From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932285AbdGKMcR (ORCPT ); Tue, 11 Jul 2017 08:32:17 -0400 Received: from mx07-00178001.pphosted.com ([62.209.51.94]:55526 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755483AbdGKMbl (ORCPT ); Tue, 11 Jul 2017 08:31:41 -0400 From: Fabrice Gasnier To: , , , CC: , , , , , , Subject: [PATCH 1/3] dt-bindings: regulator: Add STM32 Voltage Reference Buffer Date: Tue, 11 Jul 2017 14:30:31 +0200 Message-ID: <1499776233-29116-2-git-send-email-fabrice.gasnier@st.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1499776233-29116-1-git-send-email-fabrice.gasnier@st.com> References: <1499776233-29116-1-git-send-email-fabrice.gasnier@st.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.75.127.48] X-ClientProxiedBy: SFHDAG6NODE1.st.com (10.75.127.16) To SFHDAG5NODE3.st.com (10.75.127.15) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2017-07-11_05:,, signatures=0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Document STM32 VREFBUF (voltage reference buffer) which can be used as voltage reference for ADCs, DACs and external components. Signed-off-by: Fabrice Gasnier --- .../bindings/regulator/st,stm32-vrefbuf.txt | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 Documentation/devicetree/bindings/regulator/st,stm32-vrefbuf.txt diff --git a/Documentation/devicetree/bindings/regulator/st,stm32-vrefbuf.txt b/Documentation/devicetree/bindings/regulator/st,stm32-vrefbuf.txt new file mode 100644 index 0000000..3944ee3 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/st,stm32-vrefbuf.txt @@ -0,0 +1,20 @@ +STM32 VREFBUF - Voltage reference buffer + +Some STM32 devices embed a voltage reference buffer which can be used as +voltage reference for ADCs, DACs and also as voltage reference for external +components through the dedicated VREF+ pin. + +Required properties: +- compatible: Must be "st,stm32-vrefbuf". +- reg: Offset and length of VREFBUF register set. +- clocks: Must contain an entry for peripheral clock. + +Example: + vrefbuf: regulator@58003C00 { + compatible = "st,stm32-vrefbuf"; + reg = <0x58003C00 0x8>; + clocks = <&rcc VREF_CK>; + regulator-min-microvolt = <1500000>; + regulator-max-microvolt = <2500000>; + vdda-supply = <&vdda>; + }; -- 1.9.1