From patchwork Mon Jan 15 10:33:36 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Quentin Schulz X-Patchwork-Id: 10163515 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id D04DE60467 for ; Mon, 15 Jan 2018 10:38:37 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BE1472834A for ; Mon, 15 Jan 2018 10:38:37 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B240F2886F; Mon, 15 Jan 2018 10:38:37 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 3A21C2834A for ; Mon, 15 Jan 2018 10:38:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=9iNZdzlqHL7/5tdRMI42A9UB/XY2bxspGm7DRtiYz3Q=; b=PB6TxHKRScIivgukBwoMX3TKTC 9sPE3LvpOhUSL0CgxKi4Ux/4d80ZWccAeM5BfdUKfjkyN5TLY/CEmte2X1wSlOrIsE/z5yHPlfS9m ncONymZGubST0rVM90Ibqejq7eHxjsqFAGAa2NQY+Q/F/DailaoS8btLOIRNXRKYsLhEhln9E8p+Q Q26J2Ck/ipJGKFys2CfmEt4fsOXHyrXmnw7hKkmfUs0Icq0jiGQ1jf9ygTklPhsCpBkT7pQcuSw41 rA55RA/s3BQZkwRmYDnlRJU8dUUp57fXtyP61p+kB1lA0UkqJ7QcG3dMG+VvlARzo1qTYh9D97ube yqvf6TDA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.89 #1 (Red Hat Linux)) id 1eb29y-0002sY-Tb; Mon, 15 Jan 2018 10:38:34 +0000 Received: from mail.free-electrons.com ([62.4.15.54]) by bombadil.infradead.org with esmtp (Exim 4.89 #1 (Red Hat Linux)) id 1eb26h-000678-QA for linux-arm-kernel@lists.infradead.org; Mon, 15 Jan 2018 10:35:13 +0000 Received: by mail.free-electrons.com (Postfix, from userid 110) id 0C71A207A2; Mon, 15 Jan 2018 11:34:59 +0100 (CET) Received: from localhost.localdomain (LStLambert-657-1-97-87.w90-63.abo.wanadoo.fr [90.63.216.87]) by mail.free-electrons.com (Postfix) with ESMTPSA id 8559B207A4; Mon, 15 Jan 2018 11:34:48 +0100 (CET) From: Quentin Schulz To: jic23@kernel.org, knaack.h@gmx.de, lars@metafoo.de, pmeerw@pmeerw.net, robh+dt@kernel.org, mark.rutland@arm.com, wens@csie.org, sre@kernel.org, linux@armlinux.org.uk, maxime.ripard@free-electrons.com, lee.jones@linaro.org Subject: [PATCH v3 02/16] dt-bindings: iio: adc: add binding for X-Powers AXP PMICs ADC Date: Mon, 15 Jan 2018 11:33:36 +0100 Message-Id: <8191dd8cc334049b8b91a231f9f276b6d0689628.1516012352.git-series.quentin.schulz@free-electrons.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: References: In-Reply-To: References: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180115_023512_034772_F9F4323E X-CRM114-Status: GOOD ( 13.06 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: thomas.petazzoni@free-electrons.com, devicetree@vger.kernel.org, linux-pm@vger.kernel.org, linux-iio@vger.kernel.org, julian.calaby@gmail.com, linux-kernel@vger.kernel.org, Quentin Schulz , linux-sunxi@googlegroups.com, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP X-Powers PMICs have several ADC channels that can be used for different purposes, e.g. PMIC internal temperature, battery voltage or AC current. This is the documentation for AXP209, AXP221/223 and AXP813 ADC bindings. Signed-off-by: Quentin Schulz Reviewed-by: Rob Herring --- Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt | 48 +++++++++- 1 file changed, 48 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt diff --git a/Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt b/Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt new file mode 100644 index 0000000..7a63139 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt @@ -0,0 +1,48 @@ +* X-Powers AXP ADC bindings + +Required properties: + - compatible: should be one of: + - "x-powers,axp209-adc", + - "x-powers,axp221-adc", + - "x-powers,axp813-adc", + - #io-channel-cells: should be 1, + +Example: + +&axp22x { + adc { + compatible = "x-powers,axp221-adc"; + #io-channel-cells = <1>; + }; +}; + +ADC channels and their indexes per variant: + +AXP209 +------ + 0 | acin_v + 1 | acin_i + 2 | vbus_v + 3 | vbus_i + 4 | pmic_temp + 5 | gpio0_v + 6 | gpio1_v + 7 | ipsout_v + 8 | batt_v + 9 | batt_chrg_i +10 | batt_dischrg_i + +AXP22x +------ + 0 | pmic_temp + 1 | batt_v + 2 | batt_chrg_i + 3 | batt_dischrg_i + +AXP813 +------ + 0 | pmic_temp + 1 | gpio0_v + 2 | batt_v + 3 | batt_chrg_i + 4 | batt_dischrg_i