From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S936104AbeCHQ6w (ORCPT ); Thu, 8 Mar 2018 11:58:52 -0500 Received: from mx07-00178001.pphosted.com ([62.209.51.94]:46134 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933717AbeCHQyq (ORCPT ); Thu, 8 Mar 2018 11:54:46 -0500 From: To: , Rob Herring , Mark Rutland , Lee Jones , Maxime Coquelin , Alexandre Torgue , Michael Turquette , Stephen Boyd , Gabriel Fernandez CC: , , , , , , Loic PALLARDY , benjamin GAIGNARD Subject: [PATCH v2 11/12] clk: stm32mp1: add MCO clocks Date: Thu, 8 Mar 2018 17:54:04 +0100 Message-ID: <1520528045-18330-12-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 Content-Type: text/plain X-Originating-IP: [10.75.127.47] X-ClientProxiedBy: SFHDAG3NODE3.st.com (10.75.127.9) To SFHDAG4NODE2.st.com (10.75.127.11) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2018-03-08_09:,, signatures=0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Gabriel Fernandez Two micro-controller clock output (MCO) pins are available: MCO1 and MCO2. For each output, it is possible to select a clock source. The selected clock can be divided thanks to configurable prescaler. Signed-off-by: Gabriel Fernandez --- drivers/clk/clk-stm32mp1.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/drivers/clk/clk-stm32mp1.c b/drivers/clk/clk-stm32mp1.c index 51e3e76..b3a6ec4 100644 --- a/drivers/clk/clk-stm32mp1.c +++ b/drivers/clk/clk-stm32mp1.c @@ -252,6 +252,14 @@ "off", "ck_lse", "ck_lsi", "ck_hse_rtc" }; +static const char * const mco1_src[] = { + "ck_hsi", "ck_hse", "ck_csi", "ck_lsi", "ck_lse" +}; + +static const char * const mco2_src[] = { + "ck_mpu", "ck_axi", "ck_mcu", "pll4_p", "ck_hse", "ck_hsi" +}; + 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 }, @@ -1960,6 +1968,18 @@ enum { _MUX(RCC_BDCR, 16, 2, 0), _NO_DIV), + /* MCO clocks */ + COMPOSITE(CK_MCO1, "ck_mco1", mco1_src, CLK_OPS_PARENT_ENABLE | + CLK_SET_RATE_NO_REPARENT, + _GATE(RCC_MCO1CFGR, 12, 0), + _MUX(RCC_MCO1CFGR, 0, 3, 0), + _DIV(RCC_MCO1CFGR, 4, 4, 0, NULL)), + + COMPOSITE(CK_MCO2, "ck_mco2", mco2_src, CLK_OPS_PARENT_ENABLE | + CLK_SET_RATE_NO_REPARENT, + _GATE(RCC_MCO2CFGR, 12, 0), + _MUX(RCC_MCO2CFGR, 0, 3, 0), + _DIV(RCC_MCO2CFGR, 4, 4, 0, NULL)), }; struct stm32_clock_match_data { -- 1.9.1