linux-kernel - [PATCH 11/12] arm64: allwinner: dts: r329: add DTSI file for Sipeed Maix IIA

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Date:   Fri, 22 Apr 2022 23:41:14 +0800
From:   icenowy@...look.com
To:     Rob Herring <robh+dt@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Samuel Holland <samuel@...lland.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Andre Przywara <andre.przywara@....com>
Cc:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-sunxi@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Icenowy Zheng <icenowy@...c.io>
Subject: [PATCH 11/12] arm64: allwinner: dts: r329: add DTSI file for Sipeed Maix IIA

From: Icenowy Zheng <icenowy@...c.io>

Sipeed Maix IIA is a R329-N4 (AIPU available and 256MiB DRAM) based SoM,
with a Realtek SDIO Wi-Fi module on it.

Add a DTSI file for it.

Signed-off-by: Icenowy Zheng <icenowy@...c.io>
---
 .../dts/allwinner/sun50i-r329-maix-iia.dtsi   | 34 +++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-r329-maix-iia.dtsi

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-r329-maix-iia.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-r329-maix-iia.dtsi
new file mode 100644
index 000000000000..15774f8a5445
--- /dev/null
+++ b/arch/arm64/boot/dts/allwinner/sun50i-r329-maix-iia.dtsi
@@ -0,0 +1,34 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+// Copyright (c) 2021 Sipeed
+
+#include "sun50i-r329.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+	reg_vcc3v3: vcc3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc3v3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
+
+	wifi_pwrseq: wifi_pwrseq {
+		compatible = "mmc-pwrseq-simple";
+		reset-gpios = <&r_pio 1 0 GPIO_ACTIVE_LOW>; /* PM0 */
+		post-power-on-delay-ms = <200>;
+	};
+};
+
+&mmc1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc1_clk_pg0>, <&mmc1_cmd_pg1>, <&mmc1_d0_pg2>,
+		    <&mmc1_d1_pg3>, <&mmc1_d2_pg4>, <&mmc1_d3_pg5>;
+
+	vmmc-supply = <&reg_vcc3v3>;
+	vqmmc-supply = <&reg_vcc3v3>;
+	mmc-pwrseq = <&wifi_pwrseq>;
+	bus-width = <4>;
+	non-removable;
+	status = "okay";
+};
-- 
2.35.1