Simon Glass | d1dfea7 | 2016-10-01 20:04:51 -0600 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 Google, Inc |
| 3 | * Written by Simon Glass <sjg@chromium.org> |
| 4 | * |
| 5 | * SPDX-License-Identifier: GPL-2.0+ |
| 6 | */ |
| 7 | |
| 8 | #include <common.h> |
| 9 | #include <dm.h> |
| 10 | #include <syscon.h> |
| 11 | #include <asm/arch/clock.h> |
| 12 | #include <asm/arch/cru_rk3399.h> |
| 13 | |
Kever Yang | 5def722 | 2016-12-28 17:48:26 +0800 | [diff] [blame] | 14 | static int rockchip_get_cruclk(struct udevice **devp) |
Simon Glass | d1dfea7 | 2016-10-01 20:04:51 -0600 | [diff] [blame] | 15 | { |
| 16 | return uclass_get_device_by_driver(UCLASS_CLK, |
Kever Yang | 5def722 | 2016-12-28 17:48:26 +0800 | [diff] [blame] | 17 | DM_GET_DRIVER(clk_rk3399), devp); |
Simon Glass | d1dfea7 | 2016-10-01 20:04:51 -0600 | [diff] [blame] | 18 | } |
| 19 | |
| 20 | void *rockchip_get_cru(void) |
| 21 | { |
| 22 | struct rk3399_clk_priv *priv; |
| 23 | struct udevice *dev; |
| 24 | int ret; |
| 25 | |
Kever Yang | 5def722 | 2016-12-28 17:48:26 +0800 | [diff] [blame] | 26 | ret = rockchip_get_cruclk(&dev); |
Simon Glass | d1dfea7 | 2016-10-01 20:04:51 -0600 | [diff] [blame] | 27 | if (ret) |
| 28 | return ERR_PTR(ret); |
| 29 | |
| 30 | priv = dev_get_priv(dev); |
| 31 | |
| 32 | return priv->cru; |
| 33 | } |
Kever Yang | e198053 | 2017-02-13 17:38:56 +0800 | [diff] [blame] | 34 | |
| 35 | static int rockchip_get_pmucruclk(struct udevice **devp) |
| 36 | { |
| 37 | return uclass_get_device_by_driver(UCLASS_CLK, |
| 38 | DM_GET_DRIVER(rockchip_rk3399_pmuclk), devp); |
| 39 | } |
| 40 | |
| 41 | void *rockchip_get_pmucru(void) |
| 42 | { |
| 43 | struct rk3399_pmuclk_priv *priv; |
| 44 | struct udevice *dev; |
| 45 | int ret; |
| 46 | |
| 47 | ret = rockchip_get_pmucruclk(&dev); |
| 48 | if (ret) |
| 49 | return ERR_PTR(ret); |
| 50 | |
| 51 | priv = dev_get_priv(dev); |
| 52 | |
| 53 | return priv->pmucru; |
| 54 | } |