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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiner Kallweit , Russell King , Simon Horman , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH net-next v10 2/5] net: phy: introduce PHY_INTERFACE_MODE_REVSGMII Date: Fri, 19 Sep 2025 17:42:27 +0800 Message-ID: <20250919094234.1491638-3-mmyangfl@gmail.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20250919094234.1491638-1-mmyangfl@gmail.com> References: <20250919094234.1491638-1-mmyangfl@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The "reverse SGMII" protocol name is a personal invention, derived from "reverse MII" and "reverse RMII", this means: "behave like an SGMII PHY". Signed-off-by: David Yang --- include/linux/phy.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/linux/phy.h b/include/linux/phy.h index 7da9e19471c9..42d5c1f4d8ad 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -107,6 +107,7 @@ extern const int phy_basic_ports_array[3]; * @PHY_INTERFACE_MODE_LAUI: 50 Gigabit Attachment Unit Interface * @PHY_INTERFACE_MODE_100GBASEP: 100GBase-P - with Clause 134 FEC * @PHY_INTERFACE_MODE_MIILITE: MII-Lite - MII without RXER TXER CRS COL + * @PHY_INTERFACE_MODE_REVSGMII: Serial gigabit media-independent interface in PHY role * @PHY_INTERFACE_MODE_MAX: Book keeping * * Describes the interface between the MAC and PHY. @@ -152,6 +153,7 @@ typedef enum { PHY_INTERFACE_MODE_LAUI, PHY_INTERFACE_MODE_100GBASEP, PHY_INTERFACE_MODE_MIILITE, + PHY_INTERFACE_MODE_REVSGMII, PHY_INTERFACE_MODE_MAX, } phy_interface_t; @@ -281,6 +283,8 @@ static inline const char *phy_modes(phy_interface_t interface) return "100gbase-p"; case PHY_INTERFACE_MODE_MIILITE: return "mii-lite"; + case PHY_INTERFACE_MODE_REVSGMII: + return "rev-sgmii"; default: return "unknown"; } -- 2.51.0