iio/adc/adi%2Cad7606.yaml

1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10   - Michael Hennerich <michael.hennerich@analog.com>
14   https://www.analog.com/media/en/technical-documentation/data-sheets/AD7605-4.pdf
15   https://www.analog.com/media/en/technical-documentation/data-sheets/ad7606_7606-6_7606-4.pdf
16   https://www.analog.com/media/en/technical-documentation/data-sheets/AD7606B.pdf
17   https://www.analog.com/media/en/technical-documentation/data-sheets/AD7616.pdf
22       - adi,ad7605-4
23       - adi,ad7606-4
24       - adi,ad7606-6
25       - adi,ad7606-8  # Referred to as AD7606 (without -8) in the datasheet
26       - adi,ad7606b
27       - adi,ad7616
32   spi-cpha: true
34   spi-cpol: true
36   avcc-supply: true
38   vdrive-supply:
43   refin-supply:
53   adi,conversion-start-gpios:
61   reset-gpios:
69   standby-gpios:
72       place the AD7606 into one of two power-down modes, Standby mode or
73       Shutdown mode. As the line is active low, it should be marked
77   adi,first-data-gpios:
85   adi,range-gpios:
93       tied to a logic high, software mode is enabled, otherwise one of the 3
98   adi,oversampling-ratio-gpios:
100       Must be the device tree identifier of the over-sampling mode pins. As the
103       mode is enabled.
106   adi,sw-mode:
108       Software mode of operation, so far available only for AD7616 and AD7606B.
109       It is enabled when all three oversampling mode pins are connected to high
112       registers. If the adi,oversampling-ratio-gpios property is defined, then
113       the driver will set the oversampling gpios to high. Otherwise, it is
118   - compatible
119   - reg
120   - spi-cpha
121   - avcc-supply
122   - vdrive-supply
123   - interrupts
124   - adi,conversion-start-gpios
127   - $ref: /schemas/spi/spi-peripheral-props.yaml#
129   - if:
136         adi,first-data-gpios: false
137         standby-gpios: false
138         adi,range-gpios:
142         adi,range-gpios:
145   - if:
150               - adi,ad7605-4
151               - adi,ad7616
154         adi,oversampling-ratio-gpios: false
156   - if:
161               - adi,ad7605-4
162               - adi,ad7606-4
163               - adi,ad7606-6
164               - adi,ad7606-8
167         adi,sw-mode: false
170         adi,conversion-start-gpios:
176   - |
177     #include <dt-bindings/gpio/gpio.h>
178     #include <dt-bindings/interrupt-controller/irq.h>
180         #address-cells = <1>;
181         #size-cells = <0>;
184             compatible = "adi,ad7606-8";
186             spi-max-frequency = <1000000>;
187             spi-cpol;
188             spi-cpha;
190             avcc-supply = <&adc_vref>;
191             vdrive-supply = <&vdd_supply>;
194             interrupt-parent = <&gpio>;
196             adi,conversion-start-gpios = <&gpio 17 GPIO_ACTIVE_HIGH>;
197             reset-gpios = <&gpio 27 GPIO_ACTIVE_HIGH>;
198             adi,first-data-gpios = <&gpio 22 GPIO_ACTIVE_HIGH>;
199             adi,oversampling-ratio-gpios = <&gpio 18 GPIO_ACTIVE_HIGH>,
202             standby-gpios = <&gpio 24 GPIO_ACTIVE_LOW>;