diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mfd/max17135.h | 220 | ||||
| -rw-r--r-- | include/linux/pmic_status.h | 82 |
2 files changed, 302 insertions, 0 deletions
diff --git a/include/linux/mfd/max17135.h b/include/linux/mfd/max17135.h new file mode 100644 index 000000000000..e3b8777c8630 --- /dev/null +++ b/include/linux/mfd/max17135.h @@ -0,0 +1,220 @@ +/* + * Copyright (C) 2010-2015 Freescale Semiconductor, Inc. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ +#ifndef __LINUX_REGULATOR_MAX17135_H_ +#define __LINUX_REGULATOR_MAX17135_H_ + +/* + * PMIC Register Addresses + */ +enum { + REG_MAX17135_EXT_TEMP = 0x0, + REG_MAX17135_CONFIG, + REG_MAX17135_INT_TEMP = 0x4, + REG_MAX17135_STATUS, + REG_MAX17135_PRODUCT_REV, + REG_MAX17135_PRODUCT_ID, + REG_MAX17135_DVR, + REG_MAX17135_ENABLE, + REG_MAX17135_FAULT, /*0x0A*/ + REG_MAX17135_HVINP, + REG_MAX17135_PRGM_CTRL, + REG_MAX17135_TIMING1 = 0x10, /* Timing regs base address is 0x10 */ + REG_MAX17135_TIMING2, + REG_MAX17135_TIMING3, + REG_MAX17135_TIMING4, + REG_MAX17135_TIMING5, + REG_MAX17135_TIMING6, + REG_MAX17135_TIMING7, + REG_MAX17135_TIMING8, +}; +#define MAX17135_REG_NUM 21 +#define MAX17135_MAX_REGISTER 0xFF + +/* + * Bitfield macros that use rely on bitfield width/shift information. + */ +#define BITFMASK(field) (((1U << (field ## _WID)) - 1) << (field ## _LSH)) +#define BITFVAL(field, val) ((val) << (field ## _LSH)) +#define BITFEXT(var, bit) ((var & BITFMASK(bit)) >> (bit ## _LSH)) + +/* + * Shift and width values for each register bitfield + */ +#define EXT_TEMP_LSH 7 +#define EXT_TEMP_WID 9 + +#define THERMAL_SHUTDOWN_LSH 0 +#define THERMAL_SHUTDOWN_WID 1 + +#define INT_TEMP_LSH 7 +#define INT_TEMP_WID 9 + +#define STAT_BUSY_LSH 0 +#define STAT_BUSY_WID 1 +#define STAT_OPEN_LSH 1 +#define STAT_OPEN_WID 1 +#define STAT_SHRT_LSH 2 +#define STAT_SHRT_WID 1 + +#define PROD_REV_LSH 0 +#define PROD_REV_WID 8 + +#define PROD_ID_LSH 0 +#define PROD_ID_WID 8 + +#define DVR_LSH 0 +#define DVR_WID 8 + +#define ENABLE_LSH 0 +#define ENABLE_WID 1 +#define VCOM_ENABLE_LSH 1 +#define VCOM_ENABLE_WID 1 + +#define FAULT_FBPG_LSH 0 +#define FAULT_FBPG_WID 1 +#define FAULT_HVINP_LSH 1 +#define FAULT_HVINP_WID 1 +#define FAULT_HVINN_LSH 2 +#define FAULT_HVINN_WID 1 +#define FAULT_FBNG_LSH 3 +#define FAULT_FBNG_WID 1 +#define FAULT_HVINPSC_LSH 4 +#define FAULT_HVINPSC_WID 1 +#define FAULT_HVINNSC_LSH 5 +#define FAULT_HVINNSC_WID 1 +#define FAULT_OT_LSH 6 +#define FAULT_OT_WID 1 +#define FAULT_POK_LSH 7 +#define FAULT_POK_WID 1 + +#define HVINP_LSH 0 +#define HVINP_WID 4 + +#define CTRL_DVR_LSH 0 +#define CTRL_DVR_WID 1 +#define CTRL_TIMING_LSH 1 +#define CTRL_TIMING_WID 1 + +#define TIMING1_LSH 0 +#define TIMING1_WID 8 +#define TIMING2_LSH 0 +#define TIMING2_WID 8 +#define TIMING3_LSH 0 +#define TIMING3_WID 8 +#define TIMING4_LSH 0 +#define TIMING4_WID 8 +#define TIMING5_LSH 0 +#define TIMING5_WID 8 +#define TIMING6_LSH 0 +#define TIMING6_WID 8 +#define TIMING7_LSH 0 +#define TIMING7_WID 8 +#define TIMING8_LSH 0 +#define TIMING8_WID 8 + +struct max17135 { + /* chip revision */ + int rev; + + struct device *dev; + struct max17135_platform_data *pdata; + + /* Platform connection */ + struct i2c_client *i2c_client; + + /* Timings */ + unsigned int gvee_pwrup; + unsigned int vneg_pwrup; + unsigned int vpos_pwrup; + unsigned int gvdd_pwrup; + unsigned int gvdd_pwrdn; + unsigned int vpos_pwrdn; + unsigned int vneg_pwrdn; + unsigned int gvee_pwrdn; + + /* GPIOs */ + int gpio_pmic_pwrgood; + int gpio_pmic_vcom_ctrl; + int gpio_pmic_wakeup; + int gpio_pmic_v3p3; + int gpio_pmic_intr; + + /* MAX17135 part variables */ + int pass_num; + int vcom_uV; + + /* One-time VCOM setup marker */ + bool vcom_setup; + + /* powerup/powerdown