Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756214Ab3HAO7F (ORCPT ); Thu, 1 Aug 2013 10:59:05 -0400 Received: from bear.ext.ti.com ([192.94.94.41]:44638 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755674Ab3HAO7C (ORCPT ); Thu, 1 Aug 2013 10:59:02 -0400 From: Roger Quadros To: , CC: , , , , , , , , , Roger Quadros Subject: [PATCH 1/4] CLK: ti: dra7: Initialize USB_DPLL Date: Thu, 1 Aug 2013 17:58:51 +0300 Message-ID: <1375369134-26398-2-git-send-email-rogerq@ti.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1375369134-26398-1-git-send-email-rogerq@ti.com> References: <1375369134-26398-1-git-send-email-rogerq@ti.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1387 Lines: 46 USB_DPLL must be initialized and locked at boot so that USB modules can work. Also program USB_DLL_M2 output to half rate. Signed-off-by: Roger Quadros --- drivers/clk/omap/clk-7xx.c | 11 +++++++++++ 1 files changed, 11 insertions(+), 0 deletions(-) diff --git a/drivers/clk/omap/clk-7xx.c b/drivers/clk/omap/clk-7xx.c index ddb39dd..f444513 100644 --- a/drivers/clk/omap/clk-7xx.c +++ b/drivers/clk/omap/clk-7xx.c @@ -19,6 +19,7 @@ #define DRA7_DPLL_ABE_DEFFREQ 361267200 #define DRA7_DPLL_GMAC_DEFFREQ 1000000000 +#define DRA7_DPLL_USB_DEFFREQ 960000000 static struct omap_dt_clk dra7xx_clks[] = { @@ -63,5 +64,15 @@ int __init dra7xx_clk_init(void) if (rc) pr_err("%s: failed to configure GMAC DPLL!\n", __func__); + dpll_ck = clk_get_sys(NULL, "dpll_usb_ck"); + rc = clk_set_rate(dpll_ck, DRA7_DPLL_USB_DEFFREQ); + if (rc) + pr_err("%s: failed to configure USB DPLL!\n", __func__); + + dpll_ck = clk_get_sys(NULL, "dpll_usb_m2_ck"); + rc = clk_set_rate(dpll_ck, DRA7_DPLL_USB_DEFFREQ/2); + if (rc) + pr_err("%s: failed to set USB_DPLL M2 OUT\n", __func__); + return rc; } -- 1.7.4.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/