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Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/clock/clk-qpnp-div.txt | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/clock/clk-qpnp-div.txt b/Documentation/devicetree/bindings/clock/clk-qpnp-div.txt new file mode 100644 index 000000000000..03b7b70d7f7e --- /dev/null +++ b/Documentation/devicetree/bindings/clock/clk-qpnp-div.txt @@ -0,0 +1,52 @@ +Qualcomm Technologies, Inc. QPNP 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. + +======================= +Supported Properties +======================= + +- compatible + Usage: required + Value type: <string> + Definition: should be "qcom,qpnp-clkdiv". + +- reg + Usage: required + Value type: <prop-encoded-array> + Definition: Addresses and sizes for the memory of this CLKDIV + peripheral. + +- qcom,cxo-freq + Usage: required + Value type: <u32> + Definition: The frequency of the crystal oscillator (CXO) clock in Hz. + +- qcom,clkdiv-id + Usage: required + Value type: <u32> + Definition: Integer value specifies the hardware identifier of this + CLKDIV peripheral. + +- qcom,clkdiv-init-freq + Usage: optional + Value type: <u32> + Definition: Initial output frequency in Hz to configure for the CLKDIV + peripheral. The initial frequency value should be less than + or equal to CXO clock frequency and greater than or equal to + CXO_freq/64. + +======= +Example +======= + +qcom,clkdiv@5b00 { + compatible = "qcom,qpnp-clkdiv"; + reg = <0x5b00 0x100>; + + qcom,cxo-freq = <19200000>; + qcom,clkdiv-id = <1>; + qcom,clkdiv-init-freq = <9600000>; +}; |