From: Dmitry Osipenko <digetx@gmail.com>
To: Sebastian Reichel <sre@kernel.org>,
Rob Herring <robh+dt@kernel.org>, Andy Gross <agross@kernel.org>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
David Heidelberg <david@ixit.cz>
Cc: linux-pm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
Jonghwa Lee <jonghwa3.lee@samsung.com>,
John Stultz <john.stultz@linaro.org>,
Vinay Simha BN <simhavcs@gmail.com>
Subject: [PATCH v2 1/9] dt-bindings: power: supply: Add device-tree binding for Summit SMB3xx
Date: Sun, 7 Jun 2020 17:41:05 +0300 [thread overview]
Message-ID: <20200607144113.10202-2-digetx@gmail.com> (raw)
In-Reply-To: <20200607144113.10202-1-digetx@gmail.com>
From: David Heidelberg <david@ixit.cz>
Summit SMB3xx series is a Programmable Switching Li+ Battery Charger.
This patch adds device-tree binding for Summit SMB345, SMB347 and SMB358
chargers.
Signed-off-by: David Heidelberg <david@ixit.cz>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
---
.../power/supply/summit,smb347-charger.yaml | 165 ++++++++++++++++++
.../dt-bindings/power/summit,smb347-charger.h | 19 ++
2 files changed, 184 insertions(+)
create mode 100644 Documentation/devicetree/bindings/power/supply/summit,smb347-charger.yaml
create mode 100644 include/dt-bindings/power/summit,smb347-charger.h
diff --git a/Documentation/devicetree/bindings/power/supply/summit,smb347-charger.yaml b/Documentation/devicetree/bindings/power/supply/summit,smb347-charger.yaml
new file mode 100644
index 000000000000..eea0a6398c95
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/supply/summit,smb347-charger.yaml
@@ -0,0 +1,165 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/power/supply/summit,smb347-charger.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Battery charger driver for SMB345, SMB347 and SMB358
+
+maintainers:
+ - David Heidelberg <david@ixit.cz>
+ - Dmitry Osipenko <digetx@gmail.com>
+
+properties:
+ compatible:
+ enum:
+ - summit,smb345
+ - summit,smb347
+ - summit,smb358
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ monitored-battery:
+ description: phandle to the battery node
+ $ref: /schemas/types.yaml#/definitions/phandle
+
+ summit,enable-usb-charging:
+ type: boolean
+ description: Enable charging through USB.
+
+ summit,enable-otg-charging:
+ type: boolean
+ description: Provide power for USB OTG
+
+ summit,enable-mains-charging:
+ type: boolean
+ description: Enable charging through mains
+
+ summit,enable-charge-control:
+ description: Enable charging control
+ allOf:
+ - $ref: /schemas/types.yaml#/definitions/uint32
+ - enum:
+ - 0 # SMB3XX_CHG_ENABLE_SW SW (I2C interface)
+ - 1 # SMB3XX_CHG_ENABLE_PIN_ACTIVE_LOW Pin control (Active Low)
+ - 2 # SMB3XX_CHG_ENABLE_PIN_ACTIVE_HIGH Pin control (Active High)
+
+ summit,fast-voltage-threshold-microvolt:
+ description: Voltage threshold to transit to fast charge mode (in uV)
+ allOf:
+ - $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 2400000
+ maximum: 3000000
+
+ summit,mains-current-limit-microamp:
+ description: Maximum input current from AC/DC input (in uA)
+ allOf:
+ - $ref: /schemas/types.yaml#/definitions/uint32
+
+ summit,usb-current-limit-microamp:
+ description: Maximum input current from USB input (in uA)
+ allOf:
+ - $ref: /schemas/types.yaml#/definitions/uint32
+
+ summit,charge-current-compensation-microamp:
+ description: Charge current compensation (in uA)
+ allOf:
+ - $ref: /schemas/types.yaml#/definitions/uint32
+
+ summit,chip-temperature-threshold-celsius:
+ description: Chip temperature for thermal regulation in °C.
