/* Copyright (c) 2011-2012, The Linux Foundation. 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 version 2 and * only version 2 as published by the Free Software Foundation. * * 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. */ #ifndef __PM8XXX_MPP_H #define __PM8XXX_MPP_H #include #define PM8XXX_MPP_DEV_NAME "pm8xxx-mpp" struct pm8xxx_mpp_core_data { int base_addr; int nmpps; }; struct pm8xxx_mpp_platform_data { struct pm8xxx_mpp_core_data core_data; int mpp_base; }; /** * struct pm8xxx_mpp_config_data - structure to specify mpp configuration values * @type: MPP type which determines the overall MPP function (i.e. digital * in/out/bi, analog in/out, current sink, or test). It should be * set to the value of one of PM8XXX_MPP_TYPE_D_*. * @level: meaning depends upon MPP type specified * @control: meaning depends upon MPP type specified * * Usage of level argument: * 1. type = PM8XXX_MPP_TYPE_D_INPUT, PM8XXX_MPP_TYPE_D_OUTPUT, * PM8XXX_MPP_TYPE_D_BI_DIR, or PM8XXX_MPP_TYPE_DTEST_OUTPUT - * * level specifies that digital logic level to use for the MPP. It should * be set to the value of one of PM8XXX_MPP_DIG_LEVEL_*. Actual regulator * connections for these level choices are PMIC chip specific. * * 2. type = PM8XXX_MPP_TYPE_A_INPUT - * * level specifies where in the PMIC chip the analog input value should * be routed to. It should be set to the value of one of * PM8XXX_MPP_AIN_AMUX_*. * * 3. type = PM8XXX_MPP_TYPE_A_OUTPUT - * * level specifies the output analog voltage reference level. It should * be set to the value of one of PM8XXX_MPP_AOUT_LVL_*. * * 4. type = PM8XXX_MPP_TYPE_SINK or PM8XXX_MPP_TYPE_DTEST_SINK - * * level specifies the output current level. It should be set to the value * of one of PM8XXX_MPP_CS_OUT_*. * * Usage of control argument: * 1. type = PM8XXX_MPP_TYPE_D_INPUT - * * control specifies how the digital input should be routed in the chip. * It should be set to the value of one of PM8XXX_MPP_DIN_TO_*. * * 2. type = PM8XXX_MPP_TYPE_D_OUTPUT - * * control specifies the digital output value. It should be set to the * value of one of PM8XXX_MPP_DOUT_CTRL_*. * * 3. type = PM8XXX_MPP_TYPE_D_BI_DIR - * * control specifies the pullup resistor value. It should be set to the * value of one of PM8XXX_MPP_BI_PULLUP_*. * * 4. type = PM8XXX_MPP_TYPE_A_INPUT - * * control is unused; a value of 0 is sufficient. * * 5. type = PM8XXX_MPP_TYPE_A_OUTPUT - * * control specifies if analog output is enabled. It should be set to the * value of one of PM8XXX_MPP_AOUT_CTRL_*. * * 6. type = PM8XXX_MPP_TYPE_SINK - * * control specifies if current sinking is enabled. It should be set to * the value of one of PM8XXX_MPP_CS_CTRL_*. * * 7. type = PM8XXX_MPP_TYPE_DTEST_SINK - * * control specifies if current sinking is enabled. It should be set to * the value of one of PM8XXX_MPP_DTEST_CS_CTRL_*. * * 8. type = PM8XXX_MPP_TYPE_DTEST_OUTPUT - * * control specifies which DTEST bus value to output. It should be set to * the value of one of PM8XXX_MPP_DTEST_*. */ struct pm8xxx_mpp_config_data { unsigned type; unsigned level; unsigned control; }; /* API */ #if defined(CONFIG_GPIO_PM8XXX_MPP_MODULE) /** * pm8xxx_mpp_config() - configure control options of a multi-purpose pin (MPP) * @mpp: global GPIO number corresponding to the MPP * @config: configuration to set for this MPP * Context: can sleep * * RETURNS: an appropriate -ERRNO error value on error, or zero for success. */ int pm8xxx_mpp_config(unsigned mpp, struct pm8xxx_mpp_config_data *config); #else static inline int pm8xxx_mpp_config(unsigned mpp, struct pm8xxx_mpp_config_data *config) { return -ENXIO; } #endif /* MPP Type: type */ #define PM8XXX_MPP_TYPE_D_INPUT 0 #define PM8XXX_MPP_TYPE_D_OUTPUT 1 #define PM8XXX_MPP_TYPE_D_BI_DIR 2 #define PM8XXX_MPP_TYPE_A_INPUT 3 #define PM8XXX_MPP_TYPE_A_OUTPUT 4 #define PM8XXX_MPP_TYPE_SINK 5 #define PM8XXX_MPP_TYPE_DTEST_SINK 6 #define PM8XXX_MPP_TYPE_DTEST_OUTPUT 7 /* Digital Input/Output: level */ #define PM8XXX_MPP_DIG_LEVEL_VIO_0 0 #define PM8XXX_MPP_DIG_LEVEL_VIO_1 1 #define PM8XXX_MPP_DIG_LEVEL_VIO_2 2 #define PM8XXX_MPP_DIG_LEVEL_VIO_3 3 #define PM8XXX_MPP_DIG_LEVEL_VIO_4 4 #define PM8XXX_MPP_DIG_LEVEL_VIO_5 5 #define PM8XXX_MPP_DIG_LEVEL_VIO_6 6 #define PM8XXX_MPP_DIG_LEVEL_VIO_7 7 /* Digital Input/Output: level [PM8058] */ #define PM8058_MPP_DIG_LEVEL_VPH 0 #define PM8058_MPP_DIG_LEVEL_S3 1 #define PM8058_MPP_DIG_LEVEL_L2 2 #define PM8058_MPP_DIG_LEVEL_L3 3 /* Digital Input/Output: level [PM8901] */ #define PM8901_MPP_DIG_LEVEL_MSMIO 0 #define PM8901_MPP_DIG_LEVEL_DIG 1 #define PM8901_MPP_DIG_LEVEL_L5 2 #define PM8901_MPP_DIG_LEVEL_S4 3 #define PM8901_MPP_DIG_LEVEL_VPH 4 /* Digital Input/Output: level [PM8921] */ #define PM8921_MPP_DIG_LEVEL_S4 1 #define PM8921_MPP_DIG_LEVEL_L15 3 #define PM8921_MPP_DIG_LEVEL_L17 4 #define PM8921_MPP_DIG_LEVEL_VPH 7 /* Digital Input/Output: level [PM8821] */ #define PM8821_MPP_DIG_LEVEL_1P8 0 #define PM8821_MPP_DIG_LEVEL_VPH 7 /* Digital Input/Output: level [PM8018] */ #define PM8018_MPP_DIG_LEVEL_L4 0 #define PM8018_MPP_DIG_LEVEL_L14 1 #define PM8018_MPP_DIG_LEVEL_S3 