From patchwork Thu Mar 8 16:54:05 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gabriel FERNANDEZ X-Patchwork-Id: 10268433 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 22A026016D for ; Thu, 8 Mar 2018 16:54:55 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 12A3229127 for ; Thu, 8 Mar 2018 16:54:55 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0742D29173; Thu, 8 Mar 2018 16:54:55 +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=-1.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id A277B29127 for ; Thu, 8 Mar 2018 16:54:54 +0000 (UTC) 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:References:In-Reply-To: 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: List-Owner; bh=B7gSFOnhVmaINeQ/2Hs2V4zDoLH7V1yxFcp1k+KpMJE=; b=NjLu8mWqR6nwem yE1RIb2+SXW7geY+Kf6hnYsPWMgZPzt6rmv+dRIOQGNJu+XkNUve2GAt8wi6tRgrYyh/4WZTrSgm8 HYTevq7ui4zTeS6j9Drlj2tNWMySpx/38rip1b/T7SrLpra7kQjQNmA8rACpClwAMe6hllK470jeS ltpquy2+OHa9RyHAwvymQedv2XKrJNKRtQO15c5xmGciv1l59YCz5fA5WYJ+B7+WHem9uvcP/2xcR hshzxRiXS13WF0FH5+67mQT/0rRnRIAw0EK+E8KZRKv1S2FpxDkCVTysQNygyzGRiww07gWU80QWM bR85faYd5t1Og4MrURSw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.89 #1 (Red Hat Linux)) id 1etyoX-0007DP-R2; Thu, 08 Mar 2018 16:54:45 +0000 Received: from mx08-00178001.pphosted.com ([91.207.212.93] helo=mx07-00178001.pphosted.com) by bombadil.infradead.org with esmtps (Exim 4.89 #1 (Red Hat Linux)) id 1etyoR-00078t-KQ for linux-arm-kernel@lists.infradead.org; Thu, 08 Mar 2018 16:54:42 +0000 Received: from pps.filterd (m0046660.ppops.net [127.0.0.1]) by mx08-.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id w28Go7gv014799; Thu, 8 Mar 2018 17:54:27 +0100 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx08-00178001.pphosted.com with ESMTP id 2gk853g9un-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Thu, 08 Mar 2018 17:54:27 +0100 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 1BE2741; Thu, 8 Mar 2018 16:54:26 +0000 (GMT) Received: from Webmail-eu.st.com (sfhdag4node2.st.com [10.75.127.11]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id E6C135093; Thu, 8 Mar 2018 16:54:25 +0000 (GMT) Received: from localhost (10.75.127.47) by SFHDAG4NODE2.st.com (10.75.127.11) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Thu, 8 Mar 2018 17:54:25 +0100 From: To: , Rob Herring , Mark Rutland , Lee Jones , Maxime Coquelin , Alexandre Torgue , Michael Turquette , Stephen Boyd , Gabriel Fernandez Subject: [PATCH v2 12/12] clk: stm32mp1: add Debug clocks Date: Thu, 8 Mar 2018 17:54:05 +0100 Message-ID: <1520528045-18330-13-git-send-email-gabriel.fernandez@st.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1520528045-18330-1-git-send-email-gabriel.fernandez@st.com> References: <1520528045-18330-1-git-send-email-gabriel.fernandez@st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.47] X-ClientProxiedBy: SFHDAG3NODE1.st.com (10.75.127.7) To SFHDAG4NODE2.st.com (10.75.127.11) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2018-03-08_10:, , signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180308_085440_105328_AE2A6AFB X-CRM114-Status: GOOD ( 12.04 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, benjamin GAIGNARD , Loic PALLARDY , olivier.bideau@st.com, linux-kernel@vger.kernel.org, gabriel.fernandez.st@gmail.com, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Gabriel Fernandez RCC manages clock for debug and trace. Signed-off-by: Gabriel Fernandez --- drivers/clk/clk-stm32mp1.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/drivers/clk/clk-stm32mp1.c b/drivers/clk/clk-stm32mp1.c index b3a6ec4..f1d5967 100644 --- a/drivers/clk/clk-stm32mp1.c +++ b/drivers/clk/clk-stm32mp1.c @@ -260,6 +260,10 @@ "ck_mpu", "ck_axi", "ck_mcu", "pll4_p", "ck_hse", "ck_hsi" }; +static const char * const ck_trace_src[] = { + "ck_axi" +}; + static const struct clk_div_table axi_div_table[] = { { 0, 1 }, { 1, 2 }, { 2, 3 }, { 3, 4 }, { 4, 4 }, { 5, 4 }, { 6, 4 }, { 7, 4 }, @@ -280,6 +284,12 @@ { 0 }, }; +static const struct clk_div_table ck_trace_div_table[] = { + { 0, 1 }, { 1, 2 }, { 2, 4 }, { 3, 8 }, + { 4, 16 }, { 5, 16 }, { 6, 16 }, { 7, 16 }, + { 0 }, +}; + #define MAX_MUX_CLK 2 struct stm32_mmux { @@ -1980,6 +1990,18 @@ enum { _GATE(RCC_MCO2CFGR, 12, 0), _MUX(RCC_MCO2CFGR, 0, 3, 0), _DIV(RCC_MCO2CFGR, 4, 4, 0, NULL)), + + /* Debug clocks */ + FIXED_FACTOR(NO_ID, "ck_axi_div2", "ck_axi", 0, 1, 2), + + GATE(DBG, "ck_apb_dbg", "ck_axi_div2", 0, RCC_DBGCFGR, 8, 0), + + GATE(CK_DBG, "ck_sys_dbg", "ck_axi", 0, RCC_DBGCFGR, 8, 0), + + COMPOSITE(CK_TRACE, "ck_trace", ck_trace_src, CLK_OPS_PARENT_ENABLE, + _GATE(RCC_DBGCFGR, 9, 0), + _NO_MUX, + _DIV(RCC_DBGCFGR, 0, 3, 0, ck_trace_div_table)), }; struct stm32_clock_match_data {