diff options
| -rw-r--r-- | arch/arm/include/asm/arch-rockchip/cru_rk3036.h | 6 | ||||
| -rw-r--r-- | arch/arm/mach-rockchip/rk3036/Makefile | 2 | ||||
| -rw-r--r-- | arch/arm/mach-rockchip/rk3036/clk_rk3036.c | 33 | ||||
| -rw-r--r-- | drivers/clk/rockchip/clk_rk3036.c | 24 |
4 files changed, 42 insertions, 23 deletions
diff --git a/arch/arm/include/asm/arch-rockchip/cru_rk3036.h b/arch/arm/include/asm/arch-rockchip/cru_rk3036.h index 7ecc8ee71c..aaef4b9d73 100644 --- a/arch/arm/include/asm/arch-rockchip/cru_rk3036.h +++ b/arch/arm/include/asm/arch-rockchip/cru_rk3036.h @@ -24,6 +24,12 @@ #define PERI_HCLK_HZ 148500000 #define PERI_PCLK_HZ 74250000 +/* Private data for the clock driver - used by rockchip_get_cru() */ +struct rk3036_clk_priv { + struct rk3036_cru *cru; + ulong rate; +}; + struct rk3036_cru { struct rk3036_pll { unsigned int con0; diff --git a/arch/arm/mach-rockchip/rk3036/Makefile b/arch/arm/mach-rockchip/rk3036/Makefile index 916a7a4378..20d28f7c21 100644 --- a/arch/arm/mach-rockchip/rk3036/Makefile +++ b/arch/arm/mach-rockchip/rk3036/Makefile @@ -4,6 +4,8 @@ # SPDX-License-Identifier: GPL-2.0+ # +obj-y += clk_rk3036.o + ifndef CONFIG_SPL_BUILD obj-y += syscon_rk3036.o endif diff --git a/arch/arm/mach-rockchip/rk3036/clk_rk3036.c b/arch/arm/mach-rockchip/rk3036/clk_rk3036.c new file mode 100644 index 0000000000..6a06afb103 --- /dev/null +++ b/arch/arm/mach-rockchip/rk3036/clk_rk3036.c @@ -0,0 +1,33 @@ +/* + * 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_rk3036.h> + +int rockchip_get_clk(struct udevice **devp) +{ + return uclass_get_device_by_driver(UCLASS_CLK, + DM_GET_DRIVER(rockchip_rk3036_cru), devp); +} + +void *rockchip_get_cru(void) +{ + struct rk3036_clk_priv *priv; + struct udevice *dev; + int ret; + + ret = rockchip_get_clk(&dev); + if (ret) + return ERR_PTR(ret); + + priv = dev_get_priv(dev); + + return priv->cru; +} diff --git a/drivers/clk/rockchip/clk_rk3036.c b/drivers/clk/rockchip/clk_rk3036.c index 8899b0c62d..7e3bf96944 100644 --- a/drivers/clk/rockchip/clk_rk3036.c +++ b/drivers/clk/rockchip/clk_rk3036.c @@ -19,11 +19,6 @@ DECLARE_GLOBAL_DATA_PTR; -struct rk3036_clk_priv { - struct rk3036_cru *cru; - ulong rate; -}; - enum { VCO_MAX_HZ = 2400U * 1000000, VCO_MIN_HZ = 600 * 1000000, @@ -49,23 +44,6 @@ enum { static const struct pll_div apll_init_cfg = PLL_DIVISORS(APLL_HZ, 1, 3, 1); static const struct pll_div gpll_init_cfg = PLL_DIVISORS(GPLL_HZ, 2, 2, 1); -void *rockchip_get_cru(void) -{ - struct udevice *dev; - fdt_addr_t addr; - int ret; - - ret = uclass_get_device(UCLASS_CLK, 0, &dev); - if (ret) - return ERR_PTR(ret); - - addr = dev_get_addr(dev); - if (addr == FDT_ADDR_T_NONE) - return ERR_PTR(-EINVAL); - - return (void *)addr; -} - static int rkclk_set_pll(struct rk3036_cru *cru, enum rk_clk_id clk_id, const struct pll_div *div) { @@ -371,7 +349,7 @@ static const struct udevice_id rk3036_clk_ids[] = { { } }; -U_BOOT_DRIVER(clk_rk3036) = { +U_BOOT_DRIVER(rockchip_rk3036_cru) = { .name = "clk_rk3036", .id = UCLASS_CLK, .of_match = rk3036_clk_ids, |