From patchwork Wed Feb 23 17:58:32 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sanjeev Premi X-Patchwork-Id: 585481 X-Patchwork-Delegate: khilman@deeprootsystems.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id p1NHwjti010131 for ; Wed, 23 Feb 2011 17:58:46 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932347Ab1BWR6p (ORCPT ); Wed, 23 Feb 2011 12:58:45 -0500 Received: from comal.ext.ti.com ([198.47.26.152]:46018 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932304Ab1BWR6o (ORCPT ); Wed, 23 Feb 2011 12:58:44 -0500 Received: from dbdp31.itg.ti.com ([172.24.170.98]) by comal.ext.ti.com (8.13.7/8.13.7) with ESMTP id p1NHwfxY004046 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Wed, 23 Feb 2011 11:58:43 -0600 Received: from psplinux050.india.ti.com (localhost [127.0.0.1]) by dbdp31.itg.ti.com (8.13.8/8.13.8) with ESMTP id p1NHwbW4012022; Wed, 23 Feb 2011 23:28:40 +0530 (IST) From: Sanjeev Premi To: linux-omap@vger.kernel.org Cc: Sanjeev Premi Subject: [RFC 2/3] am35xx: voltage: Add basic initialization Date: Wed, 23 Feb 2011 23:28:32 +0530 Message-Id: <1298483913-20344-3-git-send-email-premi@ti.com> X-Mailer: git-send-email 1.7.2.2 In-Reply-To: <1298483913-20344-1-git-send-email-premi@ti.com> References: <1298483913-20344-1-git-send-email-premi@ti.com> Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Wed, 23 Feb 2011 17:58:46 +0000 (UTC) diff --git a/arch/arm/mach-omap2/voltage.c b/arch/arm/mach-omap2/voltage.c index bbc36e7..63dac11 100644 --- a/arch/arm/mach-omap2/voltage.c +++ b/arch/arm/mach-omap2/voltage.c @@ -194,6 +194,30 @@ static struct omap_vdd_info omap3_vdd_info[] = { #define OMAP3_NR_SCALABLE_VDD ARRAY_SIZE(omap3_vdd_info) +/* + * AM3517 VDD structures + * TODO: The values in vp_offs are just a copy of OMAP3 for now. + * Assignments need to be looked again; but appears that + * they won't ever be used. + */ +static struct omap_vdd_info am3517_vdd_info[] = { + { + .vp_offs = { + .vpconfig = OMAP3_PRM_VP1_CONFIG_OFFSET, + .vstepmin = OMAP3_PRM_VP1_VSTEPMIN_OFFSET, + .vstepmax = OMAP3_PRM_VP1_VSTEPMAX_OFFSET, + .vlimitto = OMAP3_PRM_VP1_VLIMITTO_OFFSET, + .vstatus = OMAP3_PRM_VP1_STATUS_OFFSET, + .voltage = OMAP3_PRM_VP1_VOLTAGE_OFFSET, + }, + .voltdm = { + .name = "mpu", + }, + }, +}; + +#define AM3517_NR_SCALABLE_VDD 0 + /* OMAP4 VDD sturctures */ static struct omap_vdd_info omap4_vdd_info[] = { { @@ -1551,11 +1575,30 @@ int __init omap_voltage_late_init(void) } /** + * AM35xx - dummy initialization of voltage controller + */ +static void __init am3517_vc_init(struct omap_vdd_info *vdd) +{ +} +/** + * AM35xx - dummy initialization of voltage processor + */ +static void __init am3517_vp_init(struct omap_vdd_info *vdd) +{ +} + +/** * omap_voltage_early_init()- Volatage driver early init */ static int __init omap_voltage_early_init(void) { - if (cpu_is_omap34xx()) { + if (cpu_is_omap3505() || cpu_is_omap3517()) { + vdd_info = am3517_vdd_info; + nr_scalable_vdd = AM3517_NR_SCALABLE_VDD; + vc_init = am3517_vc_init; + vp_init = am3517_vp_init; + vdd_data_configure = omap3_vdd_data_configure; + } else if (cpu_is_omap34xx()) { vdd_info = omap3_vdd_info; nr_scalable_vdd = OMAP3_NR_SCALABLE_VDD; vc_init = omap3_vc_init;