atmel,quadspi.yaml

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    1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/spi/atmel,quadspi.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Atmel Quad Serial Peripheral Interface (QSPI)
    8 
    9 maintainers:
   10   - Tudor Ambarus <tudor.ambarus@microchip.com>
   11 
   12 allOf:
   13   - $ref: spi-controller.yaml#
   14 
   15 properties:
   16   compatible:
   17     enum:
   18       - atmel,sama5d2-qspi
   19       - microchip,sam9x60-qspi
   20       - microchip,sama7g5-qspi
   21       - microchip,sama7g5-ospi
   22 
   23   reg:
   24     items:
   25       - description: base registers
   26       - description: mapped memory
   27 
   28   reg-names:
   29     items:
   30       - const: qspi_base
   31       - const: qspi_mmap
   32 
   33   clocks:
   34     minItems: 1
   35     items:
   36       - description: peripheral clock
   37       - description: system clock or generic clock, if available
   38 
   39   clock-names:
   40     minItems: 1
   41     items:
   42       - const: pclk
   43       - enum: [ qspick, gclk ]
   44 
   45   interrupts:
   46     maxItems: 1
   47 
   48   dmas:
   49     items:
   50       - description: tx DMA channel
   51       - description: rx DMA channel
   52 
   53   dma-names:
   54     items:
   55       - const: tx
   56       - const: rx
   57 
   58   '#address-cells':
   59     const: 1
   60 
   61   '#size-cells':
   62     const: 0
   63 
   64 required:
   65   - compatible
   66   - reg
   67   - reg-names
   68   - interrupts
   69   - clocks
   70   - clock-names
   71   - '#address-cells'
   72   - '#size-cells'
   73 
   74 unevaluatedProperties: false
   75 
   76 examples:
   77   - |
   78     #include <dt-bindings/interrupt-controller/irq.h>
   79     #include <dt-bindings/clock/at91.h>
   80     spi@f0020000 {
   81         compatible = "atmel,sama5d2-qspi";
   82         reg = <0xf0020000 0x100>, <0xd0000000 0x8000000>;
   83         reg-names = "qspi_base", "qspi_mmap";
   84         interrupts = <52 IRQ_TYPE_LEVEL_HIGH 7>;
   85         clocks = <&pmc PMC_TYPE_PERIPHERAL 52>;
   86         clock-names = "pclk";
   87         #address-cells = <1>;
   88         #size-cells = <0>;
   89         pinctrl-names = "default";
   90         pinctrl-0 = <&pinctrl_spi0_default>;
   91 
   92         flash@0 {
   93             compatible = "jedec,spi-nor";
   94             spi-max-frequency = <50000000>;
   95             reg = <0>;
   96             spi-rx-bus-width = <4>;
   97             spi-tx-bus-width = <4>;
   98         };
   99     };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/spi/atmel,quadspi.yaml

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sys/contrib/device-tree/Bindings/spi/atmel,quadspi.yaml