summary refs log tree commit diff
path: root/Documentation
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2022-08-12 09:37:33 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2022-08-12 09:37:33 -0700
commitf7cdaeeab8caf8e42fc176cdb272944e036ad998 (patch)
treefd67398b6761555b6bbff6055a04490404e18f67 /Documentation
parentd16b418fac3de0d2ac854b3a9a1a59a0ebf2a0e9 (diff)
parentc9d8468158adca6dffd2ff5b1befd35f75568b10 (diff)
downloadlinux-f7cdaeeab8caf8e42fc176cdb272944e036ad998.tar.gz
Merge tag 'for-v6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
 "No core patches, only driver updates:

   - pwr-mlxbf: new reset driver for Mellanox BlueField

   - at91-reset: SAMA7G5 support

   - ab8500: continue refurbishing

   - misc minor fixes"

* tag 'for-v6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (29 commits)
  power: supply: olpc_battery: Hold the reference returned by of_find_compatible_node
  power: supply: ab8500: add missing destroy_workqueue in ab8500_charger_bind
  power: supply: ab8500: Remove flush_scheduled_work() call.
  power: supply: ab8500_fg: drop duplicated 'is' in comment
  power: supply: ab8500: Drop external charger leftovers
  power: supply: ab8500: Add MAINTAINERS entry
  dt-bindings: power: reset: qcom,pshold: convert to dtschema
  power: supply: Fix typo in power_supply_check_supplies
  power: reset: pwr-mlxbf: change rst_pwr_hid and low_pwr_hid from global to local variables
  power: reset: pwr-mlxbf: add missing include
  power: reset: at91-reset: add support for SAMA7G5
  power: reset: at91-reset: add reset_controller_dev support
  power: reset: at91-reset: add at91_reset_data
  power: reset: at91-reset: document structures and enums
  dt-bindings: reset: add sama7g5 definitions
  dt-bindings: reset: atmel,at91sam9260-reset: add sama7g5 bindings
  dt-bindings: reset: convert Atmel/Microchip reset controller to YAML
  power: reset: pwr-mlxbf: add BlueField SoC power control driver
  power: supply: ab8500: Exit maintenance if too low voltage
  power: supply: ab8500: Respect charge_restart_voltage_uv
  ...
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/arm/atmel-sysregs.txt15
-rw-r--r--Documentation/devicetree/bindings/power/reset/msm-poweroff.txt17
-rw-r--r--Documentation/devicetree/bindings/power/reset/qcom,pshold.yaml35
-rw-r--r--Documentation/devicetree/bindings/power/supply/bq24190.yaml2
-rw-r--r--Documentation/devicetree/bindings/power/supply/qcom,pm8941-charger.yaml9
-rw-r--r--Documentation/devicetree/bindings/power/supply/summit,smb347-charger.yaml2
-rw-r--r--Documentation/devicetree/bindings/reset/atmel,at91sam9260-reset.yaml68
7 files changed, 113 insertions, 35 deletions
diff --git a/Documentation/devicetree/bindings/arm/atmel-sysregs.txt b/Documentation/devicetree/bindings/arm/atmel-sysregs.txt
index 16eef600d599..ab1b352344ae 100644
--- a/Documentation/devicetree/bindings/arm/atmel-sysregs.txt
+++ b/Documentation/devicetree/bindings/arm/atmel-sysregs.txt
@@ -25,21 +25,6 @@ System Timer (ST) required properties:
 Its subnodes can be:
 - watchdog: compatible should be "atmel,at91rm9200-wdt"
 
-RSTC Reset Controller required properties:
-- compatible: Should be "atmel,<chip>-rstc".
-  <chip> can be "at91sam9260", "at91sam9g45", "sama5d3" or "samx7"
-  it also can be "microchip,sam9x60-rstc"
-- reg: Should contain registers location and length
-- clocks: phandle to input clock.
-
-Example:
-
-	rstc@fffffd00 {
-		compatible = "atmel,at91sam9260-rstc";
-		reg = <0xfffffd00 0x10>;
-		clocks = <&clk32k>;
-	};
-
 RAMC SDRAM/DDR Controller required properties:
 - compatible: Should be "atmel,at91rm9200-sdramc", "syscon"
 			"atmel,at91sam9260-sdramc",
diff --git a/Documentation/devicetree/bindings/power/reset/msm-poweroff.txt b/Documentation/devicetree/bindings/power/reset/msm-poweroff.txt
deleted file mode 100644
index ce44ad357565..000000000000
--- a/Documentation/devicetree/bindings/power/reset/msm-poweroff.txt
+++ /dev/null
@@ -1,17 +0,0 @@
-MSM Restart Driver
-
-A power supply hold (ps-hold) bit is set to power the msm chipsets.
-Clearing that bit allows us to restart/poweroff. The difference
-between poweroff and restart is determined by unique power manager IC
-settings.
-
-Required Properties:
--compatible: "qcom,pshold"
--reg: Specifies the physical address of the ps-hold register
-
-Example:
-
-	restart@fc4ab000 {
-		compatible = "qcom,pshold";
-		reg = <0xfc4ab000 0x4>;
-	};
diff --git a/Documentation/devicetree/bindings/power/reset/qcom,pshold.yaml b/Documentation/devicetree/bindings/power/reset/qcom,pshold.yaml
new file mode 100644
index 000000000000..527962d54a8f
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/reset/qcom,pshold.yaml
@@ -0,0 +1,35 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/power/reset/qcom,pshold.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm SoC restart and power off
+
+maintainers:
+  - Bjorn Andersson <bjorn.andersson@linaro.org>
+
+description:
+  A power supply hold (ps-hold) bit is set to power the Qualcomm chipsets.
+  Clearing that bit allows us to restart/power off. The difference between
+  power off and restart is determined by unique power manager IC settings.
+
+properties:
+  compatible:
+    const: qcom,pshold
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    reset-controller@fc4ab000 {
+        compatible = "qcom,pshold";
+        reg = <0xfc4ab000 0x4>;
+    };
diff --git a/Documentation/devicetree/bindings/power/supply/bq24190.yaml b/Documentation/devicetree/bindings/power/supply/bq24190.yaml
index 21a9dadc1c6a..4884ec90e2b8 100644
--- a/Documentation/devicetree/bindings/power/supply/bq24190.yaml
+++ b/Documentation/devicetree/bindings/power/supply/bq24190.yaml
@@ -28,7 +28,7 @@ properties:
     maxItems: 1
 
