diff options
-rw-r--r-- | arch/arm64/boot/dts/qcom/msm8994-msft-lumia-octagon.dtsi | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/qcom/msm8994-msft-lumia-octagon.dtsi b/arch/arm64/boot/dts/qcom/msm8994-msft-lumia-octagon.dtsi index 730bd473be6b..0417c31316d3 100644 --- a/arch/arm64/boot/dts/qcom/msm8994-msft-lumia-octagon.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8994-msft-lumia-octagon.dtsi @@ -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"; |