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Wed, 08 Oct 2025 01:18:01 -0700 (PDT) From: Bartosz Golaszewski Date: Wed, 08 Oct 2025 10:17:48 +0200 Subject: [PATCH v2 1/8] dt-bindings: net: qcom: document the ethqos device for SCMI-based systems Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251008-qcom-sa8255p-emac-v2-1-92bc29309fce@linaro.org> References: <20251008-qcom-sa8255p-emac-v2-0-92bc29309fce@linaro.org> In-Reply-To: <20251008-qcom-sa8255p-emac-v2-0-92bc29309fce@linaro.org> To: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Richard Cochran , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Alexandre Torgue , Vinod Koul , Giuseppe Cavallaro , Jose Abreu Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, Bartosz Golaszewski X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=4930; i=bartosz.golaszewski@linaro.org; h=from:subject:message-id; bh=jt98/fKCMiWsJRKIBoUPImv7pfYjdVSMRpukpIdLRi0=; b=owEBbQKS/ZANAwAKARGnLqAUcddyAcsmYgBo5h41r2ZAFmiwUn7PgIvcsf9/Ki1be/TmFs6ex u9nsqOD39GJAjMEAAEKAB0WIQQWnetsC8PEYBPSx58Rpy6gFHHXcgUCaOYeNQAKCRARpy6gFHHX cmLzEADDqXLdT+V7DmBbV2ZHe6RevBtvs/WskQguIekDpkpNMLSZUe9utgX4MAErix3Em600Fzb Tkj9Kqh+36Bc1FRGcZdRxZe73pOJpCGuCmG/KRJF5tLYIJyahyZC1508jX2v7hNmyGf6mo9E82N 6/NDjG6ER2cU5IYtRDXLCbZHCxLJ55/QETUEBaEDppvVeYw2fuHPkXI72YN/rEZXDH/H/53yqlE 2S1DabEok5qR3ZriVTUgPrb1A5F/Mwl/cSXsC0Z08RNG1kLKgKnOEkyJiGDQGXMI2KaBS0hKwCY cU9b7DMtbM0N9iWaFSPSjx0dTPcnmYvibwW7lvnhzDdeIEt3KHnD7PBgr2dOxUIJ1HGKarNYk01 /70LZu4CmKqAZCP7cmP1mOA3lQWM9bMoQRQfcHyRrCIwb9NapxwyzZhqFtFnljzzrfoIUkLVR/b buL4wdvPvzHXXcsESe+jKltN0EA5k9iEWoeyMoeh5G+6BulF9UXbnw0k0s+8nFI6SeaEHCTdswK fP+l7j4Y1xw8Eg8ytjO4p30MMZso6krN7sHCC3JpUbVn83uAbqc+l53bbiyaEe0q1D2ZT/FxloU qX0NuHdAFujSg0cBE4rrb8p4H9I8Jbb7r8FKuj0nL1/bRE1uZkC3ZDexsMgQ1McQhE+YUNpAjUA n39CRzJaFaAqWnw== X-Developer-Key: i=bartosz.golaszewski@linaro.org; a=openpgp; fpr=169DEB6C0BC3C46013D2C79F11A72EA01471D772 From: Bartosz Golaszewski Describe the firmware-managed variant of the QCom DesignWare MAC. As the properties here differ a lot from the HLOS-managed variant, lets put it in a separate file. Signed-off-by: Bartosz Golaszewski --- .../devicetree/bindings/net/qcom,ethqos-scmi.yaml | 101 +++++++++++++++++= ++++ .../devicetree/bindings/net/snps,dwmac.yaml | 5 +- MAINTAINERS | 1 + 3 files changed, 106 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/net/qcom,ethqos-scmi.yaml b/= Documentation/devicetree/bindings/net/qcom,ethqos-scmi.yaml new file mode 100644 index 0000000000000000000000000000000000000000..0a9cc789085e8bc94d44adc9da9= 82b66071d1e79 --- /dev/null +++ b/Documentation/devicetree/bindings/net/qcom,ethqos-scmi.yaml @@ -0,0 +1,101 @@ +# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/qcom,ethqos-scmi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Ethernet ETHQOS device (firmware managed) + +maintainers: + - Bjorn Andersson + - Konrad Dybcio + - Bartosz Golaszewski + +description: + dwmmac based