Merge branch 'features/imx27-dt' of git://git.pengutronix.de/git/imx/…

…linux-2.6 into next/dt

* 'features/imx27-dt' of git://git.pengutronix.de/git/imx/linux-2.6:
  devicetree-bindings: Add documentation for i.MX generic boards
  ARM i.MX: Add phytec phycore-i.MX27 (aka pcm038) devicetree support
  ARM i.MX27: Add devicetree support

Documentation/devicetree/bindings/arm/fsl.txt

@@ -28,3 +28,25 @@ Required root node properties:
 i.MX6 Quad SABRE Lite Board
 Required root node properties:
     - compatible = "fsl,imx6q-sabrelite", "fsl,imx6q";
+
+Generic i.MX boards
+-------------------
+
+No iomux setup is done for these boards, so this must have been configured
+by the bootloader for boards to work with the generic bindings.
+
+i.MX27 generic board
+Required root node properties:
+    - compatible = "fsl,imx27";
+
+i.MX51 generic board
+Required root node properties:
+    - compatible = "fsl,imx51";
+
+i.MX53 generic board
+Required root node properties:
+    - compatible = "fsl,imx53";
+
+i.MX6q generic board
+Required root node properties:
+    - compatible = "fsl,imx6q";

arch/arm/boot/dts/imx27-phytec-phycore.dts

@@ -0,0 +1,76 @@
+/*
+ * Copyright 2012 Sascha Hauer, Pengutronix
+ *
+ * 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/ "imx27.dtsi"
+
+/ {
+	model = "Phytec pcm038";
+	compatible = "phytec,imx27-pcm038", "fsl,imx27";
+
+	memory {
+		reg = <0x0 0x0>;
+	};
+
+	soc {
+		aipi@10000000 { /* aipi */
+
+			wdog@10002000 {
+				status = "okay";
+			};
+
+			uart@1000a000 {
+				fsl,uart-has-rtscts;
+				status = "okay";
+			};
+
+			uart@1000b000 {
+				fsl,uart-has-rtscts;
+				status = "okay";
+			};
+
+			uart@1000c000 {
+				fsl,uart-has-rtscts;
+				status = "okay";
+			};
+
+			fec@1002b000 {
+				status = "okay";
+			};
+
+			i2c@1001d000 {
+				clock-frequency = <400000>;
+				status = "okay";
+				at24@4c {
+					compatible = "at,24c32";
+					pagesize = <32>;
+					reg = <0x52>;
+				};
+				pcf8563@51 {
+					compatible = "nxp,pcf8563";
+					reg = <0x51>;
+				};
+				lm75@4a {
+					compatible = "national,lm75";
+					reg = <0x4a>;
+				};
+			};
+		};
+	};
+
+	nor_flash@c0000000 {
+		compatible = "cfi-flash";
+		bank-width = <2>;
+		reg = <0xc0000000 0x02000000>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+	};
+};

