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Diffstat (limited to 'Documentation/devicetree/bindings/usb/renesas,usbhs.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/usb/renesas,usbhs.txt | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/renesas,usbhs.txt b/Documentation/devicetree/bindings/usb/renesas,usbhs.txt new file mode 100644 index 000000000000..e39255ea6e4f --- /dev/null +++ b/Documentation/devicetree/bindings/usb/renesas,usbhs.txt @@ -0,0 +1,57 @@ +Renesas Electronics USBHS driver + +Required properties: + - compatible: Must contain one or more of the following: + + - "renesas,usbhs-r8a7743" for r8a7743 (RZ/G1M) compatible device + - "renesas,usbhs-r8a7744" for r8a7744 (RZ/G1N) compatible device + - "renesas,usbhs-r8a7745" for r8a7745 (RZ/G1E) compatible device + - "renesas,usbhs-r8a77470" for r8a77470 (RZ/G1C) compatible device + - "renesas,usbhs-r8a774a1" for r8a774a1 (RZ/G2M) compatible device + - "renesas,usbhs-r8a774c0" for r8a774c0 (RZ/G2E) compatible device + - "renesas,usbhs-r8a7790" for r8a7790 (R-Car H2) compatible device + - "renesas,usbhs-r8a7791" for r8a7791 (R-Car M2-W) compatible device + - "renesas,usbhs-r8a7792" for r8a7792 (R-Car V2H) compatible device + - "renesas,usbhs-r8a7793" for r8a7793 (R-Car M2-N) compatible device + - "renesas,usbhs-r8a7794" for r8a7794 (R-Car E2) compatible device + - "renesas,usbhs-r8a7795" for r8a7795 (R-Car H3) compatible device + - "renesas,usbhs-r8a7796" for r8a7796 (R-Car M3-W) compatible device + - "renesas,usbhs-r8a77965" for r8a77965 (R-Car M3-N) compatible device + - "renesas,usbhs-r8a77990" for r8a77990 (R-Car E3) compatible device + - "renesas,usbhs-r8a77995" for r8a77995 (R-Car D3) compatible device + - "renesas,usbhs-r7s72100" for r7s72100 (RZ/A1) compatible device + - "renesas,usbhs-r7s9210" for r7s9210 (RZ/A2) compatible device + - "renesas,rcar-gen2-usbhs" for R-Car Gen2 or RZ/G1 compatible devices + - "renesas,rcar-gen3-usbhs" for R-Car Gen3 or RZ/G2 compatible devices + - "renesas,rza1-usbhs" for RZ/A1 compatible device + - "renesas,rza2-usbhs" for RZ/A2 compatible device + + When compatible with the generic version, nodes must list the + SoC-specific version corresponding to the platform first followed + by the generic version. + + - reg: Base address and length of the register for the USBHS + - interrupts: Interrupt specifier for the USBHS + - clocks: A list of phandle + clock specifier pairs. + - In case of "renesas,rcar-gen3-usbhs", two clocks are required. + First clock should be peripheral and second one should be host. + - In case of except above, one clock is required. First clock + should be peripheral. + +Optional properties: + - renesas,buswait: Integer to use BUSWAIT register + - renesas,enable-gpio: A gpio specifier to check GPIO determining if USB + function should be enabled + - phys: phandle + phy specifier pair + - phy-names: must be "usb" + - dmas: Must contain a list of references to DMA specifiers. + - dma-names : named "ch%d", where %d is the channel number ranging from zero + to the number of channels (DnFIFOs) minus one. + +Example: + usbhs: usb@e6590000 { + compatible = "renesas,usbhs-r8a7790", "renesas,rcar-gen2-usbhs"; + reg = <0 0xe6590000 0 0x100>; + interrupts = <0 107 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp7_clks R8A7790_CLK_HSUSB>; + }; |