linux-arm-kernel.lists.infradead.org archive mirror
 help / color / mirror / Atom feed
* [PATCH 3/3] arm64: dts: rockchip: Enable sdio0 and uart0 on rk3399-roc-pc-mezzanine
@ 2019-12-10 12:45 Markus Reichl
  0 siblings, 0 replies; only message in thread
From: Markus Reichl @ 2019-12-10 12:45 UTC (permalink / raw)
  To: Rob Herring, Mark Rutland, Heiko Stuebner, Jagan Teki,
	Markus Reichl, devicetree, linux-arm-kernel, linux-rockchip,
	linux-kernel

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@fivetechno.de>
---
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


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

^ permalink raw reply related	[flat|nested] only message in thread

only message in thread, other threads:[~2019-12-10 12:45 UTC | newest]

Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-12-10 12:45 [PATCH 3/3] arm64: dts: rockchip: Enable sdio0 and uart0 on rk3399-roc-pc-mezzanine Markus Reichl

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).