On Fri, May 18, 2012 at 5:12 AM, Rajeshwari Shinde <rajeshwari.s@samsung.com
wrote:
This adds multiple i2c channel support for I2C.
Signed-off-by: Alim Akhtar alim.akhtar@samsung.com Signed-off-by: Rajeshwari Shinde rajeshwari.s@samsung.com
Acked-by: Simon Glass sjg@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 61b54a9..39875cd 100644 --- a/drivers/i2c/s3c24x0_i2c.c +++ b/drivers/i2c/s3c24x0_i2c.c @@ -189,6 +189,33 @@ 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