From patchwork Fri Apr 5 00:14:09 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sowjanya Komatineni X-Patchwork-Id: 10886721 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 4BA951708 for ; Fri, 5 Apr 2019 00:16:04 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 39A3928958 for ; Fri, 5 Apr 2019 00:16:04 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2DFFC28AEF; Fri, 5 Apr 2019 00:16:04 +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=-7.7 required=2.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 D1E6928958 for ; Fri, 5 Apr 2019 00:15:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730153AbfDEAPr (ORCPT ); Thu, 4 Apr 2019 20:15:47 -0400 Received: from hqemgate16.nvidia.com ([216.228.121.65]:11313 "EHLO hqemgate16.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730586AbfDEAOa (ORCPT ); Thu, 4 Apr 2019 20:14:30 -0400 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqemgate16.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Thu, 04 Apr 2019 17:14:27 -0700 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Thu, 04 Apr 2019 17:14:30 -0700 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Thu, 04 Apr 2019 17:14:30 -0700 Received: from HQMAIL102.nvidia.com (172.18.146.10) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Fri, 5 Apr 2019 00:14:29 +0000 Received: from HQMAIL108.nvidia.com (172.18.146.13) by HQMAIL102.nvidia.com (172.18.146.10) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Fri, 5 Apr 2019 00:14:29 +0000 Received: from hqnvemgw02.nvidia.com (172.16.227.111) by HQMAIL108.nvidia.com (172.18.146.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Fri, 5 Apr 2019 00:14:29 +0000 Received: from skomatineni-linux.nvidia.com (Not Verified[10.110.103.48]) by hqnvemgw02.nvidia.com with Trustwave SEG (v7,5,8,10121) id ; Thu, 04 Apr 2019 17:14:28 -0700 From: Sowjanya Komatineni To: , , , , , , , CC: , , , , Subject: [PATCH V2 10/20] Documentation: devicetree: spi: add spi-lsbyte-first propery Date: Thu, 4 Apr 2019 17:14:09 -0700 Message-ID: <1554423259-26056-10-git-send-email-skomatineni@nvidia.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1554423259-26056-1-git-send-email-skomatineni@nvidia.com> References: <1554423259-26056-1-git-send-email-skomatineni@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1554423268; bh=5uHypwSY4U3j8OtijhVLMmN6YMehZClSYoL4TmfKe/U=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:X-NVConfidentiality:MIME-Version: Content-Type; b=QdHTP3apOQyTw/q05IM3ohUlig+0MsNJOYyk0JcyqMPG4VvkQLZIjnLMyfqUuinwM o3OGzHVaIHml2drK8CPrPKyCqqd8Wj8sDjSc62p0+f2E+qVvb354/i+CRAxPgii7CX p+tm/MqVLEJJN8TtzVDCs91OmuunL0lZVKgllBIRrB3LFBZ+7aoN+rWkg9KqyeB92i wVqXfG93jtN6k5QkCJCqG0kIBTe2GTsbFcMLOYrMAvgKuEe/6WqweZ8yG1RCFxJCHO 7sM+X5c1Aqrqed8+3LGhk6f4AD6kNkX1z+wc0omHQTfW7Orto3Aklg8V8pL6qvmURa aF9tlGxV2kk/A== Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP spi-lsbyte-first optional property allows SPI slaves to choose byte order of little endian for transfers. Signed-off-by: Sowjanya Komatineni --- Documentation/devicetree/bindings/spi/spi-bus.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/spi/spi-bus.txt b/Documentation/devicetree/bindings/spi/spi-bus.txt index 1f6e86f787ef..b455c24a80df 100644 --- a/Documentation/devicetree/bindings/spi/spi-bus.txt +++ b/Documentation/devicetree/bindings/spi/spi-bus.txt @@ -71,6 +71,7 @@ All slave nodes can contain the following optional properties: active high. - spi-3wire - Empty property indicating device requires 3-wire mode. - spi-lsb-first - Empty property indicating device requires LSB first mode. +- spi-lsbyte-first - Empty property indicating device requires LSByte first mode. - spi-tx-bus-width - The bus width (number of data wires) that is used for MOSI. Defaults to 1 if not present. - spi-rx-bus-width - The bus width (number of data wires) that is used for MISO.