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author | Chen-Yu Tsai <wens@csie.org> | 2017-01-28 20:22:35 +0800 |
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committer | Maxime Ripard <maxime.ripard@free-electrons.com> | 2017-01-30 08:37:51 +0100 |
commit | 439b65c4bb66564e46a8df38c06863ee7cecb4e4 (patch) | |
tree | 61831f6418fc174e8441edb71b71fe2ccd41975e /Documentation | |
parent | b8eb71dcdd0817ce75f2874301a068fb211dab41 (diff) | |
download | linux-439b65c4bb66564e46a8df38c06863ee7cecb4e4.tar.gz linux-439b65c4bb66564e46a8df38c06863ee7cecb4e4.tar.bz2 linux-439b65c4bb66564e46a8df38c06863ee7cecb4e4.zip |
clk: sunxi-ng: Add A80 USB CCU
Add support for the USB clock controls found on the A80.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/devicetree/bindings/clock/sun9i-usb.txt | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/clock/sun9i-usb.txt b/Documentation/devicetree/bindings/clock/sun9i-usb.txt new file mode 100644 index 000000000000..3564bd4f2a20 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/sun9i-usb.txt @@ -0,0 +1,24 @@ +Allwinner A80 USB Clock Control Binding +--------------------------------------- + +Required properties : +- compatible: must contain one of the following compatibles: + - "allwinner,sun9i-a80-usb-clocks" + +- reg: Must contain the registers base address and length +- clocks: phandle to the clocks feeding the USB subsystem. Two are needed: + - "bus": the bus clock for the whole USB subsystem + - "hosc": the high frequency oscillator (usually at 24MHz) +- clock-names: Must contain the clock names described just above +- #clock-cells : must contain 1 +- #reset-cells : must contain 1 + +Example: +usb_clocks: clock@a08000 { + compatible = "allwinner,sun9i-a80-usb-clks"; + reg = <0x00a08000 0x8>; + clocks = <&ccu CLK_BUS_USB>, <&osc24M>; + clock-names = "bus", "hosc"; + #clock-cells = <1>; + #reset-cells = <1>; +}; |