Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
dt-bindings: iio: dac: add docs for ad8460
This adds the bindings documentation for the 14-bit
High Voltage, High Current, Waveform Generator
Digital-to-Analog converter.
Signed-off-by: Mariel Tinaco <Mariel.Tinaco@analog.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://patch.msgid.link/20240912095435.18639-2-Mariel.Tinaco@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
authored by
Mariel Tinaco
and committed by
Jonathan Cameron
e3a2d565
b69f4745
+171
+164
Documentation/devicetree/bindings/iio/dac/adi,ad8460.yaml
+164
Documentation/devicetree/bindings/iio/dac/adi,ad8460.yaml
···
1
+
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2
+
# Copyright 2024 Analog Devices Inc.
3
+
%YAML 1.2
4
+
---
5
+
$id: http://devicetree.org/schemas/iio/dac/adi,ad8460.yaml#
6
+
$schema: http://devicetree.org/meta-schemas/core.yaml#
7
+
8
+
title: Analog Devices AD8460 DAC
9
+
10
+
maintainers:
11
+
- Mariel Tinaco <mariel.tinaco@analog.com>
12
+
13
+
description: |
14
+
Analog Devices AD8460 110 V High Voltage, 1 A High Current,
15
+
Arbitrary Waveform Generator with Integrated 14-Bit High Speed DAC
16
+
https://www.analog.com/media/en/technical-documentation/data-sheets/ad8460.pdf
17
+
18
+
properties:
19
+
compatible:
20
+
enum:
21
+
- adi,ad8460
22
+
23
+
reg:
24
+
maxItems: 1
25
+
26
+
clocks:
27
+
maxItems: 1
28
+
29
+
dmas:
30
+
maxItems: 1
31
+
32
+
dma-names:
33
+
items:
34
+
- const: tx
35
+
36
+
spi-max-frequency:
37
+
maximum: 20000000
38
+
39
+
hvcc-supply:
40
+
description: Positive high voltage power supply line
41
+
42
+
hvee-supply:
43
+
description: Negative high voltage power supply line
44
+
45
+
vcc-5v-supply:
46
+
description: Low voltage power supply
47
+
48
+
vref-5v-supply:
49
+
description: Reference voltage for analog low voltage
50
+
51
+
dvdd-3p3v-supply:
52
+
description: Digital supply bypass
53
+
54
+
avdd-3p3v-supply:
55
+
description: Analog supply bypass
56
+
57
+
refio-1p2v-supply:
58
+
description: Drive voltage in the range of 1.2V maximum to as low as
59
+
low as 0.12V through the REF_IO pin to adjust full scale output span
60
+
61
+
adi,external-resistor-ohms:
62
+
description: Specify value of external resistor connected to FS_ADJ pin
63
+
to establish internal HVDAC's reference current I_REF
64
+
minimum: 2000
65
+
maximum: 20000
66
+
default: 2000
67
+
68
+
adi,range-microvolt:
69
+
description: Voltage output range specified as <minimum, maximum>
70
+
items:
71
+
- minimum: -55000000
72
+
maximum: 0
73
+
default: 0
74
+
- minimum: 0
75
+
maximum: 55000000
76
+
default: 0
77
+
78
+
adi,range-microamp:
79
+
description: Current output range specified as <minimum, maximum>
80
+
items:
81
+
- minimum: -1000000
82
+
maximum: 0
83
+
default: 0
84
+
- minimum: 0
85
+
maximum: 1000000
86
+
default: 0
87
+
88
+
adi,max-millicelsius:
89
+
description: Overtemperature threshold
90
+
minimum: 0
91
+
maximum: 150000
92
+
default: 0
93
+
94
+
shutdown-reset-gpios:
95
+
description: Corresponds to SDN_RESET pin. To exit shutdown
96
+
or sleep mode, pulse SDN_RESET HIGH, then leave LOW.
97
+
maxItems: 1
98
+
99
+
reset-gpios:
100
+
description: Manual Power On Reset (POR). Pull this GPIO pin
101
+
LOW and then HIGH to reset all digital registers to default
102
+
maxItems: 1
103
+
104
+
shutdown-gpios:
105
+
description: Corresponds to SDN_IO pin. Shutdown may be
106
+
initiated by the user, by pulsing SDN_IO high. To exit shutdown,
107
+
pulse SDN_IO low, then float.
108
+
maxItems: 1
109
+
110
+
required:
111
+
- compatible
112
+
- reg
113
+
- clocks
114
+
- hvcc-supply
115
+
- hvee-supply
116
+
- vcc-5v-supply
117
+
- vref-5v-supply
118
+
- dvdd-3p3v-supply
119
+
- avdd-3p3v-supply
120
+
- refio-1p2v-supply
121
+
122
+
allOf:
123
+
- $ref: /schemas/spi/spi-peripheral-props.yaml#
124
+
125
+
unevaluatedProperties: false
126
+
127
+
examples:
128
+
- |
129
+
#include <dt-bindings/gpio/gpio.h>
130
+
131
+
spi {
132
+
#address-cells = <1>;
133
+
#size-cells = <0>;
134
+
135
+
dac@0 {
136
+
compatible = "adi,ad8460";
137
+
reg = <0>;
138
+
spi-max-frequency = <8000000>;
139
+
140
+
dmas = <&tx_dma 0>;
141
+
dma-names = "tx";
142
+
143
+
shutdown-reset-gpios = <&gpio 86 GPIO_ACTIVE_HIGH>;
144
+
reset-gpios = <&gpio 91 GPIO_ACTIVE_LOW>;
145
+
shutdown-gpios = <&gpio 88 GPIO_ACTIVE_HIGH>;
146
+
147
+
clocks = <&sync_ext_clk>;
148
+
149
+
hvcc-supply = <&hvcc>;
150
+
hvee-supply = <&hvee>;
151
+
vcc-5v-supply = <&vcc_5>;
152
+
vref-5v-supply = <&vref_5>;
153
+
dvdd-3p3v-supply = <&dvdd_3_3>;
154
+
avdd-3p3v-supply = <&avdd_3_3>;
155
+
refio-1p2v-supply = <&refio_1_2>;
156
+
157
+
adi,external-resistor-ohms = <2000>;
158
+
adi,range-microvolt = <(-40000000) 40000000>;
159
+
adi,range-microamp = <0 50000>;
160
+
adi,max-millicelsius = <50000>;
161
+
};
162
+
};
163
+
164
+
...
+7
MAINTAINERS
+7
MAINTAINERS
···
1354
1354
F: Documentation/devicetree/bindings/iio/adc/adi,ad9467.yaml
1355
1355
F: drivers/iio/adc/ad9467.c
1356
1356
1357
+
ANALOG DEVICES INC AD8460 DRIVER
1358
+
M: Mariel Tinaco <Mariel.Tinaco@analog.com>
1359
+
L: linux-iio@vger.kernel.org
1360
+
S: Supported
1361
+
W: https://ez.analog.com/linux-software-drivers
1362
+
F: Documentation/devicetree/bindings/iio/dac/adi,ad8460.yaml
1363
+
1357
1364
ANALOG DEVICES INC AD9739a DRIVER
1358
1365
M: Nuno Sa <nuno.sa@analog.com>
1359
1366
M: Dragos Bogdan <dragos.bogdan@analog.com>