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ARM: dts: sun8i-a83t: Correct low speed oscillator clocks

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The A83T does not have a 32.768 kHz low speed oscillator, either as
an external crystal or input. It has a 16 MHz RC-based (inaccurate)
internal oscillator, which is then divided by 512 for a clock close
to 32 kHz.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Vishnu Patekar <vishnupatekar0510@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
This commit is contained in:
Chen-Yu Tsai 2016-01-31 09:20:58 +08:00 committed by Maxime Ripard
parent 6b279560dd
commit c5dee34e5c
1 changed files with 18 additions and 3 deletions
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21
arch/arm/boot/dts/sun8i-a83t.dtsi
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@ -118,6 +118,7 @@ clocks {
#size-cells = <1>;
ranges;
/* TODO: PRCM block has a mux for this. */
osc24M: osc24M_clk {
#clock-cells = <0>;
compatible = "fixed-clock";
@ -125,11 +126,25 @@ osc24M: osc24M_clk {
clock-output-names = "osc24M";
};
osc32k: osc32k_clk {
/*
* This is called "internal OSC" in some places.
* It is an internal RC-based oscillator.
* TODO: Its controls are in the PRCM block.
*/
osc16M: osc16M_clk {
#clock-cells = <0>;
compatible = "fixed-clock";
clock-frequency = <32768>;
clock-output-names = "osc32k";
clock-frequency = <16000000>;
clock-output-names = "osc16M";
};
osc16Md512: osc16Md512_clk {
#clock-cells = <0>;
compatible = "fixed-factor-clock";
clock-div = <512>;
clock-mult = <1>;
clocks = <&osc16M>;
clock-output-names = "osc16M-d512";
};
};