Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
71 lines
1.5 KiB
YAML
71 lines
1.5 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/eeprom/microchip,93lc46b.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Microchip 93xx46 SPI compatible EEPROM family
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maintainers:
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- Cory Tusar <cory.tusar@pid1solutions.com>
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properties:
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compatible:
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enum:
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- atmel,at93c46
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- atmel,at93c46d
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- atmel,at93c56
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- atmel,at93c66
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- eeprom-93xx46
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- microchip,93lc46b
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data-size:
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description: number of data bits per word
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$ref: /schemas/types.yaml#/definitions/uint32
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enum: [8, 16]
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reg:
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description: chip select of EEPROM
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maxItems: 1
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read-only:
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description:
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parameter-less property which disables writes to the EEPROM
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type: boolean
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select-gpios:
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description:
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specifies the GPIO that needs to be asserted prior to each access
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of EEPROM (e.g. for SPI bus multiplexing)
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maxItems: 1
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required:
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- compatible
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- reg
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- data-size
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- spi-max-frequency
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allOf:
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- $ref: /schemas/spi/spi-peripheral-props.yaml#
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- $ref: /schemas/nvmem/nvmem.yaml
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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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eeprom@0 {
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compatible = "eeprom-93xx46";
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reg = <0>;
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spi-max-frequency = <1000000>;
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spi-cs-high;
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data-size = <8>;
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select-gpios = <&gpio4 4 GPIO_ACTIVE_HIGH>;
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};
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};
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