The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/spi/marvell,mmp2-ssp.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 # Copyright 2019,2020 Lubomir Rintel <lkundrak@v3.sk>
    3 %YAML 1.2
    4 ---
    5 $id: http://devicetree.org/schemas/spi/marvell,mmp2-ssp.yaml#
    6 $schema: http://devicetree.org/meta-schemas/core.yaml#
    7 
    8 title: PXA2xx SSP SPI Controller bindings
    9 
   10 maintainers:
   11   - Lubomir Rintel <lkundrak@v3.sk>
   12 
   13 allOf:
   14   - $ref: spi-controller.yaml#
   15 
   16 properties:
   17   compatible:
   18     const: marvell,mmp2-ssp
   19 
   20   interrupts:
   21     maxItems: 1
   22 
   23   reg:
   24     maxItems: 1
   25 
   26   clocks:
   27     maxItems: 1
   28 
   29   ready-gpios:
   30     description: |
   31       GPIO used to signal a SPI master that the FIFO is filled and we're
   32       ready to service a transfer. Only useful in slave mode.
   33     maxItems: 1
   34 
   35 required:
   36   - compatible
   37   - reg
   38   - interrupts
   39   - clocks
   40 
   41 dependencies:
   42   ready-gpios: [ spi-slave ]
   43 
   44 unevaluatedProperties: false
   45 
   46 examples:
   47   - |
   48     #include <dt-bindings/clock/marvell,mmp2.h>
   49     spi@d4035000 {
   50         compatible = "marvell,mmp2-ssp";
   51         #address-cells = <1>;
   52         #size-cells = <0>;
   53         reg = <0xd4035000 0x1000>;
   54         clocks = <&soc_clocks MMP2_CLK_SSP0>;
   55         interrupts = <0>;
   56     };
   57 
   58 ...

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