From patchwork Mon Feb 24 10:10:40 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 3708791 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id E8F929F2F7 for ; Mon, 24 Feb 2014 11:22:38 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E933F200E3 for ; Mon, 24 Feb 2014 11:22:37 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 910E42013D for ; Mon, 24 Feb 2014 11:22:36 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WHsZ7-0000ao-ID; Mon, 24 Feb 2014 10:15:14 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1WHsYN-0006dc-Bh; Mon, 24 Feb 2014 10:14:27 +0000 Received: from mailout2.w1.samsung.com ([210.118.77.12]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WHsWI-0006IH-IP for linux-arm-kernel@lists.infradead.org; Mon, 24 Feb 2014 10:12:48 +0000 Received: from eucpsbgm1.samsung.com (unknown [203.254.199.244]) by mailout2.w1.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0N1H005BQWAUBZ30@mailout2.w1.samsung.com> for linux-arm-kernel@lists.infradead.org; Mon, 24 Feb 2014 10:11:18 +0000 (GMT) X-AuditID: cbfec7f4-b7f796d000005a13-72-530b1acb81c0 Received: from eusync1.samsung.com ( [203.254.199.211]) by eucpsbgm1.samsung.com (EUCPMTA) with SMTP id 73.F9.23059.BCA1B035; Mon, 24 Feb 2014 10:11:23 +0000 (GMT) Received: from AMDC1943.digital.local ([106.116.151.171]) by eusync1.samsung.com (Oracle Communications Messaging Server 7u4-23.01(7.0.4.23.0) 64bit (built Aug 10 2011)) with ESMTPA id <0N1H00JSEWAG6E50@eusync1.samsung.com>; Mon, 24 Feb 2014 10:11:22 +0000 (GMT) From: Krzysztof Kozlowski To: Chanwoo Choi , Samuel Ortiz , Lee Jones , Mark Brown , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Dmitry Eremin-Solenikov , David Woodhouse Subject: [PATCH v4 15/16] mfd: max14577: Add device tree bindings document Date: Mon, 24 Feb 2014 11:10:40 +0100 Message-id: <1393236641-14977-16-git-send-email-k.kozlowski@samsung.com> X-Mailer: git-send-email 1.7.9.5 In-reply-to: <1393236641-14977-1-git-send-email-k.kozlowski@samsung.com> References: <1393236641-14977-1-git-send-email-k.kozlowski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrGLMWRmVeSWpSXmKPExsVy+t/xy7qnpbiDDbad4bHYOGM9q8XUh0/Y LK5/ec5qMenJe2aL+UfOsVpMXDmZ2eL1C0OLs01v2C3ufz3KaLHp8TVWi8u75rBZrD1yl91i 6fWLTBYTpq9lsWjde4Td4nQ3q8X6Ga9ZHAQ91sxbw+ixc9Zddo/NK7Q8Nq3qZPO4c20Pm8e8 k4Eem5fUe/RtWcXo8XmTXABnFJdNSmpOZllqkb5dAlfG3uNP2Aqma1Scme7YwHhcoYuRk0NC wERiRetVJghbTOLCvfVsXYxcHEICSxklrv48COX0MUk0PV/DClLFJmAssXn5ErCEiMAWJone D18YQRxmgfdMEm03pzOCVAkLeEksOviKHcRmEVCVuLR+OUsXIwcHr4CHRMPzLBBTQkBBYs4k G5AKTqDo3ZYHYPOFBNwlvs27zjKBkXcBI8MqRtHU0uSC4qT0XEO94sTc4tK8dL3k/NxNjJCw /rKDcfExq0OMAhyMSjy8EtVcwUKsiWXFlbmHGCU4mJVEeM14uYOFeFMSK6tSi/Lji0pzUosP MTJxcEo1MKb9FZ1Ufep4AIf/4t0pnKePTzo256OhBWvSvtOWF/0CSz6KHE8xflBZeDxLb419 IHfx/98VGws/V13KkFw1z+LxTR19n6fSJxknJ5VzMLBvdQiSCa4RKci+G9mh88/gnlu7ipnM v73JLVsNjfJO+XU2nWFjflXetdPvv8j7CTaLLxUUv3b1VGIpzkg01GIuKk4EAJI5XQ9JAgAA X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140224_051218_761008_91FCF071 X-CRM114-Status: UNSURE ( 9.75 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -3.8 (---) Cc: Mark Rutland , devicetree@vger.kernel.org, Krzysztof Kozlowski , Pawel Moll , Bartlomiej Zolnierkiewicz , Tomasz Figa , Kyungmin Park , Rob Herring , Marek Szyprowski X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-1.1 required=5.0 tests=BAYES_00,KHOP_BIG_TO_CC, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=no version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add document describing device tree bindings for MAX14577 MFD drivers: MFD core, extcon, regulator and charger. Both MAX14577 and MAX77836 chipsets are documented. Signed-off-by: Krzysztof Kozlowski Cc: Kyungmin Park Cc: Tomasz Figa Cc: Marek Szyprowski Cc: devicetree@vger.kernel.org Cc: Rob Herring Cc: Pawel Moll Cc: Mark Rutland Reviewed-by: Tomasz Figa --- Documentation/devicetree/bindings/mfd/max14577.txt | 149 ++++++++++++++++++++ 1 file changed, 149 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/max14577.txt diff --git