diff options
author | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2015-04-27 18:50:24 +0200 |
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committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2015-04-27 18:50:24 +0200 |
commit | e71d9d539de32b1404c1784f2da9aa2ca497f1c7 (patch) | |
tree | 444e10e151c950827423bbd146899e7583ab7e37 /arch | |
parent | b8fd3a6dc54188208249b4e5c7d6c05fcafd5900 (diff) |
colibri_t20: add i2c support
Add I2C support in order to subsequently allow disabling the PMIC sleep
mode on low supply voltage.
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/dts/tegra20-colibri.dts | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/arm/dts/tegra20-colibri.dts b/arch/arm/dts/tegra20-colibri.dts index ae40bad9ffb..42efcdc6ccf 100644 --- a/arch/arm/dts/tegra20-colibri.dts +++ b/arch/arm/dts/tegra20-colibri.dts @@ -11,6 +11,9 @@ }; aliases { + i2c0 = "/i2c@7000d000"; + i2c1 = "/i2c@7000c000"; + i2c2 = "/i2c@7000c400"; usb0 = "/usb@c5008000"; usb1 = "/usb@c5000000"; usb2 = "/usb@c5004000"; @@ -52,6 +55,31 @@ }; }; + /* + * GEN1_I2C: I2C_SDA/SCL on SODIMM pin 194/196 (e.g. RTC on carrier + * board) + */ + i2c@7000c000 { + status = "okay"; + clock-frequency = <100000>; + }; + + /* GEN2_I2C: unused */ + + /* DDC_CLOCK/DATA on X3 pin 15/16 (e.g. display EDID) */ + i2c@7000c400 { + status = "okay"; + clock-frequency = <100000>; + }; + + /* + * PWR_I2C: power I2C to PMIC and temperature sensor + */ + i2c@7000d000 { + status = "okay"; + clock-frequency = <100000>; + }; + sdhci@c8000600 { status = "okay"; cd-gpios = <&gpio TEGRA_GPIO(C, 7) GPIO_ACTIVE_LOW>; |