From patchwork Tue Feb 19 17:01:56 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Belloni X-Patchwork-Id: 10820407 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id BC6DA1390 for ; Tue, 19 Feb 2019 17:03:01 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A3E3A2D02C for ; Tue, 19 Feb 2019 17:03:01 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9E7E72D02D; Tue, 19 Feb 2019 17:03:01 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3F6E52CFB0 for ; Tue, 19 Feb 2019 17:03:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729632AbfBSRDA (ORCPT ); Tue, 19 Feb 2019 12:03:00 -0500 Received: from relay7-d.mail.gandi.net ([217.70.183.200]:60907 "EHLO relay7-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727519AbfBSRCM (ORCPT ); Tue, 19 Feb 2019 12:02:12 -0500 X-Originating-IP: 90.53.137.203 Received: from localhost (alyon-652-1-306-203.w90-53.abo.wanadoo.fr [90.53.137.203]) (Authenticated sender: alexandre.belloni@bootlin.com) by relay7-d.mail.gandi.net (Postfix) with ESMTPSA id BB48F2000D; Tue, 19 Feb 2019 17:02:09 +0000 (UTC) From: Alexandre Belloni To: Stephen Boyd Cc: Nicolas Ferre , Claudiu Beznea , Michael Turquette , linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Alexandre Belloni Subject: [PATCH 3/7] clk: at91: sckc: handle different RC startup time Date: Tue, 19 Feb 2019 18:01:56 +0100 Message-Id: <20190219170200.3608-4-alexandre.belloni@bootlin.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190219170200.3608-1-alexandre.belloni@bootlin.com> References: <20190219170200.3608-1-alexandre.belloni@bootlin.com> MIME-Version: 1.0 Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The sama5d3 slow RC oscillator as a different startup time than all the previous SoCs. Handle that using its own compatible. Signed-off-by: Alexandre Belloni --- drivers/clk/at91/sckc.c | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-) diff --git a/drivers/clk/at91/sckc.c b/drivers/clk/at91/sckc.c index 470aef586f57..e76b1d64e905 100644 --- a/drivers/clk/at91/sckc.c +++ b/drivers/clk/at91/sckc.c @@ -321,7 +321,8 @@ at91_clk_register_sam9x5_slow(void __iomem *sckcr, return hw; } -static void __init of_at91sam9x5_sckc_setup(struct device_node *np) +static void __init at91sam9x5_sckc_register(struct device_node *np, + unsigned int rc_osc_startup_us) { const char *parent_names[2] = { "slow_rc_osc", "slow_osc" }; void __iomem *regbase = of_iomap(np, 0); @@ -334,7 +335,7 @@ static void __init of_at91sam9x5_sckc_setup(struct device_node *np) return; hw = at91_clk_register_slow_rc_osc(regbase, parent_names[0], 32768, - 50000000, 75); + 50000000, rc_osc_startup_us); if (IS_ERR(hw)) return; @@ -371,9 +372,21 @@ static void __init of_at91sam9x5_sckc_setup(struct device_node *np) if (child) of_clk_add_hw_provider(child, of_clk_hw_simple_get, hw); } + +static void __init of_at91sam9x5_sckc_setup(struct device_node *np) +{ + at91sam9x5_sckc_register(np, 75); +} CLK_OF_DECLARE(at91sam9x5_clk_sckc, "atmel,at91sam9x5-sckc", of_at91sam9x5_sckc_setup); +static void __init of_sama5d3_sckc_setup(struct device_node *np) +{ + at91sam9x5_sckc_register(np, 500); +} +CLK_OF_DECLARE(sama5d3_clk_sckc, "atmel,sama5d3-sckc", + of_sama5d3_sckc_setup); + static int clk_sama5d4_slow_osc_prepare(struct clk_hw *hw) { struct clk_sama5d4_slow_osc *osc = to_clk_sama5d4_slow_osc(hw);