From mboxrd@z Thu Jan 1 00:00:00 1970 From: Abhilash K V Subject: [PATCH v3 1/3] AM35x: voltage: Basic initialization Date: Thu, 22 Sep 2011 18:59:13 +0530 Message-ID: <1316698155-954-2-git-send-email-abhilash.kv@ti.com> References: <1316698155-954-1-git-send-email-abhilash.kv@ti.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1316698155-954-1-git-send-email-abhilash.kv@ti.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: tony@atomide.com, linux@arm.linux.org.uk, khilman@ti.com, sameo@linux.intel.com, santosh.shilimkar@ti.com, premi@ti.com, david.woodhouse@intel.com, christian.gmeiner@gmail.com, Abhilash K V List-Id: linux-omap@vger.kernel.org This patch adds the basic initialization of voltage layer for AM35x. Since AM35x doesn't support voltage scaling, Many functions have been defined to plug into existing voltage layer. Signed-off-by: Sanjeev Premi Signed-off-by: Abhilash K V --- arch/arm/mach-omap2/omap_opp_data.h | 1 + arch/arm/mach-omap2/opp3xxx_data.c | 9 +++++++++ arch/arm/mach-omap2/voltagedomains3xxx_data.c | 10 ++++++++-- 3 files changed, 18 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-omap2/omap_opp_data.h b/arch/arm/mach-omap2/omap_opp_data.h index c784c12..c7cedf3 100644 --- a/arch/arm/mach-omap2/omap_opp_data.h +++ b/arch/arm/mach-omap2/omap_opp_data.h @@ -88,6 +88,7 @@ extern struct omap_volt_data omap34xx_vddmpu_volt_data[]; extern struct omap_volt_data omap34xx_vddcore_volt_data[]; extern struct omap_volt_data omap36xx_vddmpu_volt_data[]; extern struct omap_volt_data omap36xx_vddcore_volt_data[]; +extern struct omap_volt_data am35xx_vdd_volt_data[]; extern struct omap_volt_data omap44xx_vdd_mpu_volt_data[]; extern struct omap_volt_data omap44xx_vdd_iva_volt_data[]; diff --git a/arch/arm/mach-omap2/opp3xxx_data.c b/arch/arm/mach-omap2/opp3xxx_data.c index d95f3f9..e4a5ee6 100644 --- a/arch/arm/mach-omap2/opp3xxx_data.c +++ b/arch/arm/mach-omap2/opp3xxx_data.c @@ -85,6 +85,15 @@ struct omap_volt_data omap36xx_vddcore_volt_data[] = { VOLT_DATA_DEFINE(0, 0, 0, 0), }; +/* AM35x + * + * Fields related to SmartReflex and Voltage Processor are set to 0. + */ +struct omap_volt_data am35xx_vdd_volt_data[] = { + VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP3_UV, 0x0, 0x0, 0x0), + VOLT_DATA_DEFINE(0, 0, 0, 0), +}; + /* OPP data */ static struct omap_opp_def __initdata omap34xx_opp_def_list[] = { diff --git a/arch/arm/mach-omap2/voltagedomains3xxx_data.c b/arch/arm/mach-omap2/voltagedomains3xxx_data.c index 071101d..530082f 100644 --- a/arch/arm/mach-omap2/voltagedomains3xxx_data.c +++ b/arch/arm/mach-omap2/voltagedomains3xxx_data.c @@ -85,7 +85,10 @@ void __init omap3xxx_voltagedomains_init(void) * XXX Will depend on the process, validation, and binning * for the currently-running IC */ - if (cpu_is_omap3630()) { + if (cpu_is_omap3505() || cpu_is_omap3517()) { + omap3_voltdm_mpu.volt_data = am35xx_vdd_volt_data; + omap3_voltdm_core.volt_data = am35xx_vdd_volt_data; + } else if (cpu_is_omap3630()) { omap3_voltdm_mpu.volt_data = omap36xx_vddmpu_volt_data; omap3_voltdm_core.volt_data = omap36xx_vddcore_volt_data; } else { @@ -93,8 +96,11 @@ void __init omap3xxx_voltagedomains_init(void) omap3_voltdm_core.volt_data = omap34xx_vddcore_volt_data; } - for (i = 0; voltdm = voltagedomains_omap3[i], voltdm; i++) + for (i = 0; voltdm = voltagedomains_omap3[i], voltdm; i++) { + if (cpu_is_omap3505() || cpu_is_omap3517()) + voltdm->scalable = false; voltdm->sys_clk.name = sys_clk_name; + } voltdm_init(voltagedomains_omap3); }; -- 1.7.1 From mboxrd@z Thu Jan 1 00:00:00 1970 From: abhilash.kv@ti.com (Abhilash K V) Date: Thu, 22 Sep 2011 18:59:13 +0530 Subject: [PATCH v3 1/3] AM35x: voltage: Basic initialization In-Reply-To: <1316698155-954-1-git-send-email-abhilash.kv@ti.com> References: <1316698155-954-1-git-send-email-abhilash.kv@ti.com> Message-ID: <1316698155-954-2-git-send-email-abhilash.kv@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org This patch adds the basic initialization of voltage layer for AM35x. Since AM35x doesn't support voltage scaling, Many functions have been defined to plug into existing voltage layer. Signed-off-by: Sanjeev Premi Signed-off-by: Abhilash K V --- arch/arm/mach-omap2/omap_opp_data.h | 1 + arch/arm/mach-omap2/opp3xxx_data.c | 9 +++++++++ arch/arm/mach-omap2/voltagedomains3xxx_data.c | 10 ++++++++-- 3 files changed, 18 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-omap2/omap_opp_data.h b/arch/arm/mach-omap2/omap_opp_data.h index c784c12..c7cedf3 100644 --- a/arch/arm/mach-omap2/omap_opp_data.h +++ b/arch/arm/mach-omap2/omap_opp_data.h @@ -88,6 +88,7 @@ extern struct omap_volt_data omap34xx_vddmpu_volt_data[]; extern struct omap_volt_data omap34xx_vddcore_volt_data[]; extern struct omap_volt_data omap36xx_vddmpu_volt_data[]; extern struct omap_volt_data omap36xx_vddcore_volt_data[]; +extern struct omap_volt_data am35xx_vdd_volt_data[]; extern struct omap_volt_data omap44xx_vdd_mpu_volt_data[]; extern struct omap_volt_data omap44xx_vdd_iva_volt_data[]; diff --git a/arch/arm/mach-omap2/opp3xxx_data.c b/arch/arm/mach-omap2/opp3xxx_data.c index d95f3f9..e4a5ee6 100644 --- a/arch/arm/mach-omap2/opp3xxx_data.c +++ b/arch/arm/mach-omap2/opp3xxx_data.c @@ -85,6 +85,15 @@ struct omap_volt_data omap36xx_vddcore_volt_data[] = { VOLT_DATA_DEFINE(0, 0, 0, 0), }; +/* AM35x + * + * Fields related to SmartReflex and Voltage Processor are set to 0. + */ +struct omap_volt_data am35xx_vdd_volt_data[] = { + VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP3_UV, 0x0, 0x0, 0x0), + VOLT_DATA_DEFINE(0, 0, 0, 0), +}; + /* OPP data */ static struct omap_opp_def __initdata omap34xx_opp_def_list[] = { diff --git a/arch/arm/mach-omap2/voltagedomains3xxx_data.c b/arch/arm/mach-omap2/voltagedomains3xxx_data.c index 071101d..530082f 100644 --- a/arch/arm/mach-omap2/voltagedomains3xxx_data.c +++ b/arch/arm/mach-omap2/voltagedomains3xxx_data.c @@ -85,7 +85,10 @@ void __init omap3xxx_voltagedomains_init(void) * XXX Will depend on the process, validation, and binning * for the currently-running IC */ - if (cpu_is_omap3630()) { + if (cpu_is_omap3505() || cpu_is_omap3517()) { + omap3_voltdm_mpu.volt_data = am35xx_vdd_volt_data; + omap3_voltdm_core.volt_data = am35xx_vdd_volt_data; + } else if (cpu_is_omap3630()) { omap3_voltdm_mpu.volt_data = omap36xx_vddmpu_volt_data; omap3_voltdm_core.volt_data = omap36xx_vddcore_volt_data; } else { @@ -93,8 +96,11 @@ void __init omap3xxx_voltagedomains_init(void) omap3_voltdm_core.volt_data = omap34xx_vddcore_volt_data; } - for (i = 0; voltdm = voltagedomains_omap3[i], voltdm; i++) + for (i = 0; voltdm = voltagedomains_omap3[i], voltdm; i++) { + if (cpu_is_omap3505() || cpu_is_omap3517()) + voltdm->scalable = false; voltdm->sys_clk.name = sys_clk_name; + } voltdm_init(voltagedomains_omap3); }; -- 1.7.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752775Ab1IVN3s (ORCPT ); Thu, 22 Sep 2011 09:29:48 -0400 Received: from devils.ext.ti.com ([198.47.26.153]:48216 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751144Ab1IVN3m (ORCPT ); Thu, 22 Sep 2011 09:29:42 -0400 From: Abhilash K V To: , , CC: , , , , , , , , Abhilash K V Subject: [PATCH v3 1/3] AM35x: voltage: Basic initialization Date: Thu, 22 Sep 2011 18:59:13 +0530 Message-ID: <1316698155-954-2-git-send-email-abhilash.kv@ti.com> X-Mailer: git-send-email 1.6.2.4 In-Reply-To: <1316698155-954-1-git-send-email-abhilash.kv@ti.com> References: <1316698155-954-1-git-send-email-abhilash.kv@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 This patch adds the basic initialization of voltage layer for AM35x. Since AM35x doesn't support voltage scaling, Many functions have been defined to plug into existing voltage layer. Signed-off-by: Sanjeev Premi Signed-off-by: Abhilash K V --- arch/arm/mach-omap2/omap_opp_data.h | 1 + arch/arm/mach-omap2/opp3xxx_data.c | 9 +++++++++ arch/arm/mach-omap2/voltagedomains3xxx_data.c | 10 ++++++++-- 3 files changed, 18 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-omap2/omap_opp_data.h b/arch/arm/mach-omap2/omap_opp_data.h index c784c12..c7cedf3 100644 --- a/arch/arm/mach-omap2/omap_opp_data.h +++ b/arch/arm/mach-omap2/omap_opp_data.h @@ -88,6 +88,7 @@ extern struct omap_volt_data omap34xx_vddmpu_volt_data[]; extern struct omap_volt_data omap34xx_vddcore_volt_data[]; extern struct omap_volt_data omap36xx_vddmpu_volt_data[]; extern struct omap_volt_data omap36xx_vddcore_volt_data[]; +extern struct omap_volt_data am35xx_vdd_volt_data[]; extern struct omap_volt_data omap44xx_vdd_mpu_volt_data[]; extern struct omap_volt_data omap44xx_vdd_iva_volt_data[]; diff --git a/arch/arm/mach-omap2/opp3xxx_data.c b/arch/arm/mach-omap2/opp3xxx_data.c index d95f3f9..e4a5ee6 100644 --- a/arch/arm/mach-omap2/opp3xxx_data.c +++ b/arch/arm/mach-omap2/opp3xxx_data.c @@ -85,6 +85,15 @@ struct omap_volt_data omap36xx_vddcore_volt_data[] = { VOLT_DATA_DEFINE(0, 0, 0, 0), }; +/* AM35x + * + * Fields related to SmartReflex and Voltage Processor are set to 0. + */ +struct omap_volt_data am35xx_vdd_volt_data[] = { + VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP3_UV, 0x0, 0x0, 0x0), + VOLT_DATA_DEFINE(0, 0, 0, 0), +}; + /* OPP data */ static struct omap_opp_def __initdata omap34xx_opp_def_list[] = { diff --git a/arch/arm/mach-omap2/voltagedomains3xxx_data.c b/arch/arm/mach-omap2/voltagedomains3xxx_data.c index 071101d..530082f 100644 --- a/arch/arm/mach-omap2/voltagedomains3xxx_data.c +++ b/arch/arm/mach-omap2/voltagedomains3xxx_data.c @@ -85,7 +85,10 @@ void __init omap3xxx_voltagedomains_init(void) * XXX Will depend on the process, validation, and binning * for the currently-running IC */ - if (cpu_is_omap3630()) { + if (cpu_is_omap3505() || cpu_is_omap3517()) { + omap3_voltdm_mpu.volt_data = am35xx_vdd_volt_data; + omap3_voltdm_core.volt_data = am35xx_vdd_volt_data; + } else if (cpu_is_omap3630()) { omap3_voltdm_mpu.volt_data = omap36xx_vddmpu_volt_data; omap3_voltdm_core.volt_data = omap36xx_vddcore_volt_data; } else { @@ -93,8 +96,11 @@ void __init omap3xxx_voltagedomains_init(void) omap3_voltdm_core.volt_data = omap34xx_vddcore_volt_data; } - for (i = 0; voltdm = voltagedomains_omap3[i], voltdm; i++) + for (i = 0; voltdm = voltagedomains_omap3[i], voltdm; i++) { + if (cpu_is_omap3505() || cpu_is_omap3517()) + voltdm->scalable = false; voltdm->sys_clk.name = sys_clk_name; + } voltdm_init(voltagedomains_omap3); }; -- 1.7.1