From patchwork Mon Sep 1 08:14:02 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shawn Guo X-Patchwork-Id: 4817581 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 5D8CF9F2ED for ; Mon, 1 Sep 2014 08:20:07 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id F18532015E for ; Mon, 1 Sep 2014 08:20:05 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8987A200C6 for ; Mon, 1 Sep 2014 08:20:04 +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 1XOMlQ-0006bC-VU; Mon, 01 Sep 2014 08:15:00 +0000 Received: from mail-by2lp0235.outbound.protection.outlook.com ([207.46.163.235] helo=na01-by2-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1XOMlE-0006Pt-2H for linux-arm-kernel@lists.infradead.org; Mon, 01 Sep 2014 08:14:49 +0000 Received: from BN3PR0301CA0002.namprd03.prod.outlook.com (25.160.180.140) by BLUPR03MB325.namprd03.prod.outlook.com (10.141.48.14) with Microsoft SMTP Server (TLS) id 15.0.1015.9; Mon, 1 Sep 2014 08:14:26 +0000 Received: from BL2FFO11FD053.protection.gbl (2a01:111:f400:7c09::169) by BN3PR0301CA0002.outlook.office365.com (2a01:111:e400:4000::12) with Microsoft SMTP Server (TLS) id 15.0.1019.16 via Frontend Transport; Mon, 1 Sep 2014 08:14:26 +0000 Received: from az84smr01.freescale.net (192.88.158.2) by BL2FFO11FD053.mail.protection.outlook.com (10.173.161.181) with Microsoft SMTP Server (TLS) id 15.0.1010.11 via Frontend Transport; Mon, 1 Sep 2014 08:14:26 +0000 Received: from dragon.ap.freescale.net ([10.192.185.1]) by az84smr01.freescale.net (8.14.3/8.14.0) with ESMTP id s818ECFZ016449; Mon, 1 Sep 2014 01:14:23 -0700 From: Shawn Guo To: Subject: [PATCH v2 3/5] ARM: imx6sl: add BYPASS support for PLL clocks Date: Mon, 1 Sep 2014 16:14:02 +0800 Message-ID: <1409559244-22483-4-git-send-email-shawn.guo@freescale.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1409559244-22483-1-git-send-email-shawn.guo@freescale.com> References: <1409559244-22483-1-git-send-email-shawn.guo@freescale.com> X-EOPAttributedMessage: 0 X-Forefront-Antispam-Report: CIP:192.88.158.2; CTRY:US; IPV:CAL; IPV:NLI; EFV:NLI; SFV:NSPM; SFS:(6009001)(199003)(189002)(86362001)(79102001)(104166001)(44976005)(105606002)(87286001)(77982001)(85852003)(81542001)(85306004)(19580395003)(89996001)(92566001)(84676001)(99396002)(50466002)(93916002)(97736001)(80022001)(50986999)(69596002)(76176999)(92726001)(68736004)(83322001)(76482001)(90102001)(104016003)(64706001)(46102001)(110136001)(33646002)(102836001)(229853001)(2351001)(48376002)(74502001)(36756003)(88136002)(20776003)(50226001)(19580405001)(81156004)(77156001)(26826002)(107046002)(31966008)(62966002)(74662001)(47776003)(106466001)(83072002)(6806004)(87936001)(4396001)(95666004)(81342001)(21056001)(32563001); DIR:OUT; SFP:; SCL:1; SRVR:BLUPR03MB325; H:az84smr01.freescale.net; FPR:; MLV:ovrnspm; PTR:InfoDomainNonexistent; A:1; MX:1; LANG:; MIME-Version: 1.0 X-Microsoft-Antispam: BCL:0;PCL:0;RULEID:;UriScan:; X-Forefront-PRVS: 03218BFD9F Received-SPF: Fail (protection.outlook.com: domain of freescale.com does not designate 192.88.158.2 as permitted sender) receiver=protection.outlook.com; client-ip=192.88.158.2; helo=az84smr01.freescale.net; Authentication-Results: spf=fail (sender IP is 192.88.158.2) smtp.mailfrom=Shawn.Guo@freescale.com; X-OriginatorOrg: freescale.