Qualcomm ethernet devices which support Gigabit + ethernet (version v2.3.0 and onwards) with clocks, interconnects, etc. + managed by firmware + +allOf: + - $ref: snps,dwmac.yaml# + +properties: + compatible: + const: qcom,sa8255p-ethqos + + reg: + maxItems: 2 + + reg-names: + items: + - const: stmmaceth + - const: rgmii + + interrupts: + items: + - description: Combined signal for various interrupt events + - description: The interrupt that occurs when HW safety error trigge= red + + interrupt-names: + items: + - const: macirq + - const: sfty + + power-domains: + minItems: 3 + + power-domain-names: + items: + - const: power_core + - const: power_mdio + - const: perf_serdes + + iommus: + maxItems: 1 + + dma-coherent: true + + phys: true + + phy-names: + const: serdes + +required: + - compatible + - reg-names + - power-domains + +unevaluatedProperties: false + +examples: + - | + #include + + ethernet: ethernet@7a80000 { + compatible =3D "qcom,sa8255p-ethqos"; + reg =3D <0x23040000 0x10000>, + <0x23056000 0x100>; + reg-names =3D "stmmaceth", "rgmii"; + + iommus =3D <&apps_smmu 0x120 0x7>; + + interrupts =3D , + ; + interrupt-names =3D "macirq", "sfty"; + + dma-coherent; + + snps,tso; + snps,pbl =3D <32>; + rx-fifo-depth =3D <16384>; + tx-fifo-depth =3D <16384>; + + phy-handle =3D <ðernet_phy>; + phy-mode =3D "2500base-x"; + + snps,mtl-rx-config =3D <&mtl_rx_setup1>; + snps,mtl-tx-config =3D <&mtl_tx_setup1>; + + power-domains =3D <&scmi8_pd 0>, <&scmi8_pd 1>, <&scmi8_dvfs 0>; + power-domain-names =3D "power_core", "power_mdio","perf_serdes"; + }; diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Docume= ntation/devicetree/bindings/net/snps,dwmac.yaml index 658c004e6a5c836bcc1dca109a251e27af6e23ca..5ef5c28d0337050268e76cdd787= b4cd6de7fb0e2 100644 --- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml +++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml @@ -71,6 +71,7 @@ properties: - loongson,ls7a-dwmac - nxp,s32g2-dwmac - qcom,qcs404-ethqos + - qcom,sa8255p-ethqos - qcom,sa8775p-ethqos - qcom,sc8280xp-ethqos - qcom,sm8150-ethqos @@ -176,7 +177,8 @@ properties: - const: ahb =20 power-domains: - maxItems: 1 + minItems: 1 + maxItems: 3 =20 mac-mode: $ref: ethernet-controller.yaml#/properties/phy-connection-type @@ -639,6 +641,7 @@ allOf: - ingenic,x1830-mac - ingenic,x2000-mac - qcom,qcs404-ethqos + - qcom,sa8255p-ethqos - qcom,sa8775p-ethqos - qcom,sc8280xp-ethqos - qcom,sm8150-ethqos diff --git a/MAINTAINERS b/MAINTAINERS index 3773c74b31d6d9d4c2f9ba53c4b3ecf3e4e2dd79..cb097a1369d08e708152a3a41b6= 10b35273cebea 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -21096,6 +21096,7 @@ M: Vinod Koul L: netdev@vger.kernel.org L: linux-arm-msm@vger.kernel.org S: Maintained +F: Documentation/devicetree/bindings/net/qcom,ethqos-scmi.yaml F: Documentation/devicetree/bindings/net/qcom,ethqos.yaml F: drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c =20 --=20 2.48.1