From patchwork Thu Sep 30 15:56:28 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frieder Schrempf X-Patchwork-Id: 12528817 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AB934C433F5 for ; Thu, 30 Sep 2021 16:02:10 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8016161267 for ; Thu, 30 Sep 2021 16:02:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 8016161267 Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=fris.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=9ZmCG/tUJPPsRQujrb1+u9rThD6F4IDtsBTtNYwp0cs=; b=c7gkv8vBmcbjwu oQ4vv2lcTI9B4t9tEzDVUZawKXRJjmkiYgr5/O2zR35DF7FhhUlO+1geRNffoug46iBvhfq1Uei8M /mMdqSWHE2VoCRxoYFvrLIFKIZ2GGqfccoGkTyv6BtT/Umlqx4WBRV8Yjz4PQFUoRiqSDhGRGCzpb mPXFn2GuzmK6oIf3vjV+ViPjKlvKIFSGyI3JyFDHQQ2I/GoAIw9wNFScX87tquFGhgvjyGyzJ792W 3RIyLL6DkLZA/R/82k9uqEDZ0Clo9+W38RcVNmH/713YAPiLXZPfBZe0Wg0zGlct67ra5yld+WEGc JDnNsa5ZPrC86tgjIxXw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mVyTr-00F5Ki-MI; Thu, 30 Sep 2021 16:00:20 +0000 Received: from mail.fris.de ([116.203.77.234]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mVyQo-00F46J-9E for linux-arm-kernel@lists.infradead.org; Thu, 30 Sep 2021 15:57:13 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id B61A4BFBD8; Thu, 30 Sep 2021 17:57:06 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fris.de; s=dkim; t=1633017428; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=fq/4Ecd3SDWhNxyRFfxC6ViwOFH6rIsVd8/4VWDJEbo=; b=qeTkR3/Fi2HJPraZCMZszO8aIsq9+39huk7ZEHY5y7erfgAwbgCRTtayxhxPAGbE2ELM+s Yyf3gOeVAk2kOyoKrkCTAEsPx4wYZ6J2KgeNTXe2GfqzbNc2rUi7c5YrCt/5Cx7rtUeGTJ OimZI5hw90qsw/drCyEV/NGVuWMIIXDa4fivt68fzs/9OU94FC82mE1/0AQEcXLbb9X0iM RJ8EFBw8H/qU+gt35m3wgT+DfveXK2oWYf9Wj3HJYvkzd7S9GdX/yBwqOCBZiBITsKS38J 8oVap9CG7cvqRF0M7UmJqbnQee2Po6D1gbwXgbItLPwA7C31QjOex52PD3UStA== From: Frieder Schrempf To: devicetree@vger.kernel.org, Frieder Schrempf , Krzysztof Kozlowski , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Rob Herring , Sascha Hauer , Shawn Guo Cc: stable@vger.kernel.org, Fabio Estevam , NXP Linux Team , Pengutronix Kernel Team Subject: [PATCH 5/8] arm64: dts: imx8mm-kontron: Fix CAN SPI clock frequency Date: Thu, 30 Sep 2021 17:56:28 +0200 Message-Id: <20210930155633.2745201-6-frieder@fris.de> In-Reply-To: <20210930155633.2745201-1-frieder@fris.de> References: <20210930155633.2745201-1-frieder@fris.de> MIME-Version: 1.0 X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210930_085710_567937_DBF472C4 X-CRM114-Status: GOOD ( 10.97 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Frieder Schrempf The MCP2515 can be used with an SPI clock of up to 10 MHz. Set the limit accordingly to prevent any performance issues caused by the really low clock speed of 100 kHz. Fixes: 21c4f45b335f ("arm64: dts: Add the Kontron i.MX8M Mini SoMs and baseboards") Cc: stable@vger.kernel.org Signed-off-by: Frieder Schrempf --- arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts index f2c8ccefd1bf..dbf11e03ecce 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts +++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts @@ -98,7 +98,7 @@ can0: can@0 { clocks = <&osc_can>; interrupt-parent = <&gpio4>; interrupts = <28 IRQ_TYPE_EDGE_FALLING>; - spi-max-frequency = <100000>; + spi-max-frequency = <10000000>; vdd-supply = <®_vdd_3v3>; xceiver-supply = <®_vdd_5v>; };