From patchwork Fri Jul 29 07:56:58 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: huang lin X-Patchwork-Id: 9252245 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 0C7CB601C0 for ; Fri, 29 Jul 2016 08:01:19 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F2C0527F88 for ; Fri, 29 Jul 2016 08:01:18 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E6ABF27F9E; Fri, 29 Jul 2016 08:01:18 +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 8BA0727F88 for ; Fri, 29 Jul 2016 08:01:18 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1bT2hw-0008AV-Lr; Fri, 29 Jul 2016 07:59:48 +0000 Received: from mail-pa0-f68.google.com ([209.85.220.68]) by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1bT2g1-0006kj-3A; Fri, 29 Jul 2016 07:57:50 +0000 Received: by mail-pa0-f68.google.com with SMTP id cf3so4818717pad.2; Fri, 29 Jul 2016 00:57:29 -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=nwEh2R712w9Rw3e+znQNiavGaP4T397nv/L2kCM6JCI=; b=QWlBgkYX9RKTLs+QoqSMamWF3itIfkvZ+amwi1XPMFD0SJd4BfeoSi4v8Bf/xo1C1M AeXyG0N8qTujpxs/3lBeelQPH2/xDMEKlDjeiNCKRFxAFb0y2ioTOMElzcDwITISQMXX sXV9gWXHaapkGM6VX46bUeBgB5NOj72JDmE7K9X22CIF66SNH/iY20rPa5chOEgqlf2K l9F3mTMZUoQuOSsTy3xuVMUHyLGEUsoMa0RFjQUBQ3ZNzE8C3/66Y69NfBt76gYQ4u0W vHcSQk93QYJkUEdZJU9juzu1mhhD4ye5l1W72z3utQpkvN5XB7x/C6RQd45fJIcd2FrJ oYKw== X-Gm-Message-State: AEkoousTs8trlpYsAv7Gpk/OJ4zMFm72FCOIID+MeJswtmxm2Z42g1Sd1xEehm/VKxljVA== X-Received: by 10.66.51.98 with SMTP id j2mr67657463pao.87.1469779048704; Fri, 29 Jul 2016 00:57:28 -0700 (PDT) Received: from localhost.localdomain ([103.29.142.67]) by smtp.gmail.com with ESMTPSA id g13sm22473077pfb.7.2016.07.29.00.57.24 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 29 Jul 2016 00:57:28 -0700 (PDT) From: Lin Huang To: heiko@sntech.de, cw00.choi@samsung.com Subject: [PATCH v4 4/7] clk: rockchip: rk3399: add ddrc clock support Date: Fri, 29 Jul 2016 15:56:58 +0800 Message-Id: <1469779021-10426-5-git-send-email-hl@rock-chips.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1469779021-10426-1-git-send-email-hl@rock-chips.com> References: <1469779021-10426-1-git-send-email-hl@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160729_005749_242345_FA6F31E8 X-CRM114-Status: UNSURE ( 8.59 ) 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: tixy@linaro.org, typ@rock-chips.com, Lin Huang , 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, myungjoo.ham@samsung.com, linux-arm-kernel@lists.infradead.org, mark.yao@rock-chips.com 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 v4: - None Changes in v3: - None 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 | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/clk/rockchip/clk-rk3399.c b/drivers/clk/rockchip/clk-rk3399.c index d4a1cf0..b7b42d9 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 +1503,9 @@ static const char *const rk3399_cru_critical_clocks[] __initconst = { "gpll_hclk_perilp1_src", "gpll_aclk_perilp0_src", "gpll_aclk_perihp_src", + + /* ddrc */ + "clk_ddrc" }; static const char *const rk3399_pmucru_critical_clocks[] __initconst = {