Merge tag 'for-v6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply and reset updates from Sebastian Reichel:
 "Power-supply core:
   - support charge_types in extensions

  Power-supply drivers:
   - new driver for Pegatron Chagall battery
   - new driver for Maxim MAX8971 charger
   - new driver for Huawei Matebook E Go
   - bq27xxx: retry failed I2C transmissions
   - bq24190: add BQ24193 support
   - misc small cleanups and fixes

  Reset drivers:
   - new driver for Toradex SMARC Embedded Controller
   - reboot-mode: add support for modes containing / in DT
   - atmel,at91sam9260-reset: support sama7d65
   - syscon-reboot: add Google GS101 support
   - misc small cleanups and fixes"

* tag 'for-v6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (28 commits)
  power: supply: rt9471: Simplify definition of some struct linear_range
  power: supply: max77976: add EXTCON dependency
  power: supply: Add support for Maxim MAX8971 charger
  dt-bindings: power: supply: Document Maxim MAX8971 charger
  power: supply: max17040: adjust thermal channel scaling
  power: reset: syscon-reboot: add gs101-specific reset
  dt-bindings: reset: syscon-reboot: add google,gs101-reboot
  power: supply: add Huawei Matebook E Go psy driver
  power: supply: Add driver for Pegatron Chagall battery
  dt-bindings: power: supply: Document Pegatron Chagall fuel gauge
  dt-bindings: vendor-prefixes: add prefix for Pegatron Corporation
  power: supply: cros_charge-control: Avoid -Wflex-array-member-not-at-end warning
  power: reset: add Toradex Embedded Controller
  dt-bindings: power: reset: add toradex,smarc-ec
  power: supply: support charge_types in extensions
  power: supply: max77705: Fix workqueue error handling in probe
  power: supply: wm831x: Constify struct chg_map and some arrays
  power: bq24190: Add BQ24193 support
  dt-bindings: power: supply: bq24190: Add BQ24193 compatible
  power: supply: sysfs: Remove duplicate NUL termination
  ...

13 files changed, 311 insertions, 48 deletions

diff --git a/Documentation/ABI/testing/sysfs-class-power b/Documentation/ABI/testing/sysfs-class-power
index 2a5c1a09a28f..560124cc3177 100644
--- a/Documentation/ABI/testing/sysfs-class-power
+++ b/Documentation/ABI/testing/sysfs-class-power
@@ -822,3 +822,46 @@ Description:
 		Each entry is a link to the device which registered the extension.
 
 		Access: Read
+
+What:		/sys/class/power_supply/max8971-charger/fast_charge_timer
+Date:		May 2025
+KernelVersion:	6.15.0
+Contact:	Svyatoslav Ryhel <clamor95@gmail.com>
+Description:
+		This entry shows and sets the maximum time the max8971
+		charger operates in fast-charge mode. When the timer expires
+		the device will terminate fast-charge mode (charging current
+		will drop to 0 A) and will trigger interrupt.
+
+		Valid values:
+
+		- 4 - 10 (hours), step by 1
+		- 0: disabled.
+
+What:		/sys/class/power_supply/max8971-charger/top_off_threshold_current
+Date:		May 2025
+KernelVersion:	6.15.0
+Contact:	Svyatoslav Ryhel <clamor95@gmail.com>
+Description:
+		This entry shows and sets the charging current threshold for
+		entering top-off charging mode. When charging current in fast
+		charge mode drops below this value, the charger will trigger
+		interrupt and start top-off charging mode.
+
+		Valid values:
+
+		- 50000 - 200000 (microamps), step by 50000 (rounded down)
+
+What:		/sys/class/power_supply/max8971-charger/top_off_timer
+Date:		May 2025
+KernelVersion:	6.15.0
+Contact:	Svyatoslav Ryhel <clamor95@gmail.com>
+Description:
+		This entry shows and sets the maximum time the max8971
+		charger operates in top-off charge mode. When the timer expires
+		the device will terminate top-off charge mode (charging current
+		will drop to 0 A) and will trigger interrupt.
+
+		Valid values:
+
+		- 0 - 70 (minutes), step by 10 (rounded down)
diff --git a/Documentation/ABI/testing/sysfs-class-power-gaokun b/Documentation/ABI/testing/sysfs-class-power-gaokun
new file mode 100644
index 000000000000..0633aed7b355
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-class-power-gaokun
@@ -0,0 +1,27 @@
+What:		/sys/class/power_supply/gaokun-ec-battery/smart_charge_delay
+Date:		March 2025
+KernelVersion:	6.15
+Contact:	Pengyu Luo <mitltlatltl@gmail.com>
+Description:
+		This entry allows configuration of smart charging delay.
+
+		Smart charging behavior: when the power adapter is connected
+		for delay hours, battery charging will follow the rules of
+		charge_control_start_threshold and charge_control_end_threshold.
+		For more information about charge control, please refer to
+		sysfs-class-power.
+
+		Access: Read, Write
+
+		Valid values: In hours (non-negative)
+
+What:		/sys/class/power_supply/gaokun-ec-battery/battery_adaptive_charge
+Date:		March 2025
+KernelVersion:	6.15
+Contact:	Pengyu Luo <mitltlatltl@gmail.com>
+Description:
+		This entry allows enabling battery adaptive charging.
+
+		Access: Read, Write
+
+		Valid values: 0 (disabled) or 1 (enabled)
diff --git a/Documentation/devicetree/bindings/power/reset/syscon-reboot.yaml b/Documentation/devicetree/bindings/power/reset/syscon-reboot.yaml
index 19d3093e6cd2..ccd555870094 100644
--- a/Documentation/devicetree/bindings/power/reset/syscon-reboot.yaml
+++ b/Documentation/devicetree/bindings/power/reset/syscon-reboot.yaml
@@ -21,7 +21,9 @@ description: |+
 
