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From: Maxime Ripard <maxime@cerno.tech>
To: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Cc: linux-media@vger.kernel.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org,
	linux-phy@lists.infradead.org, linux-clk@vger.kernel.org,
	linux-staging@lists.linux.dev, Yong Deng <yong.deng@magewell.com>,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	Rob Herring <robh+dt@kernel.org>,
	Sakari Ailus <sakari.ailus@linux.intel.com>,
	Hans Verkuil <hans.verkuil@cisco.com>,
	Chen-Yu Tsai <wens@csie.org>,
	Jernej Skrabec <jernej.skrabec@gmail.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Helen Koike <helen.koike@collabora.com>,
	Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Subject: Re: [PATCH 03/22] dt-bindings: sun6i-a31-mipi-dphy: Add optional direction property
Date: Mon, 13 Sep 2021 10:00:08 +0200	[thread overview]
Message-ID: <20210913080008.2rxa22ifisuu3dwn@gilmour> (raw)
In-Reply-To: <20210910184147.336618-4-paul.kocialkowski@bootlin.com>

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On Fri, Sep 10, 2021 at 08:41:28PM +0200, Paul Kocialkowski wrote:
> The Allwinner A31 MIPI D-PHY block supports both tx and rx directions,
> although each instance of the block is meant to be used in one
> direction only. There will typically be one instance for MIPI DSI and
> one for MIPI CSI-2 (it seems unlikely to ever see a shared instance).
> 
> Describe the direction with a new allwinner,direction property.
> For backwards compatibility, the property is optional and tx mode
> should be assumed by default.
> 
> Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
> ---
>  .../bindings/phy/allwinner,sun6i-a31-mipi-dphy.yaml  | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/phy/allwinner,sun6i-a31-mipi-dphy.yaml b/Documentation/devicetree/bindings/phy/allwinner,sun6i-a31-mipi-dphy.yaml
> index d0b541a461f3..303bbaf3b915 100644
> --- a/Documentation/devicetree/bindings/phy/allwinner,sun6i-a31-mipi-dphy.yaml
> +++ b/Documentation/devicetree/bindings/phy/allwinner,sun6i-a31-mipi-dphy.yaml
> @@ -37,6 +37,18 @@ properties:
>    resets:
>      maxItems: 1
>  
> +  allwinner,direction:
> +    $ref: '/schemas/types.yaml#/definitions/string'
> +    description: |
> +      Direction of the D-PHY:
> +      - "rx" for receiving (e.g. when used with MIPI CSI-2);
> +      - "tx" for transmitting (e.g. when used with MIPI DSI).
> +
> +      When the property is missing, "tx" direction is assumed.

You can provide this using default

> +    oneOf:
> +      - const: tx
> +      - const: rx
> +

enum?

