From patchwork Fri Oct 1 21:34:59 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Walmsley X-Patchwork-Id: 225522 X-Patchwork-Delegate: paul@pwsan.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id o91Lftoh028276 for ; Fri, 1 Oct 2010 21:41:56 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756299Ab0JAVl3 (ORCPT ); Fri, 1 Oct 2010 17:41:29 -0400 Received: from utopia.booyaka.com ([72.9.107.138]:49829 "EHLO utopia.booyaka.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755909Ab0JAVlZ (ORCPT ); Fri, 1 Oct 2010 17:41:25 -0400 Received: (qmail 22185 invoked by uid 1019); 1 Oct 2010 21:41:24 -0000 MBOX-Line: From nobody Fri Oct 1 15:34:59 2010 Subject: [PATCH 03/10] OMAP2420: clock: add MCBSP_CLKS node and clkdev aliases To: linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org From: Paul Walmsley Date: Fri, 01 Oct 2010 15:34:59 -0600 Message-ID: <20101001213454.1408.22112.stgit@twilight.localdomain> In-Reply-To: <20101001213119.1408.65395.stgit@twilight.localdomain> References: <20101001213119.1408.65395.stgit@twilight.localdomain> User-Agent: StGit/0.15 MIME-Version: 1.0 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter1.kernel.org [140.211.167.41]); Fri, 01 Oct 2010 21:41:56 +0000 (UTC) diff --git a/arch/arm/mach-omap2/clock2420_data.c b/arch/arm/mach-omap2/clock2420_data.c index 5f2066a..7086fe4 100644 --- a/arch/arm/mach-omap2/clock2420_data.c +++ b/arch/arm/mach-omap2/clock2420_data.c @@ -18,6 +18,7 @@ #include #include +#include #include "clock.h" #include "clock2xxx.h" @@ -89,6 +90,12 @@ static struct clk alt_ck = { /* Typical 54M or 48M, may not exist */ .clkdm_name = "wkup_clkdm", }; +/* Optional external clock input for McBSP CLKS */ +static struct clk mcbsp_clks = { + .name = "mcbsp_clks", + .ops = &clkops_null, +}; + /* * Analog domain root source clocks */ @@ -1135,14 +1142,34 @@ static struct clk mcbsp1_ick = { .recalc = &followparent_recalc, }; +static const struct clksel_rate common_mcbsp_96m_rates[] = { + { .div = 1, .val = 0, .flags = RATE_IN_24XX }, + { .div = 0 } +}; + +static const struct clksel_rate common_mcbsp_mcbsp_rates[] = { + { .div = 1, .val = 1, .flags = RATE_IN_24XX }, + { .div = 0 } +}; + +static const struct clksel mcbsp_fck_clksel[] = { + { .parent = &func_96m_ck, .rates = common_mcbsp_96m_rates }, + { .parent = &mcbsp_clks, .rates = common_mcbsp_mcbsp_rates }, + { .parent = NULL } +}; + static struct clk mcbsp1_fck = { .name = "mcbsp1_fck", .ops = &clkops_omap2_dflt_wait, .parent = &func_96m_ck, + .init = &omap2_init_clksel_parent, .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP24XX_EN_MCBSP1_SHIFT, - .recalc = &followparent_recalc, + .clksel_reg = OMAP242X_CTRL_REGADDR(OMAP2_CONTROL_DEVCONF0), + .clksel_mask = OMAP2_MCBSP1_CLKS_MASK, + .clksel = mcbsp_fck_clksel, + .recalc = &omap2_clksel_recalc, }; static struct clk mcbsp2_ick = { @@ -1159,10 +1186,14 @@ static struct clk mcbsp2_fck = { .name = "mcbsp2_fck", .ops = &clkops_omap2_dflt_wait, .parent = &func_96m_ck, + .init = &omap2_init_clksel_parent, .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP24XX_EN_MCBSP2_SHIFT, - .recalc = &followparent_recalc, + .clksel_reg = OMAP242X_CTRL_REGADDR(OMAP2_CONTROL_DEVCONF0), + .clksel_mask = OMAP2_MCBSP2_CLKS_MASK, + .clksel = mcbsp_fck_clksel, + .recalc = &omap2_clksel_recalc, }; static struct clk mcspi1_ick = { @@ -1721,6 +1752,9 @@ static struct omap_clk omap2420_clks[] = { CLK(NULL, "osc_ck", &osc_ck, CK_242X), CLK(NULL, "sys_ck", &sys_ck, CK_242X), CLK(NULL, "alt_ck", &alt_ck, CK_242X), + CLK("omap-mcbsp.1", "pad_fck", &mcbsp_clks, CK_242X), + CLK("omap-mcbsp.2", "pad_fck", &mcbsp_clks, CK_242X), + CLK(NULL, "mcbsp_clks", &mcbsp_clks, CK_242X), /* internal analog sources */ CLK(NULL, "dpll_ck", &dpll_ck, CK_242X), CLK(NULL, "apll96_ck", &apll96_ck, CK_242X), @@ -1728,6 +1762,8 @@ static struct omap_clk omap2420_clks[] = { /* internal prcm root sources */ CLK(NULL, "func_54m_ck", &func_54m_ck, CK_242X), CLK(NULL, "core_ck", &core_ck, CK_242X), + CLK("omap-mcbsp.1", "prcm_fck", &func_96m_ck, CK_242X), + CLK("omap-mcbsp.2", "prcm_fck", &func_96m_ck, CK_242X), CLK(NULL, "func_96m_ck", &func_96m_ck, CK_242X), CLK(NULL, "func_48m_ck", &func_48m_ck, CK_242X), CLK(NULL, "func_12m_ck", &func_12m_ck, CK_242X),