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From:   Heiko Stuebner <heiko@sntech.de>
To:     dri-devel@lists.freedesktop.org
Cc:     devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org,
        hjc@rock-chips.com, heiko@sntech.de, robh+dt@kernel.org,
        sebastian.fricke@posteo.net, linux-media@vger.kernel.org,
        dafna.hirschfeld@collabora.com, helen.koike@collabora.com,
        ezequiel@collabora.com, cmuellner@linux.com,
        Heiko Stuebner <heiko.stuebner@theobroma-systems.com>,
        Rob Herring <robh@kernel.org>
Subject: [PATCH v2 2/6] dt-bindings: display: rockchip-dsi: add optional #phy-cells property
Date:   Wed, 10 Feb 2021 12:10:16 +0100
Message-Id: <20210210111020.2476369-3-heiko@sntech.de>
In-Reply-To: <20210210111020.2476369-1-heiko@sntech.de>
References: <20210210111020.2476369-1-heiko@sntech.de>
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From: Heiko Stuebner <heiko.stuebner@theobroma-systems.com>

The Rockchip DSI controller on some SoCs also controls a bidrectional
dphy, which would be connected to an Image Signal Processor as a phy
in the rx configuration.

So allow a #phy-cells property for the dsi controller.

Signed-off-by: Heiko Stuebner <heiko.stuebner@theobroma-systems.com>
Acked-by: Rob Herring <robh@kernel.org>
Tested-by: Sebastian Fricke <sebastian.fricke@posteo.net>
---
 .../bindings/display/rockchip/dw_mipi_dsi_rockchip.txt           | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/display/rockchip/dw_mipi_dsi_rockchip.txt b/Documentation/devicetree/bindings/display/rockchip/dw_mipi_dsi_rockchip.txt
index 151be3bba06f..39792f051d2d 100644
--- a/Documentation/devicetree/bindings/display/rockchip/dw_mipi_dsi_rockchip.txt
+++ b/Documentation/devicetree/bindings/display/rockchip/dw_mipi_dsi_rockchip.txt
@@ -23,6 +23,7 @@ Required properties:
 Optional properties:
 - phys: from general PHY binding: the phandle for the PHY device.
 - phy-names: Should be "dphy" if phys references an external phy.
+- #phy-cells: Defined when used as ISP phy, should be 0.
 - power-domains: a phandle to mipi dsi power domain node.
 - resets: list of phandle + reset specifier pairs, as described in [3].
 - reset-names: string reset name, must be "apb".
-- 
2.29.2