diff options
Diffstat (limited to 'src/mainboard/google/nyan/mainboard.c')
| -rw-r--r-- | src/mainboard/google/nyan/mainboard.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/src/mainboard/google/nyan/mainboard.c b/src/mainboard/google/nyan/mainboard.c index 205051a09e..35ded72e0a 100644 --- a/src/mainboard/google/nyan/mainboard.c +++ b/src/mainboard/google/nyan/mainboard.c @@ -34,10 +34,17 @@ static struct clk_rst_ctlr *clk_rst = (void *)TEGRA_CLK_RST_BASE; static void set_clock_sources(void) { - clock_configure_source(i2c1, CLK_M, 1333); - clock_configure_source(i2c2, CLK_M, 1333); - clock_configure_source(i2c3, CLK_M, 1333); - clock_configure_source(i2c4, CLK_M, 1333); + /* + * The max98090 codec and the temperature sensor are on I2C1. These + * can both run at 400 KHz, but the kernel sets the bus to 100 KHz. + */ + clock_configure_i2c_scl_freq(i2c1, PLLP, 100); + /* + * The TPM is on I2C3 and can theoretically run at 400 KHz but doesn't + * seem to work above around 40 KHz. It's set to run at 100 KHz in the + * kernel. + */ + clock_configure_i2c_scl_freq(i2c3, PLLP, 40); clock_configure_source(sbc1, PLLP, 5000); |