linux-kernel - [RESEND PATCH 3/3] arm64: dts: rockchip: Enable sdio0 and uart0 on rk3399-roc-pc-mezzanine

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Date:   Thu,  9 Jan 2020 16:42:10 +0100
From:   Markus Reichl <m.reichl@...etechno.de>
To:     linux-rockchip@...ts.infradead.org,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Heiko Stuebner <heiko@...ech.de>
Cc:     Markus Reichl <m.reichl@...etechno.de>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [RESEND PATCH 3/3] arm64: dts: rockchip: Enable sdio0 and uart0 on rk3399-roc-pc-mezzanine

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@...etechno.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.
---
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