From patchwork Mon Jan 16 11:50:48 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mario Kicherer X-Patchwork-Id: 13102961 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 67A40C54EBE for ; Mon, 16 Jan 2023 12:20:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230221AbjAPMUc (ORCPT ); Mon, 16 Jan 2023 07:20:32 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49612 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230396AbjAPMS1 (ORCPT ); Mon, 16 Jan 2023 07:18:27 -0500 Received: from mail.zeus06.de (www.zeus06.de [194.117.254.36]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6B1071F5F6 for ; Mon, 16 Jan 2023 04:18:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=simple; d=kicherer.org; h=from:to :cc:subject:date:message-id:mime-version :content-transfer-encoding; s=k1; bh=xmX8bnCtzHHHUHcRkL7ZB4zHkhx dcSUADyCVa1KEbZs=; b=d3XzbG6MO2wo4fgXtMLaPcAs98M+hLeY4Lq0Z0+Rqwe R+rcahbeZnqptWfiYcUj2j2sYinjoqLT7QM/yXw7w49t66DGc9Q7rh87Ts4ARB92 /fE+bGdAe4H1F03uNjnibHMiNI9vk16tWhJV4+WYV5TNoxjzXXM8sdW0WV/6PVp0 = Received: (qmail 669709 invoked from network); 16 Jan 2023 12:51:34 +0100 Received: by mail.zeus06.de with ESMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 16 Jan 2023 12:51:34 +0100 X-UD-Smtp-Session: l3s6476p2@KVj+M2Dy0crCtAHJ From: Mario Kicherer To: linux-spi@vger.kernel.org Cc: han.xu@nxp.com, broonie@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, devicetree@vger.kernel.org, Mario Kicherer Subject: [PATCH 0/2] spi: spi-fsl-qspi: support setting sampling delay through devicetree Date: Mon, 16 Jan 2023 12:50:48 +0100 Message-Id: <20230116115050.2983406-1-dev@kicherer.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org The internal sampling point of incoming data can be delayed by modifying the QuadSPI_SMPR register. This patch enables setting this delay using a device tree entry. Mario Kicherer (2): spi: dt-bindings: spi-fsl-qspi: add optional sampling-delay spi: spi-fsl-qspi: support setting sampling delay through devicetree .../bindings/spi/fsl,spi-fsl-qspi.yaml | 6 ++++++ drivers/spi/spi-fsl-qspi.c | 21 +++++++++++++++---- 2 files changed, 23 insertions(+), 4 deletions(-)