[PATCH 06/11] clk: sunxi-ng: Add A80 USB CCU
From: robh@kernel.org (Rob Herring)
Date: 2017-01-27 21:49:18
Also in:
linux-clk, linux-devicetree, lkml
On Tue, Jan 24, 2017 at 10:32:25AM +0800, Chen-Yu Tsai wrote:
quoted hunk ↗ jump to hunk
Add support for the USB clock controls found on the A80. Signed-off-by: Chen-Yu Tsai <redacted> --- .../devicetree/bindings/clock/sun9i-usb.txt | 24 ++++ drivers/clk/sunxi-ng/Makefile | 1 + drivers/clk/sunxi-ng/ccu-sun9i-a80-usb.c | 144 +++++++++++++++++++++ drivers/clk/sunxi-ng/ccu-sun9i-a80-usb.h | 25 ++++ include/dt-bindings/clock/sun9i-a80-usb.h | 59 +++++++++ include/dt-bindings/reset/sun9i-a80-usb.h | 56 ++++++++ 6 files changed, 309 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/sun9i-usb.txt create mode 100644 drivers/clk/sunxi-ng/ccu-sun9i-a80-usb.c create mode 100644 drivers/clk/sunxi-ng/ccu-sun9i-a80-usb.h create mode 100644 include/dt-bindings/clock/sun9i-a80-usb.h create mode 100644 include/dt-bindings/reset/sun9i-a80-usb.hdiff --git a/Documentation/devicetree/bindings/clock/sun9i-usb.txt b/Documentation/devicetree/bindings/clock/sun9i-usb.txt new file mode 100644 index 000000000000..c2d38626eaaa --- /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 at 00a08000 {
Drop leading 0s. With that, for the binding: Acked-by: Rob Herring <robh@kernel.org>
+ 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>; +};