sh: enable I2C on the ap325rxa board
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>
diff --git a/arch/sh/boards/renesas/ap325rxa/setup.c b/arch/sh/boards/renesas/ap325rxa/setup.c
index e33340c..f8d6d41 100644
--- a/arch/sh/boards/renesas/ap325rxa/setup.c
+++ b/arch/sh/boards/renesas/ap325rxa/setup.c
@@ -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[] = {
@@ -83,14 +84,21 @@
&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)
@@ -100,6 +108,9 @@
/* 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 = {