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 e.g. 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.
---
---
.../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
