cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

at24.yaml (5444B)

      1# SPDX-License-Identifier: GPL-2.0-only
      2# Copyright 2019 BayLibre SAS
      3%YAML 1.2
      4---
      5$id: "http://devicetree.org/schemas/eeprom/at24.yaml#"
      6$schema: "http://devicetree.org/meta-schemas/core.yaml#"
      7
      8title: I2C EEPROMs compatible with Atmel's AT24
      9
     10maintainers:
     11  - Bartosz Golaszewski <bgolaszewski@baylibre.com>
     12
     13select:
     14  properties:
     15    compatible:
     16      contains:
     17        pattern: "^atmel,(24(c|cs|mac)[0-9]+|spd)$"
     18  required:
     19    - compatible
     20
     21properties:
     22  $nodename:
     23    pattern: "^eeprom@[0-9a-f]{1,2}$"
     24
     25  # There are multiple known vendors who manufacture EEPROM chips compatible
     26  # with Atmel's AT24. The compatible string requires either a single item
     27  # if the memory comes from Atmel (in which case the vendor part must be
     28  # 'atmel') or two items with the same 'model' part where the vendor part of
     29  # the first one is the actual manufacturer and the second item is the
     30  # corresponding 'atmel,<model>' from Atmel.
     31  compatible:
     32    oneOf:
     33      - allOf:
     34          - minItems: 1
     35            items:
     36              - pattern: "^(atmel|catalyst|microchip|nxp|ramtron|renesas|rohm|st),(24(c|cs|lc|mac)[0-9]+|spd)$"
     37              - pattern: "^atmel,(24(c|cs|mac)[0-9]+|spd)$"
     38          - oneOf:
     39              - items:
     40                  pattern: c00$
     41              - items:
     42                  pattern: c01$
     43              - items:
     44                  pattern: cs01$
     45              - items:
     46                  pattern: c02$
     47              - items:
     48                  pattern: cs02$
     49              - items:
     50                  pattern: mac402$
     51              - items:
     52                  pattern: mac602$
     53              - items:
     54                  pattern: c04$
     55              - items:
     56                  pattern: cs04$
     57              - items:
     58                  pattern: c08$
     59              - items:
     60                  pattern: cs08$
     61              - items:
     62                  pattern: c16$
     63              - items:
     64                  pattern: cs16$
     65              - items:
     66                  pattern: c32$
     67              - items:
     68                  pattern: cs32$
     69              - items:
     70                  pattern: c64$
     71              - items:
     72                  pattern: cs64$
     73              - items:
     74                  pattern: c128$
     75              - items:
     76                  pattern: cs128$
     77              - items:
     78                  pattern: c256$
     79              - items:
     80                  pattern: cs256$
     81              - items:
     82                  pattern: c512$
     83              - items:
     84                  pattern: cs512$
     85              - items:
     86                  pattern: c1024$
     87              - items:
     88                  pattern: cs1024$
     89              - items:
     90                  pattern: c1025$
     91              - items:
     92                  pattern: cs1025$
     93              - items:
     94                  pattern: c2048$
     95              - items:
     96                  pattern: cs2048$
     97              - items:
     98                  pattern: spd$
     99      # These are special cases that don't conform to the above pattern.
    100      # Each requires a standard at24 model as fallback.
    101      - items:
    102          - enum:
    103              - rohm,br24g01
    104              - rohm,br24t01
    105          - const: atmel,24c01
    106      - items:
    107          - enum:
    108              - nxp,se97b
    109              - renesas,r1ex24002
    110          - const: atmel,24c02
    111      - items:
    112          - enum:
    113              - onnn,cat24c04
    114              - onnn,cat24c05
    115          - const: atmel,24c04
    116      - items:
    117          - const: renesas,r1ex24016
    118          - const: atmel,24c16
    119      - items:
    120          - const: giantec,gt24c32a
    121          - const: atmel,24c32
    122      - items:
    123          - enum:
    124              - renesas,r1ex24128
    125              - samsung,s524ad0xd1
    126          - const: atmel,24c128
    127
    128  label:
    129    description: Descriptive name of the EEPROM.
    130
    131  reg:
    132    maxItems: 1
    133
    134  pagesize:
    135    description:
    136      The length of the pagesize for writing. Please consult the
    137      manual of your device, that value varies a lot. A wrong value
    138      may result in data loss! If not specified, a safety value of
    139      '1' is used which will be very slow.
    140    $ref: /schemas/types.yaml#/definitions/uint32
    141    enum: [1, 8, 16, 32, 64, 128, 256]
    142    default: 1
    143
    144  read-only:
    145    $ref: /schemas/types.yaml#/definitions/flag
    146    description:
    147      Disables writes to the eeprom.
    148
    149  size:
    150    $ref: /schemas/types.yaml#/definitions/uint32
    151    description:
    152      Total eeprom size in bytes.
    153
    154  no-read-rollover:
    155    $ref: /schemas/types.yaml#/definitions/flag
    156    description:
    157      Indicates that the multi-address eeprom does not automatically roll
    158      over reads to the next slave address. Please consult the manual of
    159      your device.
    160
    161  wp-gpios: true
    162
    163  address-width:
    164    description:
    165      Number of address bits.
    166    $ref: /schemas/types.yaml#/definitions/uint32
    167    default: 8
    168    enum: [ 8, 16 ]
    169
    170  num-addresses:
    171    description:
    172      Total number of i2c slave addresses this device takes.
    173    $ref: /schemas/types.yaml#/definitions/uint32
    174    default: 1
    175    minimum: 1
    176    maximum: 8
    177
    178  vcc-supply:
    179    description:
    180      phandle of the regulator that provides the supply voltage.
    181
    182required:
    183  - compatible
    184  - reg
    185
    186additionalProperties: false
    187
    188examples:
    189  - |
    190    i2c {
    191      #address-cells = <1>;
    192      #size-cells = <0>;
    193
    194      eeprom@52 {
    195          compatible = "microchip,24c32", "atmel,24c32";
    196          reg = <0x52>;
    197          pagesize = <32>;
    198          wp-gpios = <&gpio1 3 0>;
    199          num-addresses = <8>;
    200      };
    201    };
    202...