imx: Use MXC_I2C_CLK in imx i2c driver

[platform/kernel/u-boot.git] / drivers / i2c / mxc_i2c.c

diff --git a/drivers/i2c/mxc_i2c.c b/drivers/i2c/mxc_i2c.c
index c00ead1..18270b9 100644 (file)
--- a/drivers/i2c/mxc_i2c.c
+++ b/drivers/i2c/mxc_i2c.c
@@ -98,7 +98,7 @@ static uint8_t i2c_imx_get_clk(unsigned int rate)
 #endif
 
        /* Divider value calculation */
-       i2c_clk_rate = mxc_get_clock(MXC_IPG_PERCLK);
+       i2c_clk_rate = mxc_get_clock(MXC_I2C_CLK);
        div = (i2c_clk_rate + rate - 1) / rate;
        if (div < i2c_clk_div[0][0])
                clk_div = 0;
@@ -142,7 +142,7 @@ unsigned int bus_i2c_get_bus_speed(void *base)
        for (clk_div = 0; i2c_clk_div[clk_div][1] != clk_idx; clk_div++)
                ;
 
-       return mxc_get_clock(MXC_IPG_PERCLK) / i2c_clk_div[clk_div][0];
+       return mxc_get_clock(MXC_I2C_CLK) / i2c_clk_div[clk_div][0];
 }
 
 #define ST_BUS_IDLE (0 | (I2SR_IBB << 8))
@@ -416,6 +416,23 @@ static int i2c_idle_bus(void *base)
        return 0;
 }
 
+#ifdef CONFIG_I2C_MULTI_BUS
+unsigned int i2c_get_bus_num(void)
+{
+       return srdata.curr_i2c_bus;
+}
+
+int i2c_set_bus_num(unsigned bus_idx)
+{
+       if (bus_idx >= ARRAY_SIZE(srdata.i2c_data))
+               return -1;
+       if (!srdata.i2c_data[bus_idx].base)
+               return -1;
+       srdata.curr_i2c_bus = bus_idx;
+       return 0;
+}
+#endif
+
 int i2c_read(uchar chip, uint addr, int alen, uchar *buf, int len)
 {
        return bus_i2c_read(get_base(), chip, addr, alen, buf, len);