 properties:
   compatible:
-    const: syscon-reboot
+    enum:
+      - syscon-reboot
+      - google,gs101-reboot
 
   mask:
     $ref: /schemas/types.yaml#/definitions/uint32
@@ -49,12 +51,6 @@ properties:
   priority:
     default: 192
 
-oneOf:
-  - required:
-      - offset
-  - required:
-      - reg
-
 required:
   - compatible
 
@@ -63,12 +59,29 @@ additionalProperties: false
 allOf:
   - $ref: restart-handler.yaml#
   - if:
-      not:
-        required:
-          - mask
+      properties:
+        compatible:
+          contains:
+            const: google,gs101-reboot
     then:
-      required:
-        - value
+      properties:
+        mask: false
+        offset: false
+        reg: false
+        value: false
+
+    else:
+      if:
+        not:
+          required:
+            - mask
+      then:
+        required:
+          - value
+
+      oneOf:
+        - required: [offset]
+        - required: [reg]
 
 examples:
   - |
@@ -78,3 +91,8 @@ examples:
         offset = <0x0>;
         mask = <0x1>;
     };
+
+  - |
+    reboot {
+        compatible = "google,gs101-reboot";
+    };
diff --git a/Documentation/devicetree/bindings/power/reset/toradex,smarc-ec.yaml b/Documentation/devicetree/bindings/power/reset/toradex,smarc-ec.yaml
new file mode 100644
index 000000000000..ffcd5f2c2bf6
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/reset/toradex,smarc-ec.yaml
@@ -0,0 +1,52 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/power/reset/toradex,smarc-ec.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Toradex Embedded Controller
+
+maintainers:
+  - Emanuele Ghidoli <emanuele.ghidoli@toradex.com>
+  - Francesco Dolcini <francesco.dolcini@toradex.com>
+
+description: |
+  The Toradex Embedded Controller (EC) is used on Toradex SMARC modules,
+  primarily to manage power and reset functionalities.
+
+  The EC provides the following functions:
+    - Reads the SMARC POWER_BTN# and RESET_IN# signals and controls the PMIC accordingly.
+    - Controls the SoC boot mode signals based on the SMARC BOOT_SEL# and FORCE_RECOV# inputs.
+    - Manages the CARRIER_STDBY# signal in response to relevant SoC signals.
+
+  The EC runs a small firmware, factory programmed into its internal flash, and communicates over I2C.
+  It allows software to control power-off and reset functionalities of the module.
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - toradex,smarc-imx95-ec
+          - toradex,smarc-imx8mp-ec
+      - const: toradex,smarc-ec
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        reset-controller@28 {
+            compatible = "toradex,smarc-imx95-ec", "toradex,smarc-ec";
+            reg = <0x28>;
+        };
+    };
diff --git a/Documentation/devicetree/bindings/power/supply/bq24190.yaml b/Documentation/devicetree/bindings/power/supply/bq24190.yaml
index 07adf88997b4..307c99c07721 100644
--- a/Documentation/devicetree/bindings/power/supply/bq24190.yaml
+++ b/Documentation/devicetree/bindings/power/supply/bq24190.yaml
@@ -19,6 +19,7 @@ properties:
       - ti,bq24190
       - ti,bq24192
       - ti,bq24192i
+      - ti,bq24193
       - ti,bq24196
       - ti,bq24296
       - ti,bq24297
diff --git a/Documentation/devicetree/bindings/power/supply/bq25980.yaml b/Documentation/devicetree/bindings/power/supply/bq25980.yaml
index b70ce8d7f86c..256adbef55eb 100644
--- a/Documentation/devicetree/bindings/power/supply/bq25980.yaml
+++ b/Documentation/devicetree/bindings/power/supply/bq25980.yaml
@@ -87,28 +87,28 @@ unevaluatedProperties: false
 examples:
   - |
     bat: battery {
-      compatible = "simple-battery";
-      constant-charge-current-max-microamp = <4000000>;
-      constant-charge-voltage-max-microvolt = <8400000>;
-      precharge-current-microamp = <160000>;
-      charge-term-current-microamp = <160000>;
+        compatible = "simple-battery";
+        constant-charge-current-max-microamp = <4000000>;
+        constant-charge-voltage-max-microvolt = <8400000>;
+        precharge-current-microamp = <160000>;
+        charge-term-current-microamp = <160000>;
     };
     #include <dt-bindings/gpio/gpio.h>
     #include <dt-bindings/interrupt-controller/irq.h>
     i2c {
-      #address-cells = <1>;
-      #size-cells = <0>;
-
-      bq25980: charger@65 {
-          compatible = "ti,bq25980";
-          reg = <0x65>;
-          interrupt-parent = <&gpio1>;
-          interrupts = <16 IRQ_TYPE_EDGE_FALLING>;
-          ti,watchdog-timeout-ms = <0>;
-          ti,sc-ocp-limit-microamp = <2000000>;
-          ti,sc-ovp-limit-microvolt = <17800000>;
-          monitored-battery = <&bat>;
-      };
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        bq25980: charger@65 {
+            compatible = "ti,bq25980";
+            reg = <0x65>;
+            interrupt-parent = <&gpio1>;
+            interrupts = <16 IRQ_TYPE_EDGE_FALLING>;
+            ti,watchdog-timeout-ms = <0>;
+            ti,sc-ocp-limit-microamp = <2000000>;
+            ti,sc-ovp-limit-microvolt = <17800000>;
+            monitored-battery = <&bat>;
+        };
     };
 
