dm: i2c: tegra: Convert to driver model

[J-u-boot.git] / board / toradex / apalis_t30 / apalis_t30.c

diff --git a/board/toradex/apalis_t30/apalis_t30.c b/board/toradex/apalis_t30/apalis_t30.c
index b9d694a2688a832db433033a7d1fa9b5ccaef6e6..5d2c024e890b9ffab6401517ce75bd33a759b70a 100644 (file)
--- a/board/toradex/apalis_t30/apalis_t30.c
+++ b/board/toradex/apalis_t30/apalis_t30.c
@@ -6,7 +6,7 @@
  */
 
 #include <common.h>
-
+#include <dm.h>
 #include <asm/arch/gp_padctrl.h>
 #include <asm/arch/pinmux.h>
 #include <asm/gpio.h>
@@ -38,23 +38,20 @@ void pinmux_init(void)
 #ifdef CONFIG_PCI_TEGRA
 int tegra_pcie_board_init(void)
 {
-       unsigned int old_bus;
+       struct udevice *dev;
        u8 addr, data[1];
        int err;
 
-       old_bus = i2c_get_bus_num();
-
-       err = i2c_set_bus_num(0);
+       err = i2c_get_chip_for_busnum(0, PMU_I2C_ADDRESS, &dev);
        if (err) {
-               debug("failed to set I2C bus\n");
+               debug("%s: Cannot find PMIC I2C chip\n", __func__);
                return err;
        }
-
        /* TPS659110: VDD2_OP_REG = 1.05V */
        data[0] = 0x27;
        addr = 0x25;
 
-       err = i2c_write(PMU_I2C_ADDRESS, addr, 1, data, 1);
+       err = i2c_write(dev, addr, data, 1);
        if (err) {
                debug("failed to set VDD supply\n");
                return err;
@@ -64,7 +61,7 @@ int tegra_pcie_board_init(void)
        data[0] = 0x0D;
        addr = 0x24;
 
-       err = i2c_write(PMU_I2C_ADDRESS, addr, 1, data, 1);
+       err = i2c_write(dev, addr, data, 1);
        if (err) {
                debug("failed to enable VDD supply\n");
                return err;
@@ -74,14 +71,12 @@ int tegra_pcie_board_init(void)
        data[0] = 0x0D;
        addr = 0x35;
 
-       err = i2c_write(PMU_I2C_ADDRESS, addr, 1, data, 1);
+       err = i2c_write(dev, addr, data, 1);
        if (err) {
                debug("failed to set AVDD supply\n");
                return err;
        }
 
-       i2c_set_bus_num(old_bus);
-
        return 0;
 }