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Diffstat (limited to 'Documentation/devicetree/bindings/soc/qcom/qfprom.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/soc/qcom/qfprom.txt | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/soc/qcom/qfprom.txt b/Documentation/devicetree/bindings/soc/qcom/qfprom.txt new file mode 100644 index 000000000000..3ed73090ad09 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/qcom/qfprom.txt @@ -0,0 +1,29 @@ +QCOM QFPROM + +QFPROM is basically some efuses where things like calibration data, speed bins, +etc are stored. This data is accessed by various drivers like the cpufreq, +thermal, etc. + +Required properties: +- compatible: must contain "qcom,qfprom" followed by "syscon" +- reg: Address range for QFPROM +- stride : register address stride. + 1 for byte. + 2 for 2 bytes + 3 for 3 bytes + 4 for a word. + + +Example: + qfprom: qfprom@00700000 { + compatible = "qcom,qfprom", "syscon"; + reg = <0x00700000 0x1000>; + stride = <1>; + }; + + tsens@34000 { + compatible = "qcom,tsens-apq8064"; + reg = <0x34000 0x1000>; + qcom,qfprom = <&qfprom 0x18 0x10>, <&qfprom 0x28 0x10>; + qcom,qfprom-names = "calib", "backup_calib"; + }; |