This adds multiple i2c channel support for I2C.
Signed-off-by: Alim Akhtar <alim.akh...@samsung.com>
Signed-off-by: Rajeshwari Shinde <rajeshwar...@samsung.com>
Acked-by: Simon Glass <s...@chromium.org>
---
drivers/i2c/s3c24x0_i2c.c | 27 +++++++++++++++++++++++++++
1 files changed, 27 insertions(+), 0 deletions(-)
diff --git a/drivers/i2c/s3c24x0_i2c.c b/drivers/i2c/s3c24x0_i2c.c
index a71f147..7521cb8 100644
--- a/drivers/i2c/s3c24x0_i2c.c
+++ b/drivers/i2c/s3c24x0_i2c.c
@@ -191,6 +191,33 @@ static void i2c_bus_init(struct s3c24x0_i2c *i2c, unsigned
int bus)
i2c_ch_init(i2c, CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
}
+/*
+ * MULTI BUS I2C support
+ */
+
+#ifdef CONFIG_I2C_MULTI_BUS
+int i2c_set_bus_num(unsigned int bus)
+{
+ struct s3c24x0_i2c *i2c;
+
+ if ((bus < 0) || (bus >= CONFIG_MAX_I2C_NUM)) {
+ debug("Bad bus: %d\n", bus);
+ return -1;
+ }
+
+ g_current_bus = bus;
+ i2c = get_base_i2c(g_current_bus);
+ i2c_bus_init(i2c, g_current_bus);
+
+ return 0;
+}
+
+unsigned int i2c_get_bus_num(void)
+{
+ return g_current_bus;
+}
+#endif
+
#ifdef CONFIG_EXYNOS5
void i2c_init(int speed, int slaveadd)
{
--
1.7.4.4
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