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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Maxime Coquelin , Alexandre Torgue , Richard Cochran , Jose Abreu , Liam Girdwood , Mark Brown , Christophe Roullier CC: , , , , Subject: [PATCH v2 2/2] dt-bindings: net: add new property st,ext-phyclk in documentation for stm32 Date: Thu, 7 Mar 2024 14:59:57 +0100 Message-ID: <20240307135957.303481-3-christophe.roullier@foss.st.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240307135957.303481-1-christophe.roullier@foss.st.com> References: <20240307135957.303481-1-christophe.roullier@foss.st.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: SHFCAS1NODE1.st.com (10.75.129.72) To SHFDAG1NODE2.st.com (10.75.129.70) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-03-07_08,2024-03-06_01,2023-05-22_02 Add property st,ext-phyclk to manage cases when PHY have no cristal/quartz This property can be used with RMII phy without cristal 50Mhz and when we want to select RCC clock instead of ETH_REF_CLK Can be used also with RGMII phy with no cristal and we select RCC clock instead of ETH_CLK125 Signed-off-by: Christophe Roullier --- Documentation/devicetree/bindings/net/stm32-dwmac.yaml | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/devicetree/bindings/net/stm32-dwmac.yaml b/Documentation/devicetree/bindings/net/stm32-dwmac.yaml index 80937b28fa046..529665d4fc911 100644 --- a/Documentation/devicetree/bindings/net/stm32-dwmac.yaml +++ b/Documentation/devicetree/bindings/net/stm32-dwmac.yaml @@ -85,6 +85,13 @@ properties: phy-supply: description: PHY regulator + st,ext-phyclk: + description: + set this property in RMII mode when you have PHY without crystal 50MHz and want to + select RCC clock instead of ETH_REF_CLK. OR in RGMII mode when you want to select + RCC clock instead of ETH_CLK125. + type: boolean + st,eth-clk-sel: description: set this property in RGMII PHY when you want to select RCC clock instead of ETH_CLK125. -- 2.25.1