Documentation/devicetree/bindings/iio/adc/rockchip-saradc.yaml

   1 # SPDX-License-Identifier: GPL-2.0
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/iio/adc/rockchip-saradc.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Rockchip Successive Approximation Register (SAR) A/D Converter
   8
   9 maintainers:
  10   - Heiko Stuebner <heiko@sntech.de>
  11
  12 properties:
  13   compatible:
  14     oneOf:
  15       - const: rockchip,saradc
  16       - const: rockchip,rk3066-tsadc
  17       - const: rockchip,rk3399-saradc
  18       - items:
  19           - enum:
  20               - rockchip,px30-saradc
  21               - rockchip,rk3308-saradc
  22               - rockchip,rk3328-saradc
  23               - rockchip,rv1108-saradc
  24           - const: rockchip,rk3399-saradc
  25
  26   reg:
  27     maxItems: 1
  28
  29   interrupts:
  30     maxItems: 1
  31
  32   clocks:
  33     items:
  34       - description: converter clock
  35       - description: peripheral clock
  36
  37   clock-names:
  38     items:
  39       - const: saradc
  40       - const: apb_pclk
  41
  42   resets:
  43     maxItems: 1
  44
  45   reset-names:
  46     const: saradc-apb
  47
  48   vref-supply:
  49     description:
  50       The regulator supply for the ADC reference voltage.
  51
  52   "#io-channel-cells":
  53     const: 1
  54
  55 required:
  56   - compatible
  57   - reg
  58   - interrupts
  59   - clocks
  60   - clock-names
  61   - vref-supply
  62   - "#io-channel-cells"
  63
  64 additionalProperties: false
  65
  66 examples:
  67   - |
  68     #include <dt-bindings/clock/rk3288-cru.h>
  69     #include <dt-bindings/interrupt-controller/arm-gic.h>
  70     saradc: saradc@2006c000 {
  71       compatible = "rockchip,saradc";
  72       reg = <0x2006c000 0x100>;
  73       interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>;
  74       clocks = <&cru SCLK_SARADC>, <&cru PCLK_SARADC>;
  75       clock-names = "saradc", "apb_pclk";
  76       resets = <&cru SRST_SARADC>;
  77       reset-names = "saradc-apb";
  78       vref-supply = <&vcc18>;
  79       #io-channel-cells = <1>;
  80     };