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99a1e88297
Backport MFD driver for communicating with the on-board MCU found on IEI World Puzzle appliances. Improve the driver to support multiple LEDs, apply a default state and let MCU take care of blinking if timing is within supported range. Wire up LEDs and fan for Puzzle M902 in device tree. Signed-off-by: Daniel Golle <daniel@makrotopia.org> (cherry picked from commitf0c0b18234with commit962c585580squashed)
219 lines
6.0 KiB
Diff
219 lines
6.0 KiB
Diff
From aa4a0ccc41997f2da172165c92803abace43bd1c Mon Sep 17 00:00:00 2001
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From: Luka Kovacic <luka.kovacic () sartura ! hr>
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Date: Tue, 24 Aug 2021 12:44:32 +0000
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Subject: [PATCH 1/7] dt-bindings: Add IEI vendor prefix and IEI WT61P803
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PUZZLE driver bindings
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Add the IEI WT61P803 PUZZLE Device Tree bindings for MFD, HWMON and LED
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drivers. A new vendor prefix is also added accordingly for
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IEI Integration Corp.
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Signed-off-by: Luka Kovacic <luka.kovacic@sartura.hr>
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Signed-off-by: Pavo Banicevic <pavo.banicevic@sartura.hr>
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Cc: Luka Perkov <luka.perkov@sartura.hr>
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Cc: Robert Marko <robert.marko@sartura.hr>
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---
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.../hwmon/iei,wt61p803-puzzle-hwmon.yaml | 53 ++++++++++++
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.../leds/iei,wt61p803-puzzle-leds.yaml | 39 +++++++++
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.../bindings/mfd/iei,wt61p803-puzzle.yaml | 82 +++++++++++++++++++
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.../devicetree/bindings/vendor-prefixes.yaml | 2 +
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4 files changed, 176 insertions(+)
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create mode 100644 Documentation/devicetree/bindings/hwmon/iei,wt61p803-puzzle-hwmon.yaml
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create mode 100644 Documentation/devicetree/bindings/leds/iei,wt61p803-puzzle-leds.yaml
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create mode 100644 Documentation/devicetree/bindings/mfd/iei,wt61p803-puzzle.yaml
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--- /dev/null
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+++ b/Documentation/devicetree/bindings/hwmon/iei,wt61p803-puzzle-hwmon.yaml
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@@ -0,0 +1,53 @@
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+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
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+%YAML 1.2
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+---
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+$id: http://devicetree.org/schemas/hwmon/iei,wt61p803-puzzle-hwmon.yaml#
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+$schema: http://devicetree.org/meta-schemas/core.yaml#
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+
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+title: IEI WT61P803 PUZZLE MCU HWMON module from IEI Integration Corp.
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+
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+maintainers:
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+ - Luka Kovacic <luka.kovacic@sartura.hr>
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+
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+description: |
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+ This module is a part of the IEI WT61P803 PUZZLE MFD device. For more details
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+ see Documentation/devicetree/bindings/mfd/iei,wt61p803-puzzle.yaml.
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+
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+ The HWMON module is a sub-node of the MCU node in the Device Tree.
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+
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+properties:
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+ compatible:
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+ const: iei,wt61p803-puzzle-hwmon
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+
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+ "#address-cells":
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+ const: 1
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+
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+ "#size-cells":
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+ const: 0
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+
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+patternProperties:
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+ "^fan-group@[0-1]$":
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+ type: object
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+ properties:
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+ reg:
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+ minimum: 0
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+ maximum: 1
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+ description:
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+ Fan group ID
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+
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+ cooling-levels:
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+ minItems: 1
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+ maxItems: 255
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+ description:
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+ Cooling levels for the fans (PWM value mapping)
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+ description: |
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+ Properties for each fan group.
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+ required:
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+ - reg
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+
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+required:
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+ - compatible
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+ - "#address-cells"
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+ - "#size-cells"
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+
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+additionalProperties: false
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--- /dev/null
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+++ b/Documentation/devicetree/bindings/leds/iei,wt61p803-puzzle-leds.yaml
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@@ -0,0 +1,39 @@
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+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
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+%YAML 1.2
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+---
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+$id: http://devicetree.org/schemas/leds/iei,wt61p803-puzzle-leds.yaml#
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+$schema: http://devicetree.org/meta-schemas/core.yaml#
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+
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+title: IEI WT61P803 PUZZLE MCU LED module from IEI Integration Corp.
