From 439b65c4bb66564e46a8df38c06863ee7cecb4e4 Mon Sep 17 00:00:00 2001 From: Chen-Yu Tsai Date: Sat, 28 Jan 2017 20:22:35 +0800 Subject: clk: sunxi-ng: Add A80 USB CCU Add support for the USB clock controls found on the A80. Signed-off-by: Chen-Yu Tsai Acked-by: Rob Herring Signed-off-by: Maxime Ripard --- .../devicetree/bindings/clock/sun9i-usb.txt | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/sun9i-usb.txt (limited to 'Documentation') 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>; +}; -- cgit v1.2.3