ARM: mxs: Add support for the Armadeus Systems APF28 module

The APF28 is a small SOM built around an i.MX28 processor with 128MBytes DDR2,
256MBytes NAND Flash and an Ethernet PHY.

Signed-off-by: Julien Boibessot <julien.boibessot@armadeus.com>
Signed-off-by: Gwenhael Goavec-Merou <gwenhael.goavec-merou@armadeus.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

arch/arm/boot/dts/Makefile

@@ -54,6 +54,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx51-babbage.dtb \
 dtb-$(CONFIG_ARCH_MXS) += imx23-evk.dtb \
 	imx23-olinuxino.dtb \
 	imx23-stmp378x_devb.dtb \
+	imx28-apf28.dtb \
 	imx28-apx4devkit.dtb \
 	imx28-cfa10036.dtb \
 	imx28-cfa10049.dtb \

arch/arm/boot/dts/imx28-apf28.dts

@@ -0,0 +1,85 @@
+/*
+ * Copyright 2012 Armadeus Systems - <support@armadeus.com>
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+/dts-v1/;
+/include/ "imx28.dtsi"
+
+/ {
+	model = "Armadeus Systems APF28 module";
+	compatible = "armadeus,imx28-apf28", "fsl,imx28";
+
+	memory {
+		reg = <0x40000000 0x08000000>;
+	};
+
+	apb@80000000 {
+		apbh@80000000 {
+			gpmi-nand@8000c000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&gpmi_pins_a &gpmi_status_cfg>;
+				status = "okay";
+
+				partition@0 {
+					label = "u-boot";
+					reg = <0x0 0x300000>;
+				};
+
+				partition@300000 {
+					label = "env";
+					reg = <0x300000 0x80000>;
+				};
+
+				partition@380000 {
+					label = "env2";
+					reg = <0x380000 0x80000>;
+				};
+
+				partition@400000 {
+					label = "dtb";
+					reg = <0x400000 0x80000>;
+				};
+
+				partition@480000 {
+					label = "splash";
+					reg = <0x480000 0x80000>;
+				};
+
+				partition@500000 {
+					label = "kernel";
+					reg = <0x500000 0x800000>;
+				};
+
+				partition@d00000 {
+					label = "rootfs";
+					reg = <0xd00000 0xf300000>;
+				};
+			};
+		};
+
+		apbx@80040000 {
+			duart: serial@80074000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&duart_pins_a>;
+				status = "okay";
+			};
+		};
+	};
+
+	ahb@80080000 {
+		mac0: ethernet@800f0000 {
+			phy-mode = "rmii";
+			pinctrl-names = "default";
+			pinctrl-0 = <&mac0_pins_a>;
+			phy-reset-gpios = <&gpio4 13 0>;
+			status = "okay";
+		};
+	};
+};

arch/arm/mach-mxs/mach-mxs.c

@@ -367,6 +367,11 @@ static void __init cfa10049_init(void)
 	update_fec_mac_prop(OUI_CRYSTALFONTZ);
 }
 
+static void __init apf28_init(void)
+{
+	enable_clk_enet_out();
+}
+
 static void __init mxs_machine_init(void)
 {
 	if (of_machine_is_compatible("fsl,imx28-evk"))
@@ -379,6 +384,8 @@ static void __init mxs_machine_init(void)
 		apx4devkit_init();
 	else if (of_machine_is_compatible("crystalfontz,cfa10049"))
 		cfa10049_init();
+	else if (of_machine_is_compatible("armadeus,imx28-apf28"))
+		apf28_init();
 
 	of_platform_populate(NULL, of_default_bus_match_table,
 			     mxs_auxdata_lookup, NULL);