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Commit c5dee34e authored by Chen-Yu Tsai's avatar Chen-Yu Tsai Committed by Maxime Ripard
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ARM: dts: sun8i-a83t: Correct low speed oscillator clocks 



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: default avatarChen-Yu Tsai <wens@csie.org>
Signed-off-by: default avatarVishnu Patekar <vishnupatekar0510@gmail.com>
Signed-off-by: default avatarMaxime Ripard <maxime.ripard@free-electrons.com>
parent 6b279560

arch/arm/boot/dts/sun8i-a83t.dtsi

+18 −3
Original line number Diff line number Diff line
@@ -118,6 +118,7 @@ 
		#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 @@ 
			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";

		};

	};