cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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davinci-mcasp-audio.yaml (4354B)


      1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
      2%YAML 1.2
      3---
      4$id: http://devicetree.org/schemas/sound/davinci-mcasp-audio.yaml#
      5$schema: http://devicetree.org/meta-schemas/core.yaml#
      6
      7title: McASP Controller for TI SoCs
      8
      9maintainers:
     10  - Jayesh Choudhary <j-choudhary@ti.com>
     11
     12properties:
     13  compatible:
     14    enum:
     15      - ti,dm646x-mcasp-audio
     16      - ti,da830-mcasp-audio
     17      - ti,am33xx-mcasp-audio
     18      - ti,dra7-mcasp-audio
     19      - ti,omap4-mcasp-audio
     20
     21  reg:
     22    minItems: 1
     23    items:
     24      - description: CFG registers
     25      - description: data registers
     26
     27  reg-names:
     28    minItems: 1
     29    items:
     30      - const: mpu
     31      - const: dat
     32
     33  op-mode:
     34    $ref: /schemas/types.yaml#/definitions/uint32
     35    description: 0 - I2S or 1 - DIT operation mode
     36    enum:
     37      - 0
     38      - 1
     39
     40  tdm-slots:
     41    $ref: /schemas/types.yaml#/definitions/uint32
     42    description:
     43      number of channels over one serializer
     44      the property is ignored in DIT mode
     45    minimum: 2
     46    maximum: 32
     47
     48  serial-dir:
     49    description:
     50      A list of serializer configuration
     51      Entry is indication for serializer pin direction
     52      0 - Inactive, 1 - TX, 2 - RX
     53      All AXR pins should be present in the array even if inactive
     54    $ref: /schemas/types.yaml#/definitions/uint32-array
     55    minItems: 1
     56    maxItems: 25
     57    items:
     58      minimum: 0
     59      maximum: 2
     60
     61  dmas:
     62    minItems: 1
     63    items:
     64      - description: transmission DMA channel
     65      - description: reception DMA channel
     66
     67  dma-names:
     68    minItems: 1
     69    items:
     70      - const: tx
     71      - const: rx
     72
     73  ti,hwmods:
     74    $ref: /schemas/types.yaml#/definitions/string
     75    description: Name of hwmod associated with McASP
     76    maxItems: 1
     77    deprecated: true
     78
     79  tx-num-evt:
     80    $ref: /schemas/types.yaml#/definitions/uint32
     81    description:
     82      configures WFIFO threshold
     83      0 disables the FIFO use
     84      if property is missing, then also FIFO use is disabled
     85
     86  rx-num-evt:
     87    $ref: /schemas/types.yaml#/definitions/uint32
     88    description:
     89      configures RFIFO threshold
     90      0 disables the FIFO use
     91      if property is missing, then also FIFO use is disabled
     92
     93  dismod:
     94    $ref: /schemas/types.yaml#/definitions/uint32
     95    description:
     96      specify the drive on TX pin during inactive time slots
     97      0 - 3-state, 2 - logic low, 3 - logic high
     98    enum:
     99      - 0
    100      - 2
    101      - 3
    102    default: 2
    103
    104  interrupts:
    105    anyOf:
    106      - minItems: 1
    107        items:
    108          - description: TX interrupt
    109          - description: RX interrupt
    110      - items:
    111          - description: common/combined interrupt
    112
    113  interrupt-names:
    114    oneOf:
    115      - minItems: 1
    116        items:
    117          - const: tx
    118          - const: rx
    119      - const: common
    120
    121  fck_parent:
    122    $ref: /schemas/types.yaml#/definitions/string
    123    description: parent clock name for McASP fck
    124    maxItems: 1
    125
    126  auxclk-fs-ratio:
    127    $ref: /schemas/types.yaml#/definitions/uint32
    128    description: ratio of AUCLK and FS rate if applicable
    129
    130  gpio-controller: true
    131
    132  "#gpio-cells":
    133    const: 2
    134
    135  clocks:
    136    minItems: 1
    137    items:
    138      - description: functional clock
    139      - description: module specific optional ahclkx clock
    140      - description: module specific optional ahclkr clock
    141
    142  clock-names:
    143    minItems: 1
    144    items:
    145      - const: fck
    146      - const: ahclkx
    147      - const: ahclkr
    148
    149  power-domains:
    150    description: phandle to the corresponding power-domain
    151    maxItems: 1
    152
    153  "#sound-dai-cells":
    154    const: 0
    155
    156  port:
    157    description: connection for when McASP is used via graph card
    158    type: object
    159
    160required:
    161  - compatible
    162  - reg
    163  - reg-names
    164  - dmas
    165  - dma-names
    166  - interrupts
    167  - interrupt-names
    168
    169allOf:
    170  - if:
    171      properties:
    172        opmode:
    173          enum:
    174            - 0
    175
    176    then:
    177      required:
    178        - tdm-slots
    179
    180additionalProperties: false
    181
    182examples:
    183  - |
    184    mcasp0: mcasp0@1d00000 {
    185      compatible = "ti,da830-mcasp-audio";
    186      reg = <0x100000 0x3000>;
    187      reg-names = "mpu";
    188      interrupts = <82>, <83>;
    189      interrupt-names = "tx", "rx";
    190      op-mode = <0>;		/* MCASP_IIS_MODE */
    191      tdm-slots = <2>;
    192      dmas = <&main_udmap 0xc400>, <&main_udmap 0x4400>;
    193      dma-names = "tx", "rx";
    194      serial-dir = <
    195          0 0 0 0	/* 0: INACTIVE, 1: TX, 2: RX */
    196          0 0 0 0
    197          0 0 0 1
    198          2 0 0 0 >;
    199      tx-num-evt = <1>;
    200      rx-num-evt = <1>;
    201    };