u-boot/arch/arm/mach-rockchip/rk3399/clk_rk3399.c
Kever Yang 5ae2fd9724 rockchip: clk: rk3399: update driver for spl
Add ddr clock setting, add rockchip_get_pmucru API,
and enable of-platdata support.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Added rockchip tag and fix pmuclk_init() build warning:
Signed-off-by: Simon Glass <sjg@chromium.org>
2017-03-16 16:03:43 -06:00

54 lines
985 B
C

/*
* Copyright (C) 2016 Google, Inc
* Written by Simon Glass <sjg@chromium.org>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <dm.h>
#include <syscon.h>
#include <asm/arch/clock.h>
#include <asm/arch/cru_rk3399.h>
static int rockchip_get_cruclk(struct udevice **devp)
{
return uclass_get_device_by_driver(UCLASS_CLK,
DM_GET_DRIVER(clk_rk3399), devp);
}
void *rockchip_get_cru(void)
{
struct rk3399_clk_priv *priv;
struct udevice *dev;
int ret;
ret = rockchip_get_cruclk(&dev);
if (ret)
return ERR_PTR(ret);
priv = dev_get_priv(dev);
return priv->cru;
}
static int rockchip_get_pmucruclk(struct udevice **devp)
{
return uclass_get_device_by_driver(UCLASS_CLK,
DM_GET_DRIVER(rockchip_rk3399_pmuclk), devp);
}
void *rockchip_get_pmucru(void)
{
struct rk3399_pmuclk_priv *priv;
struct udevice *dev;
int ret;
ret = rockchip_get_pmucruclk(&dev);
if (ret)
return ERR_PTR(ret);
priv = dev_get_priv(dev);
return priv->pmucru;
}