From patchwork Wed Jun 1 09:35:37 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: huang lin X-Patchwork-Id: 9146913 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 9F31960757 for ; Wed, 1 Jun 2016 09:37:46 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8CCA2200E7 for ; Wed, 1 Jun 2016 09:37:46 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8183C22473; Wed, 1 Jun 2016 09:37:46 +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 24D89200E7 for ; Wed, 1 Jun 2016 09:37:46 +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 1b82Zp-0007oP-AX; Wed, 01 Jun 2016 09:36:37 +0000 Received: from mail-pf0-f196.google.com ([209.85.192.196]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1b82Zf-0007Zt-P3; Wed, 01 Jun 2016 09:36:28 +0000 Received: by mail-pf0-f196.google.com with SMTP id c84so2882601pfc.1; Wed, 01 Jun 2016 02:36:07 -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=vrfhWj01R/A6wSuHiQ3vlT5lEFX+J5N/btBRhNXO4oc=; b=KKwtBkNfBkfkXPYZMfFH0bpX8pmHl1kzcgx6JoW6CAjGh/vheUPM8nfs2ZO/onLe8s h1ywwAoeQYAuxoHDL9DT9rDfGu1tpNZw+nvILq7w/DT+tiFqTMIpTCuI3wMxo2cpximS HXKOD7ZlNnV7ImvpOewfjgbe3+Vk3GtJA0Rlx1c0XlUA5oh3F5/sxNLjCCHsI/bhuCJu 74h7EZdtlEQ+jGwaEgh3t8b/tlpjt+D5RsOpgrxDKIVb5pYjbjbmVvU2QDmEp2CJR7Ri Mfu+oqe/cWUaV/yWIfiY1BGkF64Bhh0KHBj8+K5HmmXUUuLozsUyxj0UYvyJ9OcialM2 sCIQ== X-Gm-Message-State: ALyK8tLJl7TAtj1l9wTLkYxaGJ9eTNZ3h/SkzRPCj5EfDGwm8Cjf1VZWJCWvk3LD8mg6nQ== X-Received: by 10.98.42.73 with SMTP id q70mr6837041pfq.128.1464773766908; Wed, 01 Jun 2016 02:36:06 -0700 (PDT) Received: from localhost.localdomain ([103.29.142.67]) by smtp.gmail.com with ESMTPSA id q127sm18173335pfb.34.2016.06.01.02.36.02 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 01 Jun 2016 02:36:06 -0700 (PDT) From: Lin Huang To: heiko@sntech.de, mark.yao@rock-chips.com, myungjoo.ham@samsung.com Subject: [RFC PATCH 2/4] clk: rockchip: rk3399: add ddrc clock support Date: Wed, 1 Jun 2016 17:35:37 +0800 Message-Id: <1464773739-18152-3-git-send-email-hl@rock-chips.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1464773739-18152-1-git-send-email-hl@rock-chips.com> References: <1464773739-18152-1-git-send-email-hl@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160601_023627_907123_F7255337 X-CRM114-Status: UNSURE ( 8.77 ) 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 , 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 --- drivers/clk/rockchip/clk-rk3399.c | 16 ++++++++++++++++ include/dt-bindings/clock/rk3399-cru.h | 1 + 2 files changed, 17 insertions(+) diff --git a/drivers/clk/rockchip/clk-rk3399.c b/drivers/clk/rockchip/clk-rk3399.c index f1d8e44..749ea59 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", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(3), 0, GFLAGS), + GATE(0, "clk_ddrc_bpll_src", "bpll", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(3), 1, GFLAGS), + GATE(0, "clk_ddrc_dpll_src", "dpll", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(3), 2, GFLAGS), + GATE(0, "clk_ddrc_gpll_src", "gpll", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(3), 3, GFLAGS), + COMPOSITE_DDRC(SCLK_DDRCLK, "clk_ddrc", mux_ddrclk_p, CLK_IGNORE_UNUSED, + RK3399_CLKSEL_CON(6), 4, 2, MFLAGS, 0, 3, DFLAGS), }; static struct rockchip_clk_branch rk3399_clk_pmu_branches[] __initdata = { diff --git a/include/dt-bindings/clock/rk3399-cru.h b/include/dt-bindings/clock/rk3399-cru.h index 50a44cf..8a0f0442 100644 --- a/include/dt-bindings/clock/rk3399-cru.h +++ b/include/dt-bindings/clock/rk3399-cru.h @@ -131,6 +131,7 @@ #define SCLK_DPHY_RX0_CFG 165 #define SCLK_RMII_SRC 166 #define SCLK_PCIEPHY_REF100M 167 +#define SCLK_DDRCLK 168 #define DCLK_VOP0 180 #define DCLK_VOP1 181