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=-12.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 62A99C433E2 for ; Thu, 10 Sep 2020 15:40:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1AADA208E4 for ; Thu, 10 Sep 2020 15:40:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=ibm.com header.i=@ibm.com header.b="XqNu86gt" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731355AbgIJPkO (ORCPT ); Thu, 10 Sep 2020 11:40:14 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:42266 "EHLO mx0b-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730736AbgIJPiI (ORCPT ); Thu, 10 Sep 2020 11:38:08 -0400 Received: from pps.filterd (m0098417.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 08AF2EN3074908; Thu, 10 Sep 2020 11:18:46 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=GbDZ7CBL/LYipeJIp2XxF3Pn1ncBwSbgSFF+3KzbL8k=; b=XqNu86gtYDuMVkhJSOVDKsZb2ErtTuItMVO1cbHSnmirE6ANLxP0BZFyfwkGeyT1nbR9 0W6ky73O1um/vKY4qTX+u/I5oePs52W/Xh/WVUpO+VbUkT5PUPRgGaYGmSTfh9zuZVa5 a6AMC6MXpVK1znA4R7KtHY0u7VTv81uN7k9k15xvM4rTsKh2XkHSUlWt9rgg2/jdEQUZ SMRaJU/gOtQI+plnecPhc012W+XVM8w9ePf9kYs/NUFcYHauR+rI4dD4XpKb50HZRDll /hdxPxHMfLroVAADQZAKuZEeABJ0VSvO3DsNX5Sv8ErmdJVQAd3+NgENSH3RIRtoOKos qg== Received: from ppma04wdc.us.ibm.com (1a.90.2fa9.ip4.static.sl-reverse.com [169.47.144.26]) by mx0a-001b2d01.pphosted.com with ESMTP id 33fpd60nmw-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 10 Sep 2020 11:18:45 -0400 Received: from pps.filterd (ppma04wdc.us.ibm.com [127.0.0.1]) by ppma04wdc.us.ibm.com (8.16.0.42/8.16.0.42) with SMTP id 08AFDZqI013601; Thu, 10 Sep 2020 15:18:45 GMT Received: from b03cxnp07028.gho.boulder.ibm.com (b03cxnp07028.gho.boulder.ibm.com [9.17.130.15]) by ppma04wdc.us.ibm.com with ESMTP id 33c2a98c31-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 10 Sep 2020 15:18:45 +0000 Received: from b03ledav001.gho.boulder.ibm.com (b03ledav001.gho.boulder.ibm.com [9.17.130.232]) by b03cxnp07028.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 08AFIiTI55312666 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 10 Sep 2020 15:18:44 GMT Received: from b03ledav001.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3DEDF6E050; Thu, 10 Sep 2020 15:18:44 +0000 (GMT) Received: from b03ledav001.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A47DC6E052; Thu, 10 Sep 2020 15:18:43 +0000 (GMT) Received: from SHADE6A.ibmuc.com (unknown [9.211.140.115]) by b03ledav001.gho.boulder.ibm.com (Postfix) with ESMTP; Thu, 10 Sep 2020 15:18:43 +0000 (GMT) From: Eddie James To: linux-clk@vger.kernel.org Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-aspeed@lists.ozlabs.org, linux-fsi@lists.ozlabs.org, andrew@aj.id.au, joel@jms.id.au, robh+dt@kernel.org, sboyd@kernel.org, mturquette@baylibre.com, alistair@popple.id.au, jk@ozlabs.org Subject: [PATCH 4/4] fsi: Aspeed master: Set bus frequency from devicetree Date: Thu, 10 Sep 2020 10:18:40 -0500 Message-Id: <20200910151840.25333-5-eajames@linux.ibm.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200910151840.25333-1-eajames@linux.ibm.com> References: <20200910151840.25333-1-eajames@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235,18.0.687 definitions=2020-09-10_03:2020-09-10,2020-09-10 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 lowpriorityscore=0 phishscore=0 mlxlogscore=999 impostorscore=0 clxscore=1015 priorityscore=1501 spamscore=0 suspectscore=1 bulkscore=0 mlxscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2009100130 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Set the FSI bus frequency based on the value encoded in the devicetree. The default value is 166MHz, which is the highest frequency some FSI slaves can accept. Signed-off-by: Eddie James Reviewed-by: Joel Stanley --- drivers/fsi/fsi-master-aspeed.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/fsi/fsi-master-aspeed.c b/drivers/fsi/fsi-master-aspeed.c index c006ec008a1a..be19fee0bece 100644 --- a/drivers/fsi/fsi-master-aspeed.c +++ b/drivers/fsi/fsi-master-aspeed.c @@ -515,6 +515,7 @@ static int fsi_master_aspeed_probe(struct platform_device *pdev) struct fsi_master_aspeed *aspeed; struct resource *res; int rc, links, reg; + u32 bus_freq = 166666666; __be32 raw; rc = tacoma_cabled_fsi_fixup(&pdev->dev); @@ -539,6 +540,10 @@ static int fsi_master_aspeed_probe(struct platform_device *pdev) dev_err(aspeed->dev, "couldn't get clock\n"); return PTR_ERR(aspeed->clk); } + + of_property_read_u32(pdev->dev.of_node, "bus-frequency", &bus_freq); + clk_set_rate(aspeed->clk, bus_freq); + rc = clk_prepare_enable(aspeed->clk); if (rc) { dev_err(aspeed->dev, "couldn't enable clock\n"); -- 2.26.2