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Thu, 19 Dec 2024 12:08:29 -0800 (PST) From: Maya Matuszczyk To: Maya Matuszczyk , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 1/3] dt-bindings: platform: Add bindings for Qcom's EC on IT8987 Date: Thu, 19 Dec 2024 21:08:18 +0100 Message-ID: <20241219200821.8328-1-maccraft123mc@gmail.com> X-Mailer: git-send-email 2.45.2 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 This patch adds bindings for the EC firmware running on IT8987 present on most of X1E80100 devices Signed-off-by: Maya Matuszczyk --- .../bindings/platform/qcom,x1e-it8987-ec.yaml | 52 +++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 Documentation/devicetree/bindings/platform/qcom,x1e-it8987-ec.yaml diff --git a/Documentation/devicetree/bindings/platform/qcom,x1e-it8987-ec.yaml b/Documentation/devicetree/bindings/platform/qcom,x1e-it8987-ec.yaml new file mode 100644 index 000000000000..4a4f6eb63072 --- /dev/null +++ b/Documentation/devicetree/bindings/platform/qcom,x1e-it8987-ec.yaml @@ -0,0 +1,52 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/platform/qcom,x1e-it8987-ec.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Embedded Controller on IT8987 chip. + +maintainers: + - Maya Matuszczyk + +description: + Most x1e80100 laptops have an EC running on IT8987 MCU chip. The EC controls + minor functions, like fans, power LED, and on some laptops it also handles + keyboard hotkeys. + +properties: + compatible: + oneOf: + - const: qcom,x1e-it8987-ec + - items: + - const: lenovo,yoga-slim7x-ec + - const: qcom,x1e-it8987-ec + + reg: + const: 0x76 + + interrupts: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + +additionalProperties: false + +examples: + - | + #include + i2c { + #address-cells = <1>; + #size-cells = <0>; + + embedded-controller@76 { + compatible = "lenovo,yoga-slim7x-ec", "qcom,x1e-it8987-ec"; + reg = <0x76>; + + interrupts-extended = <&tlmm 66 IRQ_TYPE_LEVEL_HIGH>; + }; + }; +...