From patchwork Thu Aug 22 14:52:30 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Linus Walleij X-Patchwork-Id: 11109539 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C826E1398 for ; Thu, 22 Aug 2019 14:52:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A6C0D233FE for ; Thu, 22 Aug 2019 14:52:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="j+DOJYcN" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388062AbfHVOww (ORCPT ); Thu, 22 Aug 2019 10:52:52 -0400 Received: from mail-lj1-f194.google.com ([209.85.208.194]:32781 "EHLO mail-lj1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388028AbfHVOww (ORCPT ); Thu, 22 Aug 2019 10:52:52 -0400 Received: by mail-lj1-f194.google.com with SMTP id z17so5875741ljz.0 for ; Thu, 22 Aug 2019 07:52:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=HSC0kdqpBcc1nAgmhsaUwnIVJoswmjdtkg+yMfuK8Fs=; b=j+DOJYcNY2GOAq3/RWk5PSYNPZW5P4LgvDCTZoIj6T5hi0NflNtBCRctINiDswdzvD cJRVtDHeQLaLDMUp8K/4R4viUcEHBQQBlV3XWaW2LL69TFfru0c64uLdQiL1GhH1bXHZ wiIXblnIP7uiHE4QPYHVsV2mgX4ECre79v1pUmggQNkwJLzkDH1olFZGZFnbhp0aWXUI A+32GlFFdm10cS4hTeMMbDFMiLqDeoCgP2jp2sbpAHLk69T5cB45TwEmgCxKMjtXNwnY C1zyhd9yB+Uu83tx8nsgq6fdR4iMWOvLIqkUiLquvQJoVkPlMBYREPm3WhqUIbvRKyzO luaA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=HSC0kdqpBcc1nAgmhsaUwnIVJoswmjdtkg+yMfuK8Fs=; b=IaxPcc1YK/c4YwkxXvN2Vky7EHf8kC1ptVSaIO6OyHyvY+Z8FlTJS5lKa6Xy9RiDqH FswK+3ED8jj6br/CWoNBorMID6Qo5n1SBkGNRrMQPuoHeUGVVqXG/qGWxhWSakwx7ypB wyG9/4ioQ6FKTjaUGdWxFE2dTONcZfo7K7NiwLHqFFsAsImY/jE5Zl81Tsi1abTR9n74 Xcfdvzp7B38BZJElBtAJc6HXBj+wI4J2mOBdQ2XsfqFR8ZWxh05VILZ4e5Zn2AncIijk R99KV7/kkmVFB5/6//Sk1pB7Cg6uFeWWTajt+YDevKR8UqdbHf/l3RxP43U+BtshqVqo xxZg== X-Gm-Message-State: APjAAAXVV/oJfC9OQ7TwVaWDOaCJ3oCxGrmdNFIHXjZ/B3UzByh63tSM pZ3KAO6fzgxcat1xZwwwU193fA== X-Google-Smtp-Source: APXvYqybCvfud69pQTRB/rQHdLIJO79hiFNl+horfgpkNudOQEis9IcRGTY3e20HJTqWK3XaLBFIfg== X-Received: by 2002:a2e:9b02:: with SMTP id u2mr21078993lji.219.1566485569388; Thu, 22 Aug 2019 07:52:49 -0700 (PDT) Received: from genomnajs.ideon.se ([85.235.10.227]) by smtp.gmail.com with ESMTPSA id s3sm3959374ljj.85.2019.08.22.07.52.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Aug 2019 07:52:48 -0700 (PDT) From: Linus Walleij To: Lee Jones , Jonathan Cameron , linux-iio@vger.kernel.org, Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald-Stadler Cc: Mboumba Cedric Madianga , Linus Walleij Subject: [PATCH 5/8 v2] mfd: ab8500: augment DT bindings Date: Thu, 22 Aug 2019 16:52:30 +0200 Message-Id: <20190822145233.18222-6-linus.walleij@linaro.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190822145233.18222-1-linus.walleij@linaro.org> References: <20190822145233.18222-1-linus.walleij@linaro.org> MIME-Version: 1.0 Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org As we migrate the AB8500 GPADC driver to use IIO, we need to augment the bindings to account for defining the ADC channels in the device tree. Signed-off-by: Linus Walleij --- ChangeLog v1->v2: - Rebased on v5.3-rc5 --- .../devicetree/bindings/mfd/ab8500.txt | 119 ++++++++++++++++++ 1 file changed, 119 insertions(+) diff --git a/Documentation/devicetree/bindings/mfd/ab8500.txt b/Documentation/devicetree/bindings/mfd/ab8500.txt index cd9e90c5d171..05d4b473c7c8 100644 --- a/Documentation/devicetree/bindings/mfd/ab8500.txt +++ b/Documentation/devicetree/bindings/mfd/ab8500.txt @@ -69,6 +69,18 @@ Required child device properties: - compatible : "stericsson,ab8500-[bm|btemp|charger|fg|gpadc|gpio|ponkey| pwm|regulator|rtc|sysctrl|usb]"; + A few child devices require ADC channels from the GPADC node. Those follow the + standard bindings from iio/iio-bindings.txt + + abx500-temp : io-channels "aux1" and "aux2" for measuring external + temperatures + ab8500_fg : io-channel "main_bat_v" for measuring main battery voltage + ab8500_btemp : io-channels "btemp_ball" and "bat_ctrl" for measuring the + battery voltage + ab8500_charger : io-channels "main_charger_v", "main_charger_c", "vbus_v", + "usb_charger_c" for measuring voltage and current of the + different charging supplies + Optional child device properties: - interrupts : contains the device IRQ(s) using the 2-cell format (see above) - interrupt-names : contains names of IRQ resource in the order in which they were @@ -102,8 +114,115 @@ ab8500 { 39 0x4>; interrupt-names = "HW_CONV_END", "SW_CONV_END"; vddadc-supply = <&ab8500_ldo_tvout_reg>; + #address-cells = <1>; + #size-cells = <0>; + #io-channel-cells = <1>; + + /* GPADC channels */ + bat_ctrl: adc-channel@01 { + reg = <0x01>; + }; + btemp_ball: adc-channel@02 { + reg = <0x02>; + }; + main_charger_v: adc-channel@03 { + reg = <0x03>; + }; + acc_detect1: adc-channel@04 { + reg = <0x04>; + }; + acc_detect2: adc-channel@05 { + reg = <0x05>; + }; + adc_aux1: adc-channel@06 { + reg = <0x06>; + }; + adc_aux2: adc-channel@07 { + reg = <0x07>; + }; + main_batt_v: adc-channel@08 { + reg = <0x08>; + }; + vbus_v: adc-channel@09 { + reg = <0x09>; + }; + main_charger_c: adc-channel@0a { + reg = <0x0a>; + }; + usb_charger_c: adc-channel@0b { + reg = <0x0b>; + }; + bk_bat_v: adc-channel@0c { + reg = <0x0c>; + }; + die_temp: adc-channel@0d { + reg = <0x0d>; + }; + usb_id: adc-channel@0e { + reg = <0x0e>; + }; + xtal_temp: adc-channel@12 { + reg = <0x12>; + }; + vbat_true_meas: adc-channel@13 { + reg = <0x13>; + }; + bat_ctrl_and_ibat: adc-channel@1c { + reg = <0x1c>; + }; + vbat_meas_and_ibat: adc-channel@1d { + reg = <0x1d>; + }; + vbat_true_meas_and_ibat: adc-channel@1e { + reg = <0x1e>; + }; + bat_temp_and_ibat: adc-channel@1f { + reg = <0x1f>; + }; }; + ab8500_temp { + compatible = "stericsson,abx500-temp"; + io-channels = <&gpadc 0x06>, + <&gpadc 0x07>; + io-channel-name = "aux1", "aux2"; + }; + + ab8500_battery: ab8500_battery { + stericsson,battery-type = "LIPO"; + thermistor-on-batctrl; + }; + + ab8500_fg { + compatible = "stericsson,ab8500-fg"; + battery = <&ab8500_battery>; + io-channels = <&gpadc 0x08>; + io-channel-name = "main_bat_v"; + }; + + ab8500_btemp { + compatible = "stericsson,ab8500-btemp"; + battery = <&ab8500_battery>; + io-channels = <&gpadc 0x02>, + <&gpadc 0x01>; + io-channel-name = "btemp_ball", + "bat_ctrl"; + }; + + ab8500_charger { + compatible = "stericsson,ab8500-charger"; + battery = <&ab8500_battery>; + vddadc-supply = <&ab8500_ldo_tvout_reg>; + io-channels = <&gpadc 0x03>, + <&gpadc 0x0a>, + <&gpadc 0x09>, + <&gpadc 0x0b>; + io-channel-name = "main_charger_v", + "main_charger_c", + "vbus_v", + "usb_charger_c"; + }; + ab8500-usb { compatible = "stericsson,ab8500-usb"; interrupts = < 90 0x4