diff options
Diffstat (limited to 'arch/arm/plat-mxc/include/mach/mxc_dptc.h')
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/mxc_dptc.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/arch/arm/plat-mxc/include/mach/mxc_dptc.h b/arch/arm/plat-mxc/include/mach/mxc_dptc.h new file mode 100644 index 000000000000..4eeff5d8ba72 --- /dev/null +++ b/arch/arm/plat-mxc/include/mach/mxc_dptc.h @@ -0,0 +1,111 @@ +/* + * Copyright 2008-2010 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 DPTC Dynamic Process and Temperatur Compensation (DPTC) Driver + */ + +/*! + * @file arch-mxc/mxc_dptc.h + * + * @brief This file contains the DPTC configuration structure definition. + * + * + * @ingroup DPTC + */ + +#ifndef __ASM_ARCH_MXC_DPTC_H__ +#define __ASM_ARCH_MXC_DPTC_H__ + +#ifdef __KERNEL__ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/workqueue.h> +#include <linux/device.h> + +#define DPTC_WP_SUPPORTED 17 +#define DPTC_GP_WP_SUPPORTED 7 +#define DPTC_LP_WP_SUPPORTED 9 + +struct dptc_wp { + u32 dcvr0; + u32 dcvr1; + u32 dcvr2; + u32 dcvr3; + u32 voltage; +}; + +/*! + * This structure is used to define the dptc controller's platform + * data. It includes the regulator name string and DPTC clock name string. + */ +struct mxc_dptc_data { + /** Regulator name string */ + char *reg_id; + /* DPTC clock name string */ + char *clk_id; + /* Control reg address */ + unsigned int dptccr_reg_addr; + /* Comparator value reg 0 address */ + unsigned int dcvr0_reg_addr; + /* GPC control reg address */ + unsigned int gpc_cntr_reg_addr; + /* DPTC interrupt status bit */ + unsigned int dptccr; + /* The number of DPTC working points */ + unsigned int dptc_wp_supported; + /* Maximum value of DPTC clock rate */ + unsigned long clk_max_val; + /* DPTC working points */ + struct dptc_wp *dptc_wp_allfreq; + /* DPTC enable bit */ + u32 dptc_enable_bit; + /* DPTC ADU bit */ + int gpc_adu; + /* VAI mask */ + u32 vai_mask; + /* VAI offset */ + int vai_offset; + /* Mask DPTC interrupt */ + u32 irq_mask; + /* DPTC no voltage change request bit */ + u32 dptc_nvcr_bit; + /* ARM interrrupt bit */ + u32 gpc_irq_bit; + /* dptc init config */ + u32 init_config; + /* dptc enable config */ + u32 enable_config; + /* dptc counting range mask */ + u32 dcr_mask; +}; + +/*! + * This function is called to put the DPTC in a low power state. + * + * @param id The DPTC device id. DPTC_GP_ID is for DPTC GP; + * DPTC_LP_ID is for DPTC LP + */ +void dptc_suspend(int id); +/*! + * This function is called to resume the DPTC from a low power state. + * + * @param id The DPTC device id. DPTC_GP_ID is for DPTC GP; + * DPTC_LP_ID is for DPTC LP + */ +void dptc_resume(int id); + +#endif /* __KERNEL__ */ + +#endif /* __ASM_ARCH_MXC_DPTC_H__ */ |