tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1Renesas Electronics USBHS driver
2
3Required properties:
4 - compatible: Must contain one or more of the following:
5
6 - "renesas,usbhs-r8a7743" for r8a7743 (RZ/G1M) compatible device
7 - "renesas,usbhs-r8a7744" for r8a7744 (RZ/G1N) compatible device
8 - "renesas,usbhs-r8a7745" for r8a7745 (RZ/G1E) compatible device
9 - "renesas,usbhs-r8a774a1" for r8a774a1 (RZ/G2M) compatible device
10 - "renesas,usbhs-r8a7790" for r8a7790 (R-Car H2) compatible device
11 - "renesas,usbhs-r8a7791" for r8a7791 (R-Car M2-W) compatible device
12 - "renesas,usbhs-r8a7792" for r8a7792 (R-Car V2H) compatible device
13 - "renesas,usbhs-r8a7793" for r8a7793 (R-Car M2-N) compatible device
14 - "renesas,usbhs-r8a7794" for r8a7794 (R-Car E2) compatible device
15 - "renesas,usbhs-r8a7795" for r8a7795 (R-Car H3) compatible device
16 - "renesas,usbhs-r8a7796" for r8a7796 (R-Car M3-W) compatible device
17 - "renesas,usbhs-r8a77965" for r8a77965 (R-Car M3-N) compatible device
18 - "renesas,usbhs-r8a77990" for r8a77990 (R-Car E3) compatible device
19 - "renesas,usbhs-r8a77995" for r8a77995 (R-Car D3) compatible device
20 - "renesas,usbhs-r7s72100" for r7s72100 (RZ/A1) compatible device
21 - "renesas,rcar-gen2-usbhs" for R-Car Gen2 or RZ/G1 compatible devices
22 - "renesas,rcar-gen3-usbhs" for R-Car Gen3 or RZ/G2 compatible devices
23 - "renesas,rza1-usbhs" for RZ/A1 compatible device
24
25 When compatible with the generic version, nodes must list the
26 SoC-specific version corresponding to the platform first followed
27 by the generic version.
28
29 - reg: Base address and length of the register for the USBHS
30 - interrupts: Interrupt specifier for the USBHS
31 - clocks: A list of phandle + clock specifier pairs.
32 - In case of "renesas,rcar-gen3-usbhs", two clocks are required.
33 First clock should be peripheral and second one should be host.
34 - In case of except above, one clock is required. First clock
35 should be peripheral.
36
37Optional properties:
38 - renesas,buswait: Integer to use BUSWAIT register
39 - renesas,enable-gpio: A gpio specifier to check GPIO determining if USB
40 function should be enabled
41 - phys: phandle + phy specifier pair
42 - phy-names: must be "usb"
43 - dmas: Must contain a list of references to DMA specifiers.
44 - dma-names : named "ch%d", where %d is the channel number ranging from zero
45 to the number of channels (DnFIFOs) minus one.
46
47Example:
48 usbhs: usb@e6590000 {
49 compatible = "renesas,usbhs-r8a7790", "renesas,rcar-gen2-usbhs";
50 reg = <0 0xe6590000 0 0x100>;
51 interrupts = <0 107 IRQ_TYPE_LEVEL_HIGH>;
52 clocks = <&mstp7_clks R8A7790_CLK_HSUSB>;
53 };