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140901_011448_207760_73A4DCC3 X-CRM114-Status: GOOD ( 10.71 ) X-Spam-Score: -1.4 (-) Cc: Ranjani Vaidyanathan , Shengjiu Wang , Anson Huang , kernel@pengutronix.de, Shawn Guo X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-3.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This is the same change for imx6sl clock driver as "ARM: imx6q: add BYPASS support for PLL clocks" for imx6q. The difference is that only anaclk1 is available on imx6sl. Signed-off-by: Shawn Guo --- arch/arm/mach-imx/clk-imx6sl.c | 69 ++++++++++++++++++++++++++++---- include/dt-bindings/clock/imx6sl-clock.h | 27 ++++++++++++- 2 files changed, 87 insertions(+), 9 deletions(-) diff --git a/arch/arm/mach-imx/clk-imx6sl.c b/arch/arm/mach-imx/clk-imx6sl.c index 11908e8bf9ab..e5c93d81aecc 100644 --- a/arch/arm/mach-imx/clk-imx6sl.c +++ b/arch/arm/mach-imx/clk-imx6sl.c @@ -56,6 +56,20 @@ static const char *epdc_pix_sels[] = { "pll2_bus", "pll3_usb_otg", "pll5_video_d static const char *audio_sels[] = { "pll4_audio_div", "pll3_pfd2", "pll3_pfd3", "pll3_usb_otg", }; static const char *ecspi_sels[] = { "pll3_60m", "osc", }; static const char *uart_sels[] = { "pll3_80m", "osc", }; +static const char *lvds_sels[] = { + "pll1_sys", "pll2_bus", "pll2_pfd0", "pll2_pfd1", "pll2_pfd2", "dummy", "pll4_audio", "pll5_video", + "dummy", "enet_ref", "dummy", "dummy", "pll3_usb_otg", "pll7_usb_host", "pll3_pfd0", "pll3_pfd1", + "pll3_pfd2", "pll3_pfd3", "osc", "dummy", "dummy", "dummy", "dummy", "dummy", + "dummy", "dummy", "dummy", "dummy", "dummy", "dummy", "dummy", "dummy", +}; +static const char *pll_bypass_src_sels[] = { "osc", "lvds1_in", }; +static const char *pll1_bypass_sels[] = { "pll1", "pll1_bypass_src", }; +static const char *pll2_bypass_sels[] = { "pll2", "pll2_bypass_src", }; +static const char *pll3_bypass_sels[] = { "pll3", "pll3_bypass_src", }; +static const char *pll4_bypass_sels[] = { "pll4", "pll4_bypass_src", }; +static const char *pll5_bypass_sels[] = { "pll5", "pll5_bypass_src", }; +static const char *pll6_bypass_sels[] = { "pll6", "pll6_bypass_src", }; +static const char *pll7_bypass_sels[] = { "pll7", "pll7_bypass_src", }; static struct clk_div_table clk_enet_ref_table[] = { { .val = 0, .div = 20, }, @@ -176,20 +190,59 @@ static void __init imx6sl_clocks_init(struct device_node *ccm_node) clks[IMX6SL_CLK_DUMMY] = imx_clk_fixed("dummy", 0); clks[IMX6SL_CLK_CKIL] = imx_obtain_fixed_clock("ckil", 0); clks[IMX6SL_CLK_OSC] = imx_obtain_fixed_clock("osc", 0); + /* Clock source from external clock via CLK1 PAD */ + clks[IMX6SL_CLK_ANACLK1] = imx_obtain_fixed_clock("anaclk1", 0); np = of_find_compatible_node(NULL, NULL, "fsl,imx6sl-anatop"); base = of_iomap(np, 0); WARN_ON(!base); anatop_base = base; - /* type name parent base div_mask */ - clks[IMX6SL_CLK_PLL1_SYS] = imx_clk_pllv3(IMX_PLLV3_SYS, "pll1_sys", "osc", base, 