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
7 title: Nuvoton NPCM BMC Analog to Digital Converter (ADC)
8
9 maintainers:
10 - Tomer Maimon <tmaimon77@gmail.com>
11
12 description:
13 The NPCM7XX ADC is a 10-bit converter and NPCM8XX ADC is a 12-bit converter,
14 both have eight channel inputs.
15
16 properties:
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
42 required:
43 - compatible
44 - reg
45 - interrupts
46 - resets
47
48 additionalProperties: false
49
50 examples:
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 ...
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