clk/qcom/reset.c

1 // SPDX-License-Identifier: GPL-2.0-only
9 #include <linux/reset-controller.h>
14 static int qcom_reset(struct reset_controller_dev *rcdev, unsigned long id)  in qcom_reset()
18 	rcdev->ops->assert(rcdev, id);  in qcom_reset()
19 	fsleep(rst->reset_map[id].udelay ?: 1); /* use 1 us as default */  in qcom_reset()
21 	rcdev->ops->deassert(rcdev, id);  in qcom_reset()
25 static int qcom_reset_set_assert(struct reset_controller_dev *rcdev,  in qcom_reset_set_assert()
29 	const struct qcom_reset_map *map;  in qcom_reset_set_assert()  local
30 	u32 mask;  in qcom_reset_set_assert()  local
33 	map = &rst->reset_map[id];  in qcom_reset_set_assert()
34 	mask = map->bitmask ? map->bitmask : BIT(map->bit);  in qcom_reset_set_assert()
36 	regmap_update_bits(rst->regmap, map->reg, mask, assert ? mask : 0);  in qcom_reset_set_assert()
39 	regmap_read(rst->regmap, map->reg, &mask);  in qcom_reset_set_assert()
44 static int qcom_reset_assert(struct reset_controller_dev *rcdev, unsigned long id)  in qcom_reset_assert()
49 static int qcom_reset_deassert(struct reset_controller_dev *rcdev, unsigned long id)  in qcom_reset_deassert()