32 lines
891 B
Plaintext
32 lines
891 B
Plaintext
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STMicroelectronics STM32 Factory-programmed data device tree bindings
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This represents STM32 Factory-programmed read only non-volatile area: locked
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flash, OTP, read-only HW regs... This contains various information such as:
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analog calibration data for temperature sensor (e.g. TS_CAL1, TS_CAL2),
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internal vref (VREFIN_CAL), unique device ID...
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Required properties:
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- compatible: Should be one of:
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"st,stm32f4-otp"
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"st,stm32mp15-bsec"
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- reg: Offset and length of factory-programmed area.
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- #address-cells: Should be '<1>'.
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- #size-cells: Should be '<1>'.
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Optional Data cells:
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- Must be child nodes as described in nvmem.txt.
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Example on stm32f4:
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romem: nvmem@1fff7800 {
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compatible = "st,stm32f4-otp";
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reg = <0x1fff7800 0x400>;
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#address-cells = <1>;
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#size-cells = <1>;
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/* Data cells: ts_cal1 at 0x1fff7a2c */
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ts_cal1: calib@22c {
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reg = <0x22c 0x2>;
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};
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...
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};
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