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 ...
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