From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752474AbbGNX2K (ORCPT ); Tue, 14 Jul 2015 19:28:10 -0400 Received: from seldrel01.sonyericsson.com ([37.139.156.2]:10793 "EHLO seldrel01.sonyericsson.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751694AbbGNX2I (ORCPT ); Tue, 14 Jul 2015 19:28:08 -0400 From: Tim Bird To: , , , CC: , , , , , Subject: [PATCH v2 1/3] ARM: dts: qcom: Add binding for the qcom coincell charger Date: Tue, 14 Jul 2015 16:26:18 -0700 Message-ID: <1436916380-3599-1-git-send-email-tim.bird@sonymobile.com> X-Mailer: git-send-email 1.8.2.2 MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This binding is used to configure the driver for the coincell charger found in Qualcomm PMICs. Signed-off-by: Tim Bird --- Changes in v2: - remove 'qcom,' from example node name - Added reference to parent node pm8941@0 and binding doc for it .../bindings/power/qcom,coincell-charger.txt | 50 ++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/qcom,coincell-charger.txt diff --git a/Documentation/devicetree/bindings/power/qcom,coincell-charger.txt b/Documentation/devicetree/bindings/power/qcom,coincell-charger.txt new file mode 100644 index 0000000..f0316c0 --- /dev/null +++ b/Documentation/devicetree/bindings/power/qcom,coincell-charger.txt @@ -0,0 +1,50 @@ +Qualcomm Coincell Charger: + +The hardware block controls charging for a coincell or capacitor that is +used to provide power backup for certain features of the power management +IC (PMIC) + +- compatible: + Usage: required + Value type: + Definition: must be: "qcom,pm8941-coincell" + +- reg: + Usage: required + Value type: + Definition: base address of the coincell charger registers + +- qcom,rset-ohms: + Usage: required + Value type: + Definition: resistance (in ohms) for current-limiting resistor + must be one of: 800, 1200, 1700, 2100 + +- qcom,vset-millivolts: + Usage: required + Value type: + Definition: voltage (in millivolts) to apply for charging + must be one of: 2500, 3000, 3100, 3200 + +- qcom,charge-enable: + Usage: optional + Value type: or + Definition: definining this property, with an optional non-zero + value, enables charging + +This charger is a sub-node of one of the 8941 PMIC blocks, and is specified +as a child node in DTS of that node. See ../mfd/qcom,spmi-pmic.txt and +../mfd/qcom-pm8xxx.txt + +Examples: + + pm8941@0 { + coincell@2800 { + compatible = "qcom,pm8941-coincell"; + reg = <0x2800>; + + qcom,rset-ohms = <2100>; + qcom,vset-millivolts = <3000>; + qcom,charge-enable; + }; + }; -- 1.8.2.2 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tim Bird Subject: [PATCH v2 1/3] ARM: dts: qcom: Add binding for the qcom coincell charger Date: Tue, 14 Jul 2015 16:26:18 -0700 Message-ID: <1436916380-3599-1-git-send-email-tim.bird@sonymobile.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Sender: linux-arm-msm-owner@vger.kernel.org To: arnd@arndb.de, gregkh@linuxfoundation.org, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org Cc: robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, linux-kernel@vger.kernel.org, bjorn.andersson@sonymobile.com List-Id: devicetree@vger.kernel.org This binding is used to configure the driver for the coincell charger found in Qualcomm PMICs. Signed-off-by: Tim Bird --- Changes in v2: - remove 'qcom,' from example node name - Added reference to parent node pm8941@0 and binding doc for it .../bindings/power/qcom,coincell-charger.txt | 50 ++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/qcom,coincell-charger.txt diff --git a/Documentation/devicetree/bindings/power/qcom,coincell-charger.txt b/Documentation/devicetree/bindings/power/qcom,coincell-charger.txt new file mode 100644 index 0000000..f0316c0 --- /dev/null +++ b/Documentation/devicetree/bindings/power/qcom,coincell-charger.txt @@ -0,0 +1,50 @@ +Qualcomm Coincell Charger: + +The hardware block controls charging for a coincell or capacitor that is +used to provide power backup for certain features of the power management +IC (PMIC) + +- compatible: + Usage: required + Value type: + Definition: must be: "qcom,pm8941-coincell" + +- reg: + Usage: required + Value type: + Definition: base address of the coincell charger registers + +- qcom,rset-ohms: + Usage: required + Value type: + Definition: resistance (in ohms) for current-limiting resistor + must be one of: 800, 1200, 1700, 2100 + +- qcom,vset-millivolts: + Usage: required + Value type: + Definition: voltage (in millivolts) to apply for charging + must be one of: 2500, 3000, 3100, 3200 + +- qcom,charge-enable: + Usage: optional + Value type: or + Definition: definining this property, with an optional non-zero + value, enables charging + +This charger is a sub-node of one of the 8941 PMIC blocks, and is specified +as a child node in DTS of that node. See ../mfd/qcom,spmi-pmic.txt and +../mfd/qcom-pm8xxx.txt + +Examples: + + pm8941@0 { + coincell@2800 { + compatible = "qcom,pm8941-coincell"; + reg = <0x2800>; + + qcom,rset-ohms = <2100>; + qcom,vset-millivolts = <3000>; + qcom,charge-enable; + }; + }; -- 1.8.2.2