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dt-bindings: mtd: spi-nor: Add reset-gpios property
SPI-NOR flashes have RESET pin which can be toggled using GPIO controller, for those platforms reset-gpios property can be used to reset the flash device. Signed-off-by: Sai Krishna Potthuri <sai.krishna.potthuri@amd.com> Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20220908064428.2962-2-sai.krishna.potthuri@amd.com
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@ -70,6 +70,12 @@ properties:
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be used on such systems, to denote the absence of a reliable reset
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mechanism.
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reset-gpios:
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description:
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A GPIO line connected to the RESET (active low) signal of the device.
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If "broken-flash-reset" is present then having this property does not
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make any difference.
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partitions:
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type: object
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@ -88,6 +94,7 @@ unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/gpio/gpio.h>
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spi {
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#address-cells = <1>;
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#size-cells = <0>;
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@ -97,6 +104,7 @@ examples:
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reg = <0>;
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spi-max-frequency = <40000000>;
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m25p,fast-read;
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reset-gpios = <&gpio 12 GPIO_ACTIVE_LOW>;
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};
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};
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...
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