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Thu, 06 Aug 2026 09:14:06 -0700 (PDT) Received: from [192.168.0.101] ([109.76.115.165]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4995421b198sm84909005e9.7.2026.08.06.09.14.05 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 06 Aug 2026 09:14:06 -0700 (PDT) Message-ID: Date: Thu, 6 Aug 2026 17:14:04 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 1/4] dt-bindings: phy: rockchip,rk3588-mipi-dcphy: support per-direction phys To: jason98166@gmail.com, Vinod Koul , Neil Armstrong , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner , Guochun Huang , Philipp Zabel Cc: 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 References: <20260726-dcphy-rx-v1-v2-0-cf9cc34a412a@gmail.com> <579EMzIB4QpX971YyewFrke7qDRTnb7VISWtBI86oM2PJpls9AOXn5nKFyv8PA9EiZWOiczXm9LbDAO8XTkrig==@protonmail.internalid> <20260726-dcphy-rx-v1-v2-1-cf9cc34a412a@gmail.com> From: Bryan O'Donoghue Content-Language: en-GB In-Reply-To: <20260726-dcphy-rx-v1-v2-1-cf9cc34a412a@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260806_091409_035716_80F933E4 X-CRM114-Status: GOOD ( 11.95 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org On 26/07/2026 15:55, Jason Yang via B4 Relay wrote: > From: Jason Yang > > The Samsung MIPI D-/C-PHY block on RK3588 drives a MIPI DSI transmitter > and, on the same PHY, can receive a MIPI CSI camera. Describing both as > independent consumers of one PHY requires the direction to be expressed > in the devicetree. > > Allow "#phy-cells" to be 1 or 2. The existing single-cell form still > selects the PHY type and refers to the transmitter, so shipped DSI > device trees stay valid; bumping the cell count unconditionally would > invalidate them. A second cell adds the direction, letting a DSI (TX) > and a CSI (RX) reference the same PHY node as separate consumers. > > Add include/dt-bindings/phy/rockchip,rk3588-mipi-dcphy.h for the > RK_DCPHY_DIR_TX and RK_DCPHY_DIR_RX direction constants. > > Signed-off-by: Jason Yang > Assisted-by: Claude:claude-opus-4-8 LGTM Reviewed-by: Bryan O'Donoghue _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip