From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F12B5C2D0B1 for ; Thu, 6 Feb 2020 08:39:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C29A220838 for ; Thu, 6 Feb 2020 08:39:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="KtIIxuuR" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727998AbgBFIjC (ORCPT ); Thu, 6 Feb 2020 03:39:02 -0500 Received: from mail-pj1-f66.google.com ([209.85.216.66]:35889 "EHLO mail-pj1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726365AbgBFIjB (ORCPT ); Thu, 6 Feb 2020 03:39:01 -0500 Received: by mail-pj1-f66.google.com with SMTP id gv17so2225081pjb.1; Thu, 06 Feb 2020 00:39:00 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=HwGyHmGXfASIaRJuQY6L3gHfMqGpjQ8XwHA8GdO3X0M=; b=KtIIxuuRoKtbZHisofd3Pl2bTYEcpTmy1wF14kxJuSeuZN40PbwtM3axETID8KGIDE 0HUpsXxKTecPjTUEaeJ2Icf6auWOjJGHPGDb0/f+nFXwYFXyxaVhaDkgr1q+C8HIla2g t74BrZCV/B6Mrnki4QYhMWNPGYvXYU7RYu2jN+Ay8Hc3c7emrZIdEeEocZJdJKdKw/yI pV7AKDIqlHXEkmdKlb2kyx3ch2IQYDx70Adw11rv4hGDo41SOjOC766Cc5cRXiH93yJk J+4RHtGgxuT8ADKebKgfDxzKM69VfuUzxCtMUFvnxz69+3AuGHnC/R7iG6Y9i0ARM/BK jeOw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=HwGyHmGXfASIaRJuQY6L3gHfMqGpjQ8XwHA8GdO3X0M=; b=jNz+tkRLasQF6ajYRkS4w3KI/CFuNGflG0M9Vx2/GhbtQrp5UgBu0ToSK2UwKm6axq d5eR09olG+zbhl3mIBIgDen1Th7Jr/5d+ByrBPaTU70x18YxQxOpUNOPwGtTP8aDlvdT goOxg26JNRWic8v3fF9Ut6S52rs3pN4V+P+NGKBSunaf1FL8z8D6CcyAcg4LhDEBetAw TY8PNXX7LTlIiwiDANv7XLbW9KXGZTY233fHHBuoKRUo6yX4TbGTmfDhOZYjs3GvwHGF fSdUeeGmb1U4uMflXZcfHQPgeDD1uO6Pf+R06a/SGIc7wZNTrviSWs8TC6qZv7UBskLC Rd4Q== X-Gm-Message-State: APjAAAUbYKccZE0t+By4RbemGMuzhWk9yIUWkwltOyG47GrU1N2JJv78 hr8ZWujISe1GmgUGHvw5QclciUhOhiBNpg== X-Google-Smtp-Source: APXvYqwel+KlR93iMSA/Mz/DvVQAx8knXFQc2QhmrHwXCA5syYxUqt+Uy6RIll2QhNRErJONC+JVbg== X-Received: by 2002:a17:90b:30c9:: with SMTP id hi9mr2833551pjb.81.1580978339267; Thu, 06 Feb 2020 00:38:59 -0800 (PST) Received: from localhost.localdomain ([240e:379:947:2855::fa3]) by smtp.gmail.com with ESMTPSA id y9sm2387631pjj.17.2020.02.06.00.38.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 06 Feb 2020 00:38:58 -0800 (PST) From: Chuanhong Guo To: linux-spi@vger.kernel.org Cc: Mark Brown , linux-kernel@vger.kernel.org, Chuanhong Guo Subject: [PATCH 0/2] spi: add driver for ar934x spi controller Date: Thu, 6 Feb 2020 16:38:20 +0800 Message-Id: <20200206083822.204534-1-gch981213@gmail.com> X-Mailer: git-send-email 2.24.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This controller is a superset of the already supported qca,ar7100-spi. Besides the bit-bang mode in spi-ath79.c, this new controller added a new "shift register" mode, allowing faster spi operations. This mode doesn't need all the bit-bang code in spi-ath79.c and needs a different clock setup, so I decided to write a new driver for it instead of extending current spi-ath79 driver. Chuanhong Guo (2): spi: add driver for ar934x spi controller dt-binding: spi: add bindings for spi-ar934x .../bindings/spi/qca,ar934x-spi.yaml | 40 +++ drivers/spi/Kconfig | 7 + drivers/spi/Makefile | 1 + drivers/spi/spi-ar934x.c | 230 ++++++++++++++++++ 4 files changed, 278 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/qca,ar934x-spi.yaml create mode 100644 drivers/spi/spi-ar934x.c -- 2.24.1