arch/arm/boot/dts/imx27.dtsi

@@ -0,0 +1,217 @@
+/*
+ * Copyright 2012 Sascha Hauer, Pengutronix
+ *
+ * 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
+ */
+
+/include/ "skeleton.dtsi"
+
+/ {
+	aliases {
+		serial0 = &uart1;
+		serial1 = &uart2;
+		serial2 = &uart3;
+		serial3 = &uart4;
+		serial4 = &uart5;
+		serial5 = &uart6;
+	};
+
+	avic: avic-interrupt-controller@e0000000 {
+		compatible = "fsl,imx27-avic", "fsl,avic";
+		interrupt-controller;
+		#interrupt-cells = <1>;
+		reg = <0x10040000 0x1000>;
+	};
+
+	clocks {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		osc26m {
+			compatible = "fsl,imx-osc26m", "fixed-clock";
+			clock-frequency = <26000000>;
+		};
+	};
+
+	soc {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "simple-bus";
+		interrupt-parent = <&avic>;
+		ranges;
+
+		aipi@10000000 { /* AIPI1 */
+			compatible = "fsl,aipi-bus", "simple-bus";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			reg = <0x10000000 0x10000000>;
+			ranges;
+
+			wdog@10002000 {
+				compatible = "fsl,imx27-wdt", "fsl,imx21-wdt";
+				reg = <0x10002000 0x4000>;
+				interrupts = <27>;
+				status = "disabled";
+			};
+
+			uart1: uart@1000a000 {
+				compatible = "fsl,imx27-uart", "fsl,imx21-uart";
+				reg = <0x1000a000 0x1000>;
+				interrupts = <20>;
+				status = "disabled";
+			};
+
+			uart2: uart@1000b000 {
+				compatible = "fsl,imx27-uart", "fsl,imx21-uart";
+				reg = <0x1000b000 0x1000>;
+				interrupts = <19>;
+				status = "disabled";
+			};
+
+			uart3: uart@1000c000 {
+				compatible = "fsl,imx27-uart", "fsl,imx21-uart";
+				reg = <0x1000c000 0x1000>;
+				interrupts = <18>;
+				status = "disabled";
+			};
+
+			uart4: uart@1000d000 {
+				compatible = "fsl,imx27-uart", "fsl,imx21-uart";
+				reg = <0x1000d000 0x1000>;
+				interrupts = <17>;
+				status = "disabled";
+			};
+
+			cspi1: cspi@1000e000 {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				compatible = "fsl,imx27-cspi";
+				reg = <0x1000e000 0x1000>;
+				interrupts = <16>;
+				status = "disabled";
+			};
+
+			cspi2: cspi@1000f000 {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				compatible = "fsl,imx27-cspi";
+				reg = <0x1000f000 0x1000>;
+				interrupts = <15>;
+				status = "disabled";
+			};
+
+			i2c1: i2c@10012000 {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				compatible = "fsl,imx27-i2c", "fsl,imx1-i2c";
+				reg = <0x10012000 0x1000>;
+				interrupts = <12>;
+				status = "disabled";
+			};
+
+			gpio1: gpio@10015000 {
+				compatible = "fsl,imx27-gpio", "fsl,imx21-gpio";
+				reg = <0x10015000 0x100>;
+				interrupts = <8>;
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+
+			gpio2: gpio@10015100 {
+				compatible = "fsl,imx27-gpio", "fsl,imx21-gpio";
+				reg = <0x10015100 0x100>;
+				interrupts = <8>;
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+
+			gpio3: gpio@10015200 {
+				compatible = "fsl,imx27-gpio", "fsl,imx21-gpio";
+				reg = <0x10015200 0x100>;
+				interrupts = <8>;
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+
+			gpio4: gpio@10015300 {
+				compatible = "fsl,imx27-gpio", "fsl,imx21-gpio";
+				reg = <0x10015300 0x100>;
+				interrupts = <8>;
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+
+			gpio5: gpio@10015400 {
+				compatible = "fsl,imx27-gpio", "fsl,imx21-gpio";
+				reg = <0x10015400 0x100>;
+				interrupts = <8>;
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+
+			gpio6: gpio@10015500 {
+				compatible = "fsl,imx27-gpio", "fsl,imx21-gpio";
+				reg = <0x10015500 0x100>;
+				interrupts = <8>;
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+
+			cspi3: cspi@10017000 {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				compatible = "fsl,imx27-cspi";
+				reg = <0x10017000 0x1000>;
+				interrupts = <6>;
+				status = "disabled";
+			};
+
+			uart5: uart@1001b000 {
+				compatible = "fsl,imx27-uart", "fsl,imx21-uart";
+				reg = <0x1001b000 0x1000>;
+				interrupts = <49>;
+				status = "disabled";
+			};
+
+			uart6: uart@1001c000 {
+				compatible = "fsl,imx27-uart", "fsl,imx21-uart";
+				reg = <0x1001c000 0x1000>;
+				interrupts = <48>;
+				status = "disabled";
+			};
+
+			i2c2: i2c@1001d000 {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				compatible = "fsl,imx27-i2c", "fsl,imx1-i2c";
+				reg = <0x1001d000 0x1000>;
+				interrupts = <1>;
+				status = "disabled";
+			};
+
+			fec: fec@1002b000 {
+				compatible = "fsl,imx27-fec";
+				reg = <0x1002b000 0x4000>;
+				interrupts = <50>;
+				status = "disabled";
+			};
+		};
+	};
+};

arch/arm/mach-imx/Kconfig

@@ -376,6 +376,14 @@ config MACH_IMX27IPCAM
 	  Include support for IMX27 IPCAM platform. This includes specific
 	  configurations for the board and its peripherals.
 
+config MACH_IMX27_DT
+	bool "Support i.MX27 platforms from device tree"
+	select SOC_IMX27
+	select USE_OF
+	help
+	  Include support for Freescale i.MX27 based platforms
+	  using the device tree for discovery
+
 endif
 
 if ARCH_IMX_V6_V7

arch/arm/mach-imx/Makefile

@@ -41,6 +41,7 @@ obj-$(CONFIG_MACH_EUKREA_MBIMX27_BASEBOARD) += eukrea_mbimx27-baseboard.o
 obj-$(CONFIG_MACH_PCA100) += mach-pca100.o
 obj-$(CONFIG_MACH_MXT_TD60) += mach-mxt_td60.o
 obj-$(CONFIG_MACH_IMX27IPCAM) += mach-imx27ipcam.o
+obj-$(CONFIG_MACH_IMX27_DT) += imx27-dt.o
 
 # i.MX31 based machines
 obj-$(CONFIG_MACH_MX31ADS) += mach-mx31ads.o

arch/arm/mach-imx/clock-imx27.c

@@ -22,6 +22,7 @@
 #include <linux/io.h>
 #include <linux/module.h>
 #include <linux/clkdev.h>
+#include <linux/of.h>
 
 #include <asm/div64.h>
 
@@ -764,3 +765,20 @@ int __init mx27_clocks_init(unsigned long fref)
 	return 0;
 }
 
+#ifdef CONFIG_OF
+int __init mx27_clocks_init_dt(void)
+{
+	struct device_node *np;
+	u32 fref = 26000000; /* default */
+
+	for_each_compatible_node(np, NULL, "fixed-clock") {
+		if (!of_device_is_compatible(np, "fsl,imx-osc26m"))
+			continue;
+
+		if (!of_property_read_u32(np, "clock-frequency", &fref))
+			break;
+	}
+
+	return mx27_clocks_init(fref);
+}
+#endif