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GET /api/patches/195764/?format=api
{ "id": 195764, "url": "http://patchwork.ozlabs.org/api/patches/195764/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-imx/patch/1351668533-32712-1-git-send-email-s.hauer@pengutronix.de/", "project": { "id": 19, "url": "http://patchwork.ozlabs.org/api/projects/19/?format=api", "name": "Linux IMX development", "link_name": "linux-imx", "list_id": "linux-imx-kernel.lists.patchwork.ozlabs.org", "list_email": "linux-imx-kernel@lists.patchwork.ozlabs.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<1351668533-32712-1-git-send-email-s.hauer@pengutronix.de>", "list_archive_url": null, "date": "2012-10-31T07:28:53", "name": "ARM i.MX27: Fix low reference clock path", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "45657955306d5ada72f58e56ed4e60e71db65e3c", "submitter": { "id": 61, "url": "http://patchwork.ozlabs.org/api/people/61/?format=api", "name": "Sascha Hauer", "email": "s.hauer@pengutronix.de" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-imx/patch/1351668533-32712-1-git-send-email-s.hauer@pengutronix.de/mbox/", "series": [], "comments": "http://patchwork.ozlabs.org/api/patches/195764/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/195764/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org>", "X-Original-To": "incoming-imx@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming-imx@bilbo.ozlabs.org", "Received": [ "from merlin.infradead.org (merlin.infradead.org\n\t[IPv6:2001:4978:20e::2])\n\t(using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits))\n\t(Client did not present a certificate)\n\tby ozlabs.org (Postfix) with ESMTPS id E7FED2C00DB\n\tfor <incoming-imx@patchwork.ozlabs.org>;\n\tWed, 31 Oct 2012 18:32:08 +1100 (EST)", "from localhost ([::1] helo=merlin.infradead.org)\n\tby merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux))\n\tid 1TTSjx-0000mh-83; Wed, 31 Oct 2012 07:29:29 +0000", "from metis.ext.pengutronix.de\n\t([2001:6f8:1178:4:290:27ff:fe1d:cc33])\n\tby merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux))\n\tid 1TTSjS-0000Wi-Fd for linux-arm-kernel@lists.infradead.org;\n\tWed, 31 Oct 2012 07:29:00 +0000", "from dude.hi.pengutronix.de ([2001:6f8:1178:2:21e:67ff:fe11:9c5c])\n\tby metis.ext.pengutronix.de with esmtp (Exim 4.72)\n\t(envelope-from <sha@pengutronix.de>)\n\tid 1TTSjO-0006vm-N7; Wed, 31 Oct 2012 08:28:54 +0100", "from sha by dude.hi.pengutronix.de with local (Exim 4.80)\n\t(envelope-from <sha@pengutronix.de>)\n\tid 1TTSjO-0008WD-Kf; Wed, 31 Oct 2012 08:28:54 +0100" ], "From": "Sascha Hauer <s.hauer@pengutronix.de>", "To": "<linux-arm-kernel@lists.infradead.org>", "Subject": "[PATCH] ARM i.MX27: Fix low reference clock path", "Date": "Wed, 31 Oct 2012 08:28:53 +0100", "Message-Id": "<1351668533-32712-1-git-send-email-s.hauer@pengutronix.de>", "X-Mailer": "git-send-email 1.7.10.4", "X-SA-Exim-Connect-IP": "2001:6f8:1178:2:21e:67ff:fe11:9c5c", "X-SA-Exim-Mail-From": "sha@pengutronix.de", "X-SA-Exim-Scanned": "No (on metis.ext.pengutronix.de);\n\tSAEximRunCond expanded to false", "X-PTX-Original-Recipient": "linux-arm-kernel@lists.infradead.org", "X-CRM114-Version": "20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 ", "X-CRM114-CacheID": "sfid-20121031_032859_444648_F84BFADC ", "X-CRM114-Status": "GOOD ( 13.16 )", "X-Spam-Score": "-2.6 (--)", "X-Spam-Report": "SpamAssassin version 3.3.2 on merlin.infradead.org summary:\n\tContent analysis details: (-2.6 points)\n\tpts rule name description\n\t---- ----------------------\n\t--------------------------------------------------\n\t-0.7 RP_MATCHES_RCVD