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+
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+maintainers:
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+ - Luka Kovacic <luka.kovacic@sartura.hr>
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+
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+description: |
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+ This module is a part of the IEI WT61P803 PUZZLE MFD device. For more details
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+ see Documentation/devicetree/bindings/mfd/iei,wt61p803-puzzle.yaml.
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+
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+ The LED module is a sub-node of the MCU node in the Device Tree.
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+
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+properties:
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+ compatible:
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+ const: iei,wt61p803-puzzle-leds
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+
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+ "#address-cells":
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+ const: 1
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+
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+ "#size-cells":
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+ const: 0
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+
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+ led@0:
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+ type: object
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+ $ref: common.yaml
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+ description: |
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+ Properties for a single LED.
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+
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+required:
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+ - compatible
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+ - "#address-cells"
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+ - "#size-cells"
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+
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+additionalProperties: false
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--- /dev/null
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+++ b/Documentation/devicetree/bindings/mfd/iei,wt61p803-puzzle.yaml
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@@ -0,0 +1,82 @@
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+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
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+%YAML 1.2
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+---
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+$id: http://devicetree.org/schemas/mfd/iei,wt61p803-puzzle.yaml#
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+$schema: http://devicetree.org/meta-schemas/core.yaml#
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+
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+title: IEI WT61P803 PUZZLE MCU from IEI Integration Corp.
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+
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+maintainers:
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+ - Luka Kovacic <luka.kovacic@sartura.hr>
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+
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+description: |
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+ IEI WT61P803 PUZZLE MCU is embedded in some IEI Puzzle series boards.
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+ It's used for controlling system power states, fans, LEDs and temperature
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+ sensors.
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+
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+ For Device Tree bindings of other sub-modules (HWMON, LEDs) refer to the
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+ binding documents under the respective subsystem directories.
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+
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+properties:
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+ compatible:
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+ const: iei,wt61p803-puzzle
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+
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+ current-speed:
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+ description:
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+ Serial bus speed in bps
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+ maxItems: 1
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+
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+ enable-beep: true
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+
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+ hwmon:
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+ $ref: /schemas/hwmon/iei,wt61p803-puzzle-hwmon.yaml
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+
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+ leds:
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+ $ref: /schemas/leds/iei,wt61p803-puzzle-leds.yaml
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+
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+required:
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+ - compatible
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+ - current-speed
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+
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+additionalProperties: false
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+
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+examples:
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+ - |
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+ #include <dt-bindings/leds/common.h>
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+ serial {
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+ mcu {
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+ compatible = "iei,wt61p803-puzzle";
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+ current-speed = <115200>;
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+ enable-beep;
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+
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+ leds {
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+ compatible = "iei,wt61p803-puzzle-leds";
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+
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+ led@0 {
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+ reg = <0>;
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+ function = LED_FUNCTION_POWER;
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+ color = <LED_COLOR_ID_BLUE>;
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+ };
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+ };
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+
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+ hwmon {
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+ compatible = "iei,wt61p803-puzzle-hwmon";
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+
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+ fan-group@0 {
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+ #cooling-cells = <2>;
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+ reg = <0x00>;
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+ cooling-levels = <64 102 170 230 250>;
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+ };
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+
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+ fan-group@1 {
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+ #cooling-cells = <2>;
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+ reg = <0x01>;
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+ cooling-levels = <64 102 170 230 250>;
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+ };
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+ };
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+ };
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+ };
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--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
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+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
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@@ -423,6 +423,8 @@ patternProperties:
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description: IC Plus Corp.
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"^idt,.*":
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description: Integrated Device Technologies, Inc.
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+ "^iei,.*":
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+ description: IEI Integration Corp.
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"^ifi,.*":
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description: Ingenieurburo Fur Ic-Technologie (I/F/I)
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"^ilitek,.*":
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