| /* |
| * Qualcomm APQ8016 reset controller driver |
| * |
| * (C) Copyright 2015 Mateusz Kulikowski <mateusz.kulikowski@gmail.com> |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #include <common.h> |
| #include <dm.h> |
| #include <errno.h> |
| #include <reset.h> |
| #include <asm/io.h> |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| static int msm_reset_request(struct udevice *dev, enum reset_t type) |
| { |
| phys_addr_t addr = dev_get_addr(dev); |
| if (!addr) |
| return -EINVAL; |
| writel(0, addr); |
| return -EINPROGRESS; |
| } |
| |
| static struct reset_ops msm_reset_ops = { |
| .request = msm_reset_request, |
| }; |
| |
| static const struct udevice_id msm_reset_ids[] = { |
| { .compatible = "qcom,pshold" }, |
| { } |
| }; |
| |
| U_BOOT_DRIVER(msm_reset) = { |
| .name = "msm_reset", |
| .id = UCLASS_RESET, |
| .of_match = msm_reset_ids, |
| .ops = &msm_reset_ops, |
| }; |