[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/bsp/lk/include/dev/gpio_i2c.h b/src/bsp/lk/include/dev/gpio_i2c.h
new file mode 100644
index 0000000..59403be
--- /dev/null
+++ b/src/bsp/lk/include/dev/gpio_i2c.h
@@ -0,0 +1,57 @@
+/* vim: set expandtab ts=4 sw=4 tw=100: */
+/*
+ * Copyright (c) 2013 Google Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files
+ * (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#ifndef __GPIO_I2C__
+#define __GPIO_I2C__
+
+#include <stdint.h>
+#include <dev/i2c.h>
+
+typedef struct gpio_i2c_info {
+ const int sda;
+ const int scl;
+ uint32_t hcd; /* 1/2 I2C clock delay in cpu cycles */
+ uint32_t qcd; /* 1/4 I2C clock delay in cpu cycles */
+} gpio_i2c_info_t;
+
+#define DEFINE_GPIO_I2C(_name, \
+ _sda_gpio_id, \
+ _scl_gpio_id, \
+ _clk_ticks) \
+static const gpio_i2c_info_t _name = { \
+ .sda = _sda_gpio_id, \
+ .scl = _scl_gpio_id, \
+ .hcd = ((_clk_ticks + 1) >> 1), \
+ .qcd = ((_clk_ticks + 3) >> 2), \
+}
+
+void gpio_i2c_add_bus(uint32_t bus_id, const gpio_i2c_info_t* info);
+
+void gpio_i2c_init_early(void);
+void gpio_i2c_init(void);
+status_t gpio_i2c_transmit(int, uint8_t, const void*, size_t);
+status_t gpio_i2c_receive(int, uint8_t, void*, size_t);
+status_t gpio_i2c_write_reg_bytes(int, uint8_t, uint8_t, const uint8_t*, size_t);
+status_t gpio_i2c_read_reg_bytes(int, uint8_t, uint8_t, uint8_t*, size_t);
+
+#endif // __GPIO_I2C__