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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st,stm32-spi.yaml (2429B)


      1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
      2%YAML 1.2
      3---
      4$id: http://devicetree.org/schemas/spi/st,stm32-spi.yaml#
      5$schema: http://devicetree.org/meta-schemas/core.yaml#
      6
      7title: STMicroelectronics STM32 SPI Controller bindings
      8
      9description: |
     10  The STM32 SPI controller is used to communicate with external devices using
     11  the Serial Peripheral Interface. It supports full-duplex, half-duplex and
     12  simplex synchronous serial communication with external devices. It supports
     13  from 4 to 32-bit data size.
     14
     15maintainers:
     16  - Erwan Leray <erwan.leray@foss.st.com>
     17  - Fabrice Gasnier <fabrice.gasnier@foss.st.com>
     18
     19allOf:
     20  - $ref: "spi-controller.yaml#"
     21  - if:
     22      properties:
     23        compatible:
     24          contains:
     25            const: st,stm32f4-spi
     26
     27    then:
     28      properties:
     29        st,spi-midi-ns: false
     30
     31properties:
     32  compatible:
     33    enum:
     34      - st,stm32f4-spi
     35      - st,stm32h7-spi
     36
     37  reg:
     38    maxItems: 1
     39
     40  clocks:
     41    maxItems: 1
     42
     43  interrupts:
     44    maxItems: 1
     45
     46  resets:
     47    maxItems: 1
     48
     49  dmas:
     50    description: |
     51      DMA specifiers for tx and rx dma. DMA fifo mode must be used. See
     52      the STM32 DMA bindings Documentation/devicetree/bindings/dma/st,stm32-dma.yaml.
     53    items:
     54      - description: rx DMA channel
     55      - description: tx DMA channel
     56
     57  dma-names:
     58    items:
     59      - const: rx
     60      - const: tx
     61
     62patternProperties:
     63  "^[a-zA-Z][a-zA-Z0-9,+\\-._]{0,63}@[0-9a-f]+$":
     64    type: object
     65    # SPI slave nodes must be children of the SPI master node and can
     66    # contain the following properties.
     67    properties:
     68      st,spi-midi-ns:
     69        description: |
     70          Only for STM32H7, (Master Inter-Data Idleness) minimum time
     71          delay in nanoseconds inserted between two consecutive data frames.
     72
     73required:
     74  - compatible
     75  - reg
     76  - clocks
     77  - interrupts
     78
     79unevaluatedProperties: false
     80
     81examples:
     82  - |
     83    #include <dt-bindings/interrupt-controller/arm-gic.h>
     84    #include <dt-bindings/clock/stm32mp1-clks.h>
     85    #include <dt-bindings/reset/stm32mp1-resets.h>
     86    spi@4000b000 {
     87      #address-cells = <1>;
     88      #size-cells = <0>;
     89      compatible = "st,stm32h7-spi";
     90      reg = <0x4000b000 0x400>;
     91      interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
     92      clocks = <&rcc SPI2_K>;
     93      resets = <&rcc SPI2_R>;
     94      dmas = <&dmamux1 0 39 0x400 0x05>,
     95             <&dmamux1 1 40 0x400 0x05>;
     96      dma-names = "rx", "tx";
     97      cs-gpios = <&gpioa 11 0>;
     98
     99    };
    100
    101...