Commit 8b65237e authored by Gustave Monce's avatar Gustave Monce Committed by Bjorn Andersson
Browse files

arm64: dts: qcom: msm8994-octagon: Configure Lattice iCE40 FPGA 



Octagon devices have a Lattice iCE40 FPGA connected over SPI.
Configure it.

Signed-off-by: default avatarGustave Monce <gustave.monce@outlook.com>
Signed-off-by: default avatarKonrad Dybcio <konrad.dybcio@somainline.org>
Link: https://lore.kernel.org/r/20210131013853.55810-13-konrad.dybcio@somainline.org


Signed-off-by: default avatarBjorn Andersson <bjorn.andersson@linaro.org>
parent 09179fb6

arch/arm64/boot/dts/qcom/msm8994-msft-lumia-octagon.dtsi

+21 −0
Original line number Diff line number Diff line
@@ -304,6 +304,27 @@ 
	status = "okay";

};



&blsp2_spi4 {

	status = "okay";



	/*

	 * This device is a Lattice UC120 USB-C PD PHY.

	 * It is actually a Lattice iCE40 FPGA pre-programmed by

	 * the device firmware with a specific bitstream

	 * enabling USB Type C PHY functionality.

	 * Communication is done via a proprietary protocol over SPI.

	 *

	 * TODO: Once a proper driver is available, replace this.

	 */

	uc120: ice5lp2k@0 {

		compatible = "lattice,ice40-fpga-mgr";

		reg = <0>;

		spi-max-frequency = <5000000>;

		cdone-gpios = <&tlmm 95 GPIO_ACTIVE_HIGH>;

		reset-gpios = <&pmi8994_gpios 4 GPIO_ACTIVE_LOW>;

	};

};



&blsp2_uart2 {

	status = "okay";