 ...
diff --git a/Documentation/devicetree/bindings/power/supply/ingenic,battery.yaml b/Documentation/devicetree/bindings/power/supply/ingenic,battery.yaml
index 741022b4449d..cb04fb25d8ac 100644
--- a/Documentation/devicetree/bindings/power/supply/ingenic,battery.yaml
+++ b/Documentation/devicetree/bindings/power/supply/ingenic,battery.yaml
@@ -48,14 +48,14 @@ examples:
     #include <dt-bindings/iio/adc/ingenic,adc.h>
 
     simple_battery: battery {
-            compatible = "simple-battery";
-            voltage-min-design-microvolt = <3600000>;
-            voltage-max-design-microvolt = <4200000>;
+        compatible = "simple-battery";
+        voltage-min-design-microvolt = <3600000>;
+        voltage-max-design-microvolt = <4200000>;
     };
 
     ingenic-battery {
-            compatible = "ingenic,jz4740-battery";
-            io-channels = <&adc INGENIC_ADC_BATTERY>;
-            io-channel-names = "battery";
-            monitored-battery = <&simple_battery>;
+        compatible = "ingenic,jz4740-battery";
+        io-channels = <&adc INGENIC_ADC_BATTERY>;
+        io-channel-names = "battery";
+        monitored-battery = <&simple_battery>;
     };
diff --git a/Documentation/devicetree/bindings/power/supply/ltc4162-l.yaml b/Documentation/devicetree/bindings/power/supply/ltc4162-l.yaml
index 06595a953659..bc7ed7b22085 100644
--- a/Documentation/devicetree/bindings/power/supply/ltc4162-l.yaml
+++ b/Documentation/devicetree/bindings/power/supply/ltc4162-l.yaml
@@ -61,13 +61,13 @@ additionalProperties: false
 examples:
   - |
     i2c {
-      #address-cells = <1>;
-      #size-cells = <0>;
-      charger: battery-charger@68 {
-              compatible = "lltc,ltc4162-l";
-              reg = <0x68>;
-              lltc,rsnsb-micro-ohms = <10000>;
-              lltc,rsnsi-micro-ohms = <16000>;
-              lltc,cell-count = <2>;
-      };
+        #address-cells = <1>;
+        #size-cells = <0>;
+        charger: battery-charger@68 {
+            compatible = "lltc,ltc4162-l";
+            reg = <0x68>;
+            lltc,rsnsb-micro-ohms = <10000>;
+            lltc,rsnsi-micro-ohms = <16000>;
+            lltc,cell-count = <2>;
+        };
     };
diff --git a/Documentation/devicetree/bindings/power/supply/maxim,max77705.yaml b/Documentation/devicetree/bindings/power/supply/maxim,max77705.yaml
index bce7fabbd9d3..e3b84068993b 100644
--- a/Documentation/devicetree/bindings/power/supply/maxim,max77705.yaml
+++ b/Documentation/devicetree/bindings/power/supply/maxim,max77705.yaml
@@ -37,8 +37,8 @@ examples:
     #include <dt-bindings/interrupt-controller/irq.h>
 
