From patchwork Mon Apr 30 10:32:13 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eugen Hristev X-Patchwork-Id: 906636 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=microchip.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 40ZLYk5Njmz9s28 for ; Mon, 30 Apr 2018 20:36:26 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752534AbeD3KfX (ORCPT ); Mon, 30 Apr 2018 06:35:23 -0400 Received: from esa6.microchip.iphmx.com ([216.71.154.253]:28089 "EHLO esa6.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751064AbeD3KfS (ORCPT ); Mon, 30 Apr 2018 06:35:18 -0400 X-IronPort-AV: E=Sophos;i="5.49,346,1520924400"; d="scan'208";a="11021809" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa6.microchip.iphmx.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 30 Apr 2018 03:35:17 -0700 Received: from eh-station.mchp-main.com (10.10.76.4) by chn-sv-exch05.mchp-main.com (10.10.76.106) with Microsoft SMTP Server id 14.3.352.0; Mon, 30 Apr 2018 03:35:17 -0700 From: Eugen Hristev To: , , , , , , , , , , CC: Eugen Hristev Subject: [PATCH v4 7/9] dt-bindings: iio: adc: at91-sama5d2_adc: add channel specific consumer info Date: Mon, 30 Apr 2018 13:32:13 +0300 Message-ID: <1525084335-11276-8-git-send-email-eugen.hristev@microchip.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1525084335-11276-1-git-send-email-eugen.hristev@microchip.com> References: <1525084335-11276-1-git-send-email-eugen.hristev@microchip.com> MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org 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