From patchwork Wed Jan 9 16:43:42 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomer Maimon X-Patchwork-Id: 10754543 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C05196C5 for ; Wed, 9 Jan 2019 16:44:52 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id AF55A28B20 for ; Wed, 9 Jan 2019 16:44:52 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A341528B95; Wed, 9 Jan 2019 16:44:52 +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=-7.9 required=2.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham 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 BEAFB28B20 for ; Wed, 9 Jan 2019 16:44:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725785AbfAIQou (ORCPT ); Wed, 9 Jan 2019 11:44:50 -0500 Received: from 212.199.177.27.static.012.net.il ([212.199.177.27]:57144 "EHLO herzl.nuvoton.co.il" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725681AbfAIQou (ORCPT ); Wed, 9 Jan 2019 11:44:50 -0500 Received: from taln60.nuvoton.co.il (ntil-fw [212.199.177.25]) by herzl.nuvoton.co.il (8.13.8/8.13.8) with ESMTP id x09GDmkP005608; Wed, 9 Jan 2019 18:13:48 +0200 Received: by taln60.nuvoton.co.il (Postfix, from userid 10070) id BA80762DA6; Wed, 9 Jan 2019 18:43:45 +0200 (IST) From: Tomer Maimon To: jic23@kernel.org, knaack.h@gmx.de, lars@metafoo.de, pmeerw@pmeerw.net, robh+dt@kernel.org, mark.rutland@arm.com, yuenn@google.com, venture@google.com, brendanhiggins@google.com, avifishman70@gmail.com, joel@jms.id.au Cc: linux-iio@vger.kernel.org, openbmc@lists.ozlabs.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Tomer Maimon Subject: [PATCH v2 1/2] dt-binding: iio: add NPCM ADC documentation Date: Wed, 9 Jan 2019 18:43:42 +0200 Message-Id: <20190109164343.164205-2-tmaimon77@gmail.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20190109164343.164205-1-tmaimon77@gmail.com> References: <20190109164343.164205-1-tmaimon77@gmail.com> Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Added device tree binding documentation for Nuvoton BMC NPCM Analog-to-Digital Converter(ADC). Signed-off-by: Tomer Maimon Reviewed-by: Rob Herring --- .../bindings/iio/adc/nuvoton,npcm-adc.txt | 35 ++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/nuvoton,npcm-adc.txt diff --git a/Documentation/devicetree/bindings/iio/adc/nuvoton,npcm-adc.txt b/Documentation/devicetree/bindings/iio/adc/nuvoton,npcm-adc.txt new file mode 100644 index 000000000000..1b8132cd9060 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/nuvoton,npcm-adc.txt @@ -0,0 +1,35 @@ +Nuvoton NPCM Analog to Digital Converter (ADC) + +The NPCM ADC is a 10-bit converter for eight channel inputs. + +Required properties: +- compatible: "nuvoton,npcm750-adc" for the NPCM7XX BMC. +- reg: specifies physical base address and size of the registers. +- interrupts: Contain the ADC interrupt with flags for falling edge. + +Optional properties: +- clocks: phandle of ADC reference clock, in case the clock is not + added the ADC will use the default ADC sample rate. +- vref-supply: The regulator supply ADC reference voltage, in case the + vref-supply is not added the ADC will use internal voltage + reference. + +Required Node in the NPCM7xx BMC: +An additional register is present in the NPCM7xx SOC which is +assumed to be in the same device tree, with and marked as +compatible with "nuvoton,npcm750-rst". + +Example: + +adc: adc@f000c000 { + compatible = "nuvoton,npcm750-adc"; + reg = <0xf000c000 0x8>; + interrupts = ; + clocks = <&clk NPCM7XX_CLK_ADC>; +}; + +rst: rst@f0801000 { + compatible = "nuvoton,npcm750-rst", "syscon", + "simple-mfd"; + reg = <0xf0801000 0x6C>; +};