From patchwork Mon Aug 1 04:25:01 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: zhengxing X-Patchwork-Id: 9253735 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 2E8FF60865 for ; Mon, 1 Aug 2016 04:27:39 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2345F2848F for ; Mon, 1 Aug 2016 04:27:39 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1602B28493; Mon, 1 Aug 2016 04:27:39 +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 9AB292848F for ; Mon, 1 Aug 2016 04:27:38 +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 1bU4nh-0006Wn-3Y; Mon, 01 Aug 2016 04:26:01 +0000 Received: from regular1.263xmail.com ([211.150.99.132]) by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1bU4nH-0005Ko-Ot; Mon, 01 Aug 2016 04:25:38 +0000 Received: from zhengxing?rock-chips.com (unknown [192.168.167.78]) by regular1.263xmail.com (Postfix) with SMTP id BD8569509; Mon, 1 Aug 2016 12:25:11 +0800 (CST) X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ABS-CHECKED: 4 X-ADDR-CHECKED: 0 Received: from localhost.localdomain (localhost [127.0.0.1]) by smtp.263.net (Postfix) with ESMTP id 3DD3E395; Mon, 1 Aug 2016 12:25:09 +0800 (CST) X-RL-SENDER: zhengxing@rock-chips.com X-FST-TO: heiko@sntech.de X-SENDER-IP: 103.29.142.67 X-LOGIN-NAME: zhengxing@rock-chips.com X-UNIQUE-TAG: X-ATTACHMENT-NUM: 0 X-SENDER: zhengxing@rock-chips.com X-DNS-TYPE: 0 Received: from localhost.localdomain (unknown [103.29.142.67]) by smtp.263.net (Postfix) whith ESMTP id 3101FLAABM; Mon, 01 Aug 2016 12:25:12 +0800 (CST) From: Xing Zheng To: heiko@sntech.de Subject: [RESEND PATCH 6/6] clk: rockchip: rk3399: Add support frac mode frequencies Date: Mon, 1 Aug 2016 12:25:01 +0800 Message-Id: <1470025501-4259-1-git-send-email-zhengxing@rock-chips.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1470025389-4094-1-git-send-email-zhengxing@rock-chips.com> References: <1470025389-4094-1-git-send-email-zhengxing@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160731_212536_513531_471F1D89 X-CRM114-Status: UNSURE ( 6.77 ) 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: huangtao@rock-chips.com, zhangqing@rock-chips.com, zhengxing@rock-chips.com, mturquette@baylibre.com, briannorris@chromium.org, sboyd@codeaurora.org, linux-kernel@vger.kernel.org, dianders@chromium.org, linux-rockchip@lists.infradead.org, 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 We need to support various display resolutions for external display devices like HDMI/DP, the frac mode can help us to acquire almost any frequencies, and need higher VCOs to reduce clock jitters. Signed-off-by: Xing Zheng --- drivers/clk/rockchip/clk-rk3399.c | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) diff --git a/drivers/clk/rockchip/clk-rk3399.c b/drivers/clk/rockchip/clk-rk3399.c index 4a15ce5b..3daa164 100644 --- a/drivers/clk/rockchip/clk-rk3399.c +++ b/drivers/clk/rockchip/clk-rk3399.c @@ -109,6 +109,25 @@ static struct rockchip_pll_rate_table rk3399_pll_rates[] = { { /* sentinel */ }, }; +static struct rockchip_pll_rate_table rk3399_pll_frates[] = { + /* _mhz, _refdiv, _fbdiv, _postdiv1, _postdiv2, _dsmpd, _frac */ + RK3036_PLL_RATE( 594000000, 1, 123, 5, 1, 0, 12582912), /* vco = 2970000000 */ + RK3036_PLL_RATE( 593406593, 1, 123, 5, 1, 0, 10508804), /* vco = 2967032965 */ + RK3036_PLL_RATE( 297000000, 1, 123, 5, 2, 0, 12582912), /* vco = 2970000000 */ + RK3036_PLL_RATE( 296703297, 1, 123, 5, 2, 0, 10508807), /* vco = 2967032970 */ + RK3036_PLL_RATE( 148500000, 1, 129, 7, 3, 0, 15728640), /* vco = 3118500000 */ + RK3036_PLL_RATE( 148351648, 1, 123, 5, 4, 0, 10508800), /* vco = 2967032960 */ + RK3036_PLL_RATE( 106500000, 1, 124, 7, 4, 0, 4194304), /* vco = 2982000000 */ + RK3036_PLL_RATE( 74250000, 1, 129, 7, 6, 0, 15728640), /* vco = 3118500000 */ + RK3036_PLL_RATE( 74175824, 1, 129, 7, 6, 0, 13550823), /* vco = 3115384608 */ + RK3036_PLL_RATE( 65000000, 1, 113, 7, 6, 0, 12582912), /* vco = 2730000000 */ + RK3036_PLL_RATE( 59340659, 1, 121, 7, 7, 0, 2581098), /* vco = 2907692291 */ + RK3036_PLL_RATE( 54000000, 1, 110, 7, 7, 0, 4194304), /* vco = 2646000000 */ + RK3036_PLL_RATE( 27000000, 1, 55, 7, 7, 0, 2097152), /* vco = 1323000000 */ + RK3036_PLL_RATE( 26973027, 1, 55, 7, 7, 0, 1173232), /* vco = 1321678323 */ + { /* sentinel */ }, +}; + /* CRU parents */ PNAME(mux_pll_p) = { "xin24m", "xin32k" }; @@ -229,7 +248,7 @@ static struct rockchip_pll_clock rk3399_pll_clks[] __initdata = { [npll] = PLL(pll_rk3399, PLL_NPLL, "npll", mux_pll_p, 0, RK3399_PLL_CON(40), RK3399_PLL_CON(43), 8, 31, ROCKCHIP_PLL_SYNC_RATE, rk3399_pll_rates), [vpll] = PLL(pll_rk3399, PLL_VPLL, "vpll", mux_pll_p, 0, RK3399_PLL_CON(48), - RK3399_PLL_CON(51), 8, 31, ROCKCHIP_PLL_SYNC_RATE, rk3399_pll_rates), + RK3399_PLL_CON(51), 8, 31, ROCKCHIP_PLL_SYNC_RATE, rk3399_pll_frates), }; static struct rockchip_pll_clock rk3399_pmu_pll_clks[] __initdata = {