+ allOf:
+ - $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [100, 110, 120, 130]
+
+ summit,soft-compensation-method:
+ description: Soft temperature limit compensation method
+ allOf:
+ - $ref: /schemas/types.yaml#/definitions/uint32
+ - enum:
+ - 0 # SMB3XX_SOFT_TEMP_COMPENSATE_NONE Compensation none
+ - 1 # SMB3XX_SOFT_TEMP_COMPENSATE_CURRENT Current compensation
+ - 2 # SMB3XX_SOFT_TEMP_COMPENSATE_VOLTAGE Voltage compensation
+
+allOf:
+ - if:
+ properties:
+ compatible:
+ enum:
+ - summit,smb345
+ - summit,smb358
+
+ then:
+ properties:
+ summit,mains-current-limit-microamp:
+ enum: [ 300000, 500000, 700000, 1000000,
+ 1500000, 1800000, 2000000]
+
+ summit,usb-current-limit-microamp:
+ enum: [ 300000, 500000, 700000, 1000000,
+ 1500000, 1800000, 2000000]
+
+ summit,charge-current-compensation-microamp:
+ enum: [200000, 450000, 600000, 900000]
+
+ else:
+ properties:
+ summit,mains-current-limit-microamp:
+ enum: [ 300000, 500000, 700000, 900000, 1200000,
+ 1500000, 1800000, 2000000, 2200000, 2500000]
+
+ summit,usb-current-limit-microamp:
+ enum: [ 300000, 500000, 700000, 900000, 1200000,
+ 1500000, 1800000, 2000000, 2200000, 2500000]
+
+ summit,charge-current-compensation-microamp:
+ enum: [250000, 700000, 900000, 1200000]
+
+required:
+ - compatible
+ - reg
+
+anyOf:
+ - required:
+ - summit,enable-usb-charging
+ - required:
+ - summit,enable-otg-charging
+ - required:
+ - summit,enable-mains-charging
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/power/summit,smb347-charger.h>
+
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ charger@7f {
+ compatible = "summit,smb347";
+ reg = <0x7f>;
+ status = "okay";
+
+ summit,enable-charge-control = <SMB3XX_CHG_ENABLE_PIN_ACTIVE_HIGH>;
+ summit,chip-temperature-threshold-celsius = <110>;
+ summit,mains-current-limit-microamp = <2000000>;
+ summit,usb-current-limit-microamp = <500000>;
+ summit,enable-usb-charging;
+ summit,enable-mains-charging;
+
+ monitored-battery = <&battery>;
+ };
+ };
+
+ battery: battery-cell {
+ compatible = "simple-battery";
+ constant-charge-current-max-microamp = <1800000>;
+ temperature-min-alert-celsius = <5>;
+ temperature-max-alert-celsius = <40>;
+ };
diff --git a/include/dt-bindings/power/summit,smb347-charger.h b/include/dt-bindings/power/summit,smb347-charger.h
new file mode 100644
index 000000000000..d918bf321a71
--- /dev/null
+++ b/include/dt-bindings/power/summit,smb347-charger.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: (GPL-2.0-or-later or MIT) */
+/*
+ * Author: David Heidelberg <david@ixit.cz>
+ */
+
+#ifndef _DT_BINDINGS_SMB347_CHARGER_H
+#define _DT_BINDINGS_SMB347_CHARGER_H
+
+/* Charging compensation method */
+#define SMB3XX_SOFT_TEMP_COMPENSATE_NONE 0
+#define SMB3XX_SOFT_TEMP_COMPENSATE_CURRENT 1
+#define SMB3XX_SOFT_TEMP_COMPENSATE_VOLTAGE 2
+
+/* Charging enable control */
+#define SMB3XX_CHG_ENABLE_SW 0
+#define SMB3XX_CHG_ENABLE_PIN_ACTIVE_LOW 1
+#define SMB3XX_CHG_ENABLE_PIN_ACTIVE_HIGH 2
+
+#endif
--
2.26.0
next prev parent reply other threads:[~2020-06-07 14:46 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-07 14:41 [PATCH v2 0/9] Summit SMB3xx driver & device-tree Dmitry Osipenko
2020-06-07 14:41 ` Dmitry Osipenko [this message]
2020-07-13 23:39 ` [PATCH v2 1/9] dt-bindings: power: supply: Add device-tree binding for Summit SMB3xx Rob Herring
2020-07-16 17:24 ` Dmitry Osipenko
2020-06-07 14:41 ` [PATCH v2 2/9] dt-bindings: battery: Add temperature properties Dmitry Osipenko
2020-07-13 23:46 ` Rob Herring
2020-07-16 17:24 ` Dmitry Osipenko
2020-06-07 14:41 ` [PATCH v2 3/9] power: supply: Support battery temperature device-tree properties Dmitry Osipenko
2020-06-07 14:41 ` [PATCH v2 4/9] power: supply: smb347-charger: Use resource-managed API Dmitry Osipenko
2020-06-07 14:41 ` [PATCH v2 5/9] power: supply: smb347-charger: Implement device-tree support Dmitry Osipenko
2020-06-07 14:41 ` [PATCH v2 6/9] power: supply: smb347-charger: Support SMB345 and SMB358 Dmitry Osipenko
2020-06-07 14:41 ` [PATCH v2 7/9] power: supply: smb347-charger: Remove virtual smb347-battery Dmitry Osipenko
2020-06-07 14:41 ` [PATCH v2 8/9] power: supply: smb347-charger: Replace mutex with IRQ disable/enable Dmitry Osipenko
2020-06-07 14:41 ` [PATCH v2 9/9] ARM: dts: qcom: apq8064-nexus7: Add SMB345 charger node Dmitry Osipenko
2020-07-08 7:42 ` [PATCH v2 0/9] Summit SMB3xx driver & device-tree Dmitry Osipenko
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