diff options
| -rw-r--r-- | Documentation/devicetree/bindings/clock/hi6220-clock.txt | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/clock/hi6220-clock.txt b/Documentation/devicetree/bindings/clock/hi6220-clock.txt index 259e30af9597..e4d5feaebc29 100644 --- a/Documentation/devicetree/bindings/clock/hi6220-clock.txt +++ b/Documentation/devicetree/bindings/clock/hi6220-clock.txt @@ -15,19 +15,36 @@ Required Properties: - "hisilicon,hi6220-sysctrl" - "hisilicon,hi6220-mediactrl" - "hisilicon,hi6220-pmctrl" + - "hisilicon,hi6220-stub-clk" - reg: physical base address of the controller and length of memory mapped region. - #clock-cells: should be 1. -For example: +Optional Properties: + +- hisilicon,hi6220-clk-sram: phandle to the syscon managing the SoC internal sram; + the driver need use the sram to pass parameters for frequency change. + +- mboxes: use the label reference for the mailbox as the first parameter, the + second parameter is the channel number. + +Example 1: sys_ctrl: sys_ctrl@f7030000 { compatible = "hisilicon,hi6220-sysctrl", "syscon"; reg = <0x0 0xf7030000 0x0 0x2000>; #clock-cells = <1>; }; +Example 2: + stub_clock: stub_clock { + compatible = "hisilicon,hi6220-stub-clk"; + hisilicon,hi6220-clk-sram = <&sram>; + #clock-cells = <1>; + mboxes = <&mailbox 1>; + }; + Each clock is assigned an identifier and client nodes use this identifier to specify the clock which they consume. |