diff options
Diffstat (limited to 'meta/recipes-kernel/linux/linux-omap2-git/beagleboard/omap3-dppl-divider.patch')
| -rw-r--r-- | meta/recipes-kernel/linux/linux-omap2-git/beagleboard/omap3-dppl-divider.patch | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/meta/recipes-kernel/linux/linux-omap2-git/beagleboard/omap3-dppl-divider.patch b/meta/recipes-kernel/linux/linux-omap2-git/beagleboard/omap3-dppl-divider.patch new file mode 100644 index 0000000000..25e5aad9c9 --- /dev/null +++ b/meta/recipes-kernel/linux/linux-omap2-git/beagleboard/omap3-dppl-divider.patch @@ -0,0 +1,114 @@ +From linux-omap-owner@vger.kernel.org Tue Jun 24 09:24:30 2008 +Received: from localhost + ([127.0.0.1] helo=dominion ident=koen) + by dominion.dominion.void with esmtp (Exim 4.63) + (envelope-from <linux-omap-owner@vger.kernel.org>) + id 1KB2tB-0005XT-FQ + for koen@localhost; Tue, 24 Jun 2008 09:24:30 +0200 +Received: from xs.service.utwente.nl [130.89.5.250] + by dominion with POP3 (fetchmail-6.3.6) + for <koen@localhost> (single-drop); Tue, 24 Jun 2008 09:24:29 +0200 (CEST) +Received: from mail.service.utwente.nl ([130.89.5.254]) by exchange.service.utwente.nl with Microsoft SMTPSVC(6.0.3790.3959); + Tue, 24 Jun 2008 09:13:04 +0200 +Received: from mx.utwente.nl ([130.89.2.13]) by mail.service.utwente.nl with Microsoft SMTPSVC(6.0.3790.3959); + Tue, 24 Jun 2008 09:13:03 +0200 +Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) + by mx.utwente.nl (8.12.10/SuSE Linux 0.7) with ESMTP id m5O7CcD7008917 + for <k.kooi@student.utwente.nl>; Tue, 24 Jun 2008 09:12:38 +0200 +Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand + id S1751623AbYFXHMh (ORCPT <rfc822;k.kooi@student.utwente.nl>); + Tue, 24 Jun 2008 03:12:37 -0400 +Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751670AbYFXHMh + (ORCPT <rfc822;linux-omap-outgoing>); + Tue, 24 Jun 2008 03:12:37 -0400 +Received: from utopia.booyaka.com ([72.9.107.138]:47392 "EHLO + utopia.booyaka.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org + with ESMTP id S1751623AbYFXHMg (ORCPT + <rfc822;linux-omap@vger.kernel.org>); Tue, 24 Jun 2008 03:12:36 -0400 +Received: (qmail 1797 invoked by uid 526); 24 Jun 2008 07:12:35 -0000 +Date: Tue, 24 Jun 2008 01:12:35 -0600 (MDT) +From: Paul Walmsley <paul@pwsan.com> +To: linux-omap@vger.kernel.org +Subject: [PATCH] OMAP3 clock: DPLL{1,2}_FCLK clksel can divide by 4 +Message-ID: <alpine.DEB.1.00.0806240111320.9741@utopia.booyaka.com> +User-Agent: Alpine 1.00 (DEB 882 2007-12-20) +MIME-Version: 1.0 +Content-Type: TEXT/PLAIN; charset=US-ASCII +Sender: linux-omap-owner@vger.kernel.org +Precedence: bulk +List-ID: <linux-omap.vger.kernel.org> +X-Mailing-List: linux-omap@vger.kernel.org +X-UTwente-MailScanner-Information: Scanned by MailScanner. Contact servicedesk@icts.utwente.nl for more information. +X-UTwente-MailScanner: Found to be clean +X-UTwente-MailScanner-From: linux-omap-owner@vger.kernel.org +X-Spam-Status: No +X-OriginalArrivalTime: 24 Jun 2008 07:13:04.0264 (UTC) FILETIME=[BE950880:01C8D5C9] + + +OMAP34xx ES2 TRM Delta G to H states that the divider for DPLL1_FCLK and +DPLL2_FCLK can divide by 4 in addition to dividing by 1 and 2. Encode this +into the OMAP3 clock framework. + +Signed-off-by: Paul Walmsley <paul@pwsan.com> +--- + + arch/arm/mach-omap2/clock34xx.h | 20 ++++++++++++++++---- + 1 files changed, 16 insertions(+), 4 deletions(-) + +diff --git a/arch/arm/mach-omap2/clock34xx.h b/arch/arm/mach-omap2/clock34xx.h +index b4dceea..9605744 100644 +--- a/arch/arm/mach-omap2/clock34xx.h ++++ b/arch/arm/mach-omap2/clock34xx.h +@@ -1029,8 +1029,15 @@ static struct clk corex2_fck = { + + /* DPLL power domain clock controls */ + +-static const struct clksel div2_core_clksel[] = { +- { .parent = &core_ck, .rates = div2_rates }, ++static const struct clksel_rate div4_rates[] = { ++ { .div = 1, .val = 1, .flags = RATE_IN_343X | DEFAULT_RATE }, ++ { .div = 2, .val = 2, .flags = RATE_IN_343X }, ++ { .div = 4, .val = 4, .flags = RATE_IN_343X }, ++ { .div = 0 } ++}; ++ ++static const struct clksel div4_core_clksel[] = { ++ { .parent = &core_ck, .rates = div4_rates }, + { .parent = NULL } + }; + +@@ -1044,7 +1051,7 @@ static struct clk dpll1_fck = { + .init = &omap2_init_clksel_parent, + .clksel_reg = _OMAP34XX_CM_REGADDR(MPU_MOD, OMAP3430_CM_CLKSEL1_PLL), + .clksel_mask = OMAP3430_MPU_CLK_SRC_MASK, +- .clksel = div2_core_clksel, ++ .clksel = div4_core_clksel, + .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | + PARENT_CONTROLS_CLOCK, + .recalc = &omap2_clksel_recalc, +@@ -1119,7 +1126,7 @@ static struct clk dpll2_fck = { + .init = &omap2_init_clksel_parent, + .clksel_reg = _OMAP34XX_CM_REGADDR(OMAP3430_IVA2_MOD, OMAP3430_CM_CLKSEL1_PLL), + .clksel_mask = OMAP3430_IVA2_CLK_SRC_MASK, +- .clksel = div2_core_clksel, ++ .clksel = div4_core_clksel, + .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | + PARENT_CONTROLS_CLOCK, + .recalc = &omap2_clksel_recalc, +@@ -1155,6 +1162,11 @@ static struct clk iva2_ck = { + + /* Common interface clocks */ + ++static const struct clksel div2_core_clksel[] = { ++ { .parent = &core_ck, .rates = div2_rates }, ++ { .parent = NULL } ++}; ++ + static struct clk l3_ick = { + .name = "l3_ick", + .parent = &core_ck, +-- +To unsubscribe from this list: send the line "unsubscribe linux-omap" in +the body of a message to majordomo@vger.kernel.org +More majordomo info at http://vger.kernel.org/majordomo-info.html + |