diff options
Diffstat (limited to 'arch/arm/mach-shmobile/clock-sh7367.c')
-rw-r--r-- | arch/arm/mach-shmobile/clock-sh7367.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/clock-sh7367.c b/arch/arm/mach-shmobile/clock-sh7367.c new file mode 100644 index 00000000000..bb940c6e4e6 --- /dev/null +++ b/arch/arm/mach-shmobile/clock-sh7367.c @@ -0,0 +1,103 @@ +/* + * Preliminary clock framework support for sh7367 + * + * Copyright (C) 2010 Magnus Damm + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ +#include <linux/init.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/list.h> +#include <linux/clk.h> + +struct clk { + const char *name; + unsigned long rate; +}; + +#include <asm/clkdev.h> + +int __clk_get(struct clk *clk) +{ + return 1; +} +EXPORT_SYMBOL(__clk_get); + +void __clk_put(struct clk *clk) +{ +} +EXPORT_SYMBOL(__clk_put); + + +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 ? clk->rate : 0; +} +EXPORT_SYMBOL(clk_get_rate); + +/* a static peripheral clock for now - enough to get sh-sci working */ +static struct clk peripheral_clk = { + .name = "peripheral_clk", + .rate = 48000000, +}; + +/* a static rclk for now - enough to get sh_cmt working */ +static struct clk r_clk = { + .name = "r_clk", + .rate = 32768, +}; + +/* a static usb0 for now - enough to get r8a66597 working */ +static struct clk usb0_clk = { + .name = "usb0", +}; + +/* a static keysc0 clk for now - enough to get sh_keysc working */ +static struct clk keysc0_clk = { + .name = "keysc0", +}; + +static struct clk_lookup lookups[] = { + { + .clk = &peripheral_clk, + }, { + .clk = &r_clk, + }, { + .clk = &usb0_clk, + }, { + .clk = &keysc0_clk, + } +}; + +void __init sh7367_clock_init(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(lookups); i++) { + lookups[i].con_id = lookups[i].clk->name; + clkdev_add(&lookups[i]); + } +} |