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authorLinus Torvalds <torvalds@linux-foundation.org>2023-11-01 06:44:17 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2023-11-01 06:44:17 +0300
commitf9a7eda4d73d44dc1d17d05cdc9aeb9fc5660740 (patch)
treebd6ea1fd74130f51372706a87fcf61dabba5b3df /Documentation/devicetree
parent34aac0a33de21ec6e03b689342c0933a4989fbc2 (diff)
parent0f564130e5c76f1e5cf0008924f6a6cd138929d9 (diff)
downloadlinux-f9a7eda4d73d44dc1d17d05cdc9aeb9fc5660740.tar.xz
Merge tag 'hwmon-for-v6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck: "New drivers: - Driver for LTC2991 - Driver for POWER-Z Added chip / system support to existing drivers: - The ina238 driver now also supports INA237 - The asus-ec-sensors driver now supports ROG Crosshair X670E Gene - The aquacomputer_d5next now supports Aquacomputer High Flow USB and MPS Flow - The pmbus/mpq7932 driver now also supports MPQ2286 - The nct6683 now also supports ASRock X670E Taichi Various other minor improvements and fixes: - One patch series to call out is the conversion of hwmon platform drivers to use the platform remove callback returning void" * tag 'hwmon-for-v6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (69 commits) hwmon: (aquacomputer_d5next) Check if temp sensors of legacy devices are connected hwmon: (aquacomputer_d5next) Add support for Aquacomputer High Flow USB and MPS Flow dt-bindings: hwmon: npcm: Add npcm845 compatible string hwmon: Add driver for ltc2991 dt-bindings: hwmon: ltc2991: add bindings hwmon: (pmbus/max31785) Add delay between bus accesses hwmon: (ina238) add ina237 support dt-bindings: hwmon: ti,ina2xx: add ti,ina237 hwmon: (asus-ec-sensors) add ROG Crosshair X670E Gene. hwmon: (max31827) handle vref regulator hwmon: (ina3221) Add support for channel summation disable dt-bindings: hwmon: ina3221: Add ti,summation-disable dt-bindings: hwmon: ina3221: Convert to json-schema hwmon: (pmbus/mpq7932) Add a support for mpq2286 Power Management IC hwmon: (pmbus/core) Add helper macro to define single pmbus regulator regulator: dt-bindings: Add mps,mpq2286 power-management IC hwmon: (pmbus/mpq7932) Get page count based on chip info dt-bindings: hwmon: Add possible new properties to max31827 bindings hwmon: (max31827) Modify conversion wait time hwmon: (max31827) Make code cleaner ...
Diffstat (limited to 'Documentation/devicetree')
-rw-r--r--Documentation/devicetree/bindings/hwmon/adi,ltc2991.yaml128
-rw-r--r--Documentation/devicetree/bindings/hwmon/adi,max31827.yaml66
-rw-r--r--Documentation/devicetree/bindings/hwmon/ina3221.txt54
-rw-r--r--Documentation/devicetree/bindings/hwmon/npcm750-pwm-fan.txt6
-rw-r--r--Documentation/devicetree/bindings/hwmon/pmbus/infineon,tda38640.yaml49
-rw-r--r--Documentation/devicetree/bindings/hwmon/ti,ina2xx.yaml1
-rw-r--r--Documentation/devicetree/bindings/hwmon/ti,ina3221.yaml121
-rw-r--r--Documentation/devicetree/bindings/regulator/mps,mpq2286.yaml59
-rw-r--r--Documentation/devicetree/bindings/trivial-devices.yaml2
9 files changed, 429 insertions, 57 deletions
diff --git a/Documentation/devicetree/bindings/hwmon/adi,ltc2991.yaml b/Documentation/devicetree/bindings/hwmon/adi,ltc2991.yaml
new file mode 100644
index 000000000000..011e5b65c79c
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/adi,ltc2991.yaml
@@ -0,0 +1,128 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+
+$id: http://devicetree.org/schemas/hwmon/adi,ltc2991.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices LTC2991 Octal I2C Voltage, Current and Temperature Monitor
+
+maintainers:
+ - Antoniu Miclaus <antoniu.miclaus@analog.com>
+
+description: |
+ The LTC2991 is used to monitor system temperatures, voltages and currents.
+ Through the I2C serial interface, the eight monitors can individually measure
+ supply voltages and can be paired for differential measurements of current
+ sense resistors or temperature sensing transistors.
+
+ Datasheet:
+ https://www.analog.com/en/products/ltc2991.html
+
+properties:
+ compatible:
+ const: adi,ltc2991
+
+ reg:
+ maxItems: 1
+
+ '#address-cells':
+ const: 1
+
+ '#size-cells':
+ const: 0
+
+ vcc-supply: true
+
+patternProperties:
+ "^channel@[0-3]$":
+ type: object
+ description:
+ Represents the differential/temperature channels.