2 #define PM8018_MPP_DIG_LEVEL_L6 3 #define PM8018_MPP_DIG_LEVEL_L2 4 #define PM8018_MPP_DIG_LEVEL_L5 5 #define PM8018_MPP_DIG_LEVEL_VPH 7 /* Digital Input/Output: level [PM8038] */ #define PM8038_MPP_DIG_LEVEL_L20 0 #define PM8038_MPP_DIG_LEVEL_L11 1 #define PM8038_MPP_DIG_LEVEL_L5 2 #define PM8038_MPP_DIG_LEVEL_L15 3 #define PM8038_MPP_DIG_LEVEL_L17 4 #define PM8038_MPP_DIG_LEVEL_VPH 7 /* Digital Input: control */ #define PM8XXX_MPP_DIN_TO_INT 0 #define PM8XXX_MPP_DIN_TO_DBUS1 1 #define PM8XXX_MPP_DIN_TO_DBUS2 2 #define PM8XXX_MPP_DIN_TO_DBUS3 3 /* Digital Output: control */ #define PM8XXX_MPP_DOUT_CTRL_LOW 0 #define PM8XXX_MPP_DOUT_CTRL_HIGH 1 #define PM8XXX_MPP_DOUT_CTRL_MPP 2 #define PM8XXX_MPP_DOUT_CTRL_INV_MPP 3 /* Bidirectional: control */ #define PM8XXX_MPP_BI_PULLUP_1KOHM 0 #define PM8XXX_MPP_BI_PULLUP_OPEN 1 #define PM8XXX_MPP_BI_PULLUP_10KOHM 2 #define PM8XXX_MPP_BI_PULLUP_30KOHM 3 /* Analog Input: level */ #define PM8XXX_MPP_AIN_AMUX_CH5 0 #define PM8XXX_MPP_AIN_AMUX_CH6 1 #define PM8XXX_MPP_AIN_AMUX_CH7 2 #define PM8XXX_MPP_AIN_AMUX_CH8 3 #define PM8XXX_MPP_AIN_AMUX_CH9 4 #define PM8XXX_MPP_AIN_AMUX_ABUS1 5 #define PM8XXX_MPP_AIN_AMUX_ABUS2 6 #define PM8XXX_MPP_AIN_AMUX_ABUS3 7 /* Analog Output: level */ #define PM8XXX_MPP_AOUT_LVL_1V25 0 #define PM8XXX_MPP_AOUT_LVL_1V25_2 1 #define PM8XXX_MPP_AOUT_LVL_0V625 2 #define PM8XXX_MPP_AOUT_LVL_0V3125 3 #define PM8XXX_MPP_AOUT_LVL_MPP 4 #define PM8XXX_MPP_AOUT_LVL_ABUS1 5 #define PM8XXX_MPP_AOUT_LVL_ABUS2 6 #define PM8XXX_MPP_AOUT_LVL_ABUS3 7 /* Analog Output: control */ #define PM8XXX_MPP_AOUT_CTRL_DISABLE 0 #define PM8XXX_MPP_AOUT_CTRL_ENABLE 1 #define PM8XXX_MPP_AOUT_CTRL_MPP_HIGH_EN 2 #define PM8XXX_MPP_AOUT_CTRL_MPP_LOW_EN 3 /* Current Sink: level */ #define PM8XXX_MPP_CS_OUT_5MA 0 #define PM8XXX_MPP_CS_OUT_10MA 1 #define PM8XXX_MPP_CS_OUT_15MA 2 #define PM8XXX_MPP_CS_OUT_20MA 3 #define PM8XXX_MPP_CS_OUT_25MA 4 #define PM8XXX_MPP_CS_OUT_30MA 5 #define PM8XXX_MPP_CS_OUT_35MA 6 #define PM8XXX_MPP_CS_OUT_40MA 7 /* Current Sink: control */ #define PM8XXX_MPP_CS_CTRL_DISABLE 0 #define PM8XXX_MPP_CS_CTRL_ENABLE 1 #define PM8XXX_MPP_CS_CTRL_MPP_HIGH_EN 2 #define PM8XXX_MPP_CS_CTRL_MPP_LOW_EN 3 /* DTEST Current Sink: control */ #define PM8XXX_MPP_DTEST_CS_CTRL_EN1 0 #define PM8XXX_MPP_DTEST_CS_CTRL_EN2 1 #define PM8XXX_MPP_DTEST_CS_CTRL_EN3 2 #define PM8XXX_MPP_DTEST_CS_CTRL_EN4 3 /* DTEST Digital Output: control */ #define PM8XXX_MPP_DTEST_DBUS1 0 #define PM8XXX_MPP_DTEST_DBUS2 1 #define PM8XXX_MPP_DTEST_DBUS3 2 #define PM8XXX_MPP_DTEST_DBUS4 3 #endif