From patchwork Mon Jun 6 10:13:03 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: huang lin X-Patchwork-Id: 9157721 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 5965760467 for ; Mon, 6 Jun 2016 10:15:29 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4A20D25E13 for ; Mon, 6 Jun 2016 10:15:29 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3F1E42665D; Mon, 6 Jun 2016 10:15:29 +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=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 096C525E13 for ; Mon, 6 Jun 2016 10:15:29 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1b9rXs-0003fa-V8; Mon, 06 Jun 2016 10:14:08 +0000 Received: from mail-pa0-f67.google.com ([209.85.220.67]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1b9rXa-0003V4-GO; Mon, 06 Jun 2016 10:13:51 +0000 Received: by mail-pa0-f67.google.com with SMTP id di3so11541513pab.0; Mon, 06 Jun 2016 03:13:33 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=gZiLcbiVXe6Bqq3gkf15JwbO7lrsGUG0TcTtpAhdNtM=; b=AzC3+Q+cSc1js+sT4yCn6qR3TZGnDSkkgaUdYLYdqQP1wJ7pK59eR3w3Q4pkEV5+qW 30ItfqaOQKaBpfTZSOWldbQFNX2iOxUHm07AyZHttsb0ktQ1zxw74dPhP5YxskrVpeCt wciKU3aIRyCJgUTnWPBvYk0Bh8STrZla5AMM9G04o+nzL2lpsS7Wp6/MJzERwwrxJYvq OvGqDMa39VN//tyvMBGlggbkIMkHDYD+RthtqDltEu0QOeUGGs8Kj4RWf5WHNTRZ/LpR PMgh//137jnORuDertlxwjlsMZga88dLw8UxfI3pMVsNsA/LozwAl7dkiV2vEMHwAKkX se0Q== X-Gm-Message-State: ALyK8tLki18yw2KxFPUMdUs4NxQ4kDoH324OmE+Z7kPzYitCC2iIKzrAyTt6z2S4Dwyvaw== X-Received: by 10.66.14.73 with SMTP id n9mr23351820pac.112.1465208013258; Mon, 06 Jun 2016 03:13:33 -0700 (PDT) Received: from localhost.localdomain ([103.29.142.67]) by smtp.gmail.com with ESMTPSA id t65sm26421423pfb.37.2016.06.06.03.13.29 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 06 Jun 2016 03:13:32 -0700 (PDT) From: Lin Huang To: heiko@sntech.de, mark.yao@rock-chips.com, myungjoo.ham@samsung.com Subject: [RFC PATCH v2 3/6] clk: rockchip: rk3399: add ddrc clock support Date: Mon, 6 Jun 2016 18:13:03 +0800 Message-Id: <1465207986-17888-4-git-send-email-hl@rock-chips.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1465207986-17888-1-git-send-email-hl@rock-chips.com> References: <1465207986-17888-1-git-send-email-hl@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160606_031350_658105_193662F5 X-CRM114-Status: UNSURE ( 8.66 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Lin Huang , cw00.choi@samsung.com, airlied@linux.ie, mturquette@baylibre.com, dbasehore@chromium.org, sboyd@codeaurora.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, dianders@chromium.org, linux-rockchip@lists.infradead.org, kyungmin.park@samsung.com, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP add ddrc clock setting, so we can do ddr frequency scaling on rk3399 platform in future. Signed-off-by: Lin Huang --- Changes in v2: - remove clk_ddrc_dpll_src from critical clock list Changes in v1: - remove ddrc source CLK_IGNORE_UNUSED flag - move clk_ddrc and clk_ddrc_dpll_src to critical drivers/clk/rockchip/clk-rk3399.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/clk/rockchip/clk-rk3399.c b/drivers/clk/rockchip/clk-rk3399.c index f1d8e44..3291b97 100644 --- a/drivers/clk/rockchip/clk-rk3399.c +++ b/drivers/clk/rockchip/clk-rk3399.c @@ -118,6 +118,10 @@ PNAME(mux_armclkb_p) = { "clk_core_b_lpll_src", "clk_core_b_bpll_src", "clk_core_b_dpll_src", "clk_core_b_gpll_src" }; +PNAME(mux_ddrclk_p) = { "clk_ddrc_lpll_src", + "clk_ddrc_bpll_src", + "clk_ddrc_dpll_src", + "clk_ddrc_gpll_src" }; PNAME(mux_aclk_cci_p) = { "cpll_aclk_cci_src", "gpll_aclk_cci_src", "npll_aclk_cci_src", @@ -1377,6 +1381,18 @@ static struct rockchip_clk_branch rk3399_clk_branches[] __initdata = { COMPOSITE_NOMUX(0, "clk_test", "clk_test_pre", CLK_IGNORE_UNUSED, RK3368_CLKSEL_CON(58), 0, 5, DFLAGS, RK3368_CLKGATE_CON(13), 11, GFLAGS), + + /* ddrc */ + GATE(0, "clk_ddrc_lpll_src", "lpll", 0, RK3399_CLKGATE_CON(3), + 0, GFLAGS), + GATE(0, "clk_ddrc_bpll_src", "bpll", 0, RK3399_CLKGATE_CON(3), + 1, GFLAGS), + GATE(0, "clk_ddrc_dpll_src", "dpll", 0, RK3399_CLKGATE_CON(3), + 2, GFLAGS), + GATE(0, "clk_ddrc_gpll_src", "gpll", 0, RK3399_CLKGATE_CON(3), + 3, GFLAGS), + COMPOSITE_DDRC(SCLK_DDRCLK, "clk_ddrc", mux_ddrclk_p, 0, + RK3399_CLKSEL_CON(6), 4, 2, MFLAGS, 0, 3, DFLAGS), }; static struct rockchip_clk_branch rk3399_clk_pmu_branches[] __initdata = { @@ -1487,6 +1503,8 @@ static const char *const rk3399_cru_critical_clocks[] __initconst = { "gpll_hclk_perilp1_src", "gpll_aclk_perilp0_src", "gpll_aclk_perihp_src", + "clk_ddrc", }; static const char *const rk3399_pmucru_critical_clocks[] __initconst = { -- 1.9.1