diff options
Diffstat (limited to 'arch/arm/mach-w90x900/clock.c')
-rw-r--r-- | arch/arm/mach-w90x900/clock.c | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/arch/arm/mach-w90x900/clock.c b/arch/arm/mach-w90x900/clock.c deleted file mode 100644 index df55aa8ce5ff..000000000000 --- a/arch/arm/mach-w90x900/clock.c +++ /dev/null @@ -1,121 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * linux/arch/arm/mach-w90x900/clock.c - * - * Copyright (c) 2008 Nuvoton technology corporation - * - * Wan ZongShun <mcuos.com@gmail.com> - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/list.h> -#include <linux/errno.h> -#include <linux/err.h> -#include <linux/string.h> -#include <linux/clk.h> -#include <linux/spinlock.h> -#include <linux/platform_device.h> -#include <linux/io.h> - -#include <mach/hardware.h> - -#include "clock.h" - -#define SUBCLK 0x24 - -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->enable)(clk, 1); - 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->enable)(clk, 0); - spin_unlock_irqrestore(&clocks_lock, flags); -} -EXPORT_SYMBOL(clk_disable); - -unsigned long clk_get_rate(struct clk *clk) -{ - return 15000000; -} -EXPORT_SYMBOL(clk_get_rate); - -void nuc900_clk_enable(struct clk *clk, int enable) -{ - unsigned int clocks = clk->cken; - unsigned long clken; - - clken = __raw_readl(W90X900_VA_CLKPWR); - - if (enable) - clken |= clocks; - else - clken &= ~clocks; - - __raw_writel(clken, W90X900_VA_CLKPWR); -} - -void nuc900_subclk_enable(struct clk *clk, int enable) -{ - unsigned int clocks = clk->cken; - unsigned long clken; - - clken = __raw_readl(W90X900_VA_CLKPWR + SUBCLK); - - if (enable) - clken |= clocks; - else - clken &= ~clocks; - - __raw_writel(clken, W90X900_VA_CLKPWR + SUBCLK); -} - -/* dummy functions, should not be called */ -long clk_round_rate(struct clk *clk, unsigned long rate) -{ - WARN_ON(clk); - return 0; -} -EXPORT_SYMBOL(clk_round_rate); - -int clk_set_rate(struct clk *clk, unsigned long rate) -{ - WARN_ON(clk); - return 0; -} -EXPORT_SYMBOL(clk_set_rate); - -int clk_set_parent(struct clk *clk, struct clk *parent) -{ - WARN_ON(clk); - return 0; -} -EXPORT_SYMBOL(clk_set_parent); - -struct clk *clk_get_parent(struct clk *clk) -{ - WARN_ON(clk); - return NULL; -} -EXPORT_SYMBOL(clk_get_parent); |