zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/arch/arm/mach-nomadik/i2c-8815nhk.c b/ap/os/linux/linux-3.4.x/arch/arm/mach-nomadik/i2c-8815nhk.c
new file mode 100644
index 0000000..0fc2f6f
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/arch/arm/mach-nomadik/i2c-8815nhk.c
@@ -0,0 +1,65 @@
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/i2c.h>
+#include <linux/i2c-algo-bit.h>
+#include <linux/i2c-gpio.h>
+#include <linux/platform_device.h>
+#include <plat/gpio-nomadik.h>
+
+/*
+ * There are two busses in the 8815NHK.
+ * They could, in theory, be driven by the hardware component, but we
+ * use bit-bang through GPIO by now, to keep things simple
+ */
+
+static struct i2c_gpio_platform_data nhk8815_i2c_data0 = {
+ /* keep defaults for timeouts; pins are push-pull bidirectional */
+ .scl_pin = 62,
+ .sda_pin = 63,
+};
+
+static struct i2c_gpio_platform_data nhk8815_i2c_data1 = {
+ /* keep defaults for timeouts; pins are push-pull bidirectional */
+ .scl_pin = 53,
+ .sda_pin = 54,
+};
+
+/* first bus: GPIO XX and YY */
+static struct platform_device nhk8815_i2c_dev0 = {
+ .name = "i2c-gpio",
+ .id = 0,
+ .dev = {
+ .platform_data = &nhk8815_i2c_data0,
+ },
+};
+/* second bus: GPIO XX and YY */
+static struct platform_device nhk8815_i2c_dev1 = {
+ .name = "i2c-gpio",
+ .id = 1,
+ .dev = {
+ .platform_data = &nhk8815_i2c_data1,
+ },
+};
+
+static int __init nhk8815_i2c_init(void)
+{
+ nmk_gpio_set_mode(nhk8815_i2c_data0.scl_pin, NMK_GPIO_ALT_GPIO);
+ nmk_gpio_set_mode(nhk8815_i2c_data0.sda_pin, NMK_GPIO_ALT_GPIO);
+ platform_device_register(&nhk8815_i2c_dev0);
+
+ nmk_gpio_set_mode(nhk8815_i2c_data1.scl_pin, NMK_GPIO_ALT_GPIO);
+ nmk_gpio_set_mode(nhk8815_i2c_data1.sda_pin, NMK_GPIO_ALT_GPIO);
+ platform_device_register(&nhk8815_i2c_dev1);
+
+ return 0;
+}
+
+static void __exit nhk8815_i2c_exit(void)
+{
+ platform_device_unregister(&nhk8815_i2c_dev0);
+ platform_device_unregister(&nhk8815_i2c_dev1);
+ return;
+}
+
+module_init(nhk8815_i2c_init);
+module_exit(nhk8815_i2c_exit);