     i2c {
-      #address-cells = <1>;
-      #size-cells = <0>;
+        #address-cells = <1>;
+        #size-cells = <0>;
 
         charger@69 {
             compatible = "maxim,max77705-charger";
diff --git a/Documentation/devicetree/bindings/power/supply/maxim,max8971.yaml b/Documentation/devicetree/bindings/power/supply/maxim,max8971.yaml
new file mode 100644
index 000000000000..2244cc3d45a6
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/supply/maxim,max8971.yaml
@@ -0,0 +1,68 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/power/supply/maxim,max8971.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Maxim MAX8971 IC charger
+
+maintainers:
+  - Svyatoslav Ryhel <clamor95@gmail.com>
+
+description:
+  The MAX8971 is a compact, high-frequency, high-efficiency switch-mode charger
+  for a one-cell lithium-ion (Li+) battery.
+
+allOf:
+  - $ref: power-supply.yaml#
+
+properties:
+  compatible:
+    const: maxim,max8971
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  monitored-battery: true
+
+  port:
+    description:
+      An optional port node to link the extcon device to detect type of plug.
+    $ref: /schemas/graph.yaml#/properties/port
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        charger@35 {
+            compatible = "maxim,max8971";
+            reg = <0x35>;
+
+            interrupt-parent = <&gpio>;
+            interrupts = <74 IRQ_TYPE_LEVEL_LOW>;
+
+            monitored-battery = <&battery>;
+
+            port {
+                charger_input: endpoint {
+                    remote-endpoint = <&extcon_output>;
+                };
+            };
+        };
+    };
+...
diff --git a/Documentation/devicetree/bindings/power/supply/pegatron,chagall-ec.yaml b/Documentation/devicetree/bindings/power/supply/pegatron,chagall-ec.yaml
new file mode 100644
index 000000000000..defb0861e268
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/supply/pegatron,chagall-ec.yaml
@@ -0,0 +1,49 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/power/supply/pegatron,chagall-ec.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Pegatron Chagall EC
+
+maintainers:
+  - Svyatoslav Ryhel <clamor95@gmail.com>
+
+description:
+  Pegatron Chagall EC is based on an 8-bit programmable microcontroller from
+  Infineon/Cypress Semiconductor, it communicates over I2C and is used in the
+  Pegatron Chagall tablet for fuel gauge and battery control functions.
+
+$ref: /schemas/power/supply/power-supply.yaml
+
+properties:
+  compatible:
+    const: pegatron,chagall-ec
+
+  reg:
+    maxItems: 1
+
+  monitored-battery: true
+  power-supplies: true
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        embedded-controller@10 {
+            compatible = "pegatron,chagall-ec";
+            reg = <0x10>;
+
+            monitored-battery = <&battery>;
+            power-supplies = <&mains>;
+        };
+    };
+...
diff --git a/Documentation/devicetree/bindings/reset/atmel,at91sam9260-reset.yaml b/Documentation/devicetree/bindings/reset/atmel,at91sam9260-reset.yaml
index c3b33bbc7319..84c4801df8d9 100644
--- a/Documentation/devicetree/bindings/reset/atmel,at91sam9260-reset.yaml
+++ b/Documentation/devicetree/bindings/reset/atmel,at91sam9260-reset.yaml
@@ -24,6 +24,9 @@ properties:
               - microchip,sam9x60-rstc
               - microchip,sama7g5-rstc
       - items:
+          - const: microchip,sama7d65-rstc
+          - const: microchip,sama7g5-rstc
+      - items:
           - const: atmel,sama5d3-rstc
           - const: atmel,at91sam9g45-rstc
       - items:
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index 86f6a19b28ae..75ffaebc749d 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -1158,6 +1158,8 @@ patternProperties:
     description: Parallax Inc.
   "^pda,.*":
     description: Precision Design Associates, Inc.
+  "^pegatron,.*":
+    description: Pegatron Corporation
   "^pericom,.*":
     description: Pericom Technology Inc.
   "^pervasive,.*":