From mboxrd@z Thu Jan 1 00:00:00 1970 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=-13.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 0159CC07E99 for ; Mon, 12 Jul 2021 14:33:16 +0000 (UTC) Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2939861156 for ; Mon, 12 Jul 2021 14:33:15 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2939861156 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=blueri.se Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 2992E82DEF; Mon, 12 Jul 2021 16:33:13 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=none (p=none dis=none) header.from=blueri.se Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Received: by phobos.denx.de (Postfix, from userid 109) id 9730B82E04; Mon, 12 Jul 2021 16:33:11 +0200 (CEST) Received: from pwildt.genua.de (pwildt.genua.de [80.154.94.49]) (using TLSv1.3 with cipher TLS_CHACHA20_POLY1305_SHA256 (256/256 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id E45F982D18 for ; Mon, 12 Jul 2021 16:33:08 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=none (p=none dis=none) header.from=blueri.se Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=patrick@blueri.se Received: from mone.fritz.box (p200300c1c71e4600ada1edba64dff7ae.dip0.t-ipconnect.de [2003:c1:c71e:4600:ada1:edba:64df:f7ae]) by pwildt.genua.de (OpenSMTPD) with ESMTPSA id ab21740f (TLSv1.3:AEAD-CHACHA20-POLY1305-SHA256:256:NO); Mon, 12 Jul 2021 16:33:08 +0200 (CEST) Date: Mon, 12 Jul 2021 16:33:06 +0200 From: Patrick Wildt To: Ye Li Cc: sbabic@denx.de, u-boot@lists.denx.de, festevam@gmail.com, peng.fan@nxp.com, uboot-imx@nxp.com Subject: Re: [PATCH 3/4] arm: imx8mq: Add USB clock init function Message-ID: References: <1613924784-63219-1-git-send-email-ye.li@nxp.com> <1613924784-63219-3-git-send-email-ye.li@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1613924784-63219-3-git-send-email-ye.li@nxp.com> X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.34 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.2 at phobos.denx.de X-Virus-Status: Clean Am Sun, Feb 21, 2021 at 08:26:23AM -0800 schrieb Ye Li: > Add clock function to setup relevant clocks for USB3.0 controllers and > PHYs on i.MX8MQ > > Signed-off-by: Ye Li Reviewed-by: Patrick Wildt Tested-by: Patrick Wildt > --- > arch/arm/include/asm/arch-imx8m/clock.h | 1 + > arch/arm/mach-imx/imx8m/clock_imx8mq.c | 22 ++++++++++++++++++++++ > 2 files changed, 23 insertions(+) > > diff --git a/arch/arm/include/asm/arch-imx8m/clock.h b/arch/arm/include/asm/arch-imx8m/clock.h > index c545eb8..e806552 100644 > --- a/arch/arm/include/asm/arch-imx8m/clock.h > +++ b/arch/arm/include/asm/arch-imx8m/clock.h > @@ -257,6 +257,7 @@ u32 imx_get_uartclk(void); > int clock_init(void); > void init_clk_usdhc(u32 index); > void init_uart_clk(u32 index); > +void init_usb_clk(void); > void init_wdog_clk(void); > unsigned int mxc_get_clock(enum mxc_clock clk); > int clock_enable(enum clk_ccgr_index index, bool enable); > diff --git a/arch/arm/mach-imx/imx8m/clock_imx8mq.c b/arch/arm/mach-imx/imx8m/clock_imx8mq.c > index 759ec6d..cccd645 100644 > --- a/arch/arm/mach-imx/imx8m/clock_imx8mq.c > +++ b/arch/arm/mach-imx/imx8m/clock_imx8mq.c > @@ -393,6 +393,28 @@ void init_wdog_clk(void) > clock_enable(CCGR_WDOG3, 1); > } > > +void init_usb_clk(void) > +{ > + if (!is_usb_boot()) { > + clock_enable(CCGR_USB_CTRL1, 0); > + clock_enable(CCGR_USB_CTRL2, 0); > + clock_enable(CCGR_USB_PHY1, 0); > + clock_enable(CCGR_USB_PHY2, 0); > + /* 500MHz */ > + clock_set_target_val(USB_BUS_CLK_ROOT, CLK_ROOT_ON | > + CLK_ROOT_SOURCE_SEL(1)); > + /* 100MHz */ > + clock_set_target_val(USB_CORE_REF_CLK_ROOT, CLK_ROOT_ON | > + CLK_ROOT_SOURCE_SEL(1)); > + /* 100MHz */ > + clock_set_target_val(USB_PHY_REF_CLK_ROOT, CLK_ROOT_ON | > + CLK_ROOT_SOURCE_SEL(1)); > + clock_enable(CCGR_USB_CTRL1, 1); > + clock_enable(CCGR_USB_CTRL2, 1); > + clock_enable(CCGR_USB_PHY1, 1); > + clock_enable(CCGR_USB_PHY2, 1); > + } > +} > > void init_nand_clk(void) > { > -- > 2.7.4 >