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[60.250.192.107]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-724079aaa01sm12644376b3a.100.2024.11.12.21.19.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 Nov 2024 21:20:01 -0800 (PST) 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, 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 v2 1/3] dt-bindings: net: nuvoton: Add schema for MA35 family GMAC Date: Wed, 13 Nov 2024 13:18:55 +0800 Message-Id: <20241113051857.12732-2-a0987203069@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241113051857.12732-1-a0987203069@gmail.com> References: <20241113051857.12732-1-a0987203069@gmail.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Delegate: kuba@kernel.org Create initial schema for Nuvoton MA35 family Gigabit MAC. Signed-off-by: Joey Lu --- .../bindings/net/nuvoton,ma35d1-dwmac.yaml | 170 ++++++++++++++++++ 1 file changed, 170 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..45eaf13467b3 --- /dev/null +++ b/Documentation/devicetree/bindings/net/nuvoton,ma35d1-dwmac.yaml @@ -0,0 +1,170 @@ +# 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). + +# We need a select here so we don't match all nodes with 'snps,dwmac' +select: + properties: + compatible: + contains: + enum: + - nuvoton,ma35d1-dwmac + required: + - compatible + +allOf: + - $ref: snps,dwmac.yaml# + +properties: + compatible: + - items: + - enum: + - nuvoton,ma35d1-dwmac + - const: snps,dwmac-3.70a + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + minItems: 2 + items: + - description: MAC clock + - description: PTP clock + + clock-names: + minItems: 2 + 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 + + phy-handle: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Specifies a reference to a node representing a PHY device. + + tx-internal-delay-ps: + enum: [0, 2000] + default: 0 + 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. + + rx-internal-delay-ps: + enum: [0, 2000] + default: 0 + 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. + + mdio: + $ref: /schemas/net/mdio.yaml# + +required: + - compatible + - reg + - interrupts + - interrupt-names + - clocks + - clock-names + - nuvoton,sys + - resets + - reset-names + - phy-mode + +examples: + - | + #include + #include + #include + //Example 1 + gmac0: ethernet@40120000 { + compatible = "nuvoton,ma35d1-dwmac"; + reg = <0x0 0x40120000 0x0 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"; + + phy-mode = "rgmii-id"; + phy-handle = <ð_phy0>; + mdio0 { + compatible = "snps,dwmac-mdio"; + #address-cells = <1>; + #size-cells = <0>; + + eth_phy0: ethernet-phy@0 { + reg = <0>; + }; + }; + }; + + - | + //Example 2 + gmac1: ethernet@40130000 { + compatible = "nuvoton,ma35d1-dwmac"; + reg = <0x0 0x40130000 0x0 0x10000>; + interrupts = ; + interrupt-names = "macirq"; + clocks = <&clk EMAC1_GATE>, <&clk EPLL_DIV8>; + clock-names = "stmmaceth", "ptp_ref"; + + nuvoton,sys = <&sys 1>; + resets = <&sys MA35D1_RESET_GMAC1>; + reset-names = "stmmaceth"; + + phy-mode = "rmii"; + phy-handle = <ð_phy1>; + mdio1 { + compatible = "snps,dwmac-mdio"; + #address-cells = <1>; + #size-cells = <0>; + + eth_phy1: ethernet-phy@1 { + reg = <1>; + }; + }; + };