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141 lines
4.1 KiB
141 lines
4.1 KiB
/* SPDX-License-Identifier: GPL-2.0+ */ |
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/* |
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* Exynos specific definitions for Samsung pinctrl and gpiolib driver. |
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* |
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* Copyright (c) 2012 Samsung Electronics Co., Ltd. |
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* http://www.samsung.com |
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* Copyright (c) 2012 Linaro Ltd |
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* http://www.linaro.org |
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* |
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* This file contains the Exynos specific definitions for the Samsung |
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* pinctrl/gpiolib interface drivers. |
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* |
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* Author: Thomas Abraham <[email protected]> |
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*/ |
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#ifndef __PINCTRL_SAMSUNG_EXYNOS_H |
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#define __PINCTRL_SAMSUNG_EXYNOS_H |
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/* External GPIO and wakeup interrupt related definitions */ |
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#define EXYNOS_GPIO_ECON_OFFSET 0x700 |
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#define EXYNOS_GPIO_EFLTCON_OFFSET 0x800 |
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#define EXYNOS_GPIO_EMASK_OFFSET 0x900 |
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#define EXYNOS_GPIO_EPEND_OFFSET 0xA00 |
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#define EXYNOS_WKUP_ECON_OFFSET 0xE00 |
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#define EXYNOS_WKUP_EMASK_OFFSET 0xF00 |
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#define EXYNOS_WKUP_EPEND_OFFSET 0xF40 |
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#define EXYNOS7_WKUP_ECON_OFFSET 0x700 |
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#define EXYNOS7_WKUP_EMASK_OFFSET 0x900 |
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#define EXYNOS7_WKUP_EPEND_OFFSET 0xA00 |
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#define EXYNOS_SVC_OFFSET 0xB08 |
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/* helpers to access interrupt service register */ |
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#define EXYNOS_SVC_GROUP_SHIFT 3 |
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#define EXYNOS_SVC_GROUP_MASK 0x1f |
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#define EXYNOS_SVC_NUM_MASK 7 |
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#define EXYNOS_SVC_GROUP(x) ((x >> EXYNOS_SVC_GROUP_SHIFT) & \ |
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EXYNOS_SVC_GROUP_MASK) |
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/* Exynos specific external interrupt trigger types */ |
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#define EXYNOS_EINT_LEVEL_LOW 0 |
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#define EXYNOS_EINT_LEVEL_HIGH 1 |
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#define EXYNOS_EINT_EDGE_FALLING 2 |
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#define EXYNOS_EINT_EDGE_RISING 3 |
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#define EXYNOS_EINT_EDGE_BOTH 4 |
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#define EXYNOS_EINT_CON_MASK 0xF |
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#define EXYNOS_EINT_CON_LEN 4 |
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#define EXYNOS_EINT_MAX_PER_BANK 8 |
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#define EXYNOS_EINT_NR_WKUP_EINT |
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#define EXYNOS_PIN_BANK_EINTN(pins, reg, id) \ |
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{ \ |
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.type = &bank_type_off, \ |
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.pctl_offset = reg, \ |
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.nr_pins = pins, \ |
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.eint_type = EINT_TYPE_NONE, \ |
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.name = id \ |
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} |
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#define EXYNOS_PIN_BANK_EINTG(pins, reg, id, offs) \ |
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{ \ |
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.type = &bank_type_off, \ |
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.pctl_offset = reg, \ |
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.nr_pins = pins, \ |
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.eint_type = EINT_TYPE_GPIO, \ |
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.eint_offset = offs, \ |
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.name = id \ |
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} |
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#define EXYNOS_PIN_BANK_EINTW(pins, reg, id, offs) \ |
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{ \ |
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.type = &bank_type_alive, \ |
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.pctl_offset = reg, \ |
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.nr_pins = pins, \ |
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.eint_type = EINT_TYPE_WKUP, \ |
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.eint_offset = offs, \ |
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.name = id \ |
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} |
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#define EXYNOS5433_PIN_BANK_EINTG(pins, reg, id, offs) \ |
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{ \ |
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.type = &exynos5433_bank_type_off, \ |
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.pctl_offset = reg, \ |
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.nr_pins = pins, \ |
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.eint_type = EINT_TYPE_GPIO, \ |
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.eint_offset = offs, \ |
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.name = id \ |
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} |
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#define EXYNOS5433_PIN_BANK_EINTW(pins, reg, id, offs) \ |
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{ \ |
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.type = &exynos5433_bank_type_alive, \ |
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.pctl_offset = reg, \ |
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.nr_pins = pins, \ |
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.eint_type = EINT_TYPE_WKUP, \ |
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.eint_offset = offs, \ |
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.name = id \ |
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} |
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#define EXYNOS5433_PIN_BANK_EINTW_EXT(pins, reg, id, offs, pctl_idx) \ |
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{ \ |
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.type = &exynos5433_bank_type_off, \ |
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.pctl_offset = reg, \ |
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.nr_pins = pins, \ |
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.eint_type = EINT_TYPE_WKUP, \ |
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.eint_offset = offs, \ |
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.name = id, \ |
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.pctl_res_idx = pctl_idx, \ |
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} \ |
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/** |
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* struct exynos_weint_data: irq specific data for all the wakeup interrupts |
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* generated by the external wakeup interrupt controller. |
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* @irq: interrupt number within the domain. |
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* @bank: bank responsible for this interrupt |
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*/ |
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struct exynos_weint_data { |
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unsigned int irq; |
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struct samsung_pin_bank *bank; |
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}; |
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/** |
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* struct exynos_muxed_weint_data: irq specific data for muxed wakeup interrupts |
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* generated by the external wakeup interrupt controller. |
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* @nr_banks: count of banks being part of the mux |
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* @banks: array of banks being part of the mux |
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*/ |
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struct exynos_muxed_weint_data { |
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unsigned int nr_banks; |
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struct samsung_pin_bank *banks[]; |
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}; |
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int exynos_eint_gpio_init(struct samsung_pinctrl_drv_data *d); |
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int exynos_eint_wkup_init(struct samsung_pinctrl_drv_data *d); |
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void exynos_pinctrl_suspend(struct samsung_pinctrl_drv_data *drvdata); |
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void exynos_pinctrl_resume(struct samsung_pinctrl_drv_data *drvdata); |
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struct samsung_retention_ctrl * |
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exynos_retention_init(struct samsung_pinctrl_drv_data *drvdata, |
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const struct samsung_retention_data *data); |
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#endif /* __PINCTRL_SAMSUNG_EXYNOS_H */
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