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Diffstat (limited to 'Documentation')
4 files changed, 129 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/clock/hi3660-clock.txt b/Documentation/devicetree/bindings/clock/hi3660-clock.txt index 0035a7ecaf20..946da7cee54f 100644 --- a/Documentation/devicetree/bindings/clock/hi3660-clock.txt +++ b/Documentation/devicetree/bindings/clock/hi3660-clock.txt @@ -13,12 +13,18 @@ Required Properties: - "hisilicon,hi3660-pmuctrl" - "hisilicon,hi3660-sctrl" - "hisilicon,hi3660-iomcu" + - "hisilicon,hi3660-stub-clk" - reg: physical base address of the controller and length of memory mapped region. - #clock-cells: should be 1. +Optional Properties: + +- mboxes: Phandle to the mailbox for sending message to MCU. + (See: ../mailbox/hisilicon,hi3660-mailbox.txt for more info) + Each clock is assigned an identifier and client nodes use this identifier to specify the clock which they consume. diff --git a/Documentation/devicetree/bindings/clock/qcom,spmi-clkdiv.txt b/Documentation/devicetree/bindings/clock/qcom,spmi-clkdiv.txt new file mode 100644 index 000000000000..7474aba36607 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/qcom,spmi-clkdiv.txt @@ -0,0 +1,59 @@ +Qualcomm Technologies, Inc. SPMI PMIC clock divider (clkdiv) + +clkdiv configures the clock frequency of a set of outputs on the PMIC. +These clocks are typically wired through alternate functions on +gpio pins. + +======================= +Properties +======================= + +- compatible + Usage: required + Value type: <string> + Definition: must be "qcom,spmi-clkdiv". + +- reg + Usage: required + Value type: <prop-encoded-array> + Definition: base address of CLKDIV peripherals. + +- qcom,num-clkdivs + Usage: required + Value type: <u32> + Definition: number of CLKDIV peripherals. + +- clocks: + Usage: required + Value type: <prop-encoded-array> + Definition: reference to the xo clock. + +- clock-names: + Usage: required + Value type: <stringlist> + Definition: must be "xo". + +- #clock-cells: + Usage: required + Value type: <u32> + Definition: shall contain 1. + +======= +Example +======= + +pm8998_clk_divs: clock-controller@5b00 { + compatible = "qcom,spmi-clkdiv"; + reg = <0x5b00>; + #clock-cells = <1>; + qcom,num-clkdivs = <3>; + clocks = <&xo_board>; + clock-names = "xo"; + + assigned-clocks = <&pm8998_clk_divs 1>, + <&pm8998_clk_divs 2>, + <&pm8998_clk_divs 3>; + assigned-clock-rates = <9600000>, + <9600000>, + <9600000>; +}; diff --git a/Documentation/devicetree/bindings/clock/qoriq-clock.txt b/Documentation/devicetree/bindings/clock/qoriq-clock.txt index 6498e1fdbb33..97f46adac85f 100644 --- a/Documentation/devicetree/bindings/clock/qoriq-clock.txt +++ b/Documentation/devicetree/bindings/clock/qoriq-clock.txt @@ -78,6 +78,7 @@ second cell is the clock index for the specified type. 2 hwaccel index (n in CLKCGnHWACSR) 3 fman 0 for fm1, 1 for fm2 4 platform pll 0=pll, 1=pll/2, 2=pll/3, 3=pll/4 + 4=pll/5, 5=pll/6, 6=pll/7, 7=pll/8 5 coreclk must be 0 3. Example diff --git a/Documentation/devicetree/bindings/clock/sprd.txt b/Documentation/devicetree/bindings/clock/sprd.txt new file mode 100644 index 000000000000..e9d179e882d9 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/sprd.txt @@ -0,0 +1,63 @@ +Spreadtrum Clock Binding +------------------------ + +Required properties: +- compatible: should contain the following compatible strings: + - "sprd,sc9860-pmu-gate" + - "sprd,sc9860-pll" + - "sprd,sc9860-ap-clk" + - "sprd,sc9860-aon-prediv" + - "sprd,sc9860-apahb-gate" + - "sprd,sc9860-aon-gate" + - "sprd,sc9860-aonsecure-clk" + - "sprd,sc9860-agcp-gate" + - "sprd,sc9860-gpu-clk" + - "sprd,sc9860-vsp-clk" + - "sprd,sc9860-vsp-gate" + - "sprd,sc9860-cam-clk" + - "sprd,sc9860-cam-gate" + - "sprd,sc9860-disp-clk" + - "sprd,sc9860-disp-gate" + - "sprd,sc9860-apapb-gate" + +- #clock-cells: must be 1 + +- clocks : Should be the input parent clock(s) phandle for the clock, this + property here just simply shows which clock group the clocks' + parents are in, since each clk node would represent many clocks + which are defined in the driver. The detailed dependency + relationship (i.e. how many parents and which are the parents) + are implemented in driver code. + +Optional properties: + +- reg: Contain the registers base address and length. It must be configured + only if no 'sprd,syscon' under the node. + +- sprd,syscon: phandle to the syscon which is in the same address area with + the clock, and so we can get regmap for the clocks from the + syscon device. + +Example: + + pmu_gate: pmu-gate { + compatible = "sprd,sc9860-pmu-gate"; + sprd,syscon = <&pmu_regs>; + clocks = <&ext_26m>; + #clock-cells = <1>; + }; + + pll: pll { + compatible = "sprd,sc9860-pll"; + sprd,syscon = <&ana_regs>; + clocks = <&pmu_gate 0>; + #clock-cells = <1>; + }; + + ap_clk: clock-controller@20000000 { + compatible = "sprd,sc9860-ap-clk"; + reg = <0 0x20000000 0 0x400>; + clocks = <&ext_26m>, <&pll 0>, + <&pmu_gate 0>; + #clock-cells = <1>; + }; |