+
+ properties:
+ reg:
+ description:
+ The channel number. LTC2991 can monitor 4 currents/temperatures.
+ items:
+ minimum: 0
+ maximum: 3
+
+ shunt-resistor-micro-ohms:
+ description:
+ The value of curent sense resistor in micro ohms. Pin configuration is
+ set for differential input pair.
+
+ adi,temperature-enable:
+ description:
+ Enables temperature readings. Pin configuration is set for remote
+ diode temperature measurement.
+ type: boolean
+
+ required:
+ - reg
+
+ allOf:
+ - if:
+ required:
+ - shunt-resistor-micro-ohms
+ then:
+ properties:
+ adi,temperature-enable: false
+
+ additionalProperties: false
+
+required:
+ - compatible
+ - reg
+ - vcc-supply
+
+additionalProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ hwmon@48 {
+ compatible = "adi,ltc2991";
+ reg = <0x48>;
+ vcc-supply = <&vcc>;
+ };
+ };
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ hwmon@48 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ compatible = "adi,ltc2991";
+ reg = <0x48>;
+ vcc-supply = <&vcc>;
+
+ channel@0 {
+ reg = <0x0>;
+ shunt-resistor-micro-ohms = <100000>;
+ };
+
+ channel@1 {
+ reg = <0x1>;
+ shunt-resistor-micro-ohms = <100000>;
+ };
+
+ channel@2 {
+ reg = <0x2>;
+ adi,temperature-enable;
+ };
+
+ channel@3 {
+ reg = <0x3>;
+ adi,temperature-enable;
+ };
+ };
+ };
+...
diff --git a/Documentation/devicetree/bindings/hwmon/adi,max31827.yaml b/Documentation/devicetree/bindings/hwmon/adi,max31827.yaml
index 2dc8b07b4d3b..f60e06ab7d0a 100644
--- a/Documentation/devicetree/bindings/hwmon/adi,max31827.yaml
+++ b/Documentation/devicetree/bindings/hwmon/adi,max31827.yaml
@@ -32,6 +32,68 @@ properties:
Must have values in the interval (1.6V; 3.6V) in order for the device to
function correctly.
+ adi,comp-int:
+ description:
+ If present interrupt mode is used. If not present comparator mode is used
+ (default).
+ type: boolean
+
+ adi,alarm-pol:
+ description:
+ Sets the alarms active state.
+ - 0 = active low
+ - 1 = active high
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [0, 1]
+
+ adi,fault-q:
+ description:
+ Select how many consecutive temperature faults must occur before
+ overtemperature or undertemperature faults are indicated in the
+ corresponding status bits.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [1, 2, 4, 8]
+
+ adi,timeout-enable:
+ description:
+ Enables timeout. Bus timeout resets the I2C-compatible interface when SCL
+ is low for more than 30ms (nominal).
+ type: boolean
+
+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: adi,max31829
+
+ then:
+ properties:
+ adi,alarm-pol:
+ default: 1
+
+ else:
+ properties:
+ adi,alarm-pol:
+ default: 0
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: adi,max31827
+
+ then:
+ properties:
+ adi,fault-q:
+ default: 1
+
+ else:
+ properties:
+ adi,fault-q:
+ default: 4
+
+
required:
- compatible
- reg
@@ -49,6 +111,10 @@ examples:
compatible = "adi,max31827";
reg = <0x42>;
vref-supply = <&reg_vdd>;
+ adi,comp-int;
+ adi,alarm-pol = <0>;
+ adi,fault-q = <1>;
+ adi,timeout-enable;
};
};
...
diff --git a/Documentation/devicetree/bindings/hwmon/ina3221.txt b/Documentation/devicetree/bindings/hwmon/ina3221.txt
deleted file mode 100644
index fa63b6171407..000000000000
--- a/Documentation/devicetree/bindings/hwmon/ina3221.txt
+++ /dev/null
@@ -1,54 +0,0 @@
-Texas Instruments INA3221 Device Tree Bindings
-
-1) ina3221 node
- Required properties:
- - compatible: Must be "ti,ina3221"
- - reg: I2C address
-
- Optional properties:
- - ti,single-shot: This chip has two power modes: single-shot (chip takes one
- measurement and then shuts itself down) and continuous (
- chip takes continuous measurements). The continuous mode is
- more reliable and suitable for hardware monitor type device,
- but the single-shot mode is more power-friendly and useful
- for battery-powered device which cares power consumptions
- while still needs some measurements occasionally.
- If this property is present, the single-shot mode will be
- used, instead of the default continuous one for monitoring.
-
- = The node contains optional child nodes for three channels =
- = Each child node describes the information of input source =
-
- - #address-cells: Required only if a child node is present. Must be 1.
- - #size-cells: Required only if a child node is present. Must be 0.
