From patchwork Wed Mar 18 20:28:37 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandru Lazar X-Patchwork-Id: 11445929 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 87FD3159A for ; Wed, 18 Mar 2020 20:24:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 673F92077B for ; Wed, 18 Mar 2020 20:24:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=startmail.com header.i=@startmail.com header.b="MopewJYQ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726796AbgCRUY0 (ORCPT ); Wed, 18 Mar 2020 16:24:26 -0400 Received: from mx-out1.startmail.com ([145.131.90.139]:39414 "EHLO mx-out1.startmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726638AbgCRUY0 (ORCPT ); Wed, 18 Mar 2020 16:24:26 -0400 From: Alexandru Lazar DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=startmail.com; s=2017-11; t=1584563064; bh=MlE0HVapoLOg6TQo/7AbrkVaSbIZrlvM8w8SZYpuwtE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MopewJYQzEBK/fz0l6Iu4OOCKdbCKSClTeOSsKo9oafNO46L0gkyYwiOxkmJxuRTr S4CSSOmu+mz5jTkpS6SSFvLacRvePiVZBk6wPiqPkOcI6Qr5gSqm6rSfwOrWGDWHGG u4BklhaSR6KiKgObsVwVPaAMENGxE1YtyR27e7IAHTdc7AFJvmHfLdRKcSEC9m5rnO R2bieUmBLhTOhfjTJPEkwj+CwljHI4wURkq1Cfe8d6AwA4LSProZb/OFvylZF181cA yITebYmUHsO+jeCzD2hkHvY1kkxVyqQyCfrhoVRfECtGa7KbwsvUMjbOFdso00b6bm eRKilJKx1pabg== To: linux-iio@vger.kernel.org Cc: jic23@kernel.org, knaack.h@gmx.de, lars@metafoo.de, pmeerw@pmeerw.net, robh+dt@kernel.org, mark.rutland@arm.com, Alexandru Lazar Subject: [PATCH 2/2] dt-bindings: iio: adc: Add MAX1241 device tree bindings in documentation Date: Wed, 18 Mar 2020 22:28:37 +0200 Message-Id: <20200318202837.512428-3-alazar@startmail.com> In-Reply-To: <20200318202837.512428-1-alazar@startmail.com> References: <20200318202837.512428-1-alazar@startmail.com> MIME-Version: 1.0 Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Add device-tree bindings documentation for the MAX1241 device driver. Signed-off-by: Alexandru Lazar --- .../bindings/iio/adc/maxim,max1241.yaml | 62 +++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/maxim,max1241.yaml diff --git a/Documentation/devicetree/bindings/iio/adc/maxim,max1241.yaml b/Documentation/devicetree/bindings/iio/adc/maxim,max1241.yaml new file mode 100644 index 000000000000..28c73ed795aa --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/maxim,max1241.yaml @@ -0,0 +1,62 @@ +# SPDX-License-Identifier: GPL-2.0 +# Copyright 2020 Ioan-Alexandru Lazar +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/maxim,max1241.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Maxim MAX1241 12-bit, single-channel analog to digital converter + +maintainers: + - Ioan-Alexandru Lazar + +description: | + Bindings for the max1241 12-bit, single-channel ADC device. This + driver supports voltage reading and can optionally be configured for + power-down mode operation. The datasheet can be found at: + https://datasheets.maximintegrated.com/en/ds/MAX1240-MAX1241.pdf + +properties: + compatible: + enum: + - maxim,max1241 + + reg: + description: SPI chip select number for this device + maxItems: 1 + + vref-supply: + description: + Device tree identifier of the regulator that provides the external + reference voltage. + maxItems: 1 + + shdn-gpios: + description: + GPIO spec for the GPIO pin connected to the ADC's /SHDN pin. If + specified, the /SHDN pin will be asserted between conversions, + thus enabling power-down mode. + maxItems: 1 + +required: + - compatible + - reg + - vref-supply + +examples: + - | + #include + spi0 { + #address-cells = <1>; + #size-cells = <0>; + + adc@0 { + compatible = "maxim,max1241"; + reg = <0>; + vref-supply = <&vdd_3v3_reg>; + spi-max-frequency = <1000000>; + shdn-gpios = <&gpio 26 1>; + }; + }; + +