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![Thomas Gleixner](/assets/img/avatar_default.png)
Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 228 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Steve Winslow <swinslow@gmail.com> Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190528171438.107155473@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
74 lines
2.9 KiB
C
74 lines
2.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright Intel Corporation (C) 2014-2016. All Rights Reserved
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*
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* Declarations for Altera Arria10 MAX5 System Resource Chip
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*
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* Adapted from DA9052
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*/
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#ifndef __MFD_ALTERA_A10SR_H
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#define __MFD_ALTERA_A10SR_H
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#include <linux/completion.h>
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#include <linux/list.h>
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#include <linux/mfd/core.h>
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#include <linux/regmap.h>
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#include <linux/slab.h>
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/* Write registers are always on even addresses */
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#define WRITE_REG_MASK 0xFE
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/* Odd registers are always on odd addresses */
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#define READ_REG_MASK 0x01
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#define ALTR_A10SR_BITS_PER_REGISTER 8
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/*
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* To find the correct register, we divide the input GPIO by
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* the number of GPIO in each register. We then need to multiply
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* by 2 because the reads are at odd addresses.
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*/
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#define ALTR_A10SR_REG_OFFSET(X) (((X) / ALTR_A10SR_BITS_PER_REGISTER) << 1)
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#define ALTR_A10SR_REG_BIT(X) ((X) % ALTR_A10SR_BITS_PER_REGISTER)
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#define ALTR_A10SR_REG_BIT_CHG(X, Y) ((X) << ALTR_A10SR_REG_BIT(Y))
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#define ALTR_A10SR_REG_BIT_MASK(X) (1 << ALTR_A10SR_REG_BIT(X))
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/* Arria10 System Controller Register Defines */
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#define ALTR_A10SR_NOP 0x00 /* No Change */
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#define ALTR_A10SR_VERSION_READ 0x00 /* MAX5 Version Read */
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#define ALTR_A10SR_LED_REG 0x02 /* LED - Upper 4 bits */
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/* LED register Bit Definitions */
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#define ALTR_A10SR_LED_VALID_SHIFT 4 /* LED - Upper 4 bits valid */
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#define ALTR_A10SR_OUT_VALID_RANGE_LO ALTR_A10SR_LED_VALID_SHIFT
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#define ALTR_A10SR_OUT_VALID_RANGE_HI 7
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#define ALTR_A10SR_PBDSW_REG 0x04 /* PB & DIP SW - Input only */
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#define ALTR_A10SR_PBDSW_IRQ_REG 0x06 /* PB & DIP SW Flag Clear */
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/* Pushbutton & DIP Switch Bit Definitions */
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#define ALTR_A10SR_IN_VALID_RANGE_LO 8
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#define ALTR_A10SR_IN_VALID_RANGE_HI 15
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#define ALTR_A10SR_PWR_GOOD1_REG 0x08 /* Power Good1 Read */
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#define ALTR_A10SR_PWR_GOOD2_REG 0x0A /* Power Good2 Read */
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#define ALTR_A10SR_PWR_GOOD3_REG 0x0C /* Power Good3 Read */
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#define ALTR_A10SR_FMCAB_REG 0x0E /* FMCA/B & PCIe Pwr Enable */
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#define ALTR_A10SR_HPS_RST_REG 0x10 /* HPS Reset */
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#define ALTR_A10SR_USB_QSPI_REG 0x12 /* USB, BQSPI, FILE Reset */
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#define ALTR_A10SR_SFPA_REG 0x14 /* SFPA Control Reg */
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#define ALTR_A10SR_SFPB_REG 0x16 /* SFPB Control Reg */
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#define ALTR_A10SR_I2C_M_REG 0x18 /* I2C Master Select */
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#define ALTR_A10SR_WARM_RST_REG 0x1A /* HPS Warm Reset */
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#define ALTR_A10SR_WR_KEY_REG 0x1C /* HPS Warm Reset Key */
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#define ALTR_A10SR_PMBUS_REG 0x1E /* HPS PM Bus */
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/**
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* struct altr_a10sr - Altera Max5 MFD device private data structure
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* @dev: : this device
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* @regmap: the regmap assigned to the parent device.
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*/
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struct altr_a10sr {
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struct device *dev;
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struct regmap *regmap;
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};
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#endif /* __MFD_ALTERA_A10SR_H */
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