xref: /OK3568_Linux_fs/u-boot/arch/arm/mach-rockchip/rv1108/clk_rv1108.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * (C) Copyright 2016 Rockchip Electronics Co., Ltd
3*4882a593Smuzhiyun  * Author: Andy Yan <andy.yan@rock-chips.com>
4*4882a593Smuzhiyun  * SPDX-License-Identifier:     GPL-2.0
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #include <common.h>
8*4882a593Smuzhiyun #include <dm.h>
9*4882a593Smuzhiyun #include <syscon.h>
10*4882a593Smuzhiyun #include <asm/arch/clock.h>
11*4882a593Smuzhiyun #include <asm/arch/cru_rv1108.h>
12*4882a593Smuzhiyun 
rockchip_get_clk(struct udevice ** devp)13*4882a593Smuzhiyun int rockchip_get_clk(struct udevice **devp)
14*4882a593Smuzhiyun {
15*4882a593Smuzhiyun #ifndef CONFIG_SPL_BUILD
16*4882a593Smuzhiyun 	return uclass_get_device_by_driver(UCLASS_CLK,
17*4882a593Smuzhiyun 			DM_GET_DRIVER(clk_rv1108), devp);
18*4882a593Smuzhiyun #else
19*4882a593Smuzhiyun 	return -1;
20*4882a593Smuzhiyun #endif
21*4882a593Smuzhiyun }
22*4882a593Smuzhiyun 
rockchip_get_cru(void)23*4882a593Smuzhiyun void *rockchip_get_cru(void)
24*4882a593Smuzhiyun {
25*4882a593Smuzhiyun 	struct rv1108_clk_priv *priv;
26*4882a593Smuzhiyun 	struct udevice *dev;
27*4882a593Smuzhiyun 	int ret;
28*4882a593Smuzhiyun 
29*4882a593Smuzhiyun 	ret = rockchip_get_clk(&dev);
30*4882a593Smuzhiyun 	if (ret)
31*4882a593Smuzhiyun 		return ERR_PTR(ret);
32*4882a593Smuzhiyun 
33*4882a593Smuzhiyun 	priv = dev_get_priv(dev);
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun 	return priv->cru;
36*4882a593Smuzhiyun }
37