   usb-otg-vbus:
-    type: object
+    $ref: /schemas/regulator/regulator.yaml#
     description: |
       Regulator that is used to control the VBUS voltage direction for
       either USB host mode or for charging on the OTG port
diff --git a/Documentation/devicetree/bindings/power/supply/qcom,pm8941-charger.yaml b/Documentation/devicetree/bindings/power/supply/qcom,pm8941-charger.yaml
index caeff68c66d5..cbac55d3cb92 100644
--- a/Documentation/devicetree/bindings/power/supply/qcom,pm8941-charger.yaml
+++ b/Documentation/devicetree/bindings/power/supply/qcom,pm8941-charger.yaml
@@ -117,11 +117,18 @@ properties:
       be done externally to fully comply with the JEITA safety guidelines if this flag
       is set.
 
+  usb-charge-current-limit:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    minimum: 100000
+    maximum: 2500000
+    description: |
+      Default USB charge current limit in uA.
+
   usb-otg-in-supply:
     description: Reference to the regulator supplying power to the USB_OTG_IN pin.
 
   otg-vbus:
-    type: object
+    $ref: /schemas/regulator/regulator.yaml#
     description: |
       This node defines a regulator used to control the direction of VBUS voltage.
       Specifically whether to supply voltage to VBUS for host mode operation of the OTG port,
diff --git a/Documentation/devicetree/bindings/power/supply/summit,smb347-charger.yaml b/Documentation/devicetree/bindings/power/supply/summit,smb347-charger.yaml
index 0581497448ce..2d552becbfe6 100644
--- a/Documentation/devicetree/bindings/power/supply/summit,smb347-charger.yaml
+++ b/Documentation/devicetree/bindings/power/supply/summit,smb347-charger.yaml
@@ -82,7 +82,7 @@ properties:
       - 1 # SMB3XX_SYSOK_INOK_ACTIVE_HIGH
 
   usb-vbus:
-    $ref: "../../regulator/regulator.yaml#"
+    $ref: /schemas/regulator/regulator.yaml#
     type: object
 
     properties:
diff --git a/Documentation/devicetree/bindings/reset/atmel,at91sam9260-reset.yaml b/Documentation/devicetree/bindings/reset/atmel,at91sam9260-reset.yaml
new file mode 100644
index 000000000000..98465d26949e
--- /dev/null
+++ b/Documentation/devicetree/bindings/reset/atmel,at91sam9260-reset.yaml
@@ -0,0 +1,68 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/reset/atmel,at91sam9260-reset.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Atmel/Microchip System Reset Controller
+
+maintainers:
+  - Claudiu Beznea <claudiu.beznea@microchip.com>
+
+description: |
+  The system reset controller can be used to reset the CPU. In case of
+  SAMA7G5 it can also reset some devices (e.g. USB PHYs).
+
+properties:
+  compatible:
+    oneOf:
+      - items:
+          - enum:
+              - atmel,at91sam9260-rstc
+              - atmel,at91sam9g45-rstc
+              - atmel,sama5d3-rstc
+              - microchip,sam9x60-rstc
+              - microchip,sama7g5-rstc
+      - items:
+          - const: atmel,sama5d3-rstc
+          - const: atmel,at91sam9g45-rstc
+
+  reg:
+    minItems: 1
+    items:
+      - description: base registers for system reset control
+      - description: registers for device specific reset control
+
+  clocks:
+    maxItems: 1
+
+  "#reset-cells":
+    const: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - microchip,sama7g5-rstc
+    then:
+      required:
+        - "#reset-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/at91.h>
+
+    reset-controller@fffffd00 {
+        compatible = "atmel,at91sam9260-rstc";
+        reg = <0xfffffd00 0x10>;
+        clocks = <&pmc PMC_TYPE_CORE PMC_SLOW>;
+    };