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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /drivers/pinctrl/samsung/pinctrl-exynos.h | |
parent | Initial commit. (diff) | |
download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip |
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/pinctrl/samsung/pinctrl-exynos.h')
-rw-r--r-- | drivers/pinctrl/samsung/pinctrl-exynos.h | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.h b/drivers/pinctrl/samsung/pinctrl-exynos.h new file mode 100644 index 000000000..da1ec1369 --- /dev/null +++ b/drivers/pinctrl/samsung/pinctrl-exynos.h @@ -0,0 +1,141 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Exynos specific definitions for Samsung pinctrl and gpiolib driver. + * + * Copyright (c) 2012 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * Copyright (c) 2012 Linaro Ltd + * http://www.linaro.org + * + * This file contains the Exynos specific definitions for the Samsung + * pinctrl/gpiolib interface drivers. + * + * Author: Thomas Abraham <thomas.ab@samsung.com> + */ + +#ifndef __PINCTRL_SAMSUNG_EXYNOS_H +#define __PINCTRL_SAMSUNG_EXYNOS_H + +/* External GPIO and wakeup interrupt related definitions */ +#define EXYNOS_GPIO_ECON_OFFSET 0x700 +#define EXYNOS_GPIO_EFLTCON_OFFSET 0x800 +#define EXYNOS_GPIO_EMASK_OFFSET 0x900 +#define EXYNOS_GPIO_EPEND_OFFSET 0xA00 +#define EXYNOS_WKUP_ECON_OFFSET 0xE00 +#define EXYNOS_WKUP_EMASK_OFFSET 0xF00 +#define EXYNOS_WKUP_EPEND_OFFSET 0xF40 +#define EXYNOS7_WKUP_ECON_OFFSET 0x700 +#define EXYNOS7_WKUP_EMASK_OFFSET 0x900 +#define EXYNOS7_WKUP_EPEND_OFFSET 0xA00 +#define EXYNOS_SVC_OFFSET 0xB08 + +/* helpers to access interrupt service register */ +#define EXYNOS_SVC_GROUP_SHIFT 3 +#define EXYNOS_SVC_GROUP_MASK 0x1f +#define EXYNOS_SVC_NUM_MASK 7 +#define EXYNOS_SVC_GROUP(x) ((x >> EXYNOS_SVC_GROUP_SHIFT) & \ + EXYNOS_SVC_GROUP_MASK) + +/* Exynos specific external interrupt trigger types */ +#define EXYNOS_EINT_LEVEL_LOW 0 +#define EXYNOS_EINT_LEVEL_HIGH 1 +#define EXYNOS_EINT_EDGE_FALLING 2 +#define EXYNOS_EINT_EDGE_RISING 3 +#define EXYNOS_EINT_EDGE_BOTH 4 +#define EXYNOS_EINT_CON_MASK 0xF +#define EXYNOS_EINT_CON_LEN 4 + +#define EXYNOS_EINT_MAX_PER_BANK 8 +#define EXYNOS_EINT_NR_WKUP_EINT + +#define EXYNOS_PIN_BANK_EINTN(pins, reg, id) \ + { \ + .type = &bank_type_off, \ + .pctl_offset = reg, \ + .nr_pins = pins, \ + .eint_type = EINT_TYPE_NONE, \ + .name = id \ + } + +#define EXYNOS_PIN_BANK_EINTG(pins, reg, id, offs) \ + { \ + .type = &bank_type_off, \ + .pctl_offset = reg, \ + .nr_pins = pins, \ + .eint_type = EINT_TYPE_GPIO, \ + .eint_offset = offs, \ + .name = id \ + } + +#define EXYNOS_PIN_BANK_EINTW(pins, reg, id, offs) \ + { \ + .type = &bank_type_alive, \ + .pctl_offset = reg, \ + .nr_pins = pins, \ + .eint_type = EINT_TYPE_WKUP, \ + .eint_offset = offs, \ + .name = id \ + } + +#define EXYNOS5433_PIN_BANK_EINTG(pins, reg, id, offs) \ + { \ + .type = &exynos5433_bank_type_off, \ + .pctl_offset = reg, \ + .nr_pins = pins, \ + .eint_type = EINT_TYPE_GPIO, \ + .eint_offset = offs, \ + .name = id \ + } + +#define EXYNOS5433_PIN_BANK_EINTW(pins, reg, id, offs) \ + { \ + .type = &exynos5433_bank_type_alive, \ + .pctl_offset = reg, \ + .nr_pins = pins, \ + .eint_type = EINT_TYPE_WKUP, \ + .eint_offset = offs, \ + .name = id \ + } + +#define EXYNOS5433_PIN_BANK_EINTW_EXT(pins, reg, id, offs, pctl_idx) \ + { \ + .type = &exynos5433_bank_type_off, \ + .pctl_offset = reg, \ + .nr_pins = pins, \ + .eint_type = EINT_TYPE_WKUP, \ + .eint_offset = offs, \ + .name = id, \ + .pctl_res_idx = pctl_idx, \ + } \ + +/** + * struct exynos_weint_data: irq specific data for all the wakeup interrupts + * generated by the external wakeup interrupt controller. + * @irq: interrupt number within the domain. + * @bank: bank responsible for this interrupt + */ +struct exynos_weint_data { + unsigned int irq; + struct samsung_pin_bank *bank; +}; + +/** + * struct exynos_muxed_weint_data: irq specific data for muxed wakeup interrupts + * generated by the external wakeup interrupt controller. + * @nr_banks: count of banks being part of the mux + * @banks: array of banks being part of the mux + */ +struct exynos_muxed_weint_data { + unsigned int nr_banks; + struct samsung_pin_bank *banks[]; +}; + +int exynos_eint_gpio_init(struct samsung_pinctrl_drv_data *d); +int exynos_eint_wkup_init(struct samsung_pinctrl_drv_data *d); +void exynos_pinctrl_suspend(struct samsung_pinctrl_drv_data *drvdata); +void exynos_pinctrl_resume(struct samsung_pinctrl_drv_data *drvdata); +struct samsung_retention_ctrl * +exynos_retention_init(struct samsung_pinctrl_drv_data *drvdata, + const struct samsung_retention_data *data); + +#endif /* __PINCTRL_SAMSUNG_EXYNOS_H */ |