From patchwork Mon Jun 17 07:32:08 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jagan Teki X-Patchwork-Id: 10998173 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 A84C876 for ; Mon, 17 Jun 2019 07:39:30 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 99984286D1 for ; Mon, 17 Jun 2019 07:39:30 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8DDF228861; Mon, 17 Jun 2019 07:39:30 +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=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED 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 49209286D1 for ; Mon, 17 Jun 2019 07:39:30 +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=8juhjORrjxXEj4S/J69eJ4ozDpZ+RPxflLwoaiG/Um8=; b=mH/YCaZgDDge/f gpB3eUrS/NLu7gg0r+ouITJItLhSMlLo3BX7ZaHALrjqqTJ43AhxBjIAMzFAw3qyRRVG1NAmOuvs6 s3zmBmI7XbSAxjKfyI5EZ8uIXIFbhhXrmPJDk2QCBX12i+eSwLHn/fjY6LsW48xcYwnvJmy0Tfwqb fAkdrNKykAX8Dax44bcHYI6eJrvU0wI4Nd/BtX9zhpdtMOQvn3xnMoxFB8tW0rqZWFrAMoPXAdy+Z 1kpovNeKvheIzAo60dEO7UL47OvNzGrZuzN6xsy1GQS9Vz1m9jMM28yBNumHcsdui0oTCI42fSNhi XE7I/9y2aIVs/KBLETsw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hcmEi-0007sH-7R; Mon, 17 Jun 2019 07:39:28 +0000 Received: from mail-pg1-x542.google.com ([2607:f8b0:4864:20::542]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hcmEe-0007ov-TV for linux-rockchip@lists.infradead.org; Mon, 17 Jun 2019 07:39:26 +0000 Received: by mail-pg1-x542.google.com with SMTP id k187so5317641pga.0 for ; Mon, 17 Jun 2019 00:39:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=nmwFUqUOCS8iVkKDxNTkju/mBzepfxNYBfFL/J8gC6k=; b=KhGA1vKeHTdlJgyKm1jISvBuzpDBBQf4il8PTSOpECfLUOktPP89k53WlcRndLgOSu VTkRrjweVW7NwqKhVog5BTuTx3uS8O8mJdeDd9YO1RwLItq/FRQ9nUMewReNvx9/qPW3 o8sI+ko8uEM/6f1/cjBJV607FJZeiLkRveyII= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=nmwFUqUOCS8iVkKDxNTkju/mBzepfxNYBfFL/J8gC6k=; b=YnHP434a+xEBT2FWK9BYoxXMMemOtwySIRwFFpe39DlrZRL/8xMPP6c+qYJFfA8TSo DOW+EZD1qPe5S5PmnIzuolQX++TfmwDNqiZqtKMubIbU6pakHK6V7aFJwADc0Kya6Z4A mXD5hIizzrA8VgqwlK8aRhhAfP+IZOpC3cc+iOayu4Dt3/9wNYUUpmoHBjRV9z9f/Qtg XRWgP2HkpEXgfHc0v4joH9tOY+VL7KDcwp1bT6DoLNN6+Db2XOMXlQFhLzIna77FzeGK 0TmURqlZUnJnB1C7BoXxqpD6duEVPCcbdRDOi8Y057vY/V3HreVSlHvtyRLMPhmuXzrE CfEg== X-Gm-Message-State: APjAAAUDA24ZRYow/kiXFqQVYEkHlcXL5gKsNLA2e3J3ZysVR09+45C0 xUwmxImEegmGI+AXCJIZLVUU/Q== X-Google-Smtp-Source: APXvYqwI+2S3RTMUasg0pQESXZwtDnyiQFxdZjFW6IBiJqcI5I+NmmQYfoVxNzkmYCcqSnN03P9DnA== X-Received: by 2002:a17:90a:d151:: with SMTP id t17mr24709490pjw.60.1560757164419; Mon, 17 Jun 2019 00:39:24 -0700 (PDT) Received: from localhost.localdomain ([49.206.203.245]) by smtp.gmail.com with ESMTPSA id m41sm15205998pje.18.2019.06.17.00.39.21 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 17 Jun 2019 00:39:24 -0700 (PDT) From: Jagan Teki To: Simon Glass , Philipp Tomsich , Kever Yang , YouMin Chen , u-boot@lists.denx.de Subject: [PATCH v2 55/99] clk: rockchip: rk3399: Set 50MHz ddr clock Date: Mon, 17 Jun 2019 13:02:08 +0530 Message-Id: <20190617073252.27810-56-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.18.0.321.gffc6fa0e3 In-Reply-To: <20190617073252.27810-1-jagan@amarulasolutions.com> References: <20190617073252.27810-1-jagan@amarulasolutions.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190617_003924_978401_E3D078D7 X-CRM114-Status: UNSURE ( 8.96 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-rockchip@lists.infradead.org, gajjar04akash@gmail.com, linux-amarula@amarulasolutions.com, Jagan Teki , Manivannan Sadhasivam Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Add support for setting 50MHz ddr clock. Signed-off-by: Jagan Teki Signed-off-by: YouMin Chen --- drivers/clk/rockchip/clk_rk3399.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/clk/rockchip/clk_rk3399.c b/drivers/clk/rockchip/clk_rk3399.c index 5d1ad94e85..1de21c9f3e 100644 --- a/drivers/clk/rockchip/clk_rk3399.c +++ b/drivers/clk/rockchip/clk_rk3399.c @@ -827,6 +827,10 @@ static ulong rk3399_ddr_set_clk(struct rk3399_cru *cru, /* clk_ddrc == DPLL = 24MHz / refdiv * fbdiv / postdiv1 / postdiv2 */ switch (set_rate) { + case 50 * MHz: + dpll_cfg = (struct pll_div) + {.refdiv = 1, .fbdiv = 12, .postdiv1 = 3, .postdiv2 = 2}; + break; case 200 * MHz: dpll_cfg = (struct pll_div) {.refdiv = 1, .fbdiv = 50, .postdiv1 = 6, .postdiv2 = 1};