From: Thara Gopinath <thara@ti.com> To: linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: khilman@deeprootsystems.com, paul@pwsan.com, b-cousson@ti.com, vishwanath.bs@ti.com, sawant@ti.com, nm@ti.com, Thara Gopinath <thara@ti.com> Subject: [PATCH v5 3/5] OMAP4: PM: Program correct init voltages for scalable VDDs Date: Mon, 20 Dec 2010 22:30:35 +0530 [thread overview] Message-ID: <1292864437-15353-4-git-send-email-thara@ti.com> (raw) In-Reply-To: <1292864437-15353-1-git-send-email-thara@ti.com> 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 <thara@ti.com> --- arch/arm/mach-omap2/pm.c | 11 +++++++++++ 1 files changed, 11 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-omap2/pm.c b/arch/arm/mach-omap2/pm.c index 8d0b03b..2e80de8 100644 --- a/arch/arm/mach-omap2/pm.c +++ b/arch/arm/mach-omap2/pm.c @@ -209,6 +209,16 @@ static void __init omap3_init_voltages(void) omap2_set_init_voltage("core", "l3_ick", l3_dev); } +static void __init omap4_init_voltages(void) +{ + if (!cpu_is_omap44xx()) + return; + + 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); +} + static int __init omap2_common_pm_init(void) { omap2_init_processor_devices(); @@ -229,6 +239,7 @@ static int __init omap2_common_pm_late_init(void) /* Initialize the voltages */ omap3_init_voltages(); + omap4_init_voltages(); /* Smartreflex device init */ omap_devinit_smartreflex(); -- 1.7.0.4
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From: thara@ti.com (Thara Gopinath) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v5 3/5] OMAP4: PM: Program correct init voltages for scalable VDDs Date: Mon, 20 Dec 2010 22:30:35 +0530 [thread overview] Message-ID: <1292864437-15353-4-git-send-email-thara@ti.com> (raw) In-Reply-To: <1292864437-15353-1-git-send-email-thara@ti.com> 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 <thara@ti.com> --- arch/arm/mach-omap2/pm.c | 11 +++++++++++ 1 files changed, 11 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-omap2/pm.c b/arch/arm/mach-omap2/pm.c index 8d0b03b..2e80de8 100644 --- a/arch/arm/mach-omap2/pm.c +++ b/arch/arm/mach-omap2/pm.c @@ -209,6 +209,16 @@ static void __init omap3_init_voltages(void) omap2_set_init_voltage("core", "l3_ick", l3_dev); } +static void __init omap4_init_voltages(void) +{ + if (!cpu_is_omap44xx()) + return; + + 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); +} + static int __init omap2_common_pm_init(void) { omap2_init_processor_devices(); @@ -229,6 +239,7 @@ static int __init omap2_common_pm_late_init(void) /* Initialize the voltages */ omap3_init_voltages(); + omap4_init_voltages(); /* Smartreflex device init */ omap_devinit_smartreflex(); -- 1.7.0.4
next prev parent reply other threads:[~2010-12-20 17:00 UTC|newest] Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top 2010-12-20 17:00 [PATCH v5 0/5] OMAP4: Smartreflex and Voltage layer support Thara Gopinath 2010-12-20 17:00 ` Thara Gopinath 2010-12-20 17:00 ` [PATCH v5 1/5] OMAP4: Register voltage PMIC parameters with the voltage layer Thara Gopinath 2010-12-20 17:00 ` Thara Gopinath 2010-12-20 17:00 ` [PATCH v5 2/5] OMAP4: Adding voltage driver support Thara Gopinath 2010-12-20 17:00 ` Thara Gopinath 2010-12-28 17:32 ` Anand Sawant 2010-12-28 17:32 ` Anand Sawant 2010-12-20 17:00 ` Thara Gopinath [this message] 2010-12-20 17:00 ` [PATCH v5 3/5] OMAP4: PM: Program correct init voltages for scalable VDDs Thara Gopinath 2010-12-20 17:00 ` [PATCH v5 4/5] OMAP4: hwmod: Add inital data for smartreflex modules Thara Gopinath 2010-12-20 17:00 ` Thara Gopinath 2010-12-23 12:07 ` Cousson, Benoit 2010-12-23 12:07 ` Cousson, Benoit 2010-12-23 13:25 ` Menon, Nishanth 2010-12-23 13:25 ` Menon, Nishanth 2010-12-23 14:05 ` Cousson, Benoit 2010-12-23 14:05 ` Cousson, Benoit 2010-12-23 15:28 ` Vishwanath Sripathy 2010-12-23 15:28 ` Vishwanath Sripathy 2010-12-23 17:15 ` Kevin Hilman 2010-12-23 17:15 ` Kevin Hilman 2010-12-23 17:24 ` Nishanth Menon 2010-12-23 17:24 ` Nishanth Menon 2010-12-23 17:36 ` Vishwanath Sripathy 2010-12-23 17:36 ` Vishwanath Sripathy 2010-12-23 18:06 ` Nishanth Menon 2010-12-23 18:06 ` Nishanth Menon 2010-12-20 17:00 ` [PATCH v5 5/5] OMAP4: Smartreflex framework extensions Thara Gopinath 2010-12-20 17:00 ` Thara Gopinath
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