diff options
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/devicetree/bindings/clock/sunxi.txt | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/clock/sunxi.txt b/Documentation/devicetree/bindings/clock/sunxi.txt index d199f9153e04..67b2b99f2b33 100644 --- a/Documentation/devicetree/bindings/clock/sunxi.txt +++ b/Documentation/devicetree/bindings/clock/sunxi.txt @@ -71,8 +71,9 @@ Required properties for all clocks: multiplexed clocks, the list order must match the hardware programming order. - #clock-cells : from common clock binding; shall be set to 0 except for - "allwinner,*-gates-clk", "allwinner,sun4i-pll5-clk" and - "allwinner,sun4i-pll6-clk" where it shall be set to 1 + the following compatibles where it shall be set to 1: + "allwinner,*-gates-clk", "allwinner,sun4i-pll5-clk", + "allwinner,sun4i-pll6-clk", "allwinner,sun6i-a31-pll6-clk" - clock-output-names : shall be the corresponding names of the outputs. If the clock module only has one output, the name shall be the module name. @@ -87,6 +88,12 @@ Clock consumers should specify the desired clocks they use with a "clocks" phandle cell. Consumers that are using a gated clock should provide an additional ID in their clock property. This ID is the offset of the bit controlling this particular gate in the register. +For the other clocks with "#clock-cells" = 1, the additional ID shall +refer to the index of the output. + +For "allwinner,sun6i-a31-pll6-clk", there are 2 outputs. The first output +is the normal PLL6 output, or "pll6". The second output is rate doubled +PLL6, or "pll6x2". For example: @@ -114,6 +121,14 @@ pll5: clk@01c20020 { clock-output-names = "pll5_ddr", "pll5_other"; }; +pll6: clk@01c20028 { + #clock-cells = <1>; + compatible = "allwinner,sun6i-a31-pll6-clk"; + reg = <0x01c20028 0x4>; + clocks = <&osc24M>; + clock-output-names = "pll6", "pll6x2"; +}; + cpu: cpu@01c20054 { #clock-cells = <0>; compatible = "allwinner,sun4i-a10-cpu-clk"; |