From patchwork Fri Aug 27 11:54:18 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Mack X-Patchwork-Id: 503476 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 6C153C19F35 for ; Fri, 27 Aug 2021 12:02:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4CF9760E77 for ; Fri, 27 Aug 2021 12:02:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245058AbhH0MDV (ORCPT ); Fri, 27 Aug 2021 08:03:21 -0400 Received: from mail.bugwerft.de ([46.23.86.59]:37072 "EHLO mail.bugwerft.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231191AbhH0MDU (ORCPT ); Fri, 27 Aug 2021 08:03:20 -0400 X-Greylist: delayed 484 seconds by postgrey-1.27 at vger.kernel.org; Fri, 27 Aug 2021 08:03:20 EDT Received: from hq-00021.fritz.box (p57bc979a.dip0.t-ipconnect.de [87.188.151.154]) by mail.bugwerft.de (Postfix) with ESMTPSA id 73744327D0B; Fri, 27 Aug 2021 11:54:28 +0000 (UTC) From: Daniel Mack To: linux-clk@vger.kernel.org, devicetree@vger.kernel.org Cc: robh+dt@kernel.org, kuninori.morimoto.gx@renesas.com, mturquette@baylibre.com, sboyd@kernel.org, Daniel Mack Subject: [PATCH v4 7/9] clk: cs2000-cp: make clock skip setting configurable Date: Fri, 27 Aug 2021 13:54:18 +0200 Message-Id: <20210827115420.3052019-8-daniel@zonque.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210827115420.3052019-1-daniel@zonque.org> References: <20210827115420.3052019-1-daniel@zonque.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The clock skip function of this chip is not necessarily desirable in all hardware appliances. This patch makes the feature configurable through a device-tree property. Signed-off-by: Daniel Mack --- drivers/clk/clk-cs2000-cp.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/clk/clk-cs2000-cp.c b/drivers/clk/clk-cs2000-cp.c index c869bc692dfb..2c555a0e72b1 100644 --- a/drivers/clk/clk-cs2000-cp.c +++ b/drivers/clk/clk-cs2000-cp.c @@ -81,6 +81,7 @@ struct cs2000_priv { bool dynamic_mode; bool lf_ratio; + bool clk_skip; /* suspend/resume */ unsigned long saved_rate; @@ -133,7 +134,7 @@ static int cs2000_enable_dev_config(struct cs2000_priv *priv, bool enable) return ret; ret = cs2000_bset(priv, FUNC_CFG1, CLKSKIPEN, - enable ? CLKSKIPEN : 0); + (enable && priv->clk_skip) ? CLKSKIPEN : 0); if (ret < 0) return ret; @@ -467,6 +468,8 @@ static int cs2000_clk_register(struct cs2000_priv *priv) if (ret < 0) return ret; + priv->clk_skip = of_property_read_bool(np, "cirrus,clock-skip"); + ref_clk_rate = clk_get_rate(priv->ref_clk); ret = cs2000_ref_clk_bound_rate(priv, ref_clk_rate); if (ret < 0)