From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761095AbcLBN7B (ORCPT ); Fri, 2 Dec 2016 08:59:01 -0500 Received: from mx07-00178001.pphosted.com ([62.209.51.94]:58819 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753396AbcLBN66 (ORCPT ); Fri, 2 Dec 2016 08:58:58 -0500 From: Fabrice Gasnier To: , , , , CC: , , Subject: [PATCH 3/3] ARM: dts: stm32: enable ADC on stm32f429i-eval board Date: Fri, 2 Dec 2016 14:57:02 +0100 Message-ID: <1480687022-12851-4-git-send-email-fabrice.gasnier@st.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1480687022-12851-1-git-send-email-fabrice.gasnier@st.com> References: <1480687022-12851-1-git-send-email-fabrice.gasnier@st.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.48.0.167] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2016-12-02_10:,, signatures=0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Enable analog to digital converter on stm32f429i-eval board. It has on-board potentimeter wired to ADC3 in8 analog pin and uses fixed regulator to provide reference voltage. Signed-off-by: Fabrice Gasnier --- arch/arm/boot/dts/stm32429i-eval.dts | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/arch/arm/boot/dts/stm32429i-eval.dts b/arch/arm/boot/dts/stm32429i-eval.dts index 13c7cd2..6be0a24 100644 --- a/arch/arm/boot/dts/stm32429i-eval.dts +++ b/arch/arm/boot/dts/stm32429i-eval.dts @@ -65,6 +65,20 @@ serial0 = &usart1; }; + regulators { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <0>; + + reg_vref: regulator@0 { + compatible = "regulator-fixed"; + reg = <0>; + regulator-name = "vref"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; + }; + leds { compatible = "gpio-leds"; green { @@ -123,3 +137,14 @@ pinctrl-names = "default"; status = "okay"; }; + +&adc { + pinctrl-names = "default"; + pinctrl-0 = <&adc3_in8_pin>; + vref-supply = <®_vref>; + status = "okay"; + adc3: adc@200 { + st,adc-channels = <8>; + status = "okay"; + }; +}; -- 1.9.1