xref: /linux/Documentation/devicetree/bindings/iio/adc/nuvoton,npcm750-adc.yaml (revision 93fbff1197474d7b65e598c6f48fa82a5c334539) 
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/iio/adc/nuvoton,npcm750-adc.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Nuvoton NPCM BMC Analog to Digital Converter (ADC)
8
9maintainers:
10  - Tomer Maimon <tmaimon77@gmail.com>
11
12description:
13  The NPCM7XX ADC is a 10-bit converter and NPCM8XX ADC is a 12-bit converter,
14  both have eight channel inputs.
15
16properties:
17  compatible:
18    enum:
19      - nuvoton,npcm750-adc
20      - nuvoton,npcm845-adc
21
22  reg:
23    maxItems: 1
24
25  interrupts:
26    maxItems: 1
27    description: ADC interrupt, should be set for falling edge.
28
29  resets:
30    maxItems: 1
31
32  clocks:
33    maxItems: 1
34    description: If not provided the defulat ADC sample rate will be used.
35
36  vref-supply:
37    description: If not supplied, the internal voltage reference will be used.
38
39  "#io-channel-cells":
40    const: 1
41
42required:
43  - compatible
44  - reg
45  - interrupts
46  - resets
47
48additionalProperties: false
49
50examples:
51  - |
52    #include <dt-bindings/interrupt-controller/irq.h>
53    #include <dt-bindings/interrupt-controller/arm-gic.h>
54    #include <dt-bindings/clock/nuvoton,npcm7xx-clock.h>
55    #include <dt-bindings/reset/nuvoton,npcm7xx-reset.h>
56    soc {
57        #address-cells = <1>;
58        #size-cells = <1>;
59        adc@f000c000 {
60            compatible = "nuvoton,npcm750-adc";
61            reg = <0xf000c000 0x8>;
62            interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>;
63            clocks = <&clk NPCM7XX_CLK_ADC>;
64            resets = <&rstc NPCM7XX_RESET_IPSRST1 NPCM7XX_RESET_ADC>;
65        };
66    };
67...
68