diff --git a/src/mainboard/google/nyan/romstage.c b/src/mainboard/google/nyan/romstage.c
index eeec9bdb56..7310cc873a 100644
--- a/src/mainboard/google/nyan/romstage.c
+++ b/src/mainboard/google/nyan/romstage.c
@@ -129,7 +129,7 @@ static void setup_pinmux(void)
 
 static void configure_ec_spi_bus(void)
 {
-	clock_configure_source(sbc1, PLLP, 5000);
+	clock_configure_source(sbc1, CLK_M, 3000);
 }
 
 static void configure_tpm_i2c_bus(void)
diff --git a/src/mainboard/google/nyan_big/romstage.c b/src/mainboard/google/nyan_big/romstage.c
index 6327c97ba3..d7cc1bf3a3 100644
--- a/src/mainboard/google/nyan_big/romstage.c
+++ b/src/mainboard/google/nyan_big/romstage.c
@@ -129,7 +129,7 @@ static void setup_pinmux(void)
 
 static void configure_ec_spi_bus(void)
 {
-	clock_configure_source(sbc1, PLLP, 5000);
+	clock_configure_source(sbc1, CLK_M, 3000);
 }
 
 static void configure_tpm_i2c_bus(void)
diff --git a/src/mainboard/google/nyan_blaze/romstage.c b/src/mainboard/google/nyan_blaze/romstage.c
index 6327c97ba3..d7cc1bf3a3 100644
--- a/src/mainboard/google/nyan_blaze/romstage.c
+++ b/src/mainboard/google/nyan_blaze/romstage.c
@@ -129,7 +129,7 @@ static void setup_pinmux(void)
 
 static void configure_ec_spi_bus(void)
 {
-	clock_configure_source(sbc1, PLLP, 5000);
+	clock_configure_source(sbc1, CLK_M, 3000);
 }
 
 static void configure_tpm_i2c_bus(void)