From 5ddf5d7705d2c2b59282ebd37aa2018460274e89 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Thu, 21 Jan 2016 19:44:05 -0700 Subject: [PATCH] rockchip: clk: Make rkclk_get_clk() SoC-specific The current method assumes that clocks are numbered from 0 and we can determine a clock by its number. It is safer to use an ID in the clock's platform data to avoid the situation where another clock is bound before the one we expect. Move the existing code into rk3036 since it still works there. Add a new implementation for rk3288. Signed-off-by: Simon Glass --- arch/arm/mach-rockchip/Makefile | 1 - arch/arm/mach-rockchip/common.c | 28 ---------------------------- drivers/clk/clk_rk3036.c | 17 +++++++++++++++++ drivers/clk/clk_rk3288.c | 13 +++++++++++++ 4 files changed, 30 insertions(+), 29 deletions(-) delete mode 100644 arch/arm/mach-rockchip/common.c diff --git a/arch/arm/mach-rockchip/Makefile b/arch/arm/mach-rockchip/Makefile index 1cc4a96bf4..55567cb131 100644 --- a/arch/arm/mach-rockchip/Makefile +++ b/arch/arm/mach-rockchip/Makefile @@ -11,6 +11,5 @@ else obj-$(CONFIG_ROCKCHIP_RK3288) += board.o endif obj-y += rk_timer.o -obj-$(CONFIG_$(SPL_)ROCKCHIP_COMMON) += common.o obj-$(CONFIG_ROCKCHIP_RK3288) += rk3288/ obj-$(CONFIG_ROCKCHIP_RK3036) += rk3036/ diff --git a/arch/arm/mach-rockchip/common.c b/arch/arm/mach-rockchip/common.c deleted file mode 100644 index fc7ac726cc..0000000000 --- a/arch/arm/mach-rockchip/common.c +++ /dev/null @@ -1,28 +0,0 @@ -/* - * (C) Copyright 2015 Google, Inc - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include -#include -#include -#include -#include - -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; -} diff --git a/drivers/clk/clk_rk3036.c b/drivers/clk/clk_rk3036.c index dfecc24ece..bd5f22a753 100644 --- a/drivers/clk/clk_rk3036.c +++ b/drivers/clk/clk_rk3036.c @@ -57,6 +57,23 @@ static inline unsigned int log2(unsigned int value) return fls(value) - 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) { diff --git a/drivers/clk/clk_rk3288.c b/drivers/clk/clk_rk3288.c index d294788f9c..5a8f175e4b 100644 --- a/drivers/clk/clk_rk3288.c +++ b/drivers/clk/clk_rk3288.c @@ -159,6 +159,19 @@ int rkclk_get_clk(enum rk_clk_id clk_id, struct udevice **devp) return -ENODEV; } +void *rockchip_get_cru(void) +{ + struct rk3288_clk_priv *priv; + struct udevice *dev; + int ret; + + ret = rkclk_get_clk(CLK_GENERAL, &dev); + if (ret) + return ERR_PTR(ret); + priv = dev_get_priv(dev); + return priv->cru; +} + static int rkclk_set_pll(struct rk3288_cru *cru, enum rk_clk_id clk_id, const struct pll_div *div) { -- 2.39.2