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Message-Id: <20210312154357.1561730-8-sebastian.reichel@collabora.com>
Date: Fri, 12 Mar 2021 16:43:26 +0100
From: Sebastian Reichel <sebastian.reichel@...labora.com>
To: Sebastian Reichel <sre@...nel.org>,
Rob Herring <robh+dt@...nel.org>
Cc: linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
Sebastian Reichel <sebastian.reichel@...labora.com>,
kernel@...labora.com
Subject: [PATCH 07/38] dt-bindings: power: supply: bq2415x: Convert to DT schema format
Convert the binding to DT schema format.
Signed-off-by: Sebastian Reichel <sebastian.reichel@...labora.com>
---
.../bindings/power/supply/bq2415x.txt | 47 ---------
.../bindings/power/supply/bq2415x.yaml | 98 +++++++++++++++++++
2 files changed, 98 insertions(+), 47 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/power/supply/bq2415x.txt
create mode 100644 Documentation/devicetree/bindings/power/supply/bq2415x.yaml
diff --git a/Documentation/devicetree/bindings/power/supply/bq2415x.txt b/Documentation/devicetree/bindings/power/supply/bq2415x.txt
deleted file mode 100644
index d0327f0b59ad..000000000000
--- a/Documentation/devicetree/bindings/power/supply/bq2415x.txt
+++ /dev/null
@@ -1,47 +0,0 @@
-Binding for TI bq2415x Li-Ion Charger
-
-Required properties:
-- compatible: Should contain one of the following:
- * "ti,bq24150"
- * "ti,bq24150"
- * "ti,bq24150a"
- * "ti,bq24151"
- * "ti,bq24151a"
- * "ti,bq24152"
- * "ti,bq24153"
- * "ti,bq24153a"
- * "ti,bq24155"
- * "ti,bq24156"
- * "ti,bq24156a"
- * "ti,bq24158"
-- reg: integer, i2c address of the device.
-- ti,current-limit: integer, initial maximum current charger can pull
- from power supply in mA.
-- ti,weak-battery-voltage: integer, weak battery voltage threshold in mV.
- The chip will use slow precharge if battery voltage
- is below this value.
-- ti,battery-regulation-voltage: integer, maximum charging voltage in mV.
-- ti,charge-current: integer, maximum charging current in mA.
-- ti,termination-current: integer, charge will be terminated when current in
- constant-voltage phase drops below this value (in mA).
-- ti,resistor-sense: integer, value of sensing resistor in milliohm.
-
-Optional properties:
-- ti,usb-charger-detection: phandle to usb charger detection device.
- (required for auto mode)
-
-Example from Nokia N900:
-
-bq24150a {
- compatible = "ti,bq24150a";
- reg = <0x6b>;
-
- ti,current-limit = <100>;
- ti,weak-battery-voltage = <3400>;
- ti,battery-regulation-voltage = <4200>;
- ti,charge-current = <650>;
- ti,termination-current = <100>;
- ti,resistor-sense = <68>;
-
- ti,usb-charger-detection = <&isp1704>;
-};
diff --git a/Documentation/devicetree/bindings/power/supply/bq2415x.yaml b/Documentation/devicetree/bindings/power/supply/bq2415x.yaml
new file mode 100644
index 000000000000..f8461f06e6f4
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/supply/bq2415x.yaml
@@ -0,0 +1,98 @@
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (C) 2021 Sebastian Reichel
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/power/supply/bq2415x.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Binding for TI bq2415x Li-Ion Charger
+
+maintainers:
+ - Sebastian Reichel <sre@...nel.org>
+
+allOf:
+ - $ref: power-supply.yaml#
+
+properties:
+ compatible:
+ enum:
+ - ti,bq24150
+ - ti,bq24150
+ - ti,bq24150a
+ - ti,bq24151
+ - ti,bq24151a
+ - ti,bq24152
+ - ti,bq24153
+ - ti,bq24153a
+ - ti,bq24155
+ - ti,bq24156
+ - ti,bq24156a
+ - ti,bq24158
+
+ reg:
+ maxItems: 1
+
+ ti,current-limit:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: initial maximum current charger can pull from power supply in mA.
+
+ ti,weak-battery-voltage:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: |
+ weak battery voltage threshold in mV.
+ The chip will use slow precharge if battery voltage is below this value.
+
+ ti,battery-regulation-voltage:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: maximum charging voltage in mV.
+
+ ti,charge-current:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: maximum charging current in mA.
+
+ ti,termination-current:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: |
+ charge will be terminated when current in constant-voltage phase drops
+ below this value (in mA).
+
+ ti,resistor-sense:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: value of sensing resistor in milliohm.
+
+ ti,usb-charger-detection:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description: phandle to usb charger detection device (required for auto mode)
+
+required:
+ - compatible
+ - reg
+ - ti,current-limit
+ - ti,weak-battery-voltage
+ - ti,battery-regulation-voltage
+ - ti,charge-current
+ - ti,termination-current
+ - ti,resistor-sense
+
+additionalProperties: false
+
+examples:
+ - |
+ i2c0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ charger@6b {
+ compatible = "ti,bq24150a";
+ reg = <0x6b>;
+
+ ti,current-limit = <100>;
+ ti,weak-battery-voltage = <3400>;
+ ti,battery-regulation-voltage = <4200>;
+ ti,charge-current = <650>;
+ ti,termination-current = <100>;
+ ti,resistor-sense = <68>;
+
+ ti,usb-charger-detection = <&isp1704>;
+ };
+ };
--
2.30.1
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