dm: i2c: tegra: Convert to driver model

[platform/kernel/u-boot.git] / board / nvidia / cardhu / cardhu.c

diff --git a/board/nvidia/cardhu/cardhu.c b/board/nvidia/cardhu/cardhu.c
index cc0e5e1..026f45c 100644 (file)
--- a/board/nvidia/cardhu/cardhu.c
+++ b/board/nvidia/cardhu/cardhu.c
@@ -6,6 +6,7 @@
  */
 
 #include <common.h>
+#include <dm.h>
 #include <asm/arch/pinmux.h>
 #include <asm/arch/gp_padctrl.h>
 #include "pinmux-config-cardhu.h"
@@ -37,17 +38,23 @@ void pinmux_init(void)
  */
 void board_sdmmc_voltage_init(void)
 {
+       struct udevice *dev;
        uchar reg, data_buffer[1];
+       int ret;
        int i;
 
-       i2c_set_bus_num(0);     /* PMU is on bus 0 */
+       ret = i2c_get_chip_for_busnum(0, PMU_I2C_ADDRESS, &dev);
+       if (ret) {
+               debug("%s: Cannot find PMIC I2C chip\n", __func__);
+               return;
+       }
 
        /* TPS659110: LDO5_REG = 3.3v, ACTIVE to SDMMC1 */
        data_buffer[0] = 0x65;
        reg = 0x32;
 
        for (i = 0; i < MAX_I2C_RETRY; ++i) {
-               if (i2c_write(PMU_I2C_ADDRESS, reg, 1, data_buffer, 1))
+               if (i2c_write(dev, reg, data_buffer, 1))
                        udelay(100);
        }
 
@@ -56,7 +63,7 @@ void board_sdmmc_voltage_init(void)
        reg = 0x67;
 
        for (i = 0; i < MAX_I2C_RETRY; ++i) {
-               if (i2c_write(PMU_I2C_ADDRESS, reg, 1, data_buffer, 1))
+               if (i2c_write(dev, reg, data_buffer, 1))
                        udelay(100);
        }
 }