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-rw-r--r--arch/arm/mach-omap2/devices.c89
1 files changed, 89 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
new file mode 100644
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+++ b/arch/arm/mach-omap2/devices.c
@@ -0,0 +1,89 @@
+/*
+ * linux/arch/arm/mach-omap2/devices.c
+ *
+ * OMAP2 platform device setup/initialization
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+
+#include <asm/hardware.h>
+#include <asm/io.h>
+#include <asm/mach-types.h>
+#include <asm/mach/map.h>
+
+#include <asm/arch/tc.h>
+#include <asm/arch/board.h>
+#include <asm/arch/mux.h>
+#include <asm/arch/gpio.h>
+
+extern void omap_nop_release(struct device *dev);
+
+/*-------------------------------------------------------------------------*/
+
+#if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE)
+
+#define OMAP2_I2C_BASE2 0x48072000
+#define OMAP2_I2C_INT2 57
+
+static struct resource i2c_resources2[] = {
+ {
+ .start = OMAP2_I2C_BASE2,
+ .end = OMAP2_I2C_BASE2 + 0x3f,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = OMAP2_I2C_INT2,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device omap_i2c_device2 = {
+ .name = "i2c_omap",
+ .id = 2,
+ .dev = {
+ .release = omap_nop_release,
+ },
+ .num_resources = ARRAY_SIZE(i2c_resources2),
+ .resource = i2c_resources2,
+};
+
+/* See also arch/arm/plat-omap/devices.c for first I2C on 24xx */
+static void omap_init_i2c(void)
+{
+ /* REVISIT: Second I2C not in use on H4? */
+ if (machine_is_omap_h4())
+ return;
+
+ omap_cfg_reg(J15_24XX_I2C2_SCL);
+ omap_cfg_reg(H19_24XX_I2C2_SDA);
+ (void) platform_device_register(&omap_i2c_device2);
+}
+
+#else
+
+static void omap_init_i2c(void) {}
+
+#endif
+
+/*-------------------------------------------------------------------------*/
+
+static int __init omap2_init_devices(void)
+{
+ /* please keep these calls, and their implementations above,
+ * in alphabetical order so they're easier to sort through.
+ */
+ omap_init_i2c();
+
+ return 0;
+}
+arch_initcall(omap2_init_devices);
+
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