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[211.23.39.77]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-1b3b5b2fc14sm5236759c88.12.2026.11.10.00.18.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Nov 2026 00:18:20 -0800 (PST) From: Jason Yang Date: Tue, 10 Nov 2026 16:18:04 +0800 Subject: [PATCH v6 1/9] dt-bindings: phy: Add PHY_DIRECTION_TX/RX definitions X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20261110-dcphy-rx-v1-v6-1-d681ba20b36a@gmail.com> References: <20261110-dcphy-rx-v1-v6-0-d681ba20b36a@gmail.com> In-Reply-To: <20261110-dcphy-rx-v1-v6-0-d681ba20b36a@gmail.com> To: Vinod Koul , Neil Armstrong , Manivannan Sadhasivam , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner , Guochun Huang , Philipp Zabel Cc: Michael Riesch , 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, Jason Yang , Krzysztof Kozlowski X-Mailer: b4 0.16.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1794298691; l=1290; i=jason98166@gmail.com; s=20260721; h=from:subject:message-id; bh=boFp+ROAJs+hn528tIchPlOUGZl+pUW4spq3YalZAuQ=; b=2Om6akpYt4IeVtY/W3aZ9CiVBUWzCN2RjS/mjsi+pChJrq9agUeJiKjz+mS39Et2p8MKNQOFe a8COwdPb0ThCDXpwhBehkJTJFZtzG3JqdNkYva+Xa8x2FSzw82cXcnb X-Developer-Key: i=jason98166@gmail.com; a=ed25519; pk=xQmD001Q/ooHl39PxyQtusbUQmgbOsSfpFryRVWZ/k4= 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 --- 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 */ -- 2.43.0