Maxime

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  reply	other threads:[~2021-09-13  8:00 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-10 18:41 [PATCH 00/22] Allwinner A31/A83T MIPI CSI-2 Support and A31 ISP Support Paul Kocialkowski
2021-09-10 18:41 ` [PATCH 01/22] clk: sunxi-ng: v3s: Make the ISP PLL clock public Paul Kocialkowski
2021-09-13  7:54   ` Maxime Ripard
2021-09-13  8:53     ` Paul Kocialkowski
2021-09-16 16:30       ` Maxime Ripard
2021-09-10 18:41 ` [PATCH 02/22] ARM: dts: sun8i: v3s: Parent the CSI module clock to the ISP PLL Paul Kocialkowski
2021-09-10 18:41 ` [PATCH 03/22] dt-bindings: sun6i-a31-mipi-dphy: Add optional direction property Paul Kocialkowski
2021-09-13  8:00   ` Maxime Ripard [this message]
2021-09-14  7:39     ` Paul Kocialkowski
2021-09-10 18:41 ` [PATCH 04/22] phy: allwinner: phy-sun6i-mipi-dphy: Support D-PHY Rx mode for MIPI CSI-2 Paul Kocialkowski
2021-09-10 18:41 ` [PATCH 05/22] dt-bindings: media: sun6i-a31-csi: Add MIPI CSI-2 input port Paul Kocialkowski
2021-09-13  8:09   ` Maxime Ripard
2021-09-14  7:43     ` Paul Kocialkowski
2021-09-14 12:06       ` Maxime Ripard
2021-09-10 18:41 ` [PATCH 06/22] dt-bindings: media: Add Allwinner A31 MIPI CSI-2 bindings documentation Paul Kocialkowski
2021-09-10 18:41 ` [PATCH 07/22] media: sunxi: Add support for the A31 MIPI CSI-2 controller Paul Kocialkowski
2021-09-10 18:41 ` [PATCH 08/22] MAINTAINERS: Add entry for the Allwinner A31 MIPI CSI-2 bridge driver Paul Kocialkowski
2021-09-10 18:41 ` [PATCH 09/22] ARM: dts: sun8i: v3s: Add nodes for MIPI CSI-2 support Paul Kocialkowski
2021-09-11  2:32   ` Samuel Holland
2021-09-13  7:44     ` Paul Kocialkowski
2021-09-10 18:41 ` [PATCH 10/22] dt-bindings: media: Add Allwinner A83T MIPI CSI-2 bindings documentation Paul Kocialkowski
2021-09-10 18:41 ` [PATCH 11/22] media: sunxi: Add support for the A83T MIPI CSI-2 controller Paul Kocialkowski
2021-09-10 18:41 ` [PATCH 12/22] MAINTAINERS: Add entry for the Allwinner A83T MIPI CSI-2 bridge Paul Kocialkowski
2021-09-10 18:41 ` [PATCH NOT FOR MERGE 13/22] ARM: dts: sun8i: a83t: Add MIPI CSI-2 controller node Paul Kocialkowski
2021-09-11  2:53   ` Chen-Yu Tsai
2021-09-13  7:45     ` Paul Kocialkowski
2021-09-10 18:41 ` [PATCH 14/22] ARM: dts: sun8i: a83t: bananapi-m3: Enable MIPI CSI-2 with OV8865 Paul Kocialkowski
2021-09-10 18:41 ` [PATCH 15/22] media: sunxi: Remove the sun6i-csi driver implementation Paul Kocialkowski
2021-09-13  8:17   ` Maxime Ripard
2021-09-14  8:04     ` Paul Kocialkowski
2021-09-15 19:51       ` Sakari Ailus
2021-09-10 18:41 ` [PATCH 16/22] media: sunxi: Introduce a rewritten sun6i-csi driver Paul Kocialkowski
2021-09-10 18:41 ` [PATCH 17/22] dt-bindings: media: Add Allwinner A31 ISP bindings documentation Paul Kocialkowski
2021-09-13  8:18   ` Maxime Ripard
2021-09-14  7:44     ` Paul Kocialkowski
2021-09-14 12:07       ` Maxime Ripard
2021-09-10 18:41 ` [PATCH 18/22] dt-bindings: media: sun6i-a31-csi: Add ISP output port Paul Kocialkowski
2021-09-10 18:41 ` [PATCH 19/22] soc: sunxi: mbus: Add A31 ISP compatibles to the list Paul Kocialkowski
2021-09-11  2:36   ` Samuel Holland
2021-09-13  7:45     ` Paul Kocialkowski
2021-09-13  8:32       ` Maxime Ripard
2021-09-10 18:41 ` [PATCH 20/22] staging: media: Add support for the Allwinner A31 ISP Paul Kocialkowski
2021-09-13  8:31   ` Maxime Ripard
2021-09-14  7:50     ` Paul Kocialkowski
2021-09-14 11:11       ` Laurent Pinchart
2021-09-14 11:48         ` Maxime Ripard
2021-09-10 18:41 ` [PATCH 21/22] MAINTAINERS: Add entry for the Allwinner A31 ISP driver Paul Kocialkowski
2021-09-10 18:41 ` [PATCH 22/22] ARM: dts: sun8i: v3s: Add support for the ISP Paul Kocialkowski

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