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Commit 53e9cb1d authored by Sebastian Hesselbarth's avatar Sebastian Hesselbarth Committed by Jason Cooper
Browse files

ARM: dove: add si5351 clock driver to CuBox DT 



This patch adds the device tree node for si5351 clock generator
and the corresponding oscillator connected to it. It also limits
i2c frequency to 100kHz as there are bus locks reported on higher
frequencies.

Signed-off-by: default avatarSebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: default avatarJason Cooper <jason@lakedaemon.net>
parent f722406f

arch/arm/boot/dts/dove-cubox.dts

+50 −1
Original line number Diff line number Diff line
@@ -44,11 +44,60 @@ 
			gpio = <&gpio0 1 0>;

		};

	};



	clocks {

		/* 25MHz reference crystal */

		ref25: oscillator {

			compatible = "fixed-clock";

			#clock-cells = <0>;

			clock-frequency = <25000000>;

		};

	};

};



&uart0 { status = "okay"; };

&sata0 { status = "okay"; };

&i2c0 { status = "okay"; };



&i2c0 {

	status = "okay";

	clock-frequency = <100000>;



	si5351: clock-generator {

		compatible = "silabs,si5351a-msop";

		reg = <0x60>;

		#address-cells = <1>;

		#size-cells = <0>;

		#clock-cells = <1>;



		/* connect xtal input to 25MHz reference */

		clocks = <&ref25>;



		/* connect xtal input as source of pll0 and pll1 */

		silabs,pll-source = <0 0>, <1 0>;



		clkout0 {

			reg = <0>;

			silabs,drive-strength = <8>;

			silabs,multisynth-source = <0>;

			silabs,clock-source = <0>;

			silabs,pll-master;

		};



		clkout1 {

			reg = <1>;

			silabs,drive-strength = <8>;

			silabs,multisynth-source = <1>;

			silabs,clock-source = <0>;

			silabs,pll-master;

		};



		clkout2 {

			reg = <2>;

			silabs,multisynth-source = <1>;

			silabs,clock-source = <0>;

		};

	};

};



&sdio0 {

	status = "okay";