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| author | Grant Likely <grant.likely@secretlab.ca> | 2011-01-26 10:10:40 -0700 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2011-01-31 00:09:01 -0700 |
| commit | d524dac9279b6a41ffdf7ff7958c577f2e387db6 (patch) | |
| tree | 294166d18a1c89c4cebb2571ea7b124876fb01ef /Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/qe/usb.txt | |
| parent | 1bae4ce27c9c90344f23c65ea6966c50ffeae2f5 (diff) | |
| download | op-kernel-dev-d524dac9279b6a41ffdf7ff7958c577f2e387db6.zip op-kernel-dev-d524dac9279b6a41ffdf7ff7958c577f2e387db6.tar.gz | |
dt: Move device tree documentation out of powerpc directory
The device tree is used by more than just PowerPC. Make the documentation
directory available to all.
v2: reorganized files while moving to create arch and driver specific
directories.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
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 0000000..9ccd5f3 --- /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 */>; +}; |
