diff options
Diffstat (limited to 'arch/arm/mach-mmp/clock.c')
-rw-r--r-- | arch/arm/mach-mmp/clock.c | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/arch/arm/mach-mmp/clock.c b/arch/arm/mach-mmp/clock.c deleted file mode 100644 index 291fe41e3547..000000000000 --- a/arch/arm/mach-mmp/clock.c +++ /dev/null @@ -1,105 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * linux/arch/arm/mach-mmp/clock.c - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/list.h> -#include <linux/spinlock.h> -#include <linux/clk.h> -#include <linux/io.h> - -#include "regs-apbc.h" -#include "clock.h" - -static void apbc_clk_enable(struct clk *clk) -{ - uint32_t clk_rst; - - clk_rst = APBC_APBCLK | APBC_FNCLK | APBC_FNCLKSEL(clk->fnclksel); - __raw_writel(clk_rst, clk->clk_rst); -} - -static void apbc_clk_disable(struct clk *clk) -{ - __raw_writel(0, clk->clk_rst); -} - -struct clkops apbc_clk_ops = { - .enable = apbc_clk_enable, - .disable = apbc_clk_disable, -}; - -static void apmu_clk_enable(struct clk *clk) -{ - __raw_writel(clk->enable_val, clk->clk_rst); -} - -static void apmu_clk_disable(struct clk *clk) -{ - __raw_writel(0, clk->clk_rst); -} - -struct clkops apmu_clk_ops = { - .enable = apmu_clk_enable, - .disable = apmu_clk_disable, -}; - -static DEFINE_SPINLOCK(clocks_lock); - -int clk_enable(struct clk *clk) -{ - unsigned long flags; - - spin_lock_irqsave(&clocks_lock, flags); - if (clk->enabled++ == 0) - clk->ops->enable(clk); - spin_unlock_irqrestore(&clocks_lock, flags); - return 0; -} -EXPORT_SYMBOL(clk_enable); - -void clk_disable(struct clk *clk) -{ - unsigned long flags; - - if (!clk) - return; - - WARN_ON(clk->enabled == 0); - - spin_lock_irqsave(&clocks_lock, flags); - if (--clk->enabled == 0) - clk->ops->disable(clk); - spin_unlock_irqrestore(&clocks_lock, flags); -} -EXPORT_SYMBOL(clk_disable); - -unsigned long clk_get_rate(struct clk *clk) -{ - unsigned long rate; - - if (clk->ops->getrate) - rate = clk->ops->getrate(clk); - else - rate = clk->rate; - - return rate; -} -EXPORT_SYMBOL(clk_get_rate); - -int clk_set_rate(struct clk *clk, unsigned long rate) -{ - unsigned long flags; - int ret = -EINVAL; - - if (clk->ops->setrate) { - spin_lock_irqsave(&clocks_lock, flags); - ret = clk->ops->setrate(clk, rate); - spin_unlock_irqrestore(&clocks_lock, flags); - } - - return ret; -} -EXPORT_SYMBOL(clk_set_rate); |