xref: /linux/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.yaml (revision a4eb44a6435d6d8f9e642407a4a06f65eb90ca04) 
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
7title: Rockchip Successive Approximation Register (SAR) A/D Converter
8
9maintainers:
10  - Heiko Stuebner <heiko@sntech.de>
11
12properties:
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,rk3568-saradc
24              - rockchip,rv1108-saradc
25          - const: rockchip,rk3399-saradc
26
27  reg:
28    maxItems: 1
29
30  interrupts:
31    maxItems: 1
32
33  clocks:
34    items:
35      - description: converter clock
36      - description: peripheral clock
37
38  clock-names:
39    items:
40      - const: saradc
41      - const: apb_pclk
42
43  resets:
44    maxItems: 1
45
46  reset-names:
47    const: saradc-apb
48
49  vref-supply:
50    description:
51      The regulator supply for the ADC reference voltage.
52
53  "#io-channel-cells":
54    const: 1
55
56required:
57  - compatible
58  - reg
59  - interrupts
60  - clocks
61  - clock-names
62  - vref-supply
63  - "#io-channel-cells"
64
65additionalProperties: false
66
67examples:
68  - |
69    #include <dt-bindings/clock/rk3288-cru.h>
70    #include <dt-bindings/interrupt-controller/arm-gic.h>
71    saradc: saradc@2006c000 {
72      compatible = "rockchip,saradc";
73      reg = <0x2006c000 0x100>;
74      interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>;
75      clocks = <&cru SCLK_SARADC>, <&cru PCLK_SARADC>;
76      clock-names = "saradc", "apb_pclk";
77      resets = <&cru SRST_SARADC>;
78      reset-names = "saradc-apb";
79      vref-supply = <&vcc18>;
80      #io-channel-cells = <1>;
81    };
82