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| author | Tomer Maimon <tmaimon77@gmail.com> | 2019-01-14 15:07:05 +0200 |
|---|---|---|
| committer | Joel Stanley <joel@jms.id.au> | 2019-03-20 15:13:34 +1030 |
| commit | 88c99e22439e2f2ed0ef4efc05877d3de9c50fc5 (patch) | |
| tree | 2066da7dd21b31497805caba91b23bc70f4fd3e2 /Documentation/devicetree | |
| parent | 92e04dd5cca39061938cf3b01d1f304d5a0b42aa (diff) | |
| download | blackbird-obmc-linux-88c99e22439e2f2ed0ef4efc05877d3de9c50fc5.tar.gz blackbird-obmc-linux-88c99e22439e2f2ed0ef4efc05877d3de9c50fc5.zip | |
dt-binding: net: document NPCM7xx EMC DT bindings
Added device tree binding documentation for
Nuvoton NPCM7xx Ethernet MAC Controller (EMC).
OpenBMC-Staging-Count: 2
Signed-off-by: Avi Fishman <avifishman70@gmail.com>
Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'Documentation/devicetree')
| -rw-r--r-- | Documentation/devicetree/bindings/net/nuvoton,npcm7xx-emc.txt | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/nuvoton,npcm7xx-emc.txt b/Documentation/devicetree/bindings/net/nuvoton,npcm7xx-emc.txt new file mode 100644 index 000000000000..4227597401f5 --- /dev/null +++ b/Documentation/devicetree/bindings/net/nuvoton,npcm7xx-emc.txt @@ -0,0 +1,36 @@ +Nuvoton NPCM7XX 10/100 Ethernet MAC Controller (EMC) + +The NPCM750x provides two identical Ethernet MAC Controllers +for WAN/LAN applications + +Required properties: +- device_type : Should be "network" +- compatible : "nuvoton,npcm750-emc" for Poleg NPCM750. +- reg : Offset and length of the register set for the device. +- interrupts : Contain the emc interrupts with flags for falling edge. + first interrupt dedicated to Txirq + second interrupt dedicated to Rxirq +- phy-mode : Should be "rmii" (see ethernet.txt in the same directory) +- clocks : phandle of emc reference clock. +- use-ncsi : Use the NC-SI stack instead of an MDIO PHY + +Example: + +emc0: eth@f0825000 { + device_type = "network"; + compatible = "nuvoton,npcm750-emc"; + reg = <0xf0825000 0x1000>; + interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>; + phy-mode = "rmii"; + clocks = <&clk NPCM7XX_CLK_AHB>; + + #use-ncsi; /* add this to support ncsi */ + + clock-names = "clk_emc"; + pinctrl-names = "default"; + pinctrl-0 = <&r1_pins + &r1err_pins + &r1md_pins>; + status = "okay"; +};
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