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-rw-r--r--arch/arm/mach-tegra/board-harmony-power.c25
1 files changed, 24 insertions, 1 deletions
diff --git a/arch/arm/mach-tegra/board-harmony-power.c b/arch/arm/mach-tegra/board-harmony-power.c
index 82f32300796c..44dcb2e869b5 100644
--- a/arch/arm/mach-tegra/board-harmony-power.c
+++ b/arch/arm/mach-tegra/board-harmony-power.c
@@ -20,6 +20,10 @@
#include <linux/gpio.h>
#include <linux/regulator/machine.h>
#include <linux/mfd/tps6586x.h>
+#include <linux/of.h>
+#include <linux/of_i2c.h>
+
+#include <asm/mach-types.h>
#include <mach/irqs.h>
@@ -110,7 +114,26 @@ static struct i2c_board_info __initdata harmony_regulators[] = {
int __init harmony_regulator_init(void)
{
- i2c_register_board_info(3, harmony_regulators, 1);
+ if (machine_is_harmony()) {
+ i2c_register_board_info(3, harmony_regulators, 1);
+ } else { /* Harmony, booted using device tree */
+ struct device_node *np;
+ struct i2c_adapter *adapter;
+
+ np = of_find_node_by_path("/i2c@7000d000");
+ if (np == NULL) {
+ pr_err("Could not find device_node for DVC I2C\n");
+ return -ENODEV;
+ }
+
+ adapter = of_find_i2c_adapter_by_node(np);
+ if (!adapter) {
+ pr_err("Could not find i2c_adapter for DVC I2C\n");
+ return -ENODEV;
+ }
+
+ i2c_new_device(adapter, harmony_regulators);
+ }
return 0;
}