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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i2c-gpio.yaml (1981B)


      1# SPDX-License-Identifier: GPL-2.0
      2%YAML 1.2
      3---
      4$id: http://devicetree.org/schemas/i2c/i2c-gpio.yaml#
      5$schema: http://devicetree.org/meta-schemas/core.yaml#
      6
      7title: Bindings for GPIO bitbanged I2C
      8
      9maintainers:
     10  - Wolfram Sang <wsa@kernel.org>
     11
     12allOf:
     13  - $ref: /schemas/i2c/i2c-controller.yaml#
     14
     15properties:
     16  compatible:
     17    items:
     18      - const: i2c-gpio
     19
     20  sda-gpios:
     21    description:
     22      gpio used for the sda signal, this should be flagged as
     23      active high using open drain with (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)
     24      from <dt-bindings/gpio/gpio.h> since the signal is by definition
     25      open drain.
     26    maxItems: 1
     27
     28  scl-gpios:
     29    description:
     30      gpio used for the scl signal, this should be flagged as
     31      active high using open drain with (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)
     32      from <dt-bindings/gpio/gpio.h> since the signal is by definition
     33      open drain.
     34    maxItems: 1
     35
     36  i2c-gpio,scl-output-only:
     37    description: scl as output only
     38    type: boolean
     39
     40  i2c-gpio,delay-us:
     41    description: delay between GPIO operations (may depend on each platform)
     42
     43  i2c-gpio,timeout-ms:
     44    description: timeout to get data
     45
     46  # Deprecated properties, do not use in new device tree sources:
     47  gpios:
     48    minItems: 2
     49    maxItems: 2
     50    description: sda and scl gpio, alternative for {sda,scl}-gpios
     51
     52  i2c-gpio,sda-open-drain:
     53    type: boolean
     54    deprecated: true
     55    description: this means that something outside of our control has put
     56      the GPIO line used for SDA into open drain mode, and that something is
     57      not the GPIO chip. It is essentially an inconsistency flag.
     58
     59  i2c-gpio,scl-open-drain:
     60    type: boolean
     61    deprecated: true
     62    description: this means that something outside of our control has put the
     63      GPIO line used for SCL into open drain mode, and that something is not
     64      the GPIO chip. It is essentially an inconsistency flag.
     65
     66required:
     67  - compatible
     68  - sda-gpios
     69  - scl-gpios
     70
     71unevaluatedProperties: false
     72
     73...