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Received: by smtp.zohomail.com with SMTPS id 1794392952987100.75485625514011; Wed, 11 Nov 2026 02:29:12 -0800 (PST) Message-ID: <9b5f5fc4-5fa8-411c-98fd-8655f208e00e@collabora.com> Date: Wed, 11 Nov 2026 11:29:07 +0100 X-Archived-By: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6 1/9] dt-bindings: phy: Add PHY_DIRECTION_TX/RX definitions To: Jason Yang , Vinod Koul , Neil Armstrong , Manivannan Sadhasivam , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner , Guochun Huang , Philipp Zabel Cc: Sebastian Reichel , Bryan O'Donoghue , 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, Krzysztof Kozlowski References: <20261110-dcphy-rx-v1-v6-0-d681ba20b36a@gmail.com> <20261110-dcphy-rx-v1-v6-1-d681ba20b36a@gmail.com> Content-Language: en-US From: Michael Riesch In-Reply-To: <20261110-dcphy-rx-v1-v6-1-d681ba20b36a@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-ZohoMailClient: External X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261111_022924_327549_9BF2F376 X-CRM114-Status: GOOD ( 15.63 ) X-Spam-Score: -2.1 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" X-Spam-Status: No, score=-15.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 Hi Jason, Thanks for the patch. On 11/10/26 09:18, Jason Yang wrote: > A MIPI D-PHY or C-PHY can be a transmitter or a receiver. Some PHY > blocks have one of each and can use them at the same time, so one PHY > node offers two PHYs. The existing cell, PHY_TYPE_DPHY or > PHY_TYPE_CPHY, selects the mode of the whole block, not one of the two > PHYs. > > Add PHY_DIRECTION_TX and PHY_DIRECTION_RX for a cell that selects the > transmitter or the receiver. The first user is the Rockchip RK3588 MIPI > DC-PHY, where the transmitter serves a DSI host and the receiver a CSI-2 > host. > > Suggested-by: Michael Riesch > Link: https://lore.kernel.org/r/7425ac83-f6d8-4443-a26e-a47f9306aa24@collabora.com > Signed-off-by: Jason Yang > Reviewed-by: Bryan O'Donoghue > Reviewed-by: Krzysztof Kozlowski Reviewed-by: Michael Riesch Best regards, Michael > --- > include/dt-bindings/phy/phy.h | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/include/dt-bindings/phy/phy.h b/include/dt-bindings/phy/phy.h > index 979b5dfd8353..9ead74d9a172 100644 > --- a/include/dt-bindings/phy/phy.h > +++ b/include/dt-bindings/phy/phy.h > @@ -29,4 +29,7 @@ > #define PHY_POL_INVERT 1 > #define PHY_POL_AUTO 2 > > +#define PHY_DIRECTION_TX 0 > +#define PHY_DIRECTION_RX 1 > + > #endif /* _DT_BINDINGS_PHY */ >