diff options
Diffstat (limited to 'arch/arm/plat-mxc/include/mach/mxc_gpc.h')
-rw-r--r-- | arch/arm/plat-mxc/include/mach/mxc_gpc.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/arch/arm/plat-mxc/include/mach/mxc_gpc.h b/arch/arm/plat-mxc/include/mach/mxc_gpc.h new file mode 100644 index 000000000000..8581fcc0da28 --- /dev/null +++ b/arch/arm/plat-mxc/include/mach/mxc_gpc.h @@ -0,0 +1,74 @@ + +/* + * Copyright 2004-2010 Freescale Semiconductor, Inc. All Rights Reserved. + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +/*! + * @defgroup LPMD Low-Level Power Management Driver + */ + +/*! + * @file arch-mxc/mxc_gpc.h + * + * @brief This file contains the chip level configuration details and + * public API declarations for GPC module + * + * @ingroup LPMD + */ + +#ifndef __ASM_ARCH_MXC_GPC_H__ +#define __ASM_ARCH_MXC_GPC_H__ + +/* AP Power Gating modules */ +typedef enum { + POWER_GATING_MODULE_AP_EMBEDDED_MEM_DEEPSLEEP, + POWER_GATING_MODULE_DISPLAY_BUFFER, + POWER_GATING_MODULE_EMI_DEEPSLEEP, + POWER_GATING_MODULE_IPU_STOP, + POWER_GATING_MODULE_L2_MEM_STOP, + POWER_GATING_MODULE_ARM_PLATFORM_STOP, +} mxc_pm_ap_power_gating_modules_t; + +/* AP Power Gating pull-down config of modules */ +typedef enum { + POWER_GATING_PULL_DOWN_DISPLAY_BUFFER, + POWER_GATING_PULL_DOWN_EMI, + POWER_GATING_PULL_DOWN_IPU, + POWER_GATING_PULL_DOWN_L2_MEM, + POWER_GATING_PULL_DOWN_ARMPLATFORM, +} mxc_pm_ap_power_gating_pulldown_t; + +/*! + * This function enables/disables the AP power gating by writing the APPCR + * register of the GPC module. + * + * @param enable Enable/Disable module power down + * 0 - disable; 1 - enable + * @param modules The desired module to be power gated + * + */ +void mxc_gpc_powergate_module(int enable, + mxc_pm_ap_power_gating_modules_t module); + +/*! + * This function enables/disables the AP power gating pull down selection of a + * module by writing the APPCR register of the GPC module. + * + * @param enable Enable/Disable module pull down + * 0 - disable; 1 - enable + * @param modules The desired module to be pulled down + * + */ +void mxc_gpc_powergate_pulldown(int enable, + mxc_pm_ap_power_gating_pulldown_t pulldown); + +#endif |