The mezzanine board carries an E key type M.2 slot. This is connected to USB, SDIO and UART0. Enable sdio and uart0 for use with wlan and/or bt M.2 cards. Signed-off-by: Markus Reichl <m.reichl@xxxxxxxxxxxxx> --- Wifi via SDIO has been tested with Laird ST60-2230C (Marvell 88W8997) Bluetoth via USB has been tested with Intel 9260 Bluetooth via UART has not been tested. --- Patch 1/3 of this series has been merged already [1] Patch 2/3 of this series needs further discussion [2] [1] https://lkml.org/lkml/2019/12/10/516 [2] https://lkml.org/lkml/2019/12/10/517 --- .../dts/rockchip/rk3399-roc-pc-mezzanine.dts | 21 +++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3399-roc-pc-mezzanine.dts b/arch/arm64/boot/dts/rockchip/rk3399-roc-pc-mezzanine.dts index 2db9d32ad54a..2acb3d500fb9 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-roc-pc-mezzanine.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-roc-pc-mezzanine.dts @@ -70,3 +70,24 @@ pcie_perst: pcie-perst { }; }; }; + +&sdio0 { + bus-width = <4>; + cap-sd-highspeed; + cap-sdio-irq; + keep-power-in-suspend; + mmc-pwrseq = <&sdio_pwrseq>; + non-removable; + pinctrl-names = "default"; + pinctrl-0 = <&sdio0_bus4 &sdio0_cmd &sdio0_clk>; + sd-uhs-sdr104; + vmmc-supply = <&vcc3v3_ngff>; + vqmmc-supply = <&vcc_1v8>; + status = "okay"; +}; + +&uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&uart0_xfer &uart0_cts &uart0_rts>; + status = "okay"; +}; -- 2.24.0
