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-rw-r--r--arch/arm/mach-u300/Makefile1
-rw-r--r--arch/arm/mach-u300/core.c8
-rw-r--r--arch/arm/mach-u300/i2c.c43
-rw-r--r--arch/arm/mach-u300/i2c.h23
4 files changed, 73 insertions, 2 deletions
diff --git a/arch/arm/mach-u300/Makefile b/arch/arm/mach-u300/Makefile
index 4941f89ea798..885b5c027c1e 100644
--- a/arch/arm/mach-u300/Makefile
+++ b/arch/arm/mach-u300/Makefile
@@ -11,3 +11,4 @@ obj-$(CONFIG_ARCH_U300) += u300.o
obj-$(CONFIG_MMC) += mmc.o
obj-$(CONFIG_SPI_PL022) += spi.o
obj-$(CONFIG_MACH_U300_SPIDUMMY) += dummyspichip.o
+obj-$(CONFIG_I2C_STU300) += i2c.o
diff --git a/arch/arm/mach-u300/core.c b/arch/arm/mach-u300/core.c
index 38d08a1c25d0..bad1ba228cbf 100644
--- a/arch/arm/mach-u300/core.c
+++ b/arch/arm/mach-u300/core.c
@@ -33,6 +33,7 @@
#include "clock.h"
#include "mmc.h"
#include "spi.h"
+#include "i2c.h"
/*
* Static I/O mappings that are needed for booting the U300 platforms. The
@@ -379,14 +380,14 @@ static struct platform_device wdog_device = {
};
static struct platform_device i2c0_device = {
- .name = "stddci2c",
+ .name = "stu300",
.id = 0,
.num_resources = ARRAY_SIZE(i2c0_resources),
.resource = i2c0_resources,
};
static struct platform_device i2c1_device = {
- .name = "stddci2c",
+ .name = "stu300",
.id = 1,
.num_resources = ARRAY_SIZE(i2c1_resources),
.resource = i2c1_resources,
@@ -625,6 +626,9 @@ void __init u300_init_devices(void)
u300_assign_physmem();
+ /* Register subdevices on the I2C buses */
+ u300_i2c_register_board_devices();
+
/* Register subdevices on the SPI bus */
u300_spi_register_board_devices();
diff --git a/arch/arm/mach-u300/i2c.c b/arch/arm/mach-u300/i2c.c
new file mode 100644
index 000000000000..10be1f888b27
--- /dev/null
+++ b/arch/arm/mach-u300/i2c.c
@@ -0,0 +1,43 @@
+/*
+ * arch/arm/mach-u300/i2c.c
+ *
+ * Copyright (C) 2009 ST-Ericsson AB
+ * License terms: GNU General Public License (GPL) version 2
+ *
+ * Register board i2c devices
+ * Author: Linus Walleij <linus.walleij@stericsson.com>
+ */
+#include <linux/kernel.h>
+#include <linux/i2c.h>
+#include <mach/irqs.h>
+
+static struct i2c_board_info __initdata bus0_i2c_board_info[] = {
+ {
+ .type = "ab3100",
+ .addr = 0x48,
+ .irq = IRQ_U300_IRQ0_EXT,
+ },
+};
+
+static struct i2c_board_info __initdata bus1_i2c_board_info[] = {
+#ifdef CONFIG_MACH_U300_BS335
+ {
+ .type = "fwcam",
+ .addr = 0x10,
+ },
+ {
+ .type = "fwcam",
+ .addr = 0x5d,
+ },
+#else
+ { },
+#endif
+};
+
+void __init u300_i2c_register_board_devices(void)
+{
+ i2c_register_board_info(0, bus0_i2c_board_info,
+ ARRAY_SIZE(bus0_i2c_board_info));
+ i2c_register_board_info(1, bus1_i2c_board_info,
+ ARRAY_SIZE(bus1_i2c_board_info));
+}
diff --git a/arch/arm/mach-u300/i2c.h b/arch/arm/mach-u300/i2c.h
new file mode 100644
index 000000000000..485c02e5c06d
--- /dev/null
+++ b/arch/arm/mach-u300/i2c.h
@@ -0,0 +1,23 @@
+/*
+ * arch/arm/mach-u300/i2c.h
+ *
+ * Copyright (C) 2009 ST-Ericsson AB
+ * License terms: GNU General Public License (GPL) version 2
+ *
+ * Register board i2c devices
+ * Author: Linus Walleij <linus.walleij@stericsson.com>
+ */
+
+#ifndef MACH_U300_I2C_H
+#define MACH_U300_I2C_H
+
+#ifdef CONFIG_I2C_STU300
+void __init u300_i2c_register_board_devices(void);
+#else
+/* Compile out this stuff if no I2C adapter is available */
+static inline void __init u300_i2c_register_board_devices(void)
+{
+}
+#endif
+
+#endif