Frank Wang | 72580a4 | 2016-07-22 15:00:43 +0800 | [diff] [blame] | 1 | ROCKCHIP USB2.0 PHY WITH INNO IP BLOCK |
| 2 | |
| 3 | Required properties (phy (parent) node): |
| 4 | - compatible : should be one of the listed compatibles: |
| 5 | * "rockchip,rk3366-usb2phy" |
| 6 | * "rockchip,rk3399-usb2phy" |
| 7 | - reg : the address offset of grf for usb-phy configuration. |
| 8 | - #clock-cells : should be 0. |
| 9 | - clock-output-names : specify the 480m output clock name. |
| 10 | |
| 11 | Optional properties: |
| 12 | - clocks : phandle + phy specifier pair, for the input clock of phy. |
| 13 | - clock-names : input clock name of phy, must be "phyclk". |
| 14 | |
| 15 | Required nodes : a sub-node is required for each port the phy provides. |
| 16 | The sub-node name is used to identify host or otg port, |
| 17 | and shall be the following entries: |
| 18 | * "otg-port" : the name of otg port. |
| 19 | * "host-port" : the name of host port. |
| 20 | |
| 21 | Required properties (port (child) node): |
| 22 | - #phy-cells : must be 0. See ./phy-bindings.txt for details. |
| 23 | - interrupts : specify an interrupt for each entry in interrupt-names. |
| 24 | - interrupt-names : a list which shall be the following entries: |
| 25 | * "otg-id" : for the otg id interrupt. |
| 26 | * "otg-bvalid" : for the otg vbus interrupt. |
| 27 | * "linestate" : for the host/otg linestate interrupt. |
| 28 | |
| 29 | Optional properties: |
| 30 | - phy-supply : phandle to a regulator that provides power to VBUS. |
| 31 | See ./phy-bindings.txt for details. |
| 32 | |
| 33 | Example: |
| 34 | |
| 35 | grf: syscon@ff770000 { |
| 36 | compatible = "rockchip,rk3366-grf", "syscon", "simple-mfd"; |
| 37 | #address-cells = <1>; |
| 38 | #size-cells = <1>; |
| 39 | |
| 40 | ... |
| 41 | |
| 42 | u2phy: usb2-phy@700 { |
| 43 | compatible = "rockchip,rk3366-usb2phy"; |
| 44 | reg = <0x700 0x2c>; |
| 45 | #clock-cells = <0>; |
| 46 | clock-output-names = "sclk_otgphy0_480m"; |
| 47 | |
| 48 | u2phy_otg: otg-port { |
| 49 | #phy-cells = <0>; |
| 50 | interrupts = <GIC_SPI 93 IRQ_TYPE_LEVEL_HIGH>, |
| 51 | <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>, |
| 52 | <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>; |
| 53 | interrupt-names = "otg-id", "otg-bvalid", "linestate"; |
| 54 | status = "okay"; |
| 55 | }; |
| 56 | |
| 57 | u2phy_host: host-port { |
| 58 | #phy-cells = <0>; |
| 59 | interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>; |
| 60 | interrupt-names = "linestate"; |
| 61 | status = "okay"; |
| 62 | }; |
| 63 | }; |
| 64 | }; |