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Date: Thu, 6 Aug 2026 21:26:53 +0530
From: Vinod Koul <vkoul@kernel.org>
To: Michael Riesch <michael.riesch@collabora.com>
Cc: jason98166@gmail.com, Neil Armstrong <neil.armstrong@linaro.org>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Heiko Stuebner <heiko@sntech.de>,
	Guochun Huang <hero.huang@rock-chips.com>,
	Philipp Zabel <p.zabel@pengutronix.de>,
	linux-phy@lists.infradead.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 1/4] dt-bindings: phy: rockchip,rk3588-mipi-dcphy:
 support per-direction phys
Message-ID: <anSuxfeitSqmSHNr@vaman>
References: <20260726-dcphy-rx-v1-v2-0-cf9cc34a412a@gmail.com>
 <20260726-dcphy-rx-v1-v2-1-cf9cc34a412a@gmail.com>
 <82da3622-9c3a-454c-87bc-fb4ec7adb68d@collabora.com>
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In-Reply-To: <82da3622-9c3a-454c-87bc-fb4ec7adb68d@collabora.com>

On 03-08-26, 13:17, Michael Riesch wrote:

> > +      Two cells select the PHY type and the direction, so that the
> > +      transmitter (DSI) and the receiver (CSI) can be described as
> > +      independent consumers of the same PHY:
> > +        - <PHY_TYPE_DPHY RK_DCPHY_DIR_TX>
> > +        - <PHY_TYPE_DPHY RK_DCPHY_DIR_RX>
> 
> How is that Rockchip specific? As you state above this is either MIPI
> CSI or MIPI DSI, two perfectly standard protocols.
> 
> @all Would it be reasonable to introduce PHY_TYPE_CSI and PHY_TYPE_DSI?

I think yes...

-- 
~Vinod