/* * Copyright Intel Corporation (C) 2014-2016. All Rights Reserved * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. * * This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>. * * Declarations for Altera Arria10 MAX5 System Resource Chip * * Adapted from DA9052 */ #ifndef __MFD_ALTERA_A10SR_H #define __MFD_ALTERA_A10SR_H #include <linux/completion.h> #include <linux/list.h> #include <linux/mfd/core.h> #include <linux/regmap.h> #include <linux/slab.h> /* Write registers are always on even addresses */ #define WRITE_REG_MASK 0xFE /* Odd registers are always on odd addresses */ #define READ_REG_MASK 0x01 #define ALTR_A10SR_BITS_PER_REGISTER 8 /* * To find the correct register, we divide the input GPIO by * the number of GPIO in each register. We then need to multiply * by 2 because the reads are at odd addresses. */ #define ALTR_A10SR_REG_OFFSET(X) (((X) / ALTR_A10SR_BITS_PER_REGISTER) << 1) #define ALTR_A10SR_REG_BIT(X) ((X) % ALTR_A10SR_BITS_PER_REGISTER) #define ALTR_A10SR_REG_BIT_CHG(X, Y) ((X) << ALTR_A10SR_REG_BIT(Y)) #define ALTR_A10SR_REG_BIT_MASK(X) (1 << ALTR_A10SR_REG_BIT(X)) /* Arria10 System Controller Register Defines */ #define ALTR_A10SR_NOP 0x00 /* No Change */ #define ALTR_A10SR_VERSION_READ 0x00 /* MAX5 Version Read */ #define ALTR_A10SR_LED_REG 0x02 /* LED - Upper 4 bits */ /* LED register Bit Definitions */ #define ALTR_A10SR_LED_VALID_SHIFT 4 /* LED - Upper 4 bits valid */ #define ALTR_A10SR_OUT_VALID_RANGE_LO ALTR_A10SR_LED_VALID_SHIFT #define ALTR_A10SR_OUT_VALID_RANGE_HI 7 #define ALTR_A10SR_PBDSW_REG 0x04 /* PB & DIP SW - Input only */ #define ALTR_A10SR_PBDSW_IRQ_REG 0x06 /* PB & DIP SW Flag Clear */ /* Pushbutton & DIP Switch Bit Definitions */ #define ALTR_A10SR_IN_VALID_RANGE_LO 8 #define ALTR_A10SR_IN_VALID_RANGE_HI 15 #define ALTR_A10SR_PWR_GOOD1_REG 0x08 /* Power Good1 Read */ #define ALTR_A10SR_PWR_GOOD2_REG 0x0A /* Power Good2 Read */ #define ALTR_A10SR_PWR_GOOD3_REG 0x0C /* Power Good3 Read */ #define ALTR_A10SR_FMCAB_REG 0x0E /* FMCA/B & PCIe Pwr Enable */ #define ALTR_A10SR_HPS_RST_REG 0x10 /* HPS Reset */ #define ALTR_A10SR_USB_QSPI_REG 0x12 /* USB, BQSPI, FILE Reset */ #define ALTR_A10SR_SFPA_REG 0x14 /* SFPA Control Reg */ #define ALTR_A10SR_SFPB_REG 0x16 /* SFPB Control Reg */ #define ALTR_A10SR_I2C_M_REG 0x18 /* I2C Master Select */ #define ALTR_A10SR_WARM_RST_REG 0x1A /* HPS Warm Reset */ #define ALTR_A10SR_WR_KEY_REG 0x1C /* HPS Warm Reset Key */ #define ALTR_A10SR_PMBUS_REG 0x1E /* HPS PM Bus */ /** * struct altr_a10sr - Altera Max5 MFD device private data structure * @dev: : this device * @regmap: the regmap assigned to the parent device. */ struct altr_a10sr { struct device *dev; struct regmap *regmap; }; #endif /* __MFD_ALTERA_A10SR_H */ |