From patchwork Tue Apr 10 08:57:55 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eugen Hristev X-Patchwork-Id: 10332639 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 88EE66053B for ; Tue, 10 Apr 2018 09:08:03 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7A14528C58 for ; Tue, 10 Apr 2018 09:08:03 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6E66E28D6B; Tue, 10 Apr 2018 09:08:03 +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, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=unavailable 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 C96C828C58 for ; Tue, 10 Apr 2018 09:08:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753156AbeDJJGg (ORCPT ); Tue, 10 Apr 2018 05:06:36 -0400 Received: from esa3.microchip.iphmx.com ([68.232.153.233]:10525 "EHLO esa3.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753126AbeDJJG2 (ORCPT ); Tue, 10 Apr 2018 05:06:28 -0400 X-IronPort-AV: E=Sophos;i="5.48,431,1517900400"; d="scan'208";a="13113664" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa3.microchip.iphmx.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 10 Apr 2018 02:06:27 -0700 Received: from eh-station.mchp-main.com (10.10.76.4) by chn-sv-exch02.mchp-main.com (10.10.76.38) with Microsoft SMTP Server id 14.3.352.0; Tue, 10 Apr 2018 02:06:26 -0700 From: Eugen Hristev To: , , , , , , , , , , CC: Eugen Hristev Subject: [PATCH v3 09/11] dt-bindings: iio: adc: at91-sama5d2_adc: add channel specific consumer info Date: Tue, 10 Apr 2018 11:57:55 +0300 Message-ID: <1523350677-27106-10-git-send-email-eugen.hristev@microchip.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1523350677-27106-1-git-send-email-eugen.hristev@microchip.com> References: <1523350677-27106-1-git-send-email-eugen.hristev@microchip.com> MIME-Version: 1.0 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 defines for channel consumer device-tree binding Signed-off-by: Eugen Hristev Reviewed-by: Rob Herring --- .../devicetree/bindings/iio/adc/at91-sama5d2_adc.txt | 9 +++++++++ include/dt-bindings/iio/adc/at91-sama5d2_adc.h | 16 ++++++++++++++++ 2 files changed, 25 insertions(+) create mode 100644 include/dt-bindings/iio/adc/at91-sama5d2_adc.h diff --git a/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt b/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt index 6469a4c..4a3c1d4 100644 --- a/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt +++ b/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt @@ -21,6 +21,14 @@ Optional properties: - dmas: Phandle to dma channel for the ADC. - dma-names: Must be "rx" when dmas property is being used. See ../../dma/dma.txt for details. + - #io-channel-cells: in case consumer drivers are attached, this must be 1. + See for details. + +Properties for consumer drivers: + - Consumer drivers can be connected to this producer device, as specified + in + - Channels exposed are specified in: + Example: @@ -38,4 +46,5 @@ adc: adc@fc030000 { atmel,trigger-edge-type = ; dmas = <&dma0 (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) | AT91_XDMAC_DT_PERID(25))>; dma-names = "rx"; + #io-channel-cells = <1>; } diff --git a/include/dt-bindings/iio/adc/at91-sama5d2_adc.h b/include/dt-bindings/iio/adc/at91-sama5d2_adc.h new file mode 100644 index 0000000..70f99db --- /dev/null +++ b/include/dt-bindings/iio/adc/at91-sama5d2_adc.h @@ -0,0 +1,16 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * This header provides constants for configuring the AT91 SAMA5D2 ADC + */ + +#ifndef _DT_BINDINGS_IIO_ADC_AT91_SAMA5D2_ADC_H +#define _DT_BINDINGS_IIO_ADC_AT91_SAMA5D2_ADC_H + +/* X relative position channel index */ +#define AT91_SAMA5D2_ADC_X_CHANNEL 24 +/* Y relative position channel index */ +#define AT91_SAMA5D2_ADC_Y_CHANNEL 25 +/* pressure channel index */ +#define AT91_SAMA5D2_ADC_P_CHANNEL 26 + +#endif