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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ti,trf7970a.yaml (2301B)

      1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
      2%YAML 1.2
      3---
      4$id: http://devicetree.org/schemas/net/nfc/ti,trf7970a.yaml#
      5$schema: http://devicetree.org/meta-schemas/core.yaml#
      6
      7title: Texas Instruments TRF7970A RFID/NFC/15693 Transceiver
      8
      9maintainers:
     10  - Krzysztof Kozlowski <krzk@kernel.org>
     11  - Mark Greer <mgreer@animalcreek.com>
     12
     13properties:
     14  compatible:
     15    const: ti,trf7970a
     16
     17  autosuspend-delay:
     18    $ref: /schemas/types.yaml#/definitions/uint32
     19    description: |
     20      Specify autosuspend delay in milliseconds.
     21
     22  clock-frequency:
     23    description: |
     24      Set to specify that the input frequency to the trf7970a is 13560000Hz or
     25      27120000Hz
     26
     27  en2-rf-quirk:
     28    type: boolean
     29    description: |
     30      Specify that the trf7970a being used has the "EN2 RF" erratum
     31
     32  interrupts:
     33    maxItems: 1
     34
     35  irq-status-read-quirk:
     36    type: boolean
     37    description: |
     38      Specify that the trf7970a being used has the "IRQ Status Read" erratum
     39
     40  reg:
     41    maxItems: 1
     42
     43  spi-max-frequency: true
     44
     45  ti,enable-gpios:
     46    minItems: 1
     47    maxItems: 2
     48    description: |
     49      One or two GPIO entries used for 'EN' and 'EN2' pins on the TRF7970A. EN2
     50      is optional.
     51
     52  vdd-io-supply:
     53    description: |
     54      Regulator specifying voltage for VDD-IO
     55
     56  vin-supply:
     57    description: |
     58      Regulator for supply voltage to VIN pin
     59
     60required:
     61  - compatible
     62  - interrupts
     63  - reg
     64  - spi-max-frequency
     65  - ti,enable-gpios
     66  - vin-supply
     67
     68additionalProperties: false
     69
     70examples:
     71  - |
     72    #include <dt-bindings/gpio/gpio.h>
     73    #include <dt-bindings/interrupt-controller/irq.h>
     74
     75    i2c {
     76        #address-cells = <1>;
     77        #size-cells = <0>;
     78
     79        nfc@0 {
     80            compatible = "ti,trf7970a";
     81            reg = <0>;
     82
     83            pinctrl-names = "default";
     84            pinctrl-0 = <&trf7970a_default>;
     85            spi-max-frequency = <2000000>;
     86            interrupt-parent = <&gpio2>;
     87            interrupts = <14 0>;
     88
     89            ti,enable-gpios = <&gpio2 2 GPIO_ACTIVE_HIGH>,
     90                              <&gpio2 5 GPIO_ACTIVE_HIGH>;
     91            vin-supply = <&ldo3_reg>;
     92            vdd-io-supply = <&ldo2_reg>;
     93            autosuspend-delay = <30000>;
     94            irq-status-read-quirk;
     95            en2-rf-quirk;
     96            clock-frequency = <27120000>;
     97        };
     98    };