From: Thara Gopinath Subject: [PATCH v3 3/6] OMAP4: PM: Program correct init voltages for scalable VDDs Date: Wed, 27 Oct 2010 21:46:33 +0530 Message-ID: <1288196196-15469-4-git-send-email-thara@ti.com> References: <1288196196-15469-1-git-send-email-thara@ti.com> Return-path: Received: from comal.ext.ti.com ([198.47.26.152]:36627 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757614Ab0J0QQo (ORCPT ); Wed, 27 Oct 2010 12:16:44 -0400 In-Reply-To: <1288196196-15469-1-git-send-email-thara@ti.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: linux-omap@vger.kernel.org Cc: paul@pwsan.com, khilman@deeprootsystems.com, b-cousson@ti.com, vishwanath.bs@ti.com, sawant@ti.com, Thara Gopinath By default the system boots up at nominal voltage for every voltage domain in the system. This patch puts vdd_mpu, vdd_iva and vdd_core to the correct boot up voltage as per the opp tables specified. This patch implements this by matching the rate of the main clock of the voltage domain with the opp table and picking up the correct voltage. Signed-off-by: Thara Gopinath --- arch/arm/mach-omap2/pm.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-omap2/pm.c b/arch/arm/mach-omap2/pm.c index 353e155..0651667 100644 --- a/arch/arm/mach-omap2/pm.c +++ b/arch/arm/mach-omap2/pm.c @@ -211,6 +211,10 @@ static int __init omap2_common_pm_init(void) if (cpu_is_omap34xx()) { omap2_set_init_voltage("mpu", "dpll1_ck", mpu_dev); omap2_set_init_voltage("core", "l3_ick", l3_dev); + } else if (cpu_is_omap44xx()) { + omap2_set_init_voltage("mpu", "dpll_mpu_ck", mpu_dev); + omap2_set_init_voltage("core", "l3_div_ck", l3_dev); + omap2_set_init_voltage("iva", "dpll_iva_m5x2_ck", iva_dev); } omap_pm_if_init(); -- 1.7.0.4