From patchwork Fri Jun 3 09:55:16 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: huang lin X-Patchwork-Id: 9156423 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 9DEBA60221 for ; Sun, 5 Jun 2016 21:15:29 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8F35C281DB for ; Sun, 5 Jun 2016 21:15:29 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 83E8D28210; Sun, 5 Jun 2016 21:15:29 +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=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 78865272AA for ; Sun, 5 Jun 2016 21:15:28 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BF8AC6E22B; Sun, 5 Jun 2016 21:14:39 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-pa0-f68.google.com (mail-pa0-f68.google.com [209.85.220.68]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3CDDD6ED55 for ; Fri, 3 Jun 2016 09:55:45 +0000 (UTC) Received: by mail-pa0-f68.google.com with SMTP id gp3so5617072pac.2 for ; Fri, 03 Jun 2016 02:55:45 -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=zjl5qd0j7g6ANjsOuA3dPnIRqXEe5OnJ6tHzxaaAkdk=; b=QCh7IHJ3OQmAJKbrKDAkAifXgfasjd7Km1jpEnM1dRsZSI9Ya2URYLi2TvZewtDl+i f3Vj84tifj/136wC8tE50ZJN1beGkzrUAOE/GxISvqhPWLf2DxutPR0gAwWz0uk+mEmi XDo0fGFC0ZlhkO1YZ7pPjH5zzATlJO5T2rg/jGsAizEjA0sammr6UU3Vg8QdMa0U9VAy 6GklDGxR2ugzkeP8KqG9/FIamn5GwBdHY2cCea8peMVYVX3usqjOQq6hJ9pTym6FilhP 53nlyxQPT01Y75PZnFFFm11dpUUESwktGWfT5mr3ASrpwWSU46oU8rOrUMgoXov66msX zRcA== X-Gm-Message-State: ALyK8tKAtbgfwywADvM/I9f6U7I8MlRfjZ3fT8p8BqGr4CFhTv2Lip7SwY97uNQXyY+PAA== X-Received: by 10.66.168.42 with SMTP id zt10mr4236500pab.132.1464947744158; Fri, 03 Jun 2016 02:55:44 -0700 (PDT) Received: from localhost.localdomain ([103.29.142.67]) by smtp.gmail.com with ESMTPSA id t77sm6953892pfa.71.2016.06.03.02.55.40 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 03 Jun 2016 02:55:43 -0700 (PDT) From: Lin Huang To: heiko@sntech.de, mark.yao@rock-chips.com, myungjoo.ham@samsung.com Subject: [RFC PATCH v1 3/6] clk: rockchip: rk3399: add ddrc clock support Date: Fri, 3 Jun 2016 17:55:16 +0800 Message-Id: <1464947719-6245-4-git-send-email-hl@rock-chips.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1464947719-6245-1-git-send-email-hl@rock-chips.com> References: <1464947719-6245-1-git-send-email-hl@rock-chips.com> X-Mailman-Approved-At: Sun, 05 Jun 2016 21:13:44 +0000 Cc: huangtao@rock-chips.com, typ@rock-chips.com, Lin Huang , 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 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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 v1: - remove ddrc source CLK_IGNORE_UNUSED flag, Suggestion by Doug - move clk_ddrc and clk_ddrc_dpll_src to critical, Suggestion by Doug drivers/clk/rockchip/clk-rk3399.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/drivers/clk/rockchip/clk-rk3399.c b/drivers/clk/rockchip/clk-rk3399.c index f1d8e44..29afb88 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 +1503,10 @@ static const char *const rk3399_cru_critical_clocks[] __initconst = { "gpll_hclk_perilp1_src", "gpll_aclk_perilp0_src", "gpll_aclk_perihp_src", + + /* ddrc */ + "clk_ddrc_dpll_src", + "clk_ddrc", }; static const char *const rk3399_pmucru_critical_clocks[] __initconst = {