| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright (C) 2019 DENX Software Engineering |
| * Lukasz Majewski, DENX Software Engineering, lukma@denx.de |
| */ |
| |
| #include <common.h> |
| #include <clk-uclass.h> |
| #include <log.h> |
| #include <dm/device.h> |
| #include <dm/uclass.h> |
| #include <dm/lists.h> |
| #include <dm/device-internal.h> |
| #include <clk.h> |
| |
| int clk_register(struct clk *clk, const char *drv_name, |
| const char *name, const char *parent_name) |
| { |
| struct udevice *parent; |
| struct driver *drv; |
| int ret; |
| |
| ret = uclass_get_device_by_name(UCLASS_CLK, parent_name, &parent); |
| if (ret) { |
| printf("%s: failed to get %s device (parent of %s)\n", |
| __func__, parent_name, name); |
| } else { |
| debug("%s: name: %s parent: %s [0x%p]\n", __func__, name, |
| parent->name, parent); |
| } |
| |
| drv = lists_driver_lookup_name(drv_name); |
| if (!drv) { |
| printf("%s: %s is not a valid driver name\n", |
| __func__, drv_name); |
| return -ENOENT; |
| } |
| |
| ret = device_bind(parent, drv, name, NULL, ofnode_null(), &clk->dev); |
| if (ret) { |
| printf("%s: CLK: %s driver bind error [%d]!\n", __func__, name, |
| ret); |
| return ret; |
| } |
| |
| clk->enable_count = 0; |
| |
| /* Store back pointer to clk from udevice */ |
| /* FIXME: This is not allowed...should be allocated by driver model */ |
| dev_set_uclass_priv(clk->dev, clk); |
| |
| return 0; |
| } |
| |
| ulong clk_generic_get_rate(struct clk *clk) |
| { |
| return clk_get_parent_rate(clk); |
| } |
| |
| const char *clk_hw_get_name(const struct clk *hw) |
| { |
| assert(hw); |
| assert(hw->dev); |
| |
| return hw->dev->name; |
| } |
| |
| bool clk_dev_binded(struct clk *clk) |
| { |
| if (clk->dev && (dev_get_flags(clk->dev) & DM_FLAG_BOUND)) |
| return true; |
| |
| return false; |
| } |