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tegra: fdt: Add clock bindings for Tegra2 Seaboard

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Add the definition of the oscillator clock frequency and the 32KHz clock.
The latter is provided by a PMIC on I2C which we don't actually use at
present, but we expect this definition to be used in the kernel and want
to keep our .dts the same.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
This commit is contained in:
Simon Glass 2012-02-28 08:07:49 +00:00 committed by Albert ARIBAUD
parent 1f1a02123c
commit cd474cbae6
1 changed files with 27 additions and 0 deletions
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27
board/nvidia/dts/tegra2-seaboard.dts
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@ -16,6 +16,33 @@
reg = < 0x00000000 0x40000000 >;
};
/* This is not used in U-Boot, but is expected to be in kernel .dts */
i2c@7000d000 {
pmic@34 {
compatible = "ti,tps6586x";
reg = <0x34>;
clk_32k: clock {
compatible = "fixed-clock";
/*
* leave out for now due to CPP:
* #clock-cells = <0>;
*/
clock-frequency = <32768>;
};
};
};
clocks {
osc {
clock-frequency = <12000000>;
};
};
clock@60006000 {
clocks = <&clk_32k &osc>;
};
serial@70006300 {
clock-frequency = < 216000000 >;
};