diff options
Diffstat (limited to 'drivers/staging/mt7621-pci-phy/mediatek,mt7621-pci-phy.txt')
| -rw-r--r-- | drivers/staging/mt7621-pci-phy/mediatek,mt7621-pci-phy.txt | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/drivers/staging/mt7621-pci-phy/mediatek,mt7621-pci-phy.txt b/drivers/staging/mt7621-pci-phy/mediatek,mt7621-pci-phy.txt new file mode 100644 index 000000000000..33a8a698bdd0 --- /dev/null +++ b/drivers/staging/mt7621-pci-phy/mediatek,mt7621-pci-phy.txt @@ -0,0 +1,54 @@ +Mediatek Mt7621 PCIe PHY + +Required properties: +- compatible: must be "mediatek,mt7621-pci-phy" +- reg: base address and length of the PCIe PHY block +- #address-cells: must be 1 +- #size-cells: must be 0 + +Each PCIe PHY should be represented by a child node + +Required properties For the child node: +- reg: the PHY ID +0 - PCIe RC 0 +1 - PCIe RC 1 +- #phy-cells: must be 0 + +Example: + pcie0_phy: pcie-phy@1a149000 { + compatible = "mediatek,mt7621-pci-phy"; + reg = <0x1a149000 0x0700>; + #address-cells = <1>; + #size-cells = <0>; + + pcie0_port: pcie-phy@0 { + reg = <0>; + #phy-cells = <0>; + }; + + pcie1_port: pcie-phy@1 { + reg = <1>; + #phy-cells = <0>; + }; + }; + + pcie1_phy: pcie-phy@1a14a000 { + compatible = "mediatek,mt7621-pci-phy"; + reg = <0x1a14a000 0x0700>; + #address-cells = <1>; + #size-cells = <0>; + + pcie2_port: pcie-phy@0 { + reg = <0>; + #phy-cells = <0>; + }; + }; + + /* users of the PCIe phy */ + + pcie: pcie@1e140000 { + ... + ... + phys = <&pcie0_port>, <&pcie1_port>, <&pcie2_port>; + phy-names = "pcie-phy0", "pcie-phy1", "pcie-phy2"; + };
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