diff options
author | Tejun Heo <tj@kernel.org> | 2011-02-21 09:43:56 +0100 |
---|---|---|
committer | Tejun Heo <tj@kernel.org> | 2011-02-21 09:43:56 +0100 |
commit | 43d133c18b44e7d82d82ef0dcc2bddd55d5dfe81 (patch) | |
tree | 8de75c837b55874cc8a81a29bdedbc62668d4481 /Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/qe/usb.txt | |
parent | 4149efb22da66e326fc48baf80d628834509f7f0 (diff) | |
parent | 6f576d57f1fa0d6026b495d8746d56d949989161 (diff) | |
download | blackbird-op-linux-43d133c18b44e7d82d82ef0dcc2bddd55d5dfe81.tar.gz blackbird-op-linux-43d133c18b44e7d82d82ef0dcc2bddd55d5dfe81.zip |
Merge branch 'master' into for-2.6.39
Diffstat (limited to 'Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/qe/usb.txt')
-rw-r--r-- | Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/qe/usb.txt | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/qe/usb.txt b/Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/qe/usb.txt new file mode 100644 index 000000000000..9ccd5f30405b --- /dev/null +++ b/Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/qe/usb.txt @@ -0,0 +1,37 @@ +Freescale QUICC Engine USB Controller + +Required properties: +- compatible : should be "fsl,<chip>-qe-usb", "fsl,mpc8323-qe-usb". +- reg : the first two cells should contain usb registers location and + length, the next two two cells should contain PRAM location and + length. +- interrupts : should contain USB interrupt. +- interrupt-parent : interrupt source phandle. +- fsl,fullspeed-clock : specifies the full speed USB clock source: + "none": clock source is disabled + "brg1" through "brg16": clock source is BRG1-BRG16, respectively + "clk1" through "clk24": clock source is CLK1-CLK24, respectively +- fsl,lowspeed-clock : specifies the low speed USB clock source: + "none": clock source is disabled + "brg1" through "brg16": clock source is BRG1-BRG16, respectively + "clk1" through "clk24": clock source is CLK1-CLK24, respectively +- hub-power-budget : USB power budget for the root hub, in mA. +- gpios : should specify GPIOs in this order: USBOE, USBTP, USBTN, USBRP, + USBRN, SPEED (optional), and POWER (optional). + +Example: + +usb@6c0 { + compatible = "fsl,mpc8360-qe-usb", "fsl,mpc8323-qe-usb"; + reg = <0x6c0 0x40 0x8b00 0x100>; + interrupts = <11>; + interrupt-parent = <&qeic>; + fsl,fullspeed-clock = "clk21"; + gpios = <&qe_pio_b 2 0 /* USBOE */ + &qe_pio_b 3 0 /* USBTP */ + &qe_pio_b 8 0 /* USBTN */ + &qe_pio_b 9 0 /* USBRP */ + &qe_pio_b 11 0 /* USBRN */ + &qe_pio_e 20 0 /* SPEED */ + &qe_pio_e 21 0 /* POWER */>; +}; |