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Diffstat (limited to 'dts/Bindings/nvmem/nvmem.yaml')
| -rw-r--r-- | dts/Bindings/nvmem/nvmem.yaml | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/dts/Bindings/nvmem/nvmem.yaml b/dts/Bindings/nvmem/nvmem.yaml index 1c75a05920..b43c6c6529 100644 --- a/dts/Bindings/nvmem/nvmem.yaml +++ b/dts/Bindings/nvmem/nvmem.yaml @@ -34,6 +34,14 @@ properties: description: Mark the provider as read only. + wp-gpios: + description: + GPIO to which the write-protect pin of the chip is connected. + The write-protect GPIO is asserted, when it's driven high + (logical '1') to block the write operation. It's deasserted, + when it's driven low (logical '0') to allow writing. + maxItems: 1 + patternProperties: "^.*@[0-9a-f]+$": type: object @@ -63,9 +71,12 @@ patternProperties: examples: - | + #include <dt-bindings/gpio/gpio.h> + qfprom: eeprom@700000 { #address-cells = <1>; #size-cells = <1>; + wp-gpios = <&gpio1 3 GPIO_ACTIVE_HIGH>; /* ... */ |