From patchwork Tue Jan 9 09:33:33 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Quentin Schulz X-Patchwork-Id: 10151437 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 2C531603ED for ; Tue, 9 Jan 2018 09:44:48 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 109D628A0A for ; Tue, 9 Jan 2018 09:44:48 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 03DC028A0B; Tue, 9 Jan 2018 09:44:48 +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=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 87ADA28A08 for ; Tue, 9 Jan 2018 09:44:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752684AbeAIJfG (ORCPT ); Tue, 9 Jan 2018 04:35:06 -0500 Received: from mail.free-electrons.com ([62.4.15.54]:45694 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752641AbeAIJfC (ORCPT ); Tue, 9 Jan 2018 04:35:02 -0500 Received: by mail.free-electrons.com (Postfix, from userid 110) id 9610B2064F; Tue, 9 Jan 2018 10:34:59 +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 2B15F20727; Tue, 9 Jan 2018 10:34:49 +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 Cc: linux-iio@vger.kernel.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, thomas.petazzoni@free-electrons.com, linux-sunxi@googlegroups.com, Quentin Schulz Subject: [PATCH v2 02/16] dt-bindings: iio: adc: add binding for X-Powers AXP PMICs ADC Date: Tue, 9 Jan 2018 10:33:33 +0100 Message-Id: X-Mailer: git-send-email 2.14.1 In-Reply-To: References: In-Reply-To: References: Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.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 ADC bindings. Signed-off-by: Quentin Schulz Reviewed-by: Rob Herring --- Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt | 39 +++++++++- 1 file changed, 39 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..ed6d04e --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt @@ -0,0 +1,39 @@ +* X-Powers AXP ADC bindings + +Required properties: + - compatible: should be one of: + - "x-powers,axp20x-adc", + - "x-powers,axp22x-adc", + - #io-channel-cells: should be 1, + +Example: + +&axp22x { + axp_adc: axp-adc { + compatible = "x-powers,axp22x-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