[PATCHv5][ 1/3] DT: Add basic support for imx35-based devices.

--- /dev/null
+++ b/arch/arm/boot/dts/imx35.dtsi

@@ -0,0 +1,450 @@
+/*
+ * Copyright 2012 Steffen Trumtrar, Pengutronix
+ *
+ * based on imx27.dtsi
+ *
+ * This program is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License version 2 as published by the
+ * Free Software Foundation.
+ */
+
+#include "skeleton.dtsi"
+#include "imx35-pinfunc.h"
+
+/ {
+	aliases {
+		serial0 = &uart1;
+		serial1 = &uart2;
+		serial2 = &uart3;
+		gpio0 = &gpio1;
+		gpio1 = &gpio2;
+		gpio2 = &gpio3;

+				};
+			};
+		};
+
+		spba: spba-bus at 50000000 {
+			compatible = "fsl,spba-bus", "simple-bus";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			reg = <0x50000000 0x100000>;
+			ranges;
+
+			uart3: serial at 5000c000 {
+				compatible = "fsl,imx35-uart", "fsl,imx21-uart";
+				reg = <0x5000c000 0x4000>;
+				clocks = <&clks 9>, <&clks 72>;
+				clock-names = "ipg", "per";
+				interrupts = <18>;
+				status = "disabled";
+			};
+
+			fec: fec at 50038000 {
+				compatible = "fsl,imx35-fec", "fsl,imx27-fec";
+				reg = <0x50038000 0x4000>;
+				clocks = <&clks 46>;
+				clock-names = "";
+				interrupts = <57>;
+				status = "disabled";
+			};
+		};
+
+		aips2: aips at 53f00000 {
+			compatible = "fsl,aips", "simple-bus";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			reg = <0x53f00000 0x100000>;
+			ranges;
+
+			clks: ccm at 53f80000 {
+				compatible = "fsl,imx35-ccm";
+				reg = <0x53f80000 0x4000>;
+				interrupts = <31>;
+				#clock-cells = <1>;
+			};
+
+			gpio3: gpio at 53fa4000 {
+				compatible = "fsl,imx35-gpio", "fsl,imx31-gpio";
+				reg = <0x53fa4000 0x4000>;
+				interrupts = <56>;
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <2>;
+			};
+
+			esdhc1: esdhc at 53fb4000 {
+				compatible = "fsl,imx35-esdhc";
+				reg = <0x53fb4000 0x4000>;
+				interrupts = <7>;
+				clocks = <&clks 9>, <&clks 8>, <&clks 43>;
+				clock-names = "ipg", "ahb", "per";
+				status = "disabled";
+			};
+
+			esdhc2: esdhc at 53fb8000 {
+				compatible = "fsl,imx35-esdhc";
+				reg = <0x53fb8000 0x4000>;
+				interrupts = <8>;
+				clocks = <&clks 9>, <&clks 8>, <&clks 44>;
+				clock-names = "ipg", "ahb", "per";
+				status = "disabled";
+			};
+
+			esdhc3: esdhc at 53fbc000 {
+				compatible = "fsl,imx35-esdhc";
+				reg = <0x53fbc000 0x4000>;
+				interrupts = <9>;
+				clocks = <&clks 9>, <&clks 8>, <&clks 45>;
+				clock-names = "ipg", "ahb", "per";
+				status = "disabled";
+			};
+
+			audmux: audmux at 53fc4000 {
+				compatible = "fsl,imx35-audmux", "fsl,imx31-audmux";
+				reg = <0x53fc4000 0x4000>;
+				status = "disabled";
+			};
+
+			gpio1: gpio at 53fcc000 {
+				compatible = "fsl,imx35-gpio", "fsl,imx31-gpio";
+				reg = <0x53fcc000 0x4000>;
+				interrupts = <52>;
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <2>;
+			};
+
+			gpio2: gpio at 53fd0000 {
+				compatible = "fsl,imx35-gpio", "fsl,imx31-gpio";
+				reg = <0x53fd0000 0x4000>;
+				interrupts = <51>;
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <2>;
+			};
+
+			sdma: sdma at 53fd4000 {
+				compatible = "fsl,imx35-sdma";
+				reg = <0x53fd4000 0x4000>;
+				clocks = <&clks 9>, <&clks 65>;
+				clock-names = "ipg", "ahb";
+				#dma-cells = <3>;
+				interrupts = <34>;
+				fsl,sdma-ram-script-name = "imx/sdma/sdma-imx35.bin";
+			};
+
+			wdog: wdog at 53fdc000 {
+				compatible = "fsl,imx35-wdt", "fsl,imx21-wdt";
+				reg = <0x53fdc000 0x4000>;
+				clocks = <&clks 74>;
+				clock-names = "";
+				interrupts = <55>;
+			};
+
+			can1: can at 53fe4000 {
+				compatible = "fsl,imx35-flexcan", "fsl,p1010-flexcan";
+				reg = <0x53fe4000 0x1000>;
+				clocks = <&clks 33>;
+				clock-names = "";
+				interrupts = <43>;
+				status = "disabled";
+			};
+
+			can2: can at 53fe8000 {
+				compatible = "fsl,imx35-flexcan", "fsl,p1010-flexcan";
+				reg = <0x53fe8000 0x1000>;
+				clocks = <&clks 34>;
+				clock-names = "";
+				interrupts = <44>;
+				status = "disabled";
+			};
+		};
+
+		emi at 80000000 { /* External Memory Interface */
+			compatible = "fsl,emi", "simple-bus";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			reg = <0x80000000 0x40000000>;
+			ranges;
+
+			nfc: nand at bb000000 {
+				#address-cells = <1>;
+				#size-cells = <1>;
+
+				compatible = "fsl,imx35-nand", "fsl,imx25-nand";
+				reg = <0xbb000000 0x2000>;
+				clocks = <&clks 29>;
+				clock-names = "";
+				interrupts = <33>;
+				status = "disabled";
+			};
+
+			weim: weim at b8002000 {
+				#address-cells = <2>;
+				#size-cells = <1>;
+				compatible = "fsl,imx35-weim";
+				reg = <0xb8002000 0x1000>;
+				ranges = <
+					0 0 0xa0000000 0x8000000
+					1 0 0xa8000000 0x8000000
+					2 0 0xb0000000 0x2000000
+					3 0 0xb2000000 0x2000000
+					4 0 0xb4000000 0x2000000
+					5 0 0xb6000000 0x2000000
+				>;
+				status = "disabled";
+			};
+		};
+	};
+};

diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index 9f67338..7400c7b 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig

@@ -625,6 +625,17 @@ config MACH_IMX31_DT
 
 comment "MX35 platforms:"
 
+config MACH_IMX35_DT
+	bool "Support i.MX35 platforms from device tree"
+	select SOC_IMX35
+	select IMX_HAVE_PLATFORM_IMX2_WDT
+	select IMX_HAVE_PLATFORM_MXC_NAND

+	select PINCTRL
+	select PINCTRL_IMX35
+	help
+	  Include support for Freescale i.MX35 based platforms
+	  using the device tree for discovery.
+
 config MACH_PCM043
 	bool "Support Phytec pcm043 (i.MX35) platforms"
 	select IMX_HAVE_PLATFORM_FLEXCAN

diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile
index 5383c58..f20a117 100644
--- a/arch/arm/mach-imx/Makefile
+++ b/arch/arm/mach-imx/