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-rw-r--r--src/mainboard/google/nyan/mainboard.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/src/mainboard/google/nyan/mainboard.c b/src/mainboard/google/nyan/mainboard.c
index dbca03ccae..a96236bcfa 100644
--- a/src/mainboard/google/nyan/mainboard.c
+++ b/src/mainboard/google/nyan/mainboard.c
@@ -53,10 +53,11 @@ static void set_clock_sources(void)
clock_configure_irregular_source(extperiph1, CLK_M, 12000, 3);
/*
- * I2S1 can use either PLLP or PLLA. Using PLLP is sufficient now since
- * we only need 4.8MHz. Note the source id of PLLP for I2S is 4.
+ * We need 1.5MHz. So, we use CLK_M. CLK_DIVIDER macro returns a divisor
+ * (0xe) a little bit off from the ideal value (0xd) but it's good
+ * enough for beeps. The source id of CLK_M for I2S is 6.
*/
- clock_configure_irregular_source(i2s1, PLLP, 4800, 4);
+ clock_configure_irregular_source(i2s1, CLK_M, 1500, 6);
/* Note source id of PLLP for HOST1x is 4. */
clock_configure_irregular_source(host1x, PLLP, 408000, 4);