-
-2) child nodes
- Required properties:
- - reg: Must be 0, 1 or 2, corresponding to IN1, IN2 or IN3 port of INA3221
-
- Optional properties:
- - label: Name of the input source
- - shunt-resistor-micro-ohms: Shunt resistor value in micro-Ohm
-
-Example:
-
-ina3221@40 {
- compatible = "ti,ina3221";
- reg = <0x40>;
- #address-cells = <1>;
- #size-cells = <0>;
-
- input@0 {
- reg = <0x0>;
- status = "disabled";
- };
- input@1 {
- reg = <0x1>;
- shunt-resistor-micro-ohms = <5000>;
- };
- input@2 {
- reg = <0x2>;
- label = "VDD_5V";
- shunt-resistor-micro-ohms = <5000>;
- };
-};
diff --git a/Documentation/devicetree/bindings/hwmon/npcm750-pwm-fan.txt b/Documentation/devicetree/bindings/hwmon/npcm750-pwm-fan.txt
index 8523777f560c..18095ba87a5a 100644
--- a/Documentation/devicetree/bindings/hwmon/npcm750-pwm-fan.txt
+++ b/Documentation/devicetree/bindings/hwmon/npcm750-pwm-fan.txt
@@ -1,12 +1,16 @@
-Nuvoton NPCM7xx PWM and Fan Tacho controller device
+Nuvoton NPCM PWM and Fan Tacho controller device
The Nuvoton BMC NPCM7XX supports 8 Pulse-width modulation (PWM)
controller outputs and 16 Fan tachometer controller inputs.
+The Nuvoton BMC NPCM8XX supports 12 Pulse-width modulation (PWM)
+controller outputs and 16 Fan tachometer controller inputs.
+
Required properties for pwm-fan node
- #address-cells : should be 1.
- #size-cells : should be 0.
- compatible : "nuvoton,npcm750-pwm-fan" for Poleg NPCM7XX.
+ : "nuvoton,npcm845-pwm-fan" for Arbel NPCM8XX.
- reg : specifies physical base address and size of the registers.
- reg-names : must contain:
* "pwm" for the PWM registers.
diff --git a/Documentation/devicetree/bindings/hwmon/pmbus/infineon,tda38640.yaml b/Documentation/devicetree/bindings/hwmon/pmbus/infineon,tda38640.yaml
new file mode 100644
index 000000000000..ded1c115764b
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/pmbus/infineon,tda38640.yaml
@@ -0,0 +1,49 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+
+$id: http://devicetree.org/schemas/hwmon/pmbus/infineon,tda38640.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Infineon TDA38640 Synchronous Buck Regulator with SVID and I2C
+
+maintainers:
+ - Naresh Solanki <naresh.solanki@9elements.com>
+
+description: |
+ The Infineon TDA38640 is a 40A Single-voltage Synchronous Buck
+ Regulator with SVID and I2C designed for Industrial use.
+
+ Datasheet: https://www.infineon.com/dgdl/Infineon-TDA38640-0000-DataSheet-v02_04-EN.pdf?fileId=8ac78c8c80027ecd018042f2337f00c9
+
+properties:
+ compatible:
+ enum:
+ - infineon,tda38640
+
+ reg:
+ maxItems: 1
+
+ infineon,en-pin-fixed-level:
+ description:
+ Indicates that the chip EN pin is at fixed level or left
+ unconnected(has internal pull-down).
+ type: boolean
+
+required:
+ - compatible
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ tda38640@40 {
+ compatible = "infineon,tda38640";
+ reg = <0x40>;
+ };
+ };
diff --git a/Documentation/devicetree/bindings/hwmon/ti,ina2xx.yaml b/Documentation/devicetree/bindings/hwmon/ti,ina2xx.yaml
index 8648877d2d01..378d1f6aeeb3 100644
--- a/Documentation/devicetree/bindings/hwmon/ti,ina2xx.yaml
+++ b/Documentation/devicetree/bindings/hwmon/ti,ina2xx.yaml
@@ -26,6 +26,7 @@ properties:
- ti,ina226
- ti,ina230
- ti,ina231
+ - ti,ina237
- ti,ina238
reg:
diff --git a/Documentation/devicetree/bindings/hwmon/ti,ina3221.yaml b/Documentation/devicetree/bindings/hwmon/ti,ina3221.yaml
new file mode 100644
index 000000000000..5f10f1207d69
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/ti,ina3221.yaml
@@ -0,0 +1,121 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/hwmon/ti,ina3221.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Texas Instruments INA3221 Current and Voltage Monitor
+
+maintainers:
+ - Jean Delvare <jdelvare@suse.com>
+ - Guenter Roeck <linux@roeck-us.net>
+
+properties:
+ compatible:
+ const: ti,ina3221
+
+ reg:
+ maxItems: 1
+
+ ti,single-shot:
+ description: |
+ This chip has two power modes: single-shot (chip takes one measurement
+ and then shuts itself down) and continuous (chip takes continuous
+ measurements). The continuous mode is more reliable and suitable for
+ hardware monitor type device, but the single-shot mode is more power-
+ friendly and useful for battery-powered device which cares power
+ consumptions while still needs some measurements occasionally.
