lantiq: add Falcon support

This adds support for the Intel Falcon SoC for GPON.

Support for the Falcon SoC was removed in commit c8218363951 svn rev:
40392 from OpenWrt, this commit adds it again.

This patch adds a new subtarget for the Falcon SoC, but it still misses
all the drivers needed to control the GPON part.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

1 files changed, 114 insertions, 0 deletions

diff --git a/target/linux/lantiq/dts/EASY98000-base.dtsi b/target/linux/lantiq/dts/EASY98000-base.dtsi
new file mode 100644
index 0000000000..203287092c
--- /dev/null
+++ b/target/linux/lantiq/dts/EASY98000-base.dtsi
@@ -0,0 +1,114 @@
+
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+	compatible = "lantiq,falcon-easy98000", "lantiq,falcon";
+
+	chosen {
+		bootargs-append = "console=ttyLTQ0,115200 init=/etc/preinit";
+	};
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x4000000>;
+	};
+
+	easy98000-leds {
+		compatible = "gpio-leds";
+		pinctrl-names = "default";
+		pinctrl-0 = <&bootled_pins>;
+
+		LED_0 {
+			label = "easy98000:green:gpon";
+			gpios = <&gpio0 9 GPIO_ACTIVE_HIGH>;
+			default-state = "keep";
+		};
+		LED_1 {
+			label = "easy98000:red:gpon";
+			gpios = <&gpio0 10 GPIO_ACTIVE_HIGH>;
+			default-state = "keep";
+		};
+		LED_2 {
+			label = "easy98000:green:gpon_tx";
+			gpios = <&gpio0 11 GPIO_ACTIVE_HIGH>;
+			default-state = "keep";
+		};
+		LED_3 {
+			label = "easy98000:green:gpon_rx";
+			gpios = <&gpio0 12 GPIO_ACTIVE_HIGH>;
+			default-state = "keep";
+		};
+		LED_4 {
+			label = "easy98000:green:voice";
+			gpios = <&gpio0 13 GPIO_ACTIVE_HIGH>;
+			default-state = "keep";
+		};
+		LED_5 {
+			label = "easy98000:green:status";
+			gpios = <&gpio0 14 GPIO_ACTIVE_HIGH>;
+			default-state = "keep";
+		};
+	};
+};
+
+&ebu_cs1 {
+	eth0: ethernet@0000000 {
+		compatible = "davicom,dm9000";
+		device_type = "network";
+		reg = <0x0000003 0x1>, <0x0000001 0x1>;
+		reg-names = "addr", "data";
+		interrupt-parent = <&gpio1>;
+		#interrupt-cells = <2>;
+		interrupts = <10 IRQ_TYPE_LEVEL_LOW>;
+		local-mac-address = [ 00 00 00 00 00 00 ];
+	};
+
+	cpld@3c00000 {
+		compatible = "lantiq,easy98000_addon";
+		reg = <0x3c00000 0x2>;
+	};
+
+	cpld@3c0000c {
+		compatible = "lantiq,easy98000_cpld_led";
+		reg = <0x3c0000c 0x2>,  <0x3c00012 0x2>;
+	};
+};
+
+/* // enable this for second uart:
+&serial1 {
+	status = "okay";
+};*/
+
+&spi {
+	status = "okay";
+
+	eeprom@1 {
+		compatible = "atmel,at25", "atmel,at25160n";
+		reg = <2>;
+		spi-max-frequency = <1000000>;
+		spi-cpha;
+		spi-cpol;
+
+		pagesize = <32>;
+		size = <2048>;
+		address-width = <16>;
+	};
+};
+
+&i2c {
+	status = "okay";
+
+	clock-frequency = <100000>;
+
+	/* eeprom-emulation by OMU */
+	eeprom@50 {
+		compatible = "at,24c02";
+		reg = <0x50>;
+	};
+	eeprom@51 {
+		compatible = "at,24c02";
+		reg = <0x51>;
+	};
+};
+