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Diffstat (limited to 'doc/device-tree-bindings/net/phy/atheros.txt')
| -rw-r--r-- | doc/device-tree-bindings/net/phy/atheros.txt | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/doc/device-tree-bindings/net/phy/atheros.txt b/doc/device-tree-bindings/net/phy/atheros.txt new file mode 100644 index 0000000000..97e97b8c13 --- /dev/null +++ b/doc/device-tree-bindings/net/phy/atheros.txt @@ -0,0 +1,35 @@ +* Qualcomm Atheros PHY Device Tree binding + +Required properties: +- reg: PHY address + +Optional properties: +- qca,clk-out-frequency: Clock frequency of the CLK_25M pin in Hz. + Either 25000000, 50000000, 62500000 or 125000000. +- qca,clk-out-strength: Clock output buffer driver strength. + Supported values are defined in dt-bindings/net/qca-ar803x.h +- qca,keep-pll-enabled: Keep the PLL running if no link is present. + Don't go into hibernation mode. + Only supported on the AR8031/AR8033. +- vddio-supply: RGMII I/O voltage regulator + Only supported on the AR8031/AR8033. + +Optional subnodes: +- vddio-regulator: Initial data for the VDDIO regulator, as covered + doc/device-tree-bindings/regulator/regulator.txt + +Example: + #include <dt-bindings/net/qca-ar803x.h> + + ethernet-phy@0 { + reg = <0>; + qca-clk-out-frequency = <125000000>; + qca,keep-pll-enabled; + + vddio-supply = <&vddio>; + + vddio: vddio-regulator { + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + }; + }; |