wait time */ + int max_wait; +}; + +enum { + /* In alphabetical order */ + MAX17135_DISPLAY, /* virtual master enable */ + MAX17135_GVDD, + MAX17135_GVEE, + MAX17135_HVINN, + MAX17135_HVINP, + MAX17135_VCOM, + MAX17135_VNEG, + MAX17135_VPOS, + MAX17135_V3P3, + MAX17135_NUM_REGULATORS, +}; + +/* + * Declarations + */ +struct regulator_init_data; +struct max17135_regulator_data; + +struct max17135_platform_data { + unsigned int gvee_pwrup; + unsigned int vneg_pwrup; + unsigned int vpos_pwrup; + unsigned int gvdd_pwrup; + unsigned int gvdd_pwrdn; + unsigned int vpos_pwrdn; + unsigned int vneg_pwrdn; + unsigned int gvee_pwrdn; + int gpio_pmic_pwrgood; + int gpio_pmic_vcom_ctrl; + int gpio_pmic_wakeup; + int gpio_pmic_v3p3; + int gpio_pmic_intr; + int pass_num; + int vcom_uV; + + /* PMIC */ + struct max17135_regulator_data *regulators; + int num_regulators; +}; + +struct max17135_regulator_data { + int id; + struct regulator_init_data *initdata; + struct device_node *reg_node; +}; + +int max17135_reg_read(int reg_num, unsigned int *reg_val); +int max17135_reg_write(int reg_num, const unsigned int reg_val); + +#endif diff --git a/include/linux/pmic_status.h b/include/linux/pmic_status.h new file mode 100644 index 000000000000..a127c7117e13 --- /dev/null +++ b/include/linux/pmic_status.h @@ -0,0 +1,82 @@ +/* + * Copyright 2004-2015 Freescale Semiconductor, Inc. All Rights Reserved. + */ + +/* + * The code contained herein is licensed under the GNU Lesser General + * Public License. You may obtain a copy of the GNU Lesser General + * Public License Version 2.1 or later at the following locations: + * + * http://www.opensource.org/licenses/lgpl-license.html + * http://www.gnu.org/copyleft/lgpl.html + */ +#ifndef __ASM_ARCH_MXC_PMIC_STATUS_H__ +#define __ASM_ARCH_MXC_PMIC_STATUS_H__ +#include <asm-generic/errno-base.h> +#ifdef __KERNEL__ +#include <asm/uaccess.h> /* copy_{from,to}_user() */ +#endif +/*! + * @file arch-mxc/pmic_status.h + * @brief PMIC APIs return code definition. + * + * @ingroup PMIC_CORE + */ + +/*! + * @enum PMIC_STATUS + * @brief Define return values for all PMIC APIs. + * + * These return values are used by all of the PMIC APIs. + * + * @ingroup PMIC + */ +typedef enum { + PMIC_SUCCESS = 0, /*!< The requested operation was successfully + completed. */ + PMIC_ERROR = -1, /*!< The requested operation could not be completed + due to an error. */ + PMIC_PARAMETER_ERROR = -2, /*!< The requested operation failed because + one or more of the parameters was + invalid. */ + PMIC_NOT_SUPPORTED = -3, /*!< The requested operation could not be + completed because the PMIC hardware + does not support it. */ + PMIC_SYSTEM_ERROR_EINTR = -EINTR, + + PMIC_MALLOC_ERROR = -5, /*!< Error in malloc function */ + PMIC_UNSUBSCRIBE_ERROR = -6, /*!< Error in un-subscribe event */ + PMIC_EVENT_NOT_SUBSCRIBED = -7, /*!< Event occur and not subscribed */ + PMIC_EVENT_CALL_BACK = -8, /*!< Error - bad call back */ + PMIC_CLIENT_NBOVERFLOW = -9, /*!< The requested operation could not be + completed because there are too many + PMIC client requests */ +} PMIC_STATUS; + +/* + * Bitfield macros that use rely on bitfield width/shift information. + */ +#define BITFMASK(field) (((1U << (field ## _WID)) - 1) << (field ## _LSH)) +#define BITFVAL(field, val) ((val) << (field ## _LSH)) +#define BITFEXT(var, bit) ((var & BITFMASK(bit)) >> (bit ## _LSH)) + +/* + * Macros implementing error handling + */ +#define CHECK_ERROR(a) \ +do { \ + int ret = (a); \ + if (ret != PMIC_SUCCESS) \ + return ret; \ +} while (0) + +#define CHECK_ERROR_KFREE(func, freeptrs) \ +do { \ + int ret = (func); \ + if (ret != PMIC_SUCCESS) { \ + freeptrs; \ + return ret; \ + } \ +} while (0); + +#endif /* __ASM_ARCH_MXC_PMIC_STATUS_H__ */ |