staging: mt7621-dts: add dts files

Add device tree source for mt7621 and gnubee1 to
make testing easier.

Signed-off-by: NeilBrown <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

drivers/staging/Kconfig

@@ -130,4 +130,6 @@ source "drivers/staging/mt7621-mmc/Kconfig"
 
 source "drivers/staging/mt7621-eth/Kconfig"
 
+source "drivers/staging/mt7621-dts/Kconfig"
+
 endif # STAGING

drivers/staging/Makefile

@@ -56,3 +56,4 @@ obj-$(CONFIG_SOC_MT7621)	+= mt7621-spi/
 obj-$(CONFIG_SOC_MT7621)	+= mt7621-dma/
 obj-$(CONFIG_SOC_MT7621)	+= mt7621-mmc/
 obj-$(CONFIG_SOC_MT7621)	+= mt7621-eth/
+obj-$(CONFIG_SOC_MT7621)	+= mt7621-dts/

drivers/staging/mt7621-dts/Kconfig

@@ -0,0 +1,5 @@
+config DTB_GNUBEE1
+	bool "GnuBee1 NAS"
+	depends on SOC_MT7621 && DTB_RT_NONE
+	select BUILTIN_DTB
+

drivers/staging/mt7621-dts/Makefile

@@ -0,0 +1,3 @@
+dtb-$(CONFIG_DTB_GNUBEE1)      += gbpc1.dtb
+
+obj-y				+= $(patsubst %.dtb, %.dtb.o, $(dtb-y))

drivers/staging/mt7621-dts/TODO

@@ -0,0 +1,5 @@
+
+- ensure all usage matches code
+- ensure all features used are documented
+
+Cc: NeilBrown <[email protected]>

drivers/staging/mt7621-dts/gbpc1.dts

@@ -0,0 +1,143 @@
+/dts-v1/;
+
+#include "mt7621.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+	compatible = "gnubee,gb-pc1", "mediatek,mt7621-soc";
+	model = "GB-PC1";
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x1c000000>, <0x20000000 0x4000000>;
+	};
+
+	chosen {
+		bootargs = "console=ttyS0,57600";
+	};
+
+	palmbus: palmbus@1E000000 {
+		i2c@900 {
+			status = "okay";
+		};
+	};
+
+	gpio-keys-polled {
+		compatible = "gpio-keys-polled";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		poll-interval = <20>;
+
+		reset {
+			label = "reset";
+			gpios = <&gpio0 18 GPIO_ACTIVE_HIGH>;
+			linux,code = <KEY_RESTART>;
+		};
+	};
+
+	gpio-leds {
+		compatible = "gpio-leds";
+
+		system {
+			label = "gb-pc1:green:system";
+			gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
+		};
+
+		status {
+			label = "gb-pc1:green:status";
+			gpios = <&gpio0 8 GPIO_ACTIVE_LOW>;
+		};
+
+		lan1 {
+			label = "gb-pc1:green:lan1";
+			gpios = <&gpio0 24 GPIO_ACTIVE_LOW>;
+		};
+
+		lan2 {
+			label = "gb-pc1:green:lan2";
+			gpios = <&gpio0 25 GPIO_ACTIVE_LOW>;
+		};
+	};
+};
+
+&sdhci {
+	status = "okay";
+};
+
+&spi0 {
+	status = "okay";
+
+	m25p80@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <10000000>;
+		m25p,chunked-io = <32>;
+
+		partition@0 {
+			label = "u-boot";
+			reg = <0x0 0x30000>;
+			read-only;
+		};
+
+		partition@30000 {
+			label = "u-boot-env";
+			reg = <0x30000 0x10000>;
+			read-only;
+		};
+
+		factory: partition@40000 {
+			label = "factory";
+			reg = <0x40000 0x10000>;
+			read-only;
+		};
+
+		partition@50000 {
+			label = "firmware";
+			reg = <0x50000 0xFB0000>;
+		};
+
+	};
+};
+
+&sysclock {
+			compatible = "fixed-clock";
+			clock-frequency = <90000000>;
+};
+
+&cpuclock {
+			compatible = "fixed-clock";
+			clock-frequency = <900000000>;
+};
+
+&pcie {
+	status = "okay";
+};
+
+&ethernet {
+	//mtd-mac-address = <&factory 0xe000>;
+	gmac1: mac@0 {
+		compatible = "mediatek,eth-mac";
+		reg = <0>;
+		phy-handle = <&phy1>;
+	};
+
+	mdio-bus {
+		phy1: ethernet-phy@1 {
+			reg = <1>;
+			phy-mode = "rgmii";
+		};
+	};
+};
+
+&pinctrl {
+	state_default: pinctrl0 {
+		gpio {
+			ralink,group = "wdt", "rgmii2", "uart3";
+			ralink,function = "gpio";
+		};
+	};
+};