| * STMicroelectronics 10/100/1000 Ethernet driver (GMAC) |
| |
| Required properties: |
| - compatible: Should be "snps,dwmac-<ip_version>" "snps,dwmac" |
| For backwards compatibility: "st,spear600-gmac" is also supported. |
| - reg: Address and length of the register set for the device |
| - interrupt-parent: Should be the phandle for the interrupt controller |
| that services interrupts for this device |
| - interrupts: Should contain the STMMAC interrupts |
| - interrupt-names: Should contain the interrupt names "macirq" |
| "eth_wake_irq" if this interrupt is supported in the "interrupts" |
| property |
| - phy-mode: See ethernet.txt file in the same directory. |
| - snps,reset-gpio gpio number for phy reset. |
| - snps,reset-active-low boolean flag to indicate if phy reset is active low. |
| - snps,reset-delays-us is triplet of delays |
| The 1st cell is reset pre-delay in micro seconds. |
| The 2nd cell is reset pulse in micro seconds. |
| The 3rd cell is reset post-delay in micro seconds. |
| - snps,pbl Programmable Burst Length |
| - snps,fixed-burst Program the DMA to use the fixed burst mode |
| - snps,mixed-burst Program the DMA to use the mixed burst mode |
| - snps,force_thresh_dma_mode Force DMA to use the threshold mode for |
| both tx and rx |
| - snps,force_sf_dma_mode Force DMA to use the Store and Forward |
| mode for both tx and rx. This flag is |
| ignored if force_thresh_dma_mode is set. |
| - snps,multicast-filter-bins: Number of multicast filter hash bins |
| supported by this device instance |
| - snps,perfect-filter-entries: Number of perfect filter entries supported |
| by this device instance |
| |
| Optional properties: |
| - resets: Should contain a phandle to the STMMAC reset signal, if any |
| - reset-names: Should contain the reset signal name "stmmaceth", if a |
| reset phandle is given |
| - max-frame-size: See ethernet.txt file in the same directory |
| - clocks: If present, the first clock should be the GMAC main clock, |
| further clocks may be specified in derived bindings. |
| - clock-names: One name for each entry in the clocks property, the |
| first one should be "stmmaceth". |
| - clk_ptp_ref: this is the PTP reference clock; in case of the PTP is |
| available this clock is used for programming the Timestamp Addend Register. |
| If not passed then the system clock will be used and this is fine on some |
| platforms. |
| |
| Examples: |
| |
| gmac0: ethernet@e0800000 { |
| compatible = "st,spear600-gmac"; |
| reg = <0xe0800000 0x8000>; |
| interrupt-parent = <&vic1>; |
| interrupts = <24 23>; |
| interrupt-names = "macirq", "eth_wake_irq"; |
| mac-address = [000000000000]; /* Filled in by U-Boot */ |
| max-frame-size = <3800>; |
| phy-mode = "gmii"; |
| snps,multicast-filter-bins = <256>; |
| snps,perfect-filter-entries = <128>; |
| clocks = <&clock>; |
| clock-names = "stmmaceth"; |
| }; |
