diff --git a/arch/arm/mach-tegra/board-harmony-power.c b/arch/arm/mach-tegra/board-harmony-power.c index 5ad8b2f94f8d..21d1285731b3 100644 --- a/arch/arm/mach-tegra/board-harmony-power.c +++ b/arch/arm/mach-tegra/board-harmony-power.c @@ -18,10 +18,11 @@ #include #include #include - +#include #include #include +#include #include #include "board-harmony.h" @@ -113,6 +114,16 @@ static struct i2c_board_info __initdata harmony_regulators[] = { int __init harmony_regulator_init(void) { + void __iomem *pmc = IO_ADDRESS(TEGRA_PMC_BASE); + u32 pmc_ctrl; + + /* + * Configure the power management controller to trigger PMU + * interrupts when low + */ + pmc_ctrl = readl(pmc + PMC_CTRL); + writel(pmc_ctrl | PMC_CTRL_INTR_LOW, pmc + PMC_CTRL); + i2c_register_board_info(3, harmony_regulators, 1); return 0;