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Diffstat (limited to 'dts/Bindings/net/stmmac.txt')
| -rw-r--r-- | dts/Bindings/net/stmmac.txt | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/dts/Bindings/net/stmmac.txt b/dts/Bindings/net/stmmac.txt new file mode 100644 index 0000000000..80c1fb8bfb --- /dev/null +++ b/dts/Bindings/net/stmmac.txt @@ -0,0 +1,52 @@ +* 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. + +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. +- clocks-names: One name for each entry in the clocks property, the + first one should be "stmmaceth". + +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"; + clocks = <&clock>; + clock-names = "stmmaceth">; + }; |