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Thu, 05 Feb 2026 13:14:59 -0800 (PST) Received: from hu-manafm-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-354b4575897sm74536a91.3.2026.02.05.13.14.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Feb 2026 13:14:59 -0800 (PST) From: Manaf Meethalavalappu Pallikunhi Date: Fri, 06 Feb 2026 02:44:05 +0530 Subject: [PATCH 1/4] dt-bindings: hwmon: Add qcom,bcl-hwmon yaml bindings Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260206-qcom-bcl-hwmon-v1-1-7b426f0b77a1@oss.qualcomm.com> References: <20260206-qcom-bcl-hwmon-v1-0-7b426f0b77a1@oss.qualcomm.com> In-Reply-To: <20260206-qcom-bcl-hwmon-v1-0-7b426f0b77a1@oss.qualcomm.com> To: Guenter Roeck , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio , amit.kucheria@oss.qualcomm.com, Daniel Lezcano , Gaurav Kohli Cc: linux-hwmon@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Manaf Meethalavalappu Pallikunhi X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; 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The BCL hardware provides monitoring and alarm functionality for battery overcurrent and battery/system under voltage conditions. Signed-off-by: Manaf Meethalavalappu Pallikunhi --- .../devicetree/bindings/hwmon/qcom,bcl-hwmon.yaml | 128 +++++++++++++++++= ++++ 1 file changed, 128 insertions(+) diff --git a/Documentation/devicetree/bindings/hwmon/qcom,bcl-hwmon.yaml b/= Documentation/devicetree/bindings/hwmon/qcom,bcl-hwmon.yaml new file mode 100644 index 000000000000..a0e8eaf13eec --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/qcom,bcl-hwmon.yaml @@ -0,0 +1,128 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/hwmon/qcom,bcl-hwmon.yaml# +$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: + oneOf: + - description: v1 based BCL + items: + - enum: + - qcom,pm7250b-bcl + - qcom,pm8250b-bcl + - const: qcom,bcl-v1 + + - description: v2 based BCL + items: + - enum: + - qcom,pm8350b-bcl + - qcom,pm8350c-bcl + - const: qcom,bcl-v2 + + - description: v3 bmx based BCL + items: + - enum: + - qcom,pm8550b-bcl + - qcom,pm7550ba-bcl + - const: qcom,bcl-v3-bmx + + - description: v3 core based BCL + items: + - enum: + - qcom,pm8550-bc0l + - qcom,pm7550-bcl + - const: qcom,bcl-v3-core + + - description: v3 wb based BCL + items: + - enum: + - qcom,pmw5100-bcl + - const: qcom,bcl-v3-wb + + - description: v4 bmx based BCL + items: + - enum: + - qcom,pmih010-bcl + - const: qcom,bcl-v4-bmx + + - description: v4 bmx with different scale based BCL + items: + - enum: + - qcom,pmv010-bcl + - const: qcom,bcl-v4-pmv010 + + - description: v4 core based BCL + items: + - enum: + - qcom,pmh010-bcl + - const: qcom,bcl-v4-core + + - description: v4 wb based BCL + items: + - enum: + - qcom,pmw6100-bcl + - const: qcom,bcl-v4-wb + + reg: + maxItems: 1 + description: BCL base address in the SPMI PMIC register map + + interrupts: + minItems: 2 + maxItems: 2 + description: + BCL alarm interrupts for different threshold levels + + interrupt-names: + items: + - const: bcl-max-min + - const: bcl-critical + + overcurrent-thresholds-milliamp: + description: + Current thresholds in milliamperes for the two configurable current + alarm levels (max and critical). These values are used to override + default thresholds if a platform has different battery ocp specifica= tion. + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 2 + maxItems: 2 + +required: + - compatible + - reg + - interrupts + - interrupt-names + +unevaluatedProperties: false + +examples: + - | + #include + + pmic { + #address-cells =3D <1>; + #size-cells =3D <0>; + + bcl@1d00 { + compatible =3D "qcom,pm7250b-bcl", "qcom,bcl-v1"; + reg =3D <0x1d00>; + interrupts =3D <0x2 0x1d 0x0 IRQ_TYPE_EDGE_RISING>, + <0x2 0x1d 0x1 IRQ_TYPE_EDGE_RISING>; + interrupt-names =3D "bcl-max-min", + "bcl-critical"; + overcurrent-thresholds-milliamp =3D <5500 6000>; + }; + }; --=20 2.43.0