From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Authentication-Results: lists.ozlabs.org; spf=none (mailfrom) smtp.mailfrom=nuvoton.com (client-ip=212.199.177.27; helo=herzl.nuvoton.co.il; envelope-from=tomer.maimon@nuvoton.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=fail (p=none dis=none) header.from=gmail.com Received: from herzl.nuvoton.co.il (212.199.177.27.static.012.net.il [212.199.177.27]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 43SsyV75SKzDqF7 for ; Mon, 31 Dec 2018 20:51:11 +1100 (AEDT) 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 wBV9L2n7000530; Mon, 31 Dec 2018 11:21:02 +0200 Received: by taln60.nuvoton.co.il (Postfix, from userid 10070) id A171E62DA6; Mon, 31 Dec 2018 11:51:00 +0200 (IST) From: Tomer Maimon To: joel@jms.id.au Cc: openbmc@lists.ozlabs.org, Tomer Maimon Subject: [linux dev-4.19 v1 1/4] dt-binding: iio: add NPCM ADC documentation Date: Mon, 31 Dec 2018 11:50:53 +0200 Message-Id: <20181231095056.86234-2-tmaimon77@gmail.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20181231095056.86234-1-tmaimon77@gmail.com> References: <20181231095056.86234-1-tmaimon77@gmail.com> X-BeenThere: openbmc@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development list for OpenBMC List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 31 Dec 2018 09:51:16 -0000 Added device tree binding documentation for Nuvoton BMC NPCM Analog-to-Digital Converter(ADC). Signed-off-by: Tomer Maimon --- .../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..6f0843d837cc --- /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>; +}; -- 2.14.1