+
+ If this property is present, the single-shot mode will be used, instead
+ of the default continuous one for monitoring.
+ $ref: /schemas/types.yaml#/definitions/flag
+
+ "#address-cells":
+ description: Required only if a child node is present.
+ const: 1
+
+ "#size-cells":
+ description: Required only if a child node is present.
+ const: 0
+
+patternProperties:
+ "^input@[0-2]$":
+ description: The node contains optional child nodes for three channels.
+ Each child node describes the information of input source. Input channels
+ default to enabled in the chip. Unless channels are explicitly disabled
+ in device-tree, input channels will be enabled.
+ type: object
+ additionalProperties: false
+ properties:
+ reg:
+ description: Must be 0, 1 and 2, corresponding to the IN1, IN2 or IN3
+ ports of the INA3221, respectively.
+ enum: [ 0, 1, 2 ]
+
+ label:
+ description: name of the input source
+
+ shunt-resistor-micro-ohms:
+ description: shunt resistor value in micro-Ohm
+
+ ti,summation-disable:
+ description: |
+ The INA3221 has a critical alert pin that can be controlled by the
+ summation control function. This function adds the single
+ shunt-voltage conversions for the desired channels in order to
+ compare the combined sum to the programmed limit. The Shunt-Voltage
+ Sum Limit register contains the programmed value that is compared
+ to the value in the Shunt-Voltage Sum register in order to
+ determine if the total summed limit is exceeded. If the
+ shunt-voltage sum limit value is exceeded, the critical alert pin
+ is asserted.
+
+ For the summation limit to have a meaningful value, it is necessary
+ to use the same shunt-resistor value on all enabled channels. If
+ this is not the case or if a channel should not be used for
+ triggering the critical alert pin, then this property can be used
+ exclude specific channels from the summation control function.
+ type: boolean
+
+ required:
+ - reg
+
+required:
+ - compatible
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ power-sensor@40 {
+ compatible = "ti,ina3221";
+ reg = <0x40>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ input@0 {
+ reg = <0x0>;
+ /*
+ * Input channels are enabled by default in the device and so
+ * to disable, must be explicitly disabled in device-tree.
+ */
+ status = "disabled";
+ };
+
+ input@1 {
+ reg = <0x1>;
+ shunt-resistor-micro-ohms = <5000>;
+ };
+
+ input@2 {
+ reg = <0x2>;
+ label = "VDD_5V";
+ shunt-resistor-micro-ohms = <5000>;
+ };
+ };
+ };
diff --git a/Documentation/devicetree/bindings/regulator/mps,mpq2286.yaml b/Documentation/devicetree/bindings/regulator/mps,mpq2286.yaml
new file mode 100644
index 000000000000..1296f9b30862
--- /dev/null
+++ b/Documentation/devicetree/bindings/regulator/mps,mpq2286.yaml
@@ -0,0 +1,59 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/regulator/mps,mpq2286.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Monolithic Power System MPQ2286 PMIC
+
+maintainers:
+ - Saravanan Sekar <saravanan@linumiz.com>
+
+properties:
+ compatible:
+ enum:
+ - mps,mpq2286
+
+ reg:
+ maxItems: 1
+
+ regulators:
+ type: object
+
+ properties:
+ buck:
+ type: object
+ $ref: regulator.yaml#
+
+ unevaluatedProperties: false
+
+ additionalProperties: false
+
+required:
+ - compatible
+ - reg
+ - regulators
+
+additionalProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ pmic@3 {
+ compatible = "mps,mpq2286";
+ reg = <0x3>;
+
+ regulators {
+ buck {
+ regulator-name = "buck";
+ regulator-min-microvolt = <1600000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-boot-on;
+ };
+ };
+ };
+ };
+...
diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Documentation/devicetree/bindings/trivial-devices.yaml
index 430a814f64a5..9a1443ec3aaa 100644
--- a/Documentation/devicetree/bindings/trivial-devices.yaml
+++ b/Documentation/devicetree/bindings/trivial-devices.yaml
@@ -151,8 +151,6 @@ properties:
- infineon,slb9645tt
# Infineon SLB9673 I2C TPM 2.0
- infineon,slb9673
- # Infineon TDA38640 Voltage Regulator
- - infineon,tda38640
# Infineon TLV493D-A1B6 I2C 3D Magnetic Sensor
- infineon,tlv493d-a1b6
# Infineon Multi-phase Digital VR Controller xdpe11280