[PATCH 2/2] dt-binding: mediatek-dwmac: add binding document for MediaTek MT2712 DWMAC
From: Biao Huang <hidden>
Date: 2018-10-29 03:05:45
Also in:
linux-arm-kernel, linux-devicetree, linux-mediatek, lkml
Subsystem:
networking drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
The commit adds the device tree binding documentation for the MediaTek DWMAC found on MediaTek MT2712. Signed-off-by: Biao Huang <redacted> --- .../devicetree/bindings/net/mediatek-dwmac.txt | 49 ++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/mediatek-dwmac.txt
diff --git a/Documentation/devicetree/bindings/net/mediatek-dwmac.txt b/Documentation/devicetree/bindings/net/mediatek-dwmac.txt
new file mode 100644
index 0000000..8baf0e4
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/mediatek-dwmac.txt@@ -0,0 +1,49 @@ +MediaTek DWMAC glue layer controller + +This file documents platform glue layer for stmmac. +Please see stmmac.txt for the other unchanged properties. + +The device node has following properties. + +Required properties: +- compatible: Should be "mediatek,mt2712-gmac" for MT2712 SoC +- reg: Address and length of the register set for the device +- interrupts: Should contain the MAC interrupts +- interrupt-names: Should contain a list of interrupt names corresponding to + the interrupts in the interrupts property, if available. + Should be "macirq" for the main MAC IRQ +- clocks: Must contain a phandle for each entry in clock-names. +- clock-names: the name of the clock listed in the clocks property. These are + "axi", "apb", "mac_ext", "mac_parent", "ptp_ref", "ptp_parent", "ptp_top" + for MT2712 SoC +- mac-address: See ethernet.txt in the same directory +- phy-mode: See ethernet.txt in the same directory + +Example: + + eth: ethernet@1101c000 { + compatible = "mediatek,mt2712-gmac"; + reg = <0 0x1101c000 0 0x1300>; + interrupts = <GIC_SPI 237 IRQ_TYPE_LEVEL_LOW>; + interrupt-names = "macirq"; + phy-mode ="rgmii-id"; + mac-address = [00 55 7b b5 7d f7]; + clock-names = "axi", + "apb", + "mac_ext", + "mac_parent", + "ptp_ref", + "ptp_parent", + "ptp_top"; + clocks = <&pericfg CLK_PERI_GMAC>, + <&pericfg CLK_PERI_GMAC_PCLK>, + <&topckgen CLK_TOP_ETHER_125M_SEL>, + <&topckgen CLK_TOP_ETHERPLL_125M>, + <&topckgen CLK_TOP_ETHER_50M_SEL>, + <&topckgen CLK_TOP_APLL1_D3>, + <&topckgen CLK_TOP_APLL1>; + snps,txpbl = <32>; + snps,rxpbl = <32>; + snps,reset-gpio = <&pio 87 GPIO_ACTIVE_LOW>; + snps,reset-active-low; + };
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1.7.9.5