0x7f); - clks[IMX6SL_CLK_PLL2_BUS] = imx_clk_pllv3(IMX_PLLV3_GENERIC, "pll2_bus", "osc", base + 0x30, 0x1); - clks[IMX6SL_CLK_PLL3_USB_OTG] = imx_clk_pllv3(IMX_PLLV3_USB, "pll3_usb_otg", "osc", base + 0x10, 0x3); - clks[IMX6SL_CLK_PLL4_AUDIO] = imx_clk_pllv3(IMX_PLLV3_AV, "pll4_audio", "osc", base + 0x70, 0x7f); - clks[IMX6SL_CLK_PLL5_VIDEO] = imx_clk_pllv3(IMX_PLLV3_AV, "pll5_video", "osc", base + 0xa0, 0x7f); - clks[IMX6SL_CLK_PLL6_ENET] = imx_clk_pllv3(IMX_PLLV3_ENET, "pll6_enet", "osc", base + 0xe0, 0x3); - clks[IMX6SL_CLK_PLL7_USB_HOST] = imx_clk_pllv3(IMX_PLLV3_USB, "pll7_usb_host", "osc", base + 0x20, 0x3); + clks[IMX6SL_PLL1_BYPASS_SRC] = imx_clk_mux("pll1_bypass_src", base + 0x00, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels)); + clks[IMX6SL_PLL2_BYPASS_SRC] = imx_clk_mux("pll2_bypass_src", base + 0x30, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels)); + clks[IMX6SL_PLL3_BYPASS_SRC] = imx_clk_mux("pll3_bypass_src", base + 0x10, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels)); + clks[IMX6SL_PLL4_BYPASS_SRC] = imx_clk_mux("pll4_bypass_src", base + 0x70, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels)); + clks[IMX6SL_PLL5_BYPASS_SRC] = imx_clk_mux("pll5_bypass_src", base + 0xa0, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels)); + clks[IMX6SL_PLL6_BYPASS_SRC] = imx_clk_mux("pll6_bypass_src", base + 0xe0, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels)); + clks[IMX6SL_PLL7_BYPASS_SRC] = imx_clk_mux("pll7_bypass_src", base + 0x20, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels)); + + /* type name parent_name base div_mask */ + clks[IMX6SL_CLK_PLL1] = imx_clk_pllv3(IMX_PLLV3_SYS, "pll1", "pll1_bypass_src", base + 0x00, 0x7f); + clks[IMX6SL_CLK_PLL2] = imx_clk_pllv3(IMX_PLLV3_GENERIC, "pll2", "pll2_bypass_src", base + 0x30, 0x1); + clks[IMX6SL_CLK_PLL3] = imx_clk_pllv3(IMX_PLLV3_USB, "pll3", "pll3_bypass_src", base + 0x10, 0x3); + clks[IMX6SL_CLK_PLL4] = imx_clk_pllv3(IMX_PLLV3_AV, "pll4", "pll4_bypass_src", base + 0x70, 0x7f); + clks[IMX6SL_CLK_PLL5] = imx_clk_pllv3(IMX_PLLV3_AV, "pll5", "pll5_bypass_src", base + 0xa0, 0x7f); + clks[IMX6SL_CLK_PLL6] = imx_clk_pllv3(IMX_PLLV3_ENET, "pll6", "pll6_bypass_src", base + 0xe0, 0x3); + clks[IMX6SL_CLK_PLL7] = imx_clk_pllv3(IMX_PLLV3_USB, "pll7", "pll7_bypass_src", base + 0x20, 0x3); + + clks[IMX6SL_PLL1_BYPASS] = imx_clk_mux_flags("pll1_bypass", base + 0x00, 16, 1, pll1_bypass_sels, ARRAY_SIZE(pll1_bypass_sels), CLK_SET_RATE_PARENT); + clks[IMX6SL_PLL2_BYPASS] = imx_clk_mux_flags("pll2_bypass", base + 0x30, 16, 1, pll2_bypass_sels, ARRAY_SIZE(pll2_bypass_sels), CLK_SET_RATE_PARENT); + clks[IMX6SL_PLL3_BYPASS] = imx_clk_mux_flags("pll3_bypass", base + 0x10, 16, 1, pll3_bypass_sels, ARRAY_SIZE(pll3_bypass_sels), CLK_SET_RATE_PARENT); + clks[IMX6SL_PLL4_BYPASS] = imx_clk_mux_flags("pll4_bypass", base + 0x70, 16, 1, pll4_bypass_sels, ARRAY_SIZE(pll4_bypass_sels), CLK_SET_RATE_PARENT); + clks[IMX6SL_PLL5_BYPASS] = imx_clk_mux_flags("pll5_bypass", base + 0xa0, 16, 1, pll5_bypass_sels, ARRAY_SIZE(pll5_bypass_sels), CLK_SET_RATE_PARENT); + clks[IMX6SL_PLL6_BYPASS] = imx_clk_mux_flags("pll6_bypass", base + 0xe0, 16, 1, pll6_bypass_sels, ARRAY_SIZE(pll6_bypass_sels), CLK_SET_RATE_PARENT); + clks[IMX6SL_PLL7_BYPASS] = imx_clk_mux_flags("pll7_bypass", base + 0x20, 16, 1, pll7_bypass_sels, ARRAY_SIZE(pll7_bypass_sels), CLK_SET_RATE_PARENT); + + /* Do not bypass PLLs initially */ + clk_set_parent(clks[IMX6SL_PLL1_BYPASS], clks[IMX6SL_CLK_PLL1]); + clk_set_parent(clks[IMX6SL_PLL2_BYPASS], clks[IMX6SL_CLK_PLL2]); + clk_set_parent(clks[IMX6SL_PLL3_BYPASS], clks[IMX6SL_CLK_PLL3]); + clk_set_parent(clks[IMX6SL_PLL4_BYPASS], clks[IMX6SL_CLK_PLL4]); + clk_set_parent(clks[IMX6SL_PLL5_BYPASS], clks[IMX6SL_CLK_PLL5]); + clk_set_parent(clks[IMX6SL_PLL6_BYPASS], clks[IMX6SL_CLK_PLL6]); + clk_set_parent(clks[IMX6SL_PLL7_BYPASS], clks[IMX6SL_CLK_PLL7]); + + clks[IMX6SL_CLK_PLL1_SYS] = imx_clk_gate("pll1_sys", "pll1_bypass", base + 0x00, 13); + clks[IMX6SL_CLK_PLL2_BUS] = imx_clk_gate("pll2_bus", "pll2_bypass", base + 0x30, 13); + clks[IMX6SL_CLK_PLL3_USB_OTG] = imx_clk_gate("pll3_usb_otg", "pll3_bypass", base + 0x10, 13); + clks[IMX6SL_CLK_PLL4_AUDIO] = imx_clk_gate("pll4_audio", "pll4_bypass", base + 0x70, 13); + clks[IMX6SL_CLK_PLL5_VIDEO] = imx_clk_gate("pll5_video", "pll5_bypass", base + 0xa0, 13); + clks[IMX6SL_CLK_PLL6_ENET] = imx_clk_gate("pll6_enet", "pll6_bypass", base + 0xe0, 13); + clks[IMX6SL_CLK_PLL7_USB_HOST] = imx_clk_gate("pll7_usb_host", "pll7_bypass", base + 0xe0, 13); + + clks[IMX6SL_CLK_LVDS1_SEL] = imx_clk_mux("lvds1_sel", base + 0x160, 0, 5, lvds_sels, ARRAY_SIZE(lvds_sels)); + clks[IMX6SL_CLK_LVDS1_OUT] = imx_clk_gate_exclusive("lvds1_out", "lvds1_sel", base + 0x160, 10, BIT(12)); + clks[IMX6SL_CLK_LVDS1_IN] = imx_clk_gate_exclusive("lvds1_in", "anaclk1", base + 0x160, 12, BIT(10)); /* * usbphy1 and usbphy2 are implemented as dummy gates using reserve diff --git a/include/dt-bindings/clock/imx6sl-clock.h b/include/dt-bindings/clock/imx6sl-clock.h index b91dd462ba85..f10a928fe2dd 100644 --- a/include/dt-bindings/clock/imx6sl-clock.h +++ b/include/dt-bindings/clock/imx6sl-clock.h @@ -146,6 +146,31 @@ #define IMX6SL_CLK_PLL4_AUDIO_DIV 133 #define IMX6SL_CLK_SPBA 134 #define IMX6SL_CLK_ENET 135 -#define IMX6SL_CLK_END 136 +#define IMX6SL_CLK_LVDS1_SEL 136 +#define IMX6SL_CLK_LVDS1_OUT 137 +#define IMX6SL_CLK_LVDS1_IN 138 +#define IMX6SL_CLK_ANACLK1 139 +#define IMX6SL_PLL1_BYPASS_SRC 140 +#define IMX6SL_PLL2_BYPASS_SRC 141 +#define IMX6SL_PLL3_BYPASS_SRC 142 +#define IMX6SL_PLL4_BYPASS_SRC 143 +#define IMX6SL_PLL5_BYPASS_SRC 144 +#define IMX6SL_PLL6_BYPASS_SRC 145 +#define IMX6SL_PLL7_BYPASS_SRC 146 +#define IMX6SL_CLK_PLL1 147 +#define IMX6SL_CLK_PLL2 148 +#define IMX6SL_CLK_PLL3 149 +#define IMX6SL_CLK_PLL4 150 +#define IMX6SL_CLK_PLL5 151 +#define IMX6SL_CLK_PLL6 152 +#define IMX6SL_CLK_PLL7 153 +#define IMX6SL_PLL1_BYPASS 154 +#define IMX6SL_PLL2_BYPASS 155 +#define IMX6SL_PLL3_BYPASS 156 +#define IMX6SL_PLL4_BYPASS 157 +#define IMX6SL_PLL5_BYPASS 158 +#define IMX6SL_PLL6_BYPASS 159 +#define IMX6SL_PLL7_BYPASS 160 +#define IMX6SL_CLK_END 161 #endif /* __DT_BINDINGS_CLOCK_IMX6SL_H */