diff options
Diffstat (limited to 'target/linux/ramips/files/arch/mips/ralink/rt288x/clock.c')
-rw-r--r-- | target/linux/ramips/files/arch/mips/ralink/rt288x/clock.c | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt288x/clock.c b/target/linux/ramips/files/arch/mips/ralink/rt288x/clock.c deleted file mode 100644 index 36d754d..0000000 --- a/target/linux/ramips/files/arch/mips/ralink/rt288x/clock.c +++ /dev/null @@ -1,99 +0,0 @@ -/* - * Ralink RT288X clock API - * - * Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/err.h> -#include <linux/clk.h> - -#include <asm/mach-ralink/common.h> -#include <asm/mach-ralink/rt288x.h> -#include <asm/mach-ralink/rt288x_regs.h> -#include "common.h" - -struct clk { - unsigned long rate; -}; - -static struct clk rt288x_cpu_clk; -static struct clk rt288x_sys_clk; -static struct clk rt288x_wdt_clk; -static struct clk rt288x_uart_clk; - -void __init rt288x_clocks_init(void) -{ - u32 t; - - t = rt288x_sysc_rr(SYSC_REG_SYSTEM_CONFIG); - t = ((t >> SYSTEM_CONFIG_CPUCLK_SHIFT) & SYSTEM_CONFIG_CPUCLK_MASK); - - switch (t) { - case SYSTEM_CONFIG_CPUCLK_250: - rt288x_cpu_clk.rate = 250000000; - break; - case SYSTEM_CONFIG_CPUCLK_266: - rt288x_cpu_clk.rate = 266666667; - break; - case SYSTEM_CONFIG_CPUCLK_280: - rt288x_cpu_clk.rate = 280000000; - break; - case SYSTEM_CONFIG_CPUCLK_300: - rt288x_cpu_clk.rate = 300000000; - break; - } - - rt288x_sys_clk.rate = rt288x_cpu_clk.rate / 2; - rt288x_uart_clk.rate = rt288x_sys_clk.rate; - rt288x_wdt_clk.rate = rt288x_sys_clk.rate; -} - -/* - * Linux clock API - */ -struct clk *clk_get(struct device *dev, const char *id) -{ - if (!strcmp(id, "sys")) - return &rt288x_sys_clk; - - if (!strcmp(id, "cpu")) - return &rt288x_cpu_clk; - - if (!strcmp(id, "wdt")) - return &rt288x_wdt_clk; - - if (!strcmp(id, "uart")) - return &rt288x_uart_clk; - - return ERR_PTR(-ENOENT); -} -EXPORT_SYMBOL(clk_get); - -int clk_enable(struct clk *clk) -{ - return 0; -} -EXPORT_SYMBOL(clk_enable); - -void clk_disable(struct clk *clk) -{ -} -EXPORT_SYMBOL(clk_disable); - -unsigned long clk_get_rate(struct clk *clk) -{ - return clk->rate; -} -EXPORT_SYMBOL(clk_get_rate); - -void clk_put(struct clk *clk) -{ -} -EXPORT_SYMBOL(clk_put); |