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[60.250.196.139]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-82b04220d9asm8630779b3a.60.2026.03.23.03.18.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 Mar 2026 03:18:07 -0700 (PDT) From: Joey Lu To: andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, mcoquelin.stm32@gmail.com, richardcochran@gmail.com Cc: alexandre.torgue@foss.st.com, joabreu@synopsys.com, ychuang3@nuvoton.com, schung@nuvoton.com, yclu4@nuvoton.com, peppe.cavallaro@st.com, linux-arm-kernel@lists.infradead.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, openbmc@lists.ozlabs.org, linux-stm32@st-md-mailman.stormreply.com, Joey Lu Subject: [PATCH net-next v15 1/3] dt-bindings: net: nuvoton: Add schema for Nuvoton MA35 family GMAC Date: Mon, 23 Mar 2026 18:17:54 +0800 Message-ID: <20260323101756.81849-2-a0987203069@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260323101756.81849-1-a0987203069@gmail.com> References: <20260323101756.81849-1-a0987203069@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260323_031808_667608_21217CB9 X-CRM114-Status: GOOD ( 16.00 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Create initial schema for Nuvoton MA35 family Gigabit MAC. Reviewed-by: Rob Herring (Arm) Signed-off-by: Joey Lu --- .../bindings/net/nuvoton,ma35d1-dwmac.yaml | 140 ++++++++++++++++++ .../devicetree/bindings/net/snps,dwmac.yaml | 1 + 2 files changed, 141 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/nuvoton,ma35d1-dwmac.yaml diff --git a/Documentation/devicetree/bindings/net/nuvoton,ma35d1-dwmac.yaml b/Documentation/devicetree/bindings/net/nuvoton,ma35d1-dwmac.yaml new file mode 100644 index 000000000000..ab18702e53f9 --- /dev/null +++ b/Documentation/devicetree/bindings/net/nuvoton,ma35d1-dwmac.yaml @@ -0,0 +1,140 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/nuvoton,ma35d1-dwmac.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Nuvoton DWMAC glue layer controller + +maintainers: + - Joey Lu + +description: + Nuvoton 10/100/1000Mbps Gigabit Ethernet MAC Controller is based on + Synopsys DesignWare MAC (version 3.73a). + +select: + properties: + compatible: + contains: + enum: + - nuvoton,ma35d1-dwmac + required: + - compatible + +allOf: + - $ref: snps,dwmac.yaml# + +properties: + compatible: + items: + - const: nuvoton,ma35d1-dwmac + - const: snps,dwmac-3.70a + + reg: + maxItems: 1 + description: + Register range should be one of the GMAC interface. + + interrupts: + maxItems: 1 + + clocks: + items: + - description: MAC clock + - description: PTP clock + + clock-names: + items: + - const: stmmaceth + - const: ptp_ref + + nuvoton,sys: + $ref: /schemas/types.yaml#/definitions/phandle-array + items: + - items: + - description: phandle to access syscon registers. + - description: GMAC interface ID. + enum: + - 0 + - 1 + description: + A phandle to the syscon with one argument that configures system registers + for MA35D1's two GMACs. The argument specifies the GMAC interface ID. + + resets: + maxItems: 1 + + reset-names: + items: + - const: stmmaceth + + phy-mode: + enum: + - rmii + - rgmii + - rgmii-id + - rgmii-txid + - rgmii-rxid + + tx-internal-delay-ps: + default: 0 + minimum: 0 + maximum: 2000 + description: + RGMII TX path delay used only when PHY operates in RGMII mode with + internal delay (phy-mode is 'rgmii-id' or 'rgmii-txid') in pico-seconds. + Allowed values are from 0 to 2000. + + rx-internal-delay-ps: + default: 0 + minimum: 0 + maximum: 2000 + description: + RGMII RX path delay used only when PHY operates in RGMII mode with + internal delay (phy-mode is 'rgmii-id' or 'rgmii-rxid') in pico-seconds. + Allowed values are from 0 to 2000. + +required: + - clocks + - clock-names + - nuvoton,sys + - resets + - reset-names + - phy-mode + +unevaluatedProperties: false + +examples: + - | + #include + #include + #include + ethernet@40120000 { + compatible = "nuvoton,ma35d1-dwmac", "snps,dwmac-3.70a"; + reg = <0x40120000 0x10000>; + interrupts = ; + interrupt-names = "macirq"; + clocks = <&clk EMAC0_GATE>, <&clk EPLL_DIV8>; + clock-names = "stmmaceth", "ptp_ref"; + + nuvoton,sys = <&sys 0>; + resets = <&sys MA35D1_RESET_GMAC0>; + reset-names = "stmmaceth"; + snps,multicast-filter-bins = <0>; + snps,perfect-filter-entries = <8>; + rx-fifo-depth = <4096>; + tx-fifo-depth = <2048>; + + phy-mode = "rgmii-id"; + phy-handle = <ð_phy0>; + mdio { + compatible = "snps,dwmac-mdio"; + #address-cells = <1>; + #size-cells = <0>; + + eth_phy0: ethernet-phy@0 { + reg = <0>; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml index 98ebb6276bc6..c25903c74484 100644 --- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml +++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml @@ -69,6 +69,7 @@ properties: - ingenic,x2000-mac - loongson,ls2k-dwmac - loongson,ls7a-dwmac + - nuvoton,ma35d1-dwmac - nxp,s32g2-dwmac - qcom,qcs404-ethqos - qcom,sa8775p-ethqos -- 2.43.0