From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Premi, Sanjeev" Subject: RE: [PATCHv2 4/5] TEMP: OMAP3: beagle rev-c4: enable OPP6 Date: Wed, 13 Jul 2011 23:19:32 +0530 Message-ID: References: <1310565638-13140-1-git-send-email-t-kristo@ti.com> <1310565638-13140-5-git-send-email-t-kristo@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT Return-path: Received: from comal.ext.ti.com ([198.47.26.152]:49869 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964805Ab1GMRtk convert rfc822-to-8bit (ORCPT ); Wed, 13 Jul 2011 13:49:40 -0400 In-Reply-To: <1310565638-13140-5-git-send-email-t-kristo@ti.com> Content-Language: en-US Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: "Kristo, Tero" , "linux-omap@vger.kernel.org" Cc: "broonie@opensource.wolfsonmicro.com" , "Girdwood, Liam" , "Hilman, Kevin" > -----Original Message----- > From: linux-omap-owner@vger.kernel.org > [mailto:linux-omap-owner@vger.kernel.org] On Behalf Of Kristo, Tero > Sent: Wednesday, July 13, 2011 7:31 PM > To: linux-omap@vger.kernel.org > Cc: broonie@opensource.wolfsonmicro.com; Girdwood, Liam; Hilman, Kevin > Subject: [PATCHv2 4/5] TEMP: OMAP3: beagle rev-c4: enable OPP6 > > Beagleboard rev-c4 has a speed sorted OMAP3530 chip which can > run at 720MHz. > > Signed-off-by: Tero Kristo > --- > arch/arm/mach-omap2/board-omap3beagle.c | 32 > +++++++++++++++++++++++++++++++ > arch/arm/mach-omap2/opp3xxx_data.c | 4 +++ > 2 files changed, 36 insertions(+), 0 deletions(-) > > diff --git a/arch/arm/mach-omap2/board-omap3beagle.c > b/arch/arm/mach-omap2/board-omap3beagle.c > index d7ae648..5ab507d 100644 > --- a/arch/arm/mach-omap2/board-omap3beagle.c > +++ b/arch/arm/mach-omap2/board-omap3beagle.c > @@ -592,6 +592,38 @@ static void __init beagle_opp_init(void) > return; > } > > + /* Custom OPP enabled for C4 */ > + if (omap3_beagle_version == OMAP3BEAGLE_BOARD_C4) { > + struct omap_hwmod *mh = omap_hwmod_lookup("mpu"); > + struct omap_hwmod *dh = omap_hwmod_lookup("iva"); > + struct device *dev; > + > + if (!mh || !dh) { > + pr_err("%s: Aiee.. no mpu/dsp devices? %p %p\n", > + __func__, mh, dh); > + } > + /* Enable MPU 720MHz opp */ > + dev = &mh->od->pdev.dev; > + r = opp_enable(dev, 720000000); > + > + /* Enable IVA 520MHz opp */ > + dev = &dh->od->pdev.dev; > + r |= opp_enable(dev, 520000000); > + > + if (r) { > + pr_err("%s: failed to enable higher opp %d\n", > + __func__, r); > + /* > + * Cleanup - disable the higher freqs - > we dont care > + * about the results > + */ > + dev = &mh->od->pdev.dev; > + opp_disable(dev, 720000000); > + dev = &dh->od->pdev.dev; > + opp_disable(dev, 520000000); > + } > + } > + > /* Custom OPP enabled for all xM versions */ > if (cpu_is_omap3630()) { > struct omap_hwmod *mh = omap_hwmod_lookup("mpu"); > diff --git a/arch/arm/mach-omap2/opp3xxx_data.c > b/arch/arm/mach-omap2/opp3xxx_data.c > index d95f3f9..a0f5fe1 100644 > --- a/arch/arm/mach-omap2/opp3xxx_data.c > +++ b/arch/arm/mach-omap2/opp3xxx_data.c > @@ -98,6 +98,8 @@ static struct omap_opp_def __initdata > omap34xx_opp_def_list[] = { > OPP_INITIALIZER("mpu", true, 550000000, > OMAP3430_VDD_MPU_OPP4_UV), > /* MPU OPP5 */ > OPP_INITIALIZER("mpu", true, 600000000, > OMAP3430_VDD_MPU_OPP5_UV), > + /* MPU OPP6 : omap3530 high speed grade only */ > + OPP_INITIALIZER("mpu", false, 720000000, > OMAP3430_VDD_MPU_OPP5_UV), > > /* > * L3 OPP1 - 41.5 MHz is disabled because: The voltage > for that OPP is > @@ -123,6 +125,8 @@ static struct omap_opp_def __initdata > omap34xx_opp_def_list[] = { > OPP_INITIALIZER("iva", true, 400000000, > OMAP3430_VDD_MPU_OPP4_UV), > /* DSP OPP5 */ > OPP_INITIALIZER("iva", true, 430000000, > OMAP3430_VDD_MPU_OPP5_UV), > + /* DSP OPP6 : omap3530 high speed grade only */ > + OPP_INITIALIZER("iva", false, 520000000, > OMAP3430_VDD_MPU_OPP5_UV), > }; > > static struct omap_opp_def __initdata omap36xx_opp_def_list[] = { [sp] Basic support for 720MHz was already closed early this year. See: http://marc.info/?l=linux-omap&m=129735630928696&w=2 I cannot check the current tree status right now; but I assume the patch should already be in. ~sanjeev > -- > 1.7.4.1 > > > Texas Instruments Oy, Tekniikantie 12, 02150 Espoo. Y-tunnus: > 0115040-6. Kotipaikka: Helsinki > > > -- > 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 >