[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/drivers/gpio/gpio-mc9s08dz60.c b/src/kernel/linux/v4.14/drivers/gpio/gpio-mc9s08dz60.c
new file mode 100644
index 0000000..2fcad5b
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/gpio/gpio-mc9s08dz60.c
@@ -0,0 +1,121 @@
+/*
+ * Copyright 2009-2012 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * Author: Wu Guoxing <b39297@freescale.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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/i2c.h>
+#include <linux/gpio.h>
+
+#define GPIO_GROUP_NUM 2
+#define GPIO_NUM_PER_GROUP 8
+#define GPIO_NUM (GPIO_GROUP_NUM*GPIO_NUM_PER_GROUP)
+
+struct mc9s08dz60 {
+ struct i2c_client *client;
+ struct gpio_chip chip;
+};
+
+static void mc9s_gpio_to_reg_and_bit(int offset, u8 *reg, u8 *bit)
+{
+ *reg = 0x20 + offset / GPIO_NUM_PER_GROUP;
+ *bit = offset % GPIO_NUM_PER_GROUP;
+}
+
+static int mc9s08dz60_get_value(struct gpio_chip *gc, unsigned offset)
+{
+ u8 reg, bit;
+ s32 value;
+ struct mc9s08dz60 *mc9s = gpiochip_get_data(gc);
+
+ mc9s_gpio_to_reg_and_bit(offset, ®, &bit);
+ value = i2c_smbus_read_byte_data(mc9s->client, reg);
+
+ return (value >= 0) ? (value >> bit) & 0x1 : 0;
+}
+
+static int mc9s08dz60_set(struct mc9s08dz60 *mc9s, unsigned offset, int val)
+{
+ u8 reg, bit;
+ s32 value;
+
+ mc9s_gpio_to_reg_and_bit(offset, ®, &bit);
+ value = i2c_smbus_read_byte_data(mc9s->client, reg);
+ if (value >= 0) {
+ if (val)
+ value |= 1 << bit;
+ else
+ value &= ~(1 << bit);
+
+ return i2c_smbus_write_byte_data(mc9s->client, reg, value);
+ } else
+ return value;
+
+}
+
+
+static void mc9s08dz60_set_value(struct gpio_chip *gc, unsigned offset, int val)
+{
+ struct mc9s08dz60 *mc9s = gpiochip_get_data(gc);
+
+ mc9s08dz60_set(mc9s, offset, val);
+}
+
+static int mc9s08dz60_direction_output(struct gpio_chip *gc,
+ unsigned offset, int val)
+{
+ struct mc9s08dz60 *mc9s = gpiochip_get_data(gc);
+
+ return mc9s08dz60_set(mc9s, offset, val);
+}
+
+static int mc9s08dz60_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct mc9s08dz60 *mc9s;
+
+ mc9s = devm_kzalloc(&client->dev, sizeof(*mc9s), GFP_KERNEL);
+ if (!mc9s)
+ return -ENOMEM;
+
+ mc9s->chip.label = client->name;
+ mc9s->chip.base = -1;
+ mc9s->chip.parent = &client->dev;
+ mc9s->chip.owner = THIS_MODULE;
+ mc9s->chip.ngpio = GPIO_NUM;
+ mc9s->chip.can_sleep = true;
+ mc9s->chip.get = mc9s08dz60_get_value;
+ mc9s->chip.set = mc9s08dz60_set_value;
+ mc9s->chip.direction_output = mc9s08dz60_direction_output;
+ mc9s->client = client;
+ i2c_set_clientdata(client, mc9s);
+
+ return devm_gpiochip_add_data(&client->dev, &mc9s->chip, mc9s);
+}
+
+static const struct i2c_device_id mc9s08dz60_id[] = {
+ {"mc9s08dz60", 0},
+ {},
+};
+
+static struct i2c_driver mc9s08dz60_i2c_driver = {
+ .driver = {
+ .name = "mc9s08dz60",
+ },
+ .probe = mc9s08dz60_probe,
+ .id_table = mc9s08dz60_id,
+};
+builtin_i2c_driver(mc9s08dz60_i2c_driver);