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Diffstat (limited to 'include/linux/mfd/da9052/gpio.h')
| -rw-r--r-- | include/linux/mfd/da9052/gpio.h | 253 |
1 files changed, 253 insertions, 0 deletions
diff --git a/include/linux/mfd/da9052/gpio.h b/include/linux/mfd/da9052/gpio.h new file mode 100644 index 00000000000..68a24ad9d82 --- /dev/null +++ b/include/linux/mfd/da9052/gpio.h @@ -0,0 +1,253 @@ +/* + * da9052 GPIO module declarations. + * + * Copyright(c) 2009 Dialog Semiconductor Ltd. + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#ifndef __LINUX_MFD_DA9052_GPIO_H +#define __LINUX_MFD_DA9052_GPIO_H + +#include <linux/gpio.h> +#define DA9052_GPIO_DEVICE_NAME "da9052_gpio" + +#define DA9052_GPIO_INVALID_TYPE 1 +#define DA9052_GPIO_INVALID_MODE 2 +#define DA9052_GPIO_INVALID_PORTNUMBER 3 +#define DA9052_GPIO_INVALID_FUNCTION 4 + +#define DA9052_GPIO_CONFIG_ADC 1 +#define DA9052_GPIO_CONFIG_TSI 2 +#define DA9052_GPIO_CONFIG_PM 3 +#define DA9052_GPIO_CONFIG_ACC_ID_DET 4 +#define DA9052_GPIO_CONFIG_GP_FB1 5 +#define DA9052_GPIO_CONFIG_VDD_FAULT 6 +#define DA9052_GPIO_CONFIG_I2C 7 +#define DA9052_GPIO_CONFIG 8 + +/* Currently used defines for GPIO PINs */ +#define DA9052_GPIO_PIN_0 DA9052_GPIO_CONFIG_ADC +#define DA9052_GPIO_PIN_1 DA9052_GPIO_CONFIG_ADC +#define DA9052_GPIO_PIN_2 DA9052_GPIO_CONFIG_ADC + +#define DA9052_GPIO_PIN_3 DA9052_GPIO_CONFIG_TSI +#define DA9052_GPIO_PIN_4 DA9052_GPIO_CONFIG_TSI +#define DA9052_GPIO_PIN_5 DA9052_GPIO_CONFIG_TSI +#define DA9052_GPIO_PIN_6 DA9052_GPIO_CONFIG_TSI +#define DA9052_GPIO_PIN_7 DA9052_GPIO_CONFIG_TSI + +#define DA9052_GPIO_PIN_8 DA9052_GPIO_CONFIG +#define DA9052_GPIO_PIN_9 DA9052_GPIO_CONFIG +#define DA9052_GPIO_PIN_10 DA9052_GPIO_CONFIG +#define DA9052_GPIO_PIN_11 DA9052_GPIO_CONFIG + +#define DA9052_GPIO_PIN_12 DA9052_GPIO_CONFIG +#define DA9052_GPIO_PIN_13 DA9052_GPIO_CONFIG + +#define DA9052_GPIO_PIN_14 DA9052_GPIO_CONFIG +#define DA9052_GPIO_PIN_15 DA9052_GPIO_CONFIG + +enum ip_op_type { + ALTERNATE_FUNCTIONALITY = 0, + INPUT, + OUTPUT_OPENDRAIN, + OUTPUT_PUSHPULL +}; + +enum ip_type { + ACTIVE_LOW = 0, + ACTIVE_HIGH +}; + +enum op_type { + SUPPLY_VDD_IO1 = 0, + SUPPLY_VDD_IO2 +}; + + +enum op_mode { + OUTPUT_LOWLEVEL = 0, + OUTPUT_HIGHLEVEL +}; + + +enum ip_mode { + DEBOUNCING_OFF = 0, + DEBOUNCING_ON +}; + +/*DEFAULT CONFIG FOR GPIO 0*/ +#if (DA9052_GPIO_PIN_0 == DA9052_GPIO_CONFIG) +#define DEFAULT_GPIO0_FUNCTION INPUT +#define DEFAULT_GPIO0_TYPE ACTIVE_LOW +#define DEFAULT_GPIO0_MODE DEBOUNCING_ON +#endif + +/*DEFAULT CONFIG FOR GPIO 1*/ +#if (DA9052_GPIO_PIN_1 == DA9052_GPIO_CONFIG) +#define DEFAULT_GPIO1_FUNCTION INPUT +#define DEFAULT_GPIO1_TYPE ACTIVE_LOW +#define DEFAULT_GPIO1_MODE DEBOUNCING_ON +#endif + +/*DEFAULT CONFIG FOR GPIO 2*/ +#if (DA9052_GPIO_PIN_2 == DA9052_GPIO_CONFIG) +#define DEFAULT_GPIO2_FUNCTION INPUT +#define DEFAULT_GPIO2_TYPE ACTIVE_LOW +#define DEFAULT_GPIO2_MODE DEBOUNCING_ON +#endif + +/*DEFAULT CONFIG FOR GPIO 3*/ +#if (DA9052_GPIO_PIN_3 == DA9052_GPIO_CONFIG) +#define DEFAULT_GPIO3_FUNCTION INPUT +#define DEFAULT_GPIO3_TYPE ACTIVE_LOW +#define DEFAULT_GPIO3_MODE DEBOUNCING_ON +#endif + +/*DEFAULT CONFIG FOR GPIO 4*/ +#if (DA9052_GPIO_PIN_4 == DA9052_GPIO_CONFIG) +#define DEFAULT_GPIO4_FUNCTION OUTPUT_PUSHPULL +#define DEFAULT_GPIO4_TYPE SUPPLY_VDD_IO1 +#define DEFAULT_GPIO4_MODE OUTPUT_LOWLEVEL +#endif +/*DEFAULT CONFIG FOR GPIO 5*/ +#if (DA9052_GPIO_PIN_5 == DA9052_GPIO_CONFIG) +#define DEFAULT_GPIO5_FUNCTION OUTPUT_PUSHPULL +#define DEFAULT_GPIO5_TYPE SUPPLY_VDD_IO1 +#define DEFAULT_GPIO5_MODE OUTPUT_LOWLEVEL +#endif + +/*DEFAULT CONFIG FOR GPIO 6*/ +#if (DA9052_GPIO_PIN_6 == DA9052_GPIO_CONFIG) +#define DEFAULT_GPIO6_FUNCTION OUTPUT_PUSHPULL +#define DEFAULT_GPIO6_TYPE SUPPLY_VDD_IO1 +#define DEFAULT_GPIO6_MODE OUTPUT_LOWLEVEL +#endif + +/*DEFAULT CONFIG FOR GPIO 7*/ +#if (DA9052_GPIO_PIN_7 == DA9052_GPIO_CONFIG) +#define DEFAULT_GPIO7_FUNCTION OUTPUT_PUSHPULL +#define DEFAULT_GPIO7_TYPE SUPPLY_VDD_IO1 +#define DEFAULT_GPIO7_MODE OUTPUT_LOWLEVEL +#endif + +/*DEFAULT CONFIG FOR GPIO 8*/ +#if (DA9052_GPIO_PIN_8 == DA9052_GPIO_CONFIG) +#define DEFAULT_GPIO8_FUNCTION INPUT +#define DEFAULT_GPIO8_TYPE ACTIVE_LOW +#define DEFAULT_GPIO8_MODE DEBOUNCING_ON +#endif + +/*DEFAULT CONFIG FOR GPIO 9*/ +#if (DA9052_GPIO_PIN_9 == DA9052_GPIO_CONFIG) +#define DEFAULT_GPIO9_FUNCTION INPUT +#define DEFAULT_GPIO9_TYPE ACTIVE_LOW +#define DEFAULT_GPIO9_MODE DEBOUNCING_ON +#endif + +#if (DA9052_GPIO_PIN_10 == DA9052_GPIO_CONFIG) +#define DEFAULT_GPIO10_FUNCTION OUTPUT_PUSHPULL +#define DEFAULT_GPIO10_TYPE SUPPLY_VDD_IO2 +#define DEFAULT_GPIO10_MODE OUTPUT_HIGHLEVEL +#endif + +/*DEFAULT CONFIG FOR GPIO 11 - for RTC blinking LED */ +#if (DA9052_GPIO_PIN_11 == DA9052_GPIO_CONFIG) +#define DEFAULT_GPIO11_FUNCTION OUTPUT_PUSHPULL +#define DEFAULT_GPIO11_TYPE SUPPLY_VDD_IO2 +#define DEFAULT_GPIO11_MODE OUTPUT_HIGHLEVEL +#endif + +/*DEFAULT CONFIG FOR GPIO 12*/ +#if (DA9052_GPIO_PIN_12 == DA9052_GPIO_CONFIG) +#define DEFAULT_GPIO12_FUNCTION OUTPUT_PUSHPULL +#define DEFAULT_GPIO12_TYPE SUPPLY_VDD_IO1 +#define DEFAULT_GPIO12_MODE OUTPUT_LOWLEVEL +#endif +/*DEFAULT CONFIG FOR GPIO 13*/ +#if (DA9052_GPIO_PIN_13 == DA9052_GPIO_CONFIG) +#define DEFAULT_GPIO13_FUNCTION OUTPUT_PUSHPULL +#define DEFAULT_GPIO13_TYPE SUPPLY_VDD_IO1 +#define DEFAULT_GPIO13_MODE OUTPUT_LOWLEVEL +#endif + +/*DEFAULT CONFIG FOR GPIO 14 - for LED4 */ +#if (DA9052_GPIO_PIN_14 == DA9052_GPIO_CONFIG) +#define DEFAULT_GPIO14_FUNCTION OUTPUT_OPENDRAIN +#define DEFAULT_GPIO14_TYPE SUPPLY_VDD_IO1 +#define DEFAULT_GPIO14_MODE OUTPUT_HIGHLEVEL +#endif + +/*DEFAULT CONFIG FOR GPIO 15 - for LED5 */ +#if (DA9052_GPIO_PIN_15 == DA9052_GPIO_CONFIG) +#define DEFAULT_GPIO15_FUNCTION OUTPUT_OPENDRAIN +#define DEFAULT_GPIO15_TYPE SUPPLY_VDD_IO1 +#define DEFAULT_GPIO15_MODE OUTPUT_HIGHLEVEL +#endif + +#define DA9052_GPIO_MAX_PORTNUMBER 16 +#define DA9052_GPIO_MAX_PORTS_PER_REGISTER 8 +#define DA9052_GPIO_SHIFT_COUNT(no) ((no)%8) +#define DA9052_GPIO_EVEN_PORT_FUNCTIONALITY 0x03 +#define DA9052_GPIO_ODD_PORT_FUNCTIONALITY 0x30 +#define DA9052_GPIO_MASK_UPPER_NIBBLE 0xF0 +#define DA9052_GPIO_MASK_LOWER_NIBBLE 0x0F +#define DA9052_GPIO_NIBBLE_SHIFT 4 +#define DA9052_GPIO_EVEN_PORT_WRITE_MODE (1 << 3) +#define DA9052_GPIO_ODD_PORT_WRITE_MODE (1 << 7) + + +struct da9052_gpio_read_write { + u8 port_number:4; + u8 read_write_value:1; +} ; + +struct da9052_gpio_multiple_read { + u8 signal_value[16]; +}; + +struct da9052_gpi_config { + enum ip_type type; + enum ip_mode mode; +}; + +struct da9052_gpo_config { + enum op_type type; + enum op_mode mode; +} ; + +union da9052_gpio_config { + struct da9052_gpi_config input; + struct da9052_gpo_config output; +}; + +struct da9052_gpio { + union da9052_gpio_config gpio_config; + enum ip_op_type gpio_function; + u8 port_number:4; +}; + +struct da9052_gpio_chip { + struct da9052_gpio gpio; + struct da9052_gpio_read_write read_write; + struct da9052 *da9052; + /* For testing*/ + struct da9052_eh_nb eh_data; + struct gpio_chip gp; +}; + +#endif /* __LINUX_MFD_DA9052_GPIO_H */ |