diff options
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/nyan/bootblock.c | 4 | ||||
| -rw-r--r-- | src/mainboard/google/nyan/mainboard.c | 15 | ||||
| -rw-r--r-- | src/mainboard/google/nyan_big/bootblock.c | 4 | ||||
| -rw-r--r-- | src/mainboard/google/nyan_big/mainboard.c | 15 |
4 files changed, 26 insertions, 12 deletions
diff --git a/src/mainboard/google/nyan/bootblock.c b/src/mainboard/google/nyan/bootblock.c index c168550541..2b033a6f48 100644 --- a/src/mainboard/google/nyan/bootblock.c +++ b/src/mainboard/google/nyan/bootblock.c @@ -40,8 +40,8 @@ static void set_clock_sources(void) clock_configure_source(mselect, PLLP, 102000); - /* TODO: is the 1.333MHz correct? This may have always been bogus... */ - clock_configure_source(i2c5, CLK_M, 1333); + /* The PMIC is on I2C5 and can run at 400 KHz. */ + clock_configure_i2c_scl_freq(i2c5, PLLP, 400); /* TODO: We should be able to set this to 50MHz, but that did not seem * reliable. */ 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); diff --git a/src/mainboard/google/nyan_big/bootblock.c b/src/mainboard/google/nyan_big/bootblock.c index e88765fa0d..05bb1c94c0 100644 --- a/src/mainboard/google/nyan_big/bootblock.c +++ b/src/mainboard/google/nyan_big/bootblock.c @@ -40,8 +40,8 @@ static void set_clock_sources(void) clock_configure_source(mselect, PLLP, 102000); - /* TODO: is the 1.333MHz correct? This may have always been bogus... */ - clock_configure_source(i2c5, CLK_M, 1333); + /* The PMIC is on I2C5 and can run at 400 KHz. */ + clock_configure_i2c_scl_freq(i2c5, PLLP, 400); /* TODO: We should be able to set this to 50MHz, but that did not seem * reliable. */ diff --git a/src/mainboard/google/nyan_big/mainboard.c b/src/mainboard/google/nyan_big/mainboard.c index 309b0b92ee..49f644ff11 100644 --- a/src/mainboard/google/nyan_big/mainboard.c +++ b/src/mainboard/google/nyan_big/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); |