diff --git a/arch/arm/cpu/tegra20-common/clock.c b/arch/arm/cpu/tegra20-common/clock.c
index d55fbc87c34001658a3b3fcd1291958307e61b62..7b9e10cd93ae37e7b42a4f3763a58029a1696767 100644
--- a/arch/arm/cpu/tegra20-common/clock.c
+++ b/arch/arm/cpu/tegra20-common/clock.c
@@ -333,7 +333,7 @@ static s8 periph_id_to_internal_id[PERIPH_ID_COUNT] = {
 	/* 0x48 */
 	NONE(AFI),
 	NONE(CORESIGHT),
-	NONE(RESERVED74),
+	NONE(PCIEXCLK),
 	NONE(AVPUCQ),
 	NONE(RESERVED76),
 	NONE(RESERVED77),
@@ -495,7 +495,7 @@ enum periph_id clk_id_to_periph_id(int clk_id)
 	case PERIPH_ID_RESERVED30:
 	case PERIPH_ID_RESERVED35:
 	case PERIPH_ID_RESERVED56:
-	case PERIPH_ID_RESERVED74:
+	case PERIPH_ID_PCIEXCLK:
 	case PERIPH_ID_RESERVED76:
 	case PERIPH_ID_RESERVED77:
 	case PERIPH_ID_RESERVED78:
diff --git a/arch/arm/cpu/tegra30-common/clock.c b/arch/arm/cpu/tegra30-common/clock.c
index 8e5c4988821974f377ff1ef05d22eea69fc4485f..0eb0f0ade37c518ae27707ba0c433fc4db12da01 100644
--- a/arch/arm/cpu/tegra30-common/clock.c
+++ b/arch/arm/cpu/tegra30-common/clock.c
@@ -564,6 +564,7 @@ enum periph_id clk_id_to_periph_id(int clk_id)
 	case PERIPH_ID_RESERVED43:
 	case PERIPH_ID_RESERVED45:
 	case PERIPH_ID_RESERVED56:
+	case PERIPH_ID_PCIEXCLK:
 	case PERIPH_ID_RESERVED76:
 	case PERIPH_ID_RESERVED77:
 	case PERIPH_ID_RESERVED78:
diff --git a/arch/arm/include/asm/arch-tegra20/clock-tables.h b/arch/arm/include/asm/arch-tegra20/clock-tables.h
index a09cb01978637e27b486aeca53673238fe8bf097..894be088cde2dcfae35d7593d864491cfd90b86f 100644
--- a/arch/arm/include/asm/arch-tegra20/clock-tables.h
+++ b/arch/arm/include/asm/arch-tegra20/clock-tables.h
@@ -131,7 +131,7 @@ enum periph_id {
 	/* 72 */
 	PERIPH_ID_AFI,
 	PERIPH_ID_CORESIGHT,
-	PERIPH_ID_RESERVED74,
+	PERIPH_ID_PCIEXCLK,
 	PERIPH_ID_AVPUCQ,
 	PERIPH_ID_RESERVED76,
 	PERIPH_ID_RESERVED77,