra-low power 4K Mobile HD Transmitter
> > +  designed for portable devices.
> > +
> > +properties:
> > +  "#address-cells": true
> > +  "#size-cells": true
> 
> These don't belong here.
OK
> 
> > +
> > +  compatible:
> > +    items:
> > +      - const: analogix,anx7625
> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +  interrupts:
> > +    description: used for interrupt pin B8.
> > +    maxItems: 1
> > +
> > +  enable-gpios:
> > +    description: used for power on chip control, POWER_EN pin D2.
> > +    maxItems: 1
> > +
> > +  reset-gpios:
> > +    description: used for reset chip control, RESET_N pin B7.
> > +    maxItems: 1
> > +
> > +  ports:
> > +    type: object
> > +
> > +    properties:
> > +      port@0:
> > +        type: object
> > +        description:
> > +          Video port for MIPI DSI input.
> > +
> > +      port@1:
> > +        type: object
> > +        description:
> > +          Video port for panel or connector.
> > +
> > +    required:
> > +        - port@0
> > +        - port@1
> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +  - ports
> > +
> > +additionalProperties: false
> > +
> > +examples:
> > +  - |
> > +    #include <dt-bindings/gpio/gpio.h>
> > +
> > +    i2c0 {
> > +        #address-cells = <1>;
> > +        #size-cells = <0>;
> > +
> > +        anx7625_bridge: encoder@58 {
> 
> Drop any unused labels.
OK
> 
> > +            compatible = "analogix,anx7625";
> > +            reg = <0x58>;
> > +            enable-gpios = <&pio 45 GPIO_ACTIVE_HIGH>;
> > +            reset-gpios = <&pio 73 GPIO_ACTIVE_HIGH>;
> > +
> > +            ports {
> > +                #address-cells = <1>;
> > +                #size-cells = <0>;
> > +
> > +                mipi2dp_bridge_in: port@0 {
> > +                    reg = <0>;
> > +                    anx7625_in: endpoint {
> > +                        remote-endpoint = <&mipi_dsi>;
> > +                    };
> > +                };
> > +
> > +                mipi2dp_bridge_out: port@1 {
> > +                    reg = <1>;
> > +                    anx7625_out: endpoint {
> > +                        remote-endpoint = <&panel_in>;
> > +                    };
> > +                };
> > +            };
> > +        };
> > +    };
> > -- 
> > 2.7.4
> >