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[75.72.117.212]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-8b539aa7293sm26615406d6.22.2026.05.01.08.54.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 May 2026 08:54:53 -0700 (PDT) From: Alex Elder To: andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, maxime.chevallier@bootlin.com, rmk+kernel@armlinux.org.uk, andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, linusw@kernel.org, brgl@kernel.org, arnd@arndb.de, gregkh@linuxfoundation.org Cc: Daniel Thompson , elder@riscstar.com, mohd.anwar@oss.qualcomm.com, a0987203069@gmail.com, alexandre.torgue@foss.st.com, ast@kernel.org, boon.khai.ng@altera.com, chenchuangyu@xiaomi.com, chenhuacai@kernel.org, daniel@iogearbox.net, hawk@kernel.org, hkallweit1@gmail.com, inochiama@gmail.com, john.fastabend@gmail.com, julianbraha@gmail.com, livelycarpet87@gmail.com, matthew.gerlach@altera.com, mcoquelin.stm32@gmail.com, me@ziyao.cc, prabhakar.mahadev-lad.rj@bp.renesas.com, richardcochran@gmail.com, rohan.g.thomas@altera.com, sdf@fomichev.me, siyanteng@cqsoftware.com.cn, weishangjuan@eswincomputing.com, wens@kernel.org, netdev@vger.kernel.org, bpf@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-gpio@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH net-next 08/12] dt-bindings: net: toshiba,tc965x-dwmac: add TC956x Ethernet bridge Date: Fri, 1 May 2026 10:54:16 -0500 Message-ID: <20260501155421.3329862-9-elder@riscstar.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260501155421.3329862-1-elder@riscstar.com> References: <20260501155421.3329862-1-elder@riscstar.com> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Daniel Thompson Add devicetree bindings for the Toshiba TC956x family of Ethernet-AVB/TSN bridges. Signed-off-by: Daniel Thompson Signed-off-by: Alex Elder --- .../bindings/net/toshiba,tc956x-dwmac.yaml | 111 ++++++++++++++++++ 1 file changed, 111 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/toshiba,tc956x-dwmac.yaml diff --git a/Documentation/devicetree/bindings/net/toshiba,tc956x-dwmac.yaml b/Documentation/devicetree/bindings/net/toshiba,tc956x-dwmac.yaml new file mode 100644 index 0000000000000..d95d22a3761da --- /dev/null +++ b/Documentation/devicetree/bindings/net/toshiba,tc956x-dwmac.yaml @@ -0,0 +1,111 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/toshiba,tc956x-dwmac.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Toshiba TC956x Ethernet-AVB/TSN Controller + +maintainers: + - Alex Elder + - Daniel Thompson + +description: | + This node provides properties for configuring the Ethernet PCI functions + that are attached to the internal downstream port of the TC956x's PCIe + switch. + + TC956x are a family of Ethernet-AVB/TSN bridge chips that combine a PCIe + switch together with a number of Ethernet controllers. These bindings + cover only the Ethernet functions of these devices. + +allOf: + - $ref: /schemas/pci/pci-bus-common.yaml# + - $ref: /schemas/pci/pci-device.yaml# + +unevaluatedProperties: false + +properties: + compatible: + enum: + - pci1179,0220 # Toshiba TC9564 (a.k.a. Qualcomm QPS615) + + "#gpio-cells": + const: 2 + + gpio-controller: true + + # We can't allOf reference Ethernet-controller.yaml because we end up with + # contradictory $nodename rules (`ethernet@` versus `pci@`). Happily only a + # small number of the properties are useful on TC956x so we can just reference + # what we need. + phy-connection-type: + $ref: ethernet-controller.yaml#/properties/phy-connection-type + + phy-handle: + $ref: ethernet-controller.yaml#/properties/phy-handle + + phy-mode: + $ref: ethernet-controller.yaml#/properties/phy-mode + + mdio: + $ref: snps,dwmac.yaml#/properties/mdio + +required: + - compatible + - reg + +examples: + - | + pcie { + #address-cells = <3>; + #size-cells = <2>; + + tc956x_emac0: pci@0,0 { + compatible = "pci1179,0220"; + reg = <0x50000 0x0 0x0 0x0 0x0>; + #address-cells = <3>; + #size-cells = <2>; + device_type = "pci"; + ranges; + + gpio-controller; + #gpio-cells = <2>; + + phy-mode = "10gbase-r"; + phy-handle = <&tc956x_emac0_phy>; + + mdio { + compatible = "snps,dwmac-mdio"; + #address-cells = <1>; + #size-cells = <0>; + + tc956x_emac0_phy: ethernet-phy@1c { + compatible = "ethernet-phy-id311c.1c12"; + reg = <0x1c>; + }; + }; + }; + pci@0,1 { + compatible = "pci1179,0220"; + reg = <0x50100 0x0 0x0 0x0 0x0>; + #address-cells = <3>; + #size-cells = <2>; + device_type = "pci"; + ranges; + + phy-mode = "sgmii"; + phy-handle = <&tc956x_emac1_phy>; + + mdio { + compatible = "snps,dwmac-mdio"; + #address-cells = <1>; + #size-cells = <0>; + + tc956x_emac1_phy: ethernet-phy@1c { + compatible = "ethernet-phy-id004d.d101"; + reg = <0x1c>; + }; + }; + }; + }; -- 2.51.0