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It provides: - Real-time voltage and current monitoring - Configurable thresholds per channel - Hardware interrupts when thresholds are violated Add a DeviceTree binding to describe the BCL on Qualcomm's PMICs. Add sensor type to SPMI device list for BCL device. Signed-off-by: Manaf Meethalavalappu Pallikunhi --- .../bindings/hwmon/qcom,pm7250b-bcl.yaml | 64 ++++++++++++++++++++++ .../devicetree/bindings/mfd/qcom,spmi-pmic.yaml | 4 ++ MAINTAINERS | 7 +++ 3 files changed, 75 insertions(+) diff --git a/Documentation/devicetree/bindings/hwmon/qcom,pm7250b-bcl.yaml b/Documentation/devicetree/bindings/hwmon/qcom,pm7250b-bcl.yaml new file mode 100644 index 000000000000..3c069e94a34e --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/qcom,pm7250b-bcl.yaml @@ -0,0 +1,64 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/hwmon/qcom,pm7250b-bcl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm SPMI PMIC Battery Current Limiting (BCL) Hardware Monitor + +maintainers: + - Manaf Meethalavalappu Pallikunhi + +description: + SPMI PMIC Battery Current Limiting (BCL) hardware provides monitoring and + alarm functionality for battery overcurrent and battery or system under + voltage conditions. It monitors battery voltage and current, and + can trigger interrupts when configurable thresholds are exceeded. + +properties: + compatible: + enum: + - qcom,pm7250b-bcl + - qcom,pm8350c-bcl + - qcom,pm8550-bcl + - qcom,pmh0101-bcl + - qcom,pmih0108-bcl + - qcom,smb2360-bcl + - qcom,smb2370-bcl + + reg: + maxItems: 1 + + interrupts: + maxItems: 2 + + interrupt-names: + items: + - const: max-min + - const: critical + +required: + - compatible + - reg + - interrupts + - interrupt-names + +additionalProperties: false + +examples: + - | + #include + + pmic { + #address-cells = <1>; + #size-cells = <0>; + + sensor@1d00 { + compatible = "qcom,pm7250b-bcl"; + reg = <0x1d00>; + interrupts = <0x2 0x1d 0x0 IRQ_TYPE_EDGE_RISING>, + <0x2 0x1d 0x1 IRQ_TYPE_EDGE_RISING>; + interrupt-names = "max-min", + "critical"; + }; + }; diff --git a/Documentation/devicetree/bindings/mfd/qcom,spmi-pmic.yaml b/Documentation/devicetree/bindings/mfd/qcom,spmi-pmic.yaml index 809be2756a0c..3caee21a02ad 100644 --- a/Documentation/devicetree/bindings/mfd/qcom,spmi-pmic.yaml +++ b/Documentation/devicetree/bindings/mfd/qcom,spmi-pmic.yaml @@ -190,6 +190,10 @@ patternProperties: type: object $ref: /schemas/rtc/qcom-pm8xxx-rtc.yaml# + "^sensor@[0-9a-f]+$": + type: object + $ref: /schemas/hwmon/qcom,pm7250b-bcl.yaml# + "^temp-alarm@[0-9a-f]+$": type: object $ref: /schemas/thermal/qcom,spmi-temp-alarm.yaml# diff --git a/MAINTAINERS b/MAINTAINERS index 16b73f5825d6..1b178d3a91ad 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -22176,6 +22176,13 @@ S: Maintained F: Documentation/devicetree/bindings/net/qcom,bam-dmux.yaml F: drivers/net/wwan/qcom_bam_dmux.c +QUALCOMM BCL HARDWARE MONITOR DRIVER +M: Manaf Meethalavalappu Pallikunhi +L: linux-hwmon@vger.kernel.org +L: linux-arm-msm@vger.kernel.org +S: Maintained +F: Documentation/devicetree/bindings/hwmon/qcom,pm7250b-bcl.yaml + QUALCOMM BLUETOOTH DRIVER M: Bartosz Golaszewski L: linux-arm-msm@vger.kernel.org -- 2.43.0