a/Documentation/devicetree/bindings/mfd/max14577.txt b/Documentation/devicetree/bindings/mfd/max14577.txt new file mode 100644 index 000000000000..111115b0a6f3 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/max14577.txt @@ -0,0 +1,149 @@ +Maxim MAX14577/77836 Multi-Function Device + +MAX14577 is a Multi-Function Device with Micro-USB Interface Circuit, Li+ +Battery Charger and SFOUT LDO output for powering USB devices. It is +interfaced to host controller using I2C. + +MAX77836 additionally contains PMIC (with two LDO regulators) and Fuel Gauge. + + +Required properties: +- compatible : Must be "maxim,max14577" or "maxim,max77836". +- reg : I2C slave address for the max14577 chip (0x25 for max14577/max77836) +- interrupts : IRQ line for the chip. +- interrupt-parent : The parent interrupt controller. + + +Optional nodes: +- max14577-muic/max77836-muic : + Node used only by extcon consumers. + Required properties: + - compatible : "maxim,max14577-muic" or "maxim,max77836-muic" + +- regulators : + Required properties: + - compatible : "maxim,max14577-regulator" + or "maxim,max77836-regulator" + + May contain a sub-node per regulator from the list below. Each + sub-node should contain the constraints and initialization information + for that regulator. See regulator.txt for a description of standard + properties for these sub-nodes. + + List of valid regulator names: + - for max14577: CHARGER, SAFEOUT. + - for max77836: CHARGER, SAFEOUT, LDO1, LDO2. + + The SAFEOUT is a fixed voltage regulator so there is no need to specify + voltages for it. + + - charger : + Required properties: + - compatible : "maxim,max14577-charger" + or "maxim,max77836-charger" + - maxim,fast-charge-timer : Timer in hours to trigger the + INT3/MBCCHGERR interrupt; Valid values: + - 5, 6 or 7 (hours), + - 0 to disable. + - maxim,fast-charge-uamp : Current in uA for Fast Charge; + Valid values: + - for max14577: 90000 - 950000; + - for max77836: 45000 - 475000; + - maxim,eoc-uamp : Current in uA for End-Of-Charge mode; + Valid values: + - for max14577: 50000 - 200000; + - for max77836: 5000 - 100000; + - maxim,ovp-uvolt : OverVoltage Protection Threshold in uV; + In an overvoltage condition, INT asserts and charging + stops. Valid values: + - 6000000, 6500000, 7000000, 7500000; + - maxim,constant-uvolt : Battery Constant Voltage in uV; + Valid values: + - 4000000 - 4280000 (step by 20000); + - 4350000; + + +Example: + +#include + +max14577@25 { + compatible = "maxim,max14577"; + reg = <0x25>; + interrupt-parent = <&gpx1>; + interrupts = <5 IRQ_TYPE_NONE>; + + muic: max14577-muic { + compatible = "maxim,max14577-muic"; + }; + + regulators { + compatible = "maxim,max14577-regulator"; + + SAFEOUT { + regulator-name = "SAFEOUT"; + }; + CHARGER { + regulator-name = "CHARGER"; + regulator-min-microamp = <90000>; + regulator-max-microamp = <950000>; + regulator-boot-on; + }; + }; + + charger { + compatible = "maxim,max14577-charger"; + + maxim,fast-charge-timer = <6>; + maxim,constant-uvolt = <4350000>; + maxim,fast-charge-uamp = <450000>; + maxim,eoc-uamp = <50000>; + maxim,ovp-uvolt = <6500000>; + }; +}; + + +max77836@25 { + compatible = "maxim,max77836"; + reg = <0x25>; + interrupt-parent = <&gpx1>; + interrupts = <5 IRQ_TYPE_NONE>; + + muic: max77836-muic { + compatible = "maxim,max77836-muic"; + }; + + regulators { + compatible = "maxim,max77836-regulator"; + + SAFEOUT { + regulator-name = "SAFEOUT"; + }; + CHARGER { + regulator-name = "CHARGER"; + regulator-min-microamp = <90000>; + regulator-max-microamp = <950000>; + regulator-boot-on; + }; + LDO1 { + regulator-name = "LDO1"; + regulator-min-microvolt = <2700000>; + regulator-max-microvolt = <2700000>; + }; + LDO2 { + regulator-name = "LDO2"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <3950000>; + }; + }; + + charger { + compatible = "maxim,max77836-charger"; + + maxim,fast-charge-timer = <6>; + maxim,constant-uvolt = <4350000>; + maxim,fast-charge-uamp = <225000>; + maxim,eoc-uamp = <7500>; + maxim,ovp-uvolt = <6500000>; + }; +};