On 02/06/2013 04:26 PM, Tom Warren wrote:
> Note that T114 does not have a separate/different DVC (power I2C)
> controller like T20 - all 5 I2C controllers are identical, but
> I2C5 is used to designate the controller intended for power
> control (PWR_I2C in the schematics).
> diff --git a/arch/arm/dts/tegra114.dtsi b/arch/arm/dts/tegra114.dtsi
> + tegra_car: clock@60006000 {
> + compatible = "nvidia,tegra114-car, nvidia,tegra30-car";
Only the Tegra114 value should be listed here; the presence of the
Tegra30 value in the upstream kernel is a mistake that will be fixed as
part of the Tegra114 clock driver patches.
> + i2c@7000c000 {
> + compatible = "nvidia,tegra114-i2c", "nvidia,tegra20-i2c";
Same here; only include the Tegra114 value since the HW isn't 100%
compatible with the Tegra20 HW.
> diff --git a/board/nvidia/dts/tegra114-dalmore.dts
> b/board/nvidia/dts/tegra114-dalmore.dts
> + i2c@7000d000 {
> + status = "okay";
> + clock-frequency = <100000>;
> + };
According to our downstream Linux kernel, that I2C controller can run up
to 400KHz on this board.
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