| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame] | 1 | Qualcomm Ethernet ETHQOS device |
| 2 | |
| 3 | This documents dwmmac based ethernet device which supports Gigabit |
| 4 | ethernet for version v2.3.0 onwards. |
| 5 | |
| 6 | This device has following properties: |
| 7 | |
| 8 | Required properties: |
| 9 | |
| 10 | - compatible: Should be qcom,qcs404-ethqos" |
| 11 | |
| 12 | - reg: Address and length of the register set for the device |
| 13 | |
| 14 | - reg-names: Should contain register names "stmmaceth", "rgmii" |
| 15 | |
| 16 | - clocks: Should contain phandle to clocks |
| 17 | |
| 18 | - clock-names: Should contain clock names "stmmaceth", "pclk", |
| 19 | "ptp_ref", "rgmii" |
| 20 | |
| 21 | - interrupts: Should contain phandle to interrupts |
| 22 | |
| 23 | - interrupt-names: Should contain interrupt names "macirq", "eth_lpi" |
| 24 | |
| 25 | Rest of the properties are defined in stmmac.txt file in same directory |
| 26 | |
| 27 | |
| 28 | Example: |
| 29 | |
| 30 | ethernet: ethernet@7a80000 { |
| 31 | compatible = "qcom,qcs404-ethqos"; |
| 32 | reg = <0x07a80000 0x10000>, |
| 33 | <0x07a96000 0x100>; |
| 34 | reg-names = "stmmaceth", "rgmii"; |
| 35 | clock-names = "stmmaceth", "pclk", "ptp_ref", "rgmii"; |
| 36 | clocks = <&gcc GCC_ETH_AXI_CLK>, |
| 37 | <&gcc GCC_ETH_SLAVE_AHB_CLK>, |
| 38 | <&gcc GCC_ETH_PTP_CLK>, |
| 39 | <&gcc GCC_ETH_RGMII_CLK>; |
| 40 | interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>, |
| 41 | <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>; |
| 42 | interrupt-names = "macirq", "eth_lpi"; |
| 43 | snps,reset-gpio = <&tlmm 60 GPIO_ACTIVE_LOW>; |
| 44 | snps,reset-active-low; |
| 45 | |
| 46 | snps,txpbl = <8>; |
| 47 | snps,rxpbl = <2>; |
| 48 | snps,aal; |
| 49 | snps,tso; |
| 50 | |
| 51 | phy-handle = <&phy1>; |
| 52 | phy-mode = "rgmii"; |
| 53 | |
| 54 | mdio { |
| 55 | #address-cells = <0x1>; |
| 56 | #size-cells = <0x0>; |
| 57 | compatible = "snps,dwmac-mdio"; |
| 58 | phy1: phy@4 { |
| 59 | device_type = "ethernet-phy"; |
| 60 | reg = <0x4>; |
| 61 | }; |
| 62 | }; |
| 63 | |
| 64 | }; |