From patchwork Fri Feb 2 14:03:42 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gabriel FERNANDEZ X-Patchwork-Id: 10196717 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 AFAB26037D for ; Fri, 2 Feb 2018 14:04:45 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9F49628BFE for ; Fri, 2 Feb 2018 14:04:45 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9367928E66; Fri, 2 Feb 2018 14:04:45 +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=-6.9 required=2.0 tests=BAYES_00,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 69B2228BFE for ; Fri, 2 Feb 2018 14:04:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752164AbeBBOEn (ORCPT ); Fri, 2 Feb 2018 09:04:43 -0500 Received: from mx08-00178001.pphosted.com ([91.207.212.93]:48655 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751774AbeBBOEl (ORCPT ); Fri, 2 Feb 2018 09:04:41 -0500 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 w12DxVqn004731; Fri, 2 Feb 2018 15:04:21 +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 2fvr4u0fs9-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Fri, 02 Feb 2018 15:04:21 +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 7D71F31; Fri, 2 Feb 2018 14:04:20 +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 5AA925228; Fri, 2 Feb 2018 14:04:20 +0000 (GMT) Received: from localhost (10.75.127.51) by SFHDAG4NODE2.st.com (10.75.127.11) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Fri, 2 Feb 2018 15:04:19 +0100 From: To: Rob Herring , Mark Rutland , Lee Jones , Maxime Coquelin , Alexandre Torgue , Michael Turquette , Stephen Boyd , Gabriel Fernandez CC: , , , , , Subject: [PATCH 14/14] clk: stm32mp1: add Debug clocks Date: Fri, 2 Feb 2018 15:03:42 +0100 Message-ID: <1517580222-23301-15-git-send-email-gabriel.fernandez@st.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1517580222-23301-1-git-send-email-gabriel.fernandez@st.com> References: <1517580222-23301-1-git-send-email-gabriel.fernandez@st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.51] X-ClientProxiedBy: SFHDAG8NODE3.st.com (10.75.127.24) To SFHDAG4NODE2.st.com (10.75.127.11) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2018-02-02_04:, , signatures=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 From: Gabriel Fernandez RCC manages clock for debug and trace. Signed-off-by: Gabriel Fernandez --- drivers/clk/clk-stm32mp1.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/clk/clk-stm32mp1.c b/drivers/clk/clk-stm32mp1.c index 0402a0e..eafc95a 100644 --- a/drivers/clk/clk-stm32mp1.c +++ b/drivers/clk/clk-stm32mp1.c @@ -352,6 +352,12 @@ { 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 }, +}; + struct clock_config { u32 id; const char *name; @@ -1566,6 +1572,17 @@ static struct clk_hw *_clk_register_cktim(struct device *dev, _GATEMUXDIV(RCC_MCO2CFGR, 12, RCC_MCO2CFGR, 0, 3, RCC_MCO2CFGR, 4, 4)), + + /* 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, + _GATEDIV(RCC_DBGCFGR, 9, + RCC_DBGCFGR, 0, 3, ck_trace_div_table)), }; struct stm32_clock_match_data {