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Date: Wed, 2 Mar 2022 23:07:31 +0100 From: Paul Kocialkowski <paul.kocialkowski@...tlin.com> To: linux-media@...r.kernel.org, devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev, linux-kernel@...r.kernel.org, linux-phy@...ts.infradead.org Cc: Yong Deng <yong.deng@...ewell.com>, Mauro Carvalho Chehab <mchehab@...nel.org>, Rob Herring <robh+dt@...nel.org>, Chen-Yu Tsai <wens@...e.org>, Jernej Skrabec <jernej.skrabec@...il.com>, Samuel Holland <samuel@...lland.org>, Sakari Ailus <sakari.ailus@...ux.intel.com>, Hans Verkuil <hans.verkuil@...co.com>, Laurent Pinchart <laurent.pinchart@...asonboard.com>, Paul Kocialkowski <paul.kocialkowski@...tlin.com>, Kishon Vijay Abraham I <kishon@...com>, Vinod Koul <vkoul@...nel.org>, Maxime Ripard <mripard@...nel.org>, Thomas Petazzoni <thomas.petazzoni@...tlin.com> Subject: [PATCH v3 1/9] dt-bindings: sun6i-a31-mipi-dphy: Add optional direction property 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@...tlin.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..22636c9fdab8 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). + + enum: + - tx + - rx + default: tx + required: - "#phy-cells" - compatible -- 2.35.1
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