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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /Documentation/devicetree/bindings/iio/potentiometer
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/devicetree/bindings/iio/potentiometer')
-rw-r--r--Documentation/devicetree/bindings/iio/potentiometer/adi,ad5272.yaml51
-rw-r--r--Documentation/devicetree/bindings/iio/potentiometer/max5432.yaml44
-rw-r--r--Documentation/devicetree/bindings/iio/potentiometer/microchip,mcp41010.yaml49
-rw-r--r--Documentation/devicetree/bindings/iio/potentiometer/microchip,mcp4131.yaml104
-rw-r--r--Documentation/devicetree/bindings/iio/potentiometer/microchip,mcp4531.yaml116
-rw-r--r--Documentation/devicetree/bindings/iio/potentiometer/renesas,x9250.yaml78
6 files changed, 442 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/potentiometer/adi,ad5272.yaml b/Documentation/devicetree/bindings/iio/potentiometer/adi,ad5272.yaml
new file mode 100644
index 0000000000..b8d7083c97
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/potentiometer/adi,ad5272.yaml
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/potentiometer/adi,ad5272.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices AD5272 digital potentiometer
+
+maintainers:
+ - Phil Reid <preid@electromag.com.au>
+
+description: |
+ Datasheet: https://www.analog.com/en/products/ad5272.html
+
+properties:
+ compatible:
+ enum:
+ - adi,ad5272-020
+ - adi,ad5272-050
+ - adi,ad5272-100
+ - adi,ad5274-020
+ - adi,ad5274-100
+
+ reg:
+ maxItems: 1
+
+ reset-gpios:
+ maxItems: 1
+ description:
+ Active low signal to the AD5272 RESET input.
+
+additionalProperties: false
+
+required:
+ - compatible
+ - reg
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ potentiometer@2f {
+ compatible = "adi,ad5272-020";
+ reg = <0x2f>;
+ reset-gpios = <&gpio3 6 GPIO_ACTIVE_LOW>;
+ };
+ };
+...
diff --git a/Documentation/devicetree/bindings/iio/potentiometer/max5432.yaml b/Documentation/devicetree/bindings/iio/potentiometer/max5432.yaml
new file mode 100644
index 0000000000..5082f919df
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/potentiometer/max5432.yaml
@@ -0,0 +1,44 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/potentiometer/max5432.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Maxim Integrated MAX5432-MAX5435 Digital Potentiometers
+
+maintainers:
+ - Martin Kaiser <martin@kaiser.cx>
+
+description: |
+ Maxim Integrated MAX5432-MAX5435 Digital Potentiometers connected via I2C
+
+ Datasheet:
+ https://datasheets.maximintegrated.com/en/ds/MAX5432-MAX5435.pdf
+
+properties:
+ compatible:
+ enum:
+ - maxim,max5432
+ - maxim,max5433
+ - maxim,max5434
+ - maxim,max5435
+
+ reg:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ max5434@28 {
+ compatible = "maxim,max5434";
+ reg = <0x28>;
+ };
+ };
diff --git a/Documentation/devicetree/bindings/iio/potentiometer/microchip,mcp41010.yaml b/Documentation/devicetree/bindings/iio/potentiometer/microchip,mcp41010.yaml
new file mode 100644
index 0000000000..87e88f2a99
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/potentiometer/microchip,mcp41010.yaml
@@ -0,0 +1,49 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/potentiometer/microchip,mcp41010.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip MCP41010/41050/41100/42010/42050/42100 Digital Potentiometer
+
+maintainers:
+ - Chris Coffey <cmc@babblebit.net>
+
+description: |
+ Datasheet: https://ww1.microchip.com/downloads/en/devicedoc/11195c.pdf
+
+properties:
+ compatible:
+ enum:
+ - microchip,mcp41010
+ - microchip,mcp41050
+ - microchip,mcp41100
+ - microchip,mcp42010
+ - microchip,mcp42050
+ - microchip,mcp42100
+
+ reg:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+
+allOf:
+ - $ref: /schemas/spi/spi-peripheral-props.yaml#
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ potentiometer@0 {
+ compatible = "microchip,mcp41010";
+ reg = <0>;
+ spi-max-frequency = <500000>;
+ };
+ };
+...
diff --git a/Documentation/devicetree/bindings/iio/potentiometer/microchip,mcp4131.yaml b/Documentation/devicetree/bindings/iio/potentiometer/microchip,mcp4131.yaml
new file mode 100644
index 0000000000..896fe0b5ed
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/potentiometer/microchip,mcp4131.yaml
@@ -0,0 +1,104 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/potentiometer/microchip,mcp4131.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip MCP413X/414X/415X/416X/423X/424X/425X/426X Digital Potentiometer
+
+maintainers:
+ - Slawomir Stepien <sst@poczta.fm>
+
+properties:
+ compatible:
+ enum:
+ - microchip,mcp4131-103
+ - microchip,mcp4131-104
+ - microchip,mcp4131-502
+ - microchip,mcp4131-503
+ - microchip,mcp4132-103
+ - microchip,mcp4132-104
+ - microchip,mcp4132-502
+ - microchip,mcp4132-503
+ - microchip,mcp4141-103
+ - microchip,mcp4141-104
+ - microchip,mcp4141-502
+ - microchip,mcp4141-503
+ - microchip,mcp4142-103
+ - microchip,mcp4142-104
+ - microchip,mcp4142-502
+ - microchip,mcp4142-503
+ - microchip,mcp4151-103
+ - microchip,mcp4151-104
+ - microchip,mcp4151-502
+ - microchip,mcp4151-503
+ - microchip,mcp4152-103
+ - microchip,mcp4152-104
+ - microchip,mcp4152-502
+ - microchip,mcp4152-503
+ - microchip,mcp4161-103
+ - microchip,mcp4161-104
+ - microchip,mcp4161-502
+ - microchip,mcp4161-503
+ - microchip,mcp4162-103
+ - microchip,mcp4162-104
+ - microchip,mcp4162-502
+ - microchip,mcp4162-503
+ - microchip,mcp4231-103
+ - microchip,mcp4231-104
+ - microchip,mcp4231-502
+ - microchip,mcp4231-503
+ - microchip,mcp4232-103
+ - microchip,mcp4232-104
+ - microchip,mcp4232-502
+ - microchip,mcp4232-503
+ - microchip,mcp4241-103
+ - microchip,mcp4241-104
+ - microchip,mcp4241-502
+ - microchip,mcp4241-503
+ - microchip,mcp4242-103
+ - microchip,mcp4242-104
+ - microchip,mcp4242-502
+ - microchip,mcp4242-503
+ - microchip,mcp4251-103
+ - microchip,mcp4251-104
+ - microchip,mcp4251-502
+ - microchip,mcp4251-503
+ - microchip,mcp4252-103
+ - microchip,mcp4252-104
+ - microchip,mcp4252-502
+ - microchip,mcp4252-503
+ - microchip,mcp4261-103
+ - microchip,mcp4261-104
+ - microchip,mcp4261-502
+ - microchip,mcp4261-503
+ - microchip,mcp4262-103
+ - microchip,mcp4262-104
+ - microchip,mcp4262-502
+ - microchip,mcp4262-503
+
+ reg:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+
+allOf:
+ - $ref: /schemas/spi/spi-peripheral-props.yaml#
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ potentiometer@0 {
+ compatible = "microchip,mcp4131-502";
+ reg = <0>;
+ spi-max-frequency = <500000>;
+ };
+ };
+...
diff --git a/Documentation/devicetree/bindings/iio/potentiometer/microchip,mcp4531.yaml b/Documentation/devicetree/bindings/iio/potentiometer/microchip,mcp4531.yaml
new file mode 100644
index 0000000000..5c4b9b9181
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/potentiometer/microchip,mcp4531.yaml
@@ -0,0 +1,116 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/potentiometer/microchip,mcp4531.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip mcp4531 and similar potentiometers.
+
+maintainers:
+ - Peter Rosin <peda@axentia.se>
+
+description: |
+ Family of I2C digital potentiometer
+ Datasheets at:
+ * volatile https://ww1.microchip.com/downloads/en/DeviceDoc/22096b.pdf
+ * non-volatile https://ww1.microchip.com/downloads/en/DeviceDoc/22107B.pdf
+ Part numbers as follows: mcp4ABC-XXX where
+ A = 5 (1 wiper), 6 (2 wipers)
+ B = 3 (7-bit, volatile), 4 (7-bit, non-volatile),
+ 5 (8-bit, volatile), 6 (8-bit, non-volatile),
+ C: 1 (potentiometer), 2 (rheostat)
+ XXX = 502 (5 kOhms), 103 (10 kOhms), 503 (50 kOhms), 104 (100 kOhms)
+
+properties:
+ compatible:
+ enum:
+ # Ordering reflects part number + range, so 502 < 103 etc
+ - microchip,mcp4531-502
+ - microchip,mcp4531-103
+ - microchip,mcp4531-503
+ - microchip,mcp4531-104
+ - microchip,mcp4532-502
+ - microchip,mcp4532-103
+ - microchip,mcp4532-503
+ - microchip,mcp4532-104
+ - microchip,mcp4541-502
+ - microchip,mcp4541-103
+ - microchip,mcp4541-503
+ - microchip,mcp4541-104
+ - microchip,mcp4542-502
+ - microchip,mcp4542-103
+ - microchip,mcp4542-503
+ - microchip,mcp4542-104
+ - microchip,mcp4551-502
+ - microchip,mcp4551-103
+ - microchip,mcp4551-503
+ - microchip,mcp4551-104
+ - microchip,mcp4552-502
+ - microchip,mcp4552-103
+ - microchip,mcp4552-503
+ - microchip,mcp4552-104
+ - microchip,mcp4561-502
+ - microchip,mcp4561-103
+ - microchip,mcp4561-503
+ - microchip,mcp4561-104
+ - microchip,mcp4562-502
+ - microchip,mcp4562-103
+ - microchip,mcp4562-503
+ - microchip,mcp4562-104
+ - microchip,mcp4631-502
+ - microchip,mcp4631-103
+ - microchip,mcp4631-503
+ - microchip,mcp4631-104
+ - microchip,mcp4632-502
+ - microchip,mcp4632-103
+ - microchip,mcp4632-503
+ - microchip,mcp4632-104
+ - microchip,mcp4641-502
+ - microchip,mcp4641-103
+ - microchip,mcp4641-503
+ - microchip,mcp4641-104
+ - microchip,mcp4642-502
+ - microchip,mcp4642-103
+ - microchip,mcp4642-503
+ - microchip,mcp4642-104
+ - microchip,mcp4651-502
+ - microchip,mcp4651-103
+ - microchip,mcp4651-503
+ - microchip,mcp4651-104
+ - microchip,mcp4652-502
+ - microchip,mcp4652-103
+ - microchip,mcp4652-503
+ - microchip,mcp4652-104
+ - microchip,mcp4661-502
+ - microchip,mcp4661-103
+ - microchip,mcp4661-503
+ - microchip,mcp4661-104
+ - microchip,mcp4662-502
+ - microchip,mcp4662-103
+ - microchip,mcp4662-503
+ - microchip,mcp4662-104
+
+ reg:
+ maxItems: 1
+
+ "#io-channel-cells":
+ const: 1
+
+required:
+ - compatible
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ dpot: dpot@28 {
+ compatible = "microchip,mcp4651-104";
+ reg = <0x28>;
+ #io-channel-cells = <1>;
+ };
+ };
+...
diff --git a/Documentation/devicetree/bindings/iio/potentiometer/renesas,x9250.yaml b/Documentation/devicetree/bindings/iio/potentiometer/renesas,x9250.yaml
new file mode 100644
index 0000000000..ab5c09c00f
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/potentiometer/renesas,x9250.yaml
@@ -0,0 +1,78 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/potentiometer/renesas,x9250.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Renesas X9250 quad potentiometers
+
+maintainers:
+ - Herve Codina <herve.codina@bootlin.com>
+
+description:
+ The Renesas X9250 integrates four digitally controlled potentiometers.
+ On each potentiometer, the X9250T has a 100 kOhms total resistance and the
+ X9250U has a 50 kOhms total resistance.
+
+allOf:
+ - $ref: /schemas/spi/spi-peripheral-props.yaml
+
+properties:
+ compatible:
+ enum:
+ - renesas,x9250t
+ - renesas,x9250u
+
+ reg:
+ maxItems: 1
+
+ vcc-supply:
+ description:
+ Regulator for the VCC power supply.
+
+ avp-supply:
+ description:
+ Regulator for the analog V+ power supply.
+
+ avn-supply:
+ description:
+ Regulator for the analog V- power supply.
+
+ '#io-channel-cells':
+ const: 1
+
+ spi-max-frequency:
+ maximum: 2000000
+
+ wp-gpios:
+ maxItems: 1
+ description:
+ GPIO connected to the write-protect pin.
+
+required:
+ - compatible
+ - reg
+ - vcc-supply
+ - avp-supply
+ - avn-supply
+ - '#io-channel-cells'
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ potentiometer@0 {
+ compatible = "renesas,x9250t";
+ reg = <0>;
+ vcc-supply = <&vcc_regulator>;
+ avp-supply = <&avp_regulator>;
+ avn-supply = <&avp_regulator>;
+ wp-gpios = <&gpio 1 GPIO_ACTIVE_LOW>;
+ spi-max-frequency = <2000000>;
+ #io-channel-cells = <1>;
+ };
+ };