From patchwork Fri Jun 7 14:48:00 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eugeniy Paltsev X-Patchwork-Id: 1111952 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.infradead.org (client-ip=2607:7c80:54:e::133; helo=bombadil.infradead.org; envelope-from=linux-snps-arc-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=synopsys.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="pWuIJcmB"; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=synopsys.com header.i=@synopsys.com header.b="PsP48qsv"; dkim-atps=neutral Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 45L57t0bmCz9sNd for ; Sat, 8 Jun 2019 00:51:22 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=HIb88gLGcyHv9S6W9JQ6SSQVugzWB/zuM6bvbgjpgX0=; b=pWuIJcmBWvcOKc sBkpVhJvRvrwwPs4sAtk1kJReDs6+jI26l9bOx44LreYEfIFRX9ZcGlHY/I+2QhKbTSwP1WJzX1tN FyUmvbysve6hYoVYJL//O+4ch8b30UUAgMqm/i89+KaITpF8EZqgK9wZQOXe6sbbb3SlINnoCSC+F nabNHwQf2LT8fgnO9wfmdXUrgtf5z/fcY+rGud0929A+wHbsnfhvZ267JYqRTROth4xHXfcTrOK1I A2LDYb/KsL1QKBPjIOi4pEWgTjE7v9DURBhHJdIv67E5P025qKtbrYO2qP8IRbuDRpKldHQ9L2aSt f+C6mW0wfFLOGvrpifZA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hZGD9-0005m1-Gr; Fri, 07 Jun 2019 14:51:19 +0000 Received: from smtprelay-out1.synopsys.com ([198.182.47.102]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hZGAJ-0001mN-Tm for linux-snps-arc@lists.infradead.org; Fri, 07 Jun 2019 14:48:28 +0000 Received: from mailhost.synopsys.com (unknown [10.225.0.210]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by smtprelay-out1.synopsys.com (Postfix) with ESMTPS id 0571EC01B1; Fri, 7 Jun 2019 14:48:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=synopsys.com; s=mail; t=1559918900; bh=c4JCx7xGqtA6Q0yYJPhCoJ8QkXgg6kd7SK1vh9WrDpA=; h=From:To:Cc:Subject:Date:From; b=PsP48qsv3Wqvn9GbjqndsazHYaUFh6HfW0T1b4/xc3NS53eIoi0XDfmtTL4nl5I+/ WCXBUwfEa+H5TQM78cUR213pce50BiJWxmoEugYKGGcwPWeoClterp19B4I5QBgJRl TlYL7HUgTY/Fr4uLpvwLCicGPshnEGFSr6ib9r3+LVU33ZcUAwdc379FBXoi5F3Dwf rGtnafJqCtr/Kc1XqL2Ji8pPyIUiOH0CrhEavpF3Od9+EMYY2ZTExywWbNd+A5r6ks A9BW5vADvRGDNLFPHnRyu0+/L5Jtacnug8n2TJ7z0xLaeJ7sRc7Q0xBu1h7mRSDvc/ lUasJSAdl1Ocw== Received: from paltsev-e7480.internal.synopsys.com (paltsev-e7480.internal.synopsys.com [10.121.3.20]) by mailhost.synopsys.com (Postfix) with ESMTP id 57C63A022E; Fri, 7 Jun 2019 14:48:17 +0000 (UTC) From: Eugeniy Paltsev To: linux-snps-arc@lists.infradead.org, Vineet Gupta Subject: [PATCH] ARC: [plat-hsdk]: enable DW SPI controller Date: Fri, 7 Jun 2019 17:48:00 +0300 Message-Id: <20190607144800.19234-1-Eugeniy.Paltsev@synopsys.com> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190607_074824_010626_AE4A8C44 X-CRM114-Status: UNSURE ( 8.10 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on Synopsys ARC Processors List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Alexey Brodkin , Eugeniy Paltsev , linux-kernel@vger.kernel.org Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org HSDK SoC has DW SPI controller. Enable it in preparation of enabling on-board SPI peripherals. Signed-off-by: Eugeniy Paltsev Acked-by: Alexey Brodkin --- arch/arc/boot/dts/hsdk.dts | 14 ++++++++++++++ arch/arc/configs/hsdk_defconfig | 3 +++ 2 files changed, 17 insertions(+) diff --git a/arch/arc/boot/dts/hsdk.dts b/arch/arc/boot/dts/hsdk.dts index e57b24dd02e7..42e1c961ba48 100644 --- a/arch/arc/boot/dts/hsdk.dts +++ b/arch/arc/boot/dts/hsdk.dts @@ -11,6 +11,7 @@ */ /dts-v1/; +#include #include / { @@ -233,6 +234,19 @@ dma-coherent; }; + spi0: spi@20000 { + compatible = "snps,dw-apb-ssi"; + reg = <0x20000 0x100>; + #address-cells = <1>; + #size-cells = <0>; + interrupts = <16>; + num-cs = <2>; + reg-io-width = <4>; + clocks = <&input_clk>; + cs-gpios = <&creg_gpio 0 GPIO_ACTIVE_LOW>, + <&creg_gpio 1 GPIO_ACTIVE_LOW>; + }; + creg_gpio: gpio@14b0 { compatible = "snps,creg-gpio-hsdk"; reg = <0x14b0 0x4>; diff --git a/arch/arc/configs/hsdk_defconfig b/arch/arc/configs/hsdk_defconfig index 0c4411f50948..ccfa744fe755 100644 --- a/arch/arc/configs/hsdk_defconfig +++ b/arch/arc/configs/hsdk_defconfig @@ -46,6 +46,9 @@ CONFIG_SERIAL_8250_CONSOLE=y CONFIG_SERIAL_8250_DW=y CONFIG_SERIAL_OF_PLATFORM=y # CONFIG_HW_RANDOM is not set +CONFIG_SPI=y +CONFIG_SPI_DESIGNWARE=y +CONFIG_SPI_DW_MMIO=y CONFIG_GPIOLIB=y CONFIG_GPIO_SYSFS=y CONFIG_GPIO_DWAPB=y