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sh: enable I2C on the ap325rxa board
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This patch enables I2C on the sh7723-based ap325rxa board.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Magnus Damm authored and Paul Mundt committed Jul 28, 2008
1 parent 0fff76f commit 026953d
Showing 1 changed file with 11 additions and 0 deletions.
11 changes: 11 additions & 0 deletions arch/sh/boards/renesas/ap325rxa/setup.c
Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@
#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
#include <linux/delay.h>
#include <linux/i2c.h>
#include <asm/io.h>

static struct resource smc9118_resources[] = {
Expand Down Expand Up @@ -83,14 +84,21 @@ static struct platform_device *ap325rxa_devices[] __initdata = {
&ap325rxa_nor_flash_device
};

static struct i2c_board_info __initdata ap325rxa_i2c_devices[] = {
};

static int __init ap325rxa_devices_setup(void)
{
i2c_register_board_info(0, ap325rxa_i2c_devices,
ARRAY_SIZE(ap325rxa_i2c_devices));

return platform_add_devices(ap325rxa_devices,
ARRAY_SIZE(ap325rxa_devices));
}
device_initcall(ap325rxa_devices_setup);

#define MSTPCR0 (0xA4150030)
#define MSTPCR1 (0xA4150034)
#define MSTPCR2 (0xA4150038)

static void __init ap325rxa_setup(char **cmdline_p)
Expand All @@ -100,6 +108,9 @@ static void __init ap325rxa_setup(char **cmdline_p)

/* enable MERAM */
ctrl_outl(ctrl_inl(MSTPCR0) & ~0x00000001, MSTPCR0); /* bit 0 */

/* I2C */
ctrl_outl(ctrl_inl(MSTPCR1) & ~0x00000200, MSTPCR1);
}

static struct sh_machine_vector mv_ap325rxa __initmv = {
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