Envelope sender domain matches handover relay\n\tdomain\n\t-1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1%\n\t[score: 0.0000]", "Cc": "Philippe Reynes <tremyfr@yahoo.fr>, Sascha Hauer <s.hauer@pengutronix.de>", "X-BeenThere": "linux-arm-kernel@lists.infradead.org", "X-Mailman-Version": "2.1.14", "Precedence": "list", "List-Unsubscribe": "<http://lists.infradead.org/mailman/options/linux-arm-kernel>,\n\t<mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe>", "List-Archive": "<http://lists.infradead.org/pipermail/linux-arm-kernel/>", "List-Post": "<mailto:linux-arm-kernel@lists.infradead.org>", "List-Help": "<mailto:linux-arm-kernel-request@lists.infradead.org?subject=help>", "List-Subscribe": "<http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>,\n\t<mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Sender": "linux-arm-kernel-bounces@lists.infradead.org", "Errors-To": "linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org", "List-Id": "linux-imx-kernel.lists.patchwork.ozlabs.org" }, "content": "The i.MX27 clock tree can either be driven from a 26MHz oscillator\nor from a 32768Hz oscillator. The latter was not properly implemented,\nthe mux between these two pathes was missing. Add this mux and while\nat it rename the 'prem' (premultiplier) clk to 'fpm' (Frequency\nPre-Multiplier) to better match the datasheet.\n\nSigned-off-by: Sascha Hauer <s.hauer@pengutronix.de>\n---\n arch/arm/mach-imx/clk-imx27.c | 17 ++++++++++++++---\n 1 file changed, 14 insertions(+), 3 deletions(-)", "diff": "diff --git a/arch/arm/mach-imx/clk-imx27.c b/arch/arm/mach-imx/clk-imx27.c\nindex 3b6b640..f8d9129 100644\n--- a/arch/arm/mach-imx/clk-imx27.c\n+++ b/arch/arm/mach-imx/clk-imx27.c\n@@ -51,8 +51,10 @@\n \n static const char *vpu_sel_clks[] = { \"spll\", \"mpll_main2\", };\n static const char *cpu_sel_clks[] = { \"mpll_main2\", \"mpll\", };\n+static const char *mpll_sel_clks[] = { \"fpm\", \"mpll_osc_sel\", };\n+static const char *mpll_osc_sel_clks[] = { \"ckih\", \"ckih_div1p5\", };\n static const char *clko_sel_clks[] = {\n-\t\"ckil\", \"prem\", \"ckih\", \"ckih\",\n+\t\"ckil\", \"fpm\", \"ckih\", \"ckih\",\n \t\"ckih\", \"mpll\", \"spll\", \"cpu_div\",\n \t\"ahb\", \"ipg\", \"per1_div\", \"per2_div\",\n \t\"per3_div\", \"per4_div\", \"ssi1_div\", \"ssi2_div\",\n@@ -79,7 +81,8 @@ enum mx27_clks {\n \tvpu_ahb_gate, fec_ahb_gate, emma_ahb_gate, emi_ahb_gate, dma_ahb_gate,\n \tcsi_ahb_gate, brom_ahb_gate, ata_ahb_gate, wdog_ipg_gate, usb_ipg_gate,\n \tuart6_ipg_gate, uart5_ipg_gate, uart4_ipg_gate, uart3_ipg_gate,\n-\tuart2_ipg_gate, uart1_ipg_gate, clk_max\n+\tuart2_ipg_gate, uart1_ipg_gate, ckih_div1p5, fpm, mpll_osc_sel,\n+\tmpll_sel, clk_max\n };\n \n static struct clk *clk[clk_max];\n@@ -91,7 +94,15 @@ int __init mx27_clocks_init(unsigned long fref)\n \tclk[dummy] = imx_clk_fixed(\"dummy\", 0);\n \tclk[ckih] = imx_clk_fixed(\"ckih\", fref);\n \tclk[ckil] = imx_clk_fixed(\"ckil\", 32768);\n-\tclk[mpll] = imx_clk_pllv1(\"mpll\", \"ckih\", CCM_MPCTL0);\n+\tclk[fpm] = imx_clk_fixed_factor(\"fpm\", \"ckil\", 1024, 1);\n+\tclk[ckih_div1p5] = imx_clk_fixed_factor(\"ckih_div1p5\", \"ckih\", 2, 3);\n+\n+\tclk[mpll_osc_sel] = imx_clk_mux(\"mpll_osc_sel\", CCM_CSCR, 4, 1,\n+\t\t\tmpll_osc_sel_clks,\n+\t\t\tARRAY_SIZE(mpll_osc_sel_clks));\n+\tclk[mpll_sel] = imx_clk_mux(\"mpll_sel\", CCM_CSCR, 16, 1, mpll_sel_clks,\n+\t\t\tARRAY_SIZE(mpll_sel_clks));\n+\tclk[mpll] = imx_clk_pllv1(\"mpll\", \"mpll_sel\", CCM_MPCTL0);\n \tclk[spll] = imx_clk_pllv1(\"spll\", \"ckih\", CCM_SPCTL0);\n \tclk[mpll_main2] = imx_clk_fixed_factor(\"mpll_main2\", \"mpll\", 2, 3);\n \n", "prefixes": [] }