diff options
Diffstat (limited to 'arch/arm/plat-mxs/include/mach/power.h')
| -rw-r--r-- | arch/arm/plat-mxs/include/mach/power.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/arch/arm/plat-mxs/include/mach/power.h b/arch/arm/plat-mxs/include/mach/power.h new file mode 100644 index 000000000000..28ee9fa2696d --- /dev/null +++ b/arch/arm/plat-mxs/include/mach/power.h @@ -0,0 +1,64 @@ +/* + * Freescale MXS voltage regulator structure declarations + * + * Copyright (C) 2010 Freescale Semiconductor, Inc. + * Copyright 2008 Embedded Alley Solutions, 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 + */ +#ifndef __VOLTAGE_H +#define __VOLTAGE_H +#include <linux/completion.h> +#include <linux/regulator/driver.h> + +struct mxs_regulator { + struct regulator_desc regulator; + struct mxs_regulator *parent; + struct mxs_platform_regulator_data *rdata; + struct completion done; + + spinlock_t lock; + wait_queue_head_t wait_q; + struct notifier_block nb; + + int mode; + int cur_voltage; + int cur_current; + int next_current; +}; + + +struct mxs_platform_regulator_data { + char name[80]; + char *parent_name; + int (*reg_register)(struct mxs_regulator *sreg); + int (*set_voltage)(struct mxs_regulator *sreg, int uv); + int (*get_voltage)(struct mxs_regulator *sreg); + int (*set_current)(struct mxs_regulator *sreg, int uA); + int (*get_current)(struct mxs_regulator *sreg); + int (*enable)(struct mxs_regulator *sreg); + int (*disable)(struct mxs_regulator *sreg); + int (*is_enabled)(struct mxs_regulator *sreg); + int (*set_mode)(struct mxs_regulator *sreg, int mode); + int (*get_mode)(struct mxs_regulator *sreg); + int (*get_optimum_mode)(struct mxs_regulator *sreg, + int input_uV, int output_uV, int load_uA); + u32 control_reg; + int min_voltage; + int max_voltage; + int max_current; + struct regulation_constraints *cnstraints; +}; + +int mxs_register_regulator( + struct mxs_regulator *reg_data, int reg, + struct regulator_init_data *initdata); + +#endif /* __VOLTAGE_H */ |