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Diffstat (limited to 'arch/x86/platform/intel-mid/device_libs/platform_tca6416.c')
-rw-r--r--arch/x86/platform/intel-mid/device_libs/platform_tca6416.c57
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/x86/platform/intel-mid/device_libs/platform_tca6416.c b/arch/x86/platform/intel-mid/device_libs/platform_tca6416.c
new file mode 100644
index 000000000000..22881c9a6737
--- /dev/null
+++ b/arch/x86/platform/intel-mid/device_libs/platform_tca6416.c
@@ -0,0 +1,57 @@
+/*
+ * platform_tca6416.c: tca6416 platform data initilization file
+ *
+ * (C) Copyright 2013 Intel Corporation
+ * Author: Sathyanarayanan Kuppuswamy <sathyanarayanan.kuppuswamy@intel.com>
+ *
+ * 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.
+ */
+
+#include <linux/platform_data/pca953x.h>
+#include <linux/i2c.h>
+#include <linux/gpio.h>
+#include <asm/intel-mid.h>
+
+#define TCA6416_NAME "tca6416"
+#define TCA6416_BASE "tca6416_base"
+#define TCA6416_INTR "tca6416_int"
+
+static void *tca6416_platform_data(void *info)
+{
+ static struct pca953x_platform_data tca6416;
+ struct i2c_board_info *i2c_info = info;
+ int gpio_base, intr;
+ char base_pin_name[SFI_NAME_LEN + 1];
+ char intr_pin_name[SFI_NAME_LEN + 1];
+
+ strcpy(i2c_info->type, TCA6416_NAME);
+ strcpy(base_pin_name, TCA6416_BASE);
+ strcpy(intr_pin_name, TCA6416_INTR);
+
+ gpio_base = get_gpio_by_name(base_pin_name);
+ intr = get_gpio_by_name(intr_pin_name);
+
+ if (gpio_base == -1)
+ return NULL;
+ tca6416.gpio_base = gpio_base;
+ if (intr != -1) {
+ i2c_info->irq = intr + INTEL_MID_IRQ_OFFSET;
+ tca6416.irq_base = gpio_base + INTEL_MID_IRQ_OFFSET;
+ } else {
+ i2c_info->irq = -1;
+ tca6416.irq_base = -1;
+ }
+ return &tca6416;
+}
+
+static const struct devs_id tca6416_dev_id __initconst = {
+ .name = "tca6416",
+ .type = SFI_DEV_TYPE_I2C,
+ .delay = 1,
+ .get_platform_data = &tca6416_platform_data,
+};
+
+sfi_device(tca6416_dev_id);