Message ID | 20190716115745.12585-48-jagan@amarulasolutions.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org> 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 B0B96912 for <patchwork-linux-rockchip@patchwork.kernel.org>; Tue, 16 Jul 2019 12:02:38 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9E3CD2843B for <patchwork-linux-rockchip@patchwork.kernel.org>; Tue, 16 Jul 2019 12:02:38 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 92C5828450; Tue, 16 Jul 2019 12:02:38 +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 4719E2843B for <patchwork-linux-rockchip@patchwork.kernel.org>; Tue, 16 Jul 2019 12:02:38 +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=eU2tFBFS9xGEi7 8m0FXHsxaX9BM7eUljSEce7hoSwqWGhtsbn9tjv6qjJqUhw6cH7fiDVpG1dVwnMMp4poft7tvoMK2 fxxvg+kgmujjuCUumHAtcUue0kNMiOp+Pwi+MWpugEzPyzvycO1A2aonu4MAg+ojt7Tw33wQZarh9 /YDLcnyL2Gphu50QvZNExBVw9/lI8YGADH0g74afCniCrkq1tKWrvXZokIBWwo86ft8vdw6RgwE74 6gE69RXyByKQmVZptudHE35gWzW/OfyuyAOxw7wHrRlJB1bZ1NdoNNvdmmQ1Jk/l70/vboZt0Qr7N qtBvySeUh8qfaDeSjCTw==; 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 1hnMAF-000087-Va; Tue, 16 Jul 2019 12:02:35 +0000 Received: from mail-pf1-x443.google.com ([2607:f8b0:4864:20::443]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hnM8S-0006ra-KF for linux-rockchip@lists.infradead.org; Tue, 16 Jul 2019 12:00:46 +0000 Received: by mail-pf1-x443.google.com with SMTP id c73so8999795pfb.13 for <linux-rockchip@lists.infradead.org>; Tue, 16 Jul 2019 05:00:44 -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=q+tnB/7SY4LbZzRuelCj1EIA8Wtle67TUeYImmzPOjFXpR3XUiGxZNnDJaOyfJ20XH jkJIxi4+bl2TywXWSNpxKdVTDpI3rHUP63EsGun3Xo9h3ESrTKuGcQgZeNSOreKHTb4y CCaSCaY9s/xFGb9xPSAH1xchp7Dv5VHRXhp8A= 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=fAdAo3kuccoWKJYyORINuX2Ea2EUu0Dum2WrFMbYnL3YTnPp6VbPbY3coc0IoJQc7K BnJMY2QqfeXvlZQd/hvYYSYmnsh+v0GQClV1V37sWHHBkpITUyyUfB8NkGk7zcKpBkTv RLk9WEI0MIPR3QZvIhW8JGPvy/4abD9UeW2NNf/jL4s/TbW1qQvUbVc5YJiSctfe6aIj jonfgjmCe8e1TxFbrfTQWXjw15R8AnBVtBzrR7Qw5A/xhkpGKyV/yvTuiQJA9o9320T2 Fd/a5f9o7598spKdMjplCo2em0csruhGLTBE7+7wAn5DdvNnkhOfkb3M7nBzo/0CibJV kSFQ== X-Gm-Message-State: APjAAAVjCvLc+gFl+yycp3OfZjHzZgbI9Ben4Mi/s0K/7II83ehXZaQu wm5pcuiZAF7pYq4N/fVeWTbxZQ== X-Google-Smtp-Source: APXvYqwKfswKJm5z0g91KX1Gd2IreNRG22kmOHXnUn0FpRUBBsGFXM8Ohq7mU5J0+XaQJovSSW3Icw== X-Received: by 2002:a17:90a:cf8f:: with SMTP id i15mr34293782pju.110.1563278443889; Tue, 16 Jul 2019 05:00:43 -0700 (PDT) Received: from localhost.localdomain ([49.206.201.107]) by smtp.gmail.com with ESMTPSA id z24sm36269566pfr.51.2019.07.16.05.00.40 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 16 Jul 2019 05:00:43 -0700 (PDT) From: Jagan Teki <jagan@amarulasolutions.com> To: Simon Glass <sjg@chromium.org>, Philipp Tomsich <philipp.tomsich@theobroma-systems.com>, Kever Yang <kever.yang@rock-chips.com>, YouMin Chen <cym@rock-chips.com>, u-boot@lists.denx.de Subject: [PATCH v3 47/57] clk: rockchip: rk3399: Set 50MHz ddr clock Date: Tue, 16 Jul 2019 17:27:35 +0530 Message-Id: <20190716115745.12585-48-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.18.0.321.gffc6fa0e3 In-Reply-To: <20190716115745.12585-1-jagan@amarulasolutions.com> References: <20190716115745.12585-1-jagan@amarulasolutions.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190716_050044_782562_6B2787C4 X-CRM114-Status: UNSURE ( 8.10 ) 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 <linux-rockchip.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-rockchip>, <mailto:linux-rockchip-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-rockchip/> List-Post: <mailto:linux-rockchip@lists.infradead.org> List-Help: <mailto:linux-rockchip-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-rockchip>, <mailto:linux-rockchip-request@lists.infradead.org?subject=subscribe> Cc: linux-rockchip@lists.infradead.org, gajjar04akash@gmail.com, linux-amarula@amarulasolutions.com, Jagan Teki <jagan@amarulasolutions.com>, Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" <linux-rockchip-bounces@lists.infradead.org> Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP |
Series |
ram: rk3399: Add LPDDR4 support
|
expand
|
On 2019/7/16 下午7:57, Jagan Teki wrote: > Add support for setting 50MHz ddr clock. > > Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> > Signed-off-by: YouMin Chen <cym@rock-chips.com> Reviewed-by: Kever Yang <Kever.yang@rock-chips.com> Thanks, - Kever > --- > 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};
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};