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Commit 9fdd5165 authored by Subbaraman Narayanamurthy's avatar Subbaraman Narayanamurthy
Browse files

bindings: add support for qcom,pmic-glink 

The PMIC Glink device provides the interface for clients to
communicate over GLink for sending/receiving data to/from
charger firmware that runs on a remote subsystem (e.g. ADSP)
which supports charging and gauging. Add the bindings for it.

Change-Id: Ia4f5ff346ebfa773bc0fe3d0410626ea67e1da31
parent 1f6ea261

bindings/soc/qcom/qcom,pmic-glink.txt

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QTI PMIC Glink binding



This binding describes the Qualcomm Technologies, Inc. PMIC GLink device. PMIC

Glink handles the communication between different clients (e.g. battery charger,

UCSI PPM) on the Application processor and charger firmware running on the

remote subsystem (e.g. DSP) over Glink channel.



- compatible:

	Usage: required

	Value type: <stringlist>

	Definition: must be "qcom,pmic-glink"



Refer to Documentation/devicetree/bindings/soc/qcom/qcom,glink.txt for

information on rpmsg device ("qcom,pmic_glink_rpmsg" used in the example below)

that needs to be specified under a glink device.



= SUBNODE



Each subnode specifies a client of PMIC Glink device that will be instantiated

after the PMIC Glink device initializes.



= EXAMPLE



= PMIC Glink rpmsg device



&glink_adsp {

	...

	qcom,pmic_glink_rpmsg {

		qcom,glink-channels = "PMIC_RTR_ADSP_APPS";

	};

	...

};



= PMIC Glink device with child subnodes



&soc {

	qcom,pmic_glink {

		compatible = "qcom,pmic-glink";



		qcom,batt_chg {

			compatible = "qcom,battery-charger";

		};



		qcom,ucsi_ppm {

			compatible = "qcom,ucsi-ppm";

		};

	};

};