Hi,
2012/6/7 Rajeshwari Shinde rajeshwari.s@samsung.com:
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 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);
This causes duplicated pin configuration whenever calls i2c_set_bus_num().
- return 0;
+}
+unsigned int i2c_get_bus_num(void) +{
- return g_current_bus;
+} +#endif
Does only EXYNOS5 support CONFIG_I2C_MULTI_BUS?
#ifdef CONFIG_EXYNOS5 void i2c_init(int speed, int slaveadd) { -- 1.7.4.4
U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
Thanks.