linux-kernel - [PATCH 4/5] ARM: gemini: add device tree for edimax NS2502

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Message-Id: <20210517193205.691147-5-clabbe@baylibre.com>
Date:   Mon, 17 May 2021 19:32:04 +0000
From:   Corentin Labbe <clabbe@...libre.com>
To:     arnd@...db.de, linus.walleij@...aro.org, olof@...om.net,
        robh+dt@...nel.org, soc@...nel.org, ulli.kroll@...glemail.com
Cc:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, Corentin Labbe <clabbe@...libre.com>
Subject: [PATCH 4/5] ARM: gemini: add device tree for edimax NS2502

The edimax NS2502 is a NAS box running a SL3516 SoC.

Signed-off-by: Corentin Labbe <clabbe@...libre.com>
---
 arch/arm/boot/dts/Makefile          |   1 +
 arch/arm/boot/dts/gemini-ns2502.dts | 141 ++++++++++++++++++++++++++++
 2 files changed, 142 insertions(+)
 create mode 100644 arch/arm/boot/dts/gemini-ns2502.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 1754b562e0b9..bb30d13c9c60 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -216,6 +216,7 @@ dtb-$(CONFIG_ARCH_GEMINI) += \
 	gemini-dlink-dir-685.dtb \
 	gemini-dlink-dns-313.dtb \
 	gemini-nas4220b.dtb \
+	gemini-ns2502.dtb \
 	gemini-rut1xx.dtb \
 	gemini-sl93512r.dtb \
 	gemini-sq201.dtb \
diff --git a/arch/arm/boot/dts/gemini-ns2502.dts b/arch/arm/boot/dts/gemini-ns2502.dts
new file mode 100644
index 000000000000..a23745dc20f4
--- /dev/null
+++ b/arch/arm/boot/dts/gemini-ns2502.dts
@@ -0,0 +1,141 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2021 Corentin Labbe <clabbe@...libre.com>
+ * Device Tree file for Edimax NS 2502
+ */
+
+/dts-v1/;
+
+#include "gemini.dtsi"
+
+/ {
+	model = "Edimax NS-2502";
+	compatible = "edimax,ns-2502", "cortina,gemini";
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	memory@0 {
+		/* 128 MB */
+		device_type = "memory";
+		reg = <0x00000000 0x8000000>;
+	};
+
+	aliases {
+		mdio-gpio0 = &mdio0;
+	};
+
+	chosen {
+		bootargs = "console=ttyS0,19200n8";
+		stdout-path = &uart0;
+	};
+
+	mdio0: mdio {
+		compatible = "virtual,mdio-gpio";
+		gpios = <&gpio0 22 GPIO_ACTIVE_HIGH>, /* MDC */
+			<&gpio0 21 GPIO_ACTIVE_HIGH>; /* MDIO */
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		phy0: ethernet-phy@1 {
+			reg = <1>;
+			device_type = "ethernet-phy";
+			/* We lack the knowledge of necessary GPIO to achieve
+			 * Gigabit
+			 */
+			max-speed = <100>;
+		};
+	};
+};
+
+&ethernet {
+	status = "okay";
+	ethernet-port@0 {
+		phy-mode = "rgmii";
+		phy-handle = <&phy0>;
+	};
+};
+
+&flash {
+	status = "okay";
+	/* 8MB of flash */
+	reg = <0x30000000 0x00800000>;
+
+	partitions {
+		compatible = "fixed-partitions";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		partition@0 {
+			label = "RedBoot";
+			reg = <0x00000000 0x00020000>;
+			read-only;
+		};
+		partition@...00 {
+			label = "kernel";
+			reg = <0x00020000 0x00700000>;
+		};
+		partition@...000 {
+			label = "VCTL";
+			reg = <0x00720000 0x00020000>;
+			read-only;
+		};
+		partition@...000 {
+			label = "CurConf";
+			reg = <0x00740000 0x000a0000>;
+			read-only;
+		};
+		partition@...000 {
+			label = "FIS";
+			reg = <0x007e0000 0x00010000>;
+			read-only;
+		};
+	};
+};
+
+&gpio0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&gpio0_default_pins>;
+};
+
+&ide0 {
+	status = "okay";
+};
+
+&ide1 {
+	status = "okay";
+};
+
+&sata {
+	cortina,gemini-ata-muxmode = <3>;
+	cortina,gemini-enable-sata-bridge;
+	status = "okay";
+};
+
+&syscon {
+	pinctrl {
+		/*
+		 * gpio0agrp cover line 0-4
+		 * gpio0bgrp cover line 5
+		 */
+		gpio0_default_pins: pinctrl-gpio0 {
+			    mux {
+				    function = "gpio0";
+				    groups = "gpio0agrp", "gpio0bgrp", "gpio0hgrp";
+			    };
+		    };
+		    pinctrl-gmii {
+			    mux {
+				    function = "gmii";
+				    groups = "gmii_gmac0_grp";
+			    };
+		    };
+	};
+};
+
+&usb0 {
+	status = "okay";
+};
+
+&usb1 {
+	status = "okay";
+};
-- 
2.26.3