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Wed, 23 Sep 2026 08:15:04 -0700 (PDT) X-Received: by 2002:a05:6122:21a5:b0:5c9:a617:5814 with SMTP id 71dfb90a1353d-5c9f1676503mr3187414e0c.17.1790176503766; Wed, 23 Sep 2026 08:15:03 -0700 (PDT) Received: from brgl-qcom.local ([2a01:cb1d:dc:7e00:34c6:dbd6:5b58:a3fe]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-49fe0c4054fsm55126325e9.3.2026.09.23.08.15.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Sep 2026 08:15:02 -0700 (PDT) From: Bartosz Golaszewski Date: Wed, 23 Sep 2026 17:14:36 +0200 Subject: [PATCH net-next v15 2/9] dt-bindings: phy: document the serdes PHY on sa8255p MIME-Version: 1.0 Message-Id: <20260923-qcom-sa8255p-emac-v15-2-e82f33720737@oss.qualcomm.com> References: <20260923-qcom-sa8255p-emac-v15-0-e82f33720737@oss.qualcomm.com> In-Reply-To: <20260923-qcom-sa8255p-emac-v15-0-e82f33720737@oss.qualcomm.com> To: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Andrew Lunn , "David S. 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This is essentially the same hardware as sa8775p rev3 but the PHY is managed by firmware over SCMI. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Bartosz Golaszewski --- .../bindings/phy/qcom,sa8255p-dwmac-sgmii-phy.yaml | 50 ++++++++++++++++++++++ 1 file changed, 50 insertions(+) diff --git a/Documentation/devicetree/bindings/phy/qcom,sa8255p-dwmac-sgmii-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,sa8255p-dwmac-sgmii-phy.yaml new file mode 100644 index 0000000000000000000000000000000000000000..9e846e381555514bb32177f884abf0cf2c942948 --- /dev/null +++ b/Documentation/devicetree/bindings/phy/qcom,sa8255p-dwmac-sgmii-phy.yaml @@ -0,0 +1,50 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/phy/qcom,sa8255p-dwmac-sgmii-phy.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm SerDes/SGMII ethernet PHY controller (firmware managed) + +maintainers: + - Bartosz Golaszewski + +description: + The SerDes PHY sits between the MAC and the external PHY and provides + separate Rx Tx lines. + +properties: + compatible: + const: qcom,sa8255p-dwmac-sgmii-phy + + reg: + items: + - description: serdes + + power-domains: + maxItems: 1 + + power-domain-names: + maxItems: 1 + + "#phy-cells": + const: 0 + +required: + - compatible + - reg + - "#phy-cells" + - power-domains + - power-domain-names + +additionalProperties: false + +examples: + - | + phy@8901000 { + compatible = "qcom,sa8255p-dwmac-sgmii-phy"; + reg = <0x08901000 0xe10>; + #phy-cells = <0>; + power-domains = <&scmi7_dvfs 0>; + power-domain-names = "serdes"; + }; -- 2.47.3 _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic