Bindings/spi/renesas,rzv2m-csi.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/spi/renesas,rzv2m-csi.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Renesas RZ/V2M Clocked Serial Interface (CSI)
   8
   9 maintainers:
  10   - Fabrizio Castro <[email protected]>
  11   - Geert Uytterhoeven <[email protected]>
  12
  13 allOf:
  14   - $ref: spi-controller.yaml#
  15
  16 properties:
  17   compatible:
  18     const: renesas,rzv2m-csi
  19
  20   reg:
  21     maxItems: 1
  22
  23   interrupts:
  24     maxItems: 1
  25
  26   clocks:
  27     items:
  28       - description: The clock used to generate the output clock (CSICLK)
  29       - description: Internal clock to access the registers (PCLK)
  30
  31   clock-names:
  32     items:
  33       - const: csiclk
  34       - const: pclk
  35
  36   resets:
  37     maxItems: 1
  38
  39   power-domains:
  40     maxItems: 1
  41
  42   renesas,csi-no-ss:
  43     type: boolean
  44     description:
  45       The CSI Slave Selection (SS) pin won't be used to enable transmission and
  46       reception. Only available when in target mode.
  47
  48 required:
  49   - compatible
  50   - reg
  51   - interrupts
  52   - clocks
  53   - clock-names
  54   - resets
  55   - power-domains
  56   - '#address-cells'
  57   - '#size-cells'
  58
  59 dependencies:
  60   renesas,csi-no-ss: [ spi-slave ]
  61
  62 unevaluatedProperties: false
  63
  64 examples:
  65   - |
  66     #include <dt-bindings/interrupt-controller/arm-gic.h>
  67     #include <dt-bindings/clock/r9a09g011-cpg.h>
  68     csi4: spi@a4020200 {
  69         compatible = "renesas,rzv2m-csi";
  70         reg = <0xa4020200 0x80>;
  71         interrupts = <GIC_SPI 230 IRQ_TYPE_LEVEL_HIGH>;
  72         clocks = <&cpg CPG_MOD R9A09G011_CSI4_CLK>,
  73                  <&cpg CPG_MOD R9A09G011_CPERI_GRPH_PCLK>;
  74         clock-names = "csiclk", "pclk";
  75         resets = <&cpg R9A09G011_CSI_GPH_PRESETN>;
  76         power-domains = <&cpg>;
  77         #address-cells = <1>;
  78         #size-cells = <0>;
  79     };