Documentation/devicetree/bindings/iio/adc/sprd,sc2720-adc.yaml

   1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/iio/adc/sprd,sc2720-adc.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Spreadtrum SC27XX series PMICs ADC
   8
   9 maintainers:
  10   - Baolin Wang <baolin.wang7@gmail.com>
  11
  12 description:
  13   Supports the ADC found on these PMICs.
  14
  15 properties:
  16   compatible:
  17     enum:
  18       - sprd,sc2720-adc
  19       - sprd,sc2721-adc
  20       - sprd,sc2723-adc
  21       - sprd,sc2730-adc
  22       - sprd,sc2731-adc
  23       - sprd,ump9620-adc
  24
  25   reg:
  26     maxItems: 1
  27
  28   interrupts:
  29     maxItems: 1
  30
  31   "#io-channel-cells":
  32     const: 1
  33
  34   hwlocks:
  35     maxItems: 1
  36
  37   nvmem-cells: true
  38
  39   nvmem-cell-names: true
  40
  41 allOf:
  42   - if:
  43       not:
  44         properties:
  45           compatible:
  46             contains:
  47               enum:
  48                 - sprd,ump9620-adc
  49     then:
  50       properties:
  51         nvmem-cells:
  52           maxItems: 2
  53         nvmem-cell-names:
  54           items:
  55             - const: big_scale_calib
  56             - const: small_scale_calib
  57
  58     else:
  59       properties:
  60         nvmem-cells:
  61           maxItems: 6
  62         nvmem-cell-names:
  63           items:
  64             - const: big_scale_calib1
  65             - const: big_scale_calib2
  66             - const: small_scale_calib1
  67             - const: small_scale_calib2
  68             - const: vbat_det_cal1
  69             - const: vbat_det_cal2
  70
  71 required:
  72   - compatible
  73   - reg
  74   - interrupts
  75   - "#io-channel-cells"
  76   - hwlocks
  77   - nvmem-cells
  78   - nvmem-cell-names
  79
  80 additionalProperties: false
  81
  82 examples:
  83   - |
  84     #include <dt-bindings/interrupt-controller/irq.h>
  85     pmic {
  86         #address-cells = <1>;
  87         #size-cells = <0>;
  88         adc@480 {
  89             compatible = "sprd,sc2731-adc";
  90             reg = <0x480>;
  91             interrupt-parent = <&sc2731_pmic>;
  92             interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
  93             #io-channel-cells = <1>;
  94             hwlocks = <&hwlock 4>;
  95             nvmem-cells = <&adc_big_scale>, <&adc_small_scale>;
  96             nvmem-cell-names = "big_scale_calib", "small_scale_calib";
  97         };
  98     };
  99
 100   - |
 101     #include <dt-bindings/interrupt-controller/irq.h>
 102     pmic {
 103         #address-cells = <1>;
 104         #size-cells = <0>;
 105         adc@504 {
 106             compatible = "sprd,ump9620-adc";
 107             reg = <0x504>;
 108             interrupt-parent = <&ump9620_pmic>;
 109             interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
 110             #io-channel-cells = <1>;
 111             hwlocks = <&hwlock 4>;
 112             nvmem-cells = <&adc_bcal1>, <&adc_bcal2>,
 113                           <&adc_scal1>, <&adc_scal2>,
 114                           <&vbat_det_cal1>, <&vbat_det_cal2>;
 115             nvmem-cell-names = "big_scale_calib1", "big_scale_calib2",
 116                                "small_scale_calib1", "small_scale_calib2",
 117                                "vbat_det_cal1", "vbat_det_cal2";
 118         };
 119     };
 120 ...