xref: /OK3568_Linux_fs/u-boot/arch/arm/mach-rockchip/rk1808/clk_rk1808.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Copyright (c) 2018 Fuzhou Rockchip Electronics Co., Ltd
4*4882a593Smuzhiyun  */
5*4882a593Smuzhiyun 
6*4882a593Smuzhiyun #include <common.h>
7*4882a593Smuzhiyun #include <dm.h>
8*4882a593Smuzhiyun #include <syscon.h>
9*4882a593Smuzhiyun #include <asm/arch/clock.h>
10*4882a593Smuzhiyun #include <asm/arch/cru_rk1808.h>
11*4882a593Smuzhiyun 
rockchip_get_clk(struct udevice ** devp)12*4882a593Smuzhiyun int rockchip_get_clk(struct udevice **devp)
13*4882a593Smuzhiyun {
14*4882a593Smuzhiyun 	return uclass_get_device_by_driver(UCLASS_CLK,
15*4882a593Smuzhiyun 			DM_GET_DRIVER(rockchip_rk1808_cru), devp);
16*4882a593Smuzhiyun }
17*4882a593Smuzhiyun 
rockchip_get_cru(void)18*4882a593Smuzhiyun void *rockchip_get_cru(void)
19*4882a593Smuzhiyun {
20*4882a593Smuzhiyun 	struct rk1808_clk_priv *priv;
21*4882a593Smuzhiyun 	struct udevice *dev;
22*4882a593Smuzhiyun 	int ret;
23*4882a593Smuzhiyun 
24*4882a593Smuzhiyun 	ret = rockchip_get_clk(&dev);
25*4882a593Smuzhiyun 	if (ret)
26*4882a593Smuzhiyun 		return ERR_PTR(ret);
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun 	priv = dev_get_priv(dev);
29*4882a593Smuzhiyun 
30*4882a593Smuzhiyun 	return priv->cru;
31*4882a593Smuzhiyun }
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