Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753444AbaGMLZW (ORCPT ); Sun, 13 Jul 2014 07:25:22 -0400 Received: from gloria.sntech.de ([95.129.55.99]:51398 "EHLO gloria.sntech.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753396AbaGMLZP (ORCPT ); Sun, 13 Jul 2014 07:25:15 -0400 From: Heiko =?ISO-8859-1?Q?St=FCbner?= To: Jonathan Cameron Cc: Peter Meerwald , Hartmut Knaack , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, devicetree@vger.kernel.org, Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , =?utf-8?B?ZWRkaWUo6JSh5p6rKQ==?= , huangtao@rock-chips.com Subject: [PATCH v4 2/2] dt-bindings: document Rockchip saradc Date: Sun, 13 Jul 2014 13:26:40 +0200 Message-ID: <7439684.1fjWVfLerD@diego> User-Agent: KMail/4.11.5 (Linux/3.13-1-amd64; KDE/4.11.3; x86_64; ; ) In-Reply-To: <3234956.d4q5ZB3IB8@diego> References: <3234956.d4q5ZB3IB8@diego> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This add the necessary binding documentation for the saradc found in all recent processors from Rockchip. Signed-off-by: Heiko Stuebner --- changes since v1: - fix typos found by Hartmut Knaack .../bindings/iio/adc/rockchip-saradc.txt | 28 ++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/rockchip-saradc.txt diff --git a/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.txt b/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.txt new file mode 100644 index 0000000..e38f13d --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.txt @@ -0,0 +1,28 @@ +Rockchip Successive Approximation Register (SAR) A/D Converter bindings + +Required properties: +- compatible: Should be "rockchip,saradc" +- reg: physical base address of the controller and length of memory mapped + region. +- interrupts: The interrupt number to the cpu. The interrupt specifier format + depends on the interrupt controller. +- clocks: Must contain an entry for each entry in clock-names. +- clock-names: Shall be "saradc" for the converter-clock, and "apb_pclk" for + the peripheral clock. +- vref-supply: The regulator supply ADC reference voltage. +- #io-channel-cells: Should be 1, see ../iio-bindings.txt + +Optional properties : +- clock-frequency : converter frequency in Hz. If omitted, 1MHz is used. + +Example: + saradc: saradc@2006c000 { + compatible = "rockchip,saradc"; + reg = <0x2006c000 0x100>; + interrupts = ; + clocks = <&cru SCLK_SARADC>, <&cru PCLK_SARADC>; + clock-names = "saradc", "apb_pclk"; + #io-channel-cells = <1>; + vref-supply = <&vcc18>; + clock-frequency = <1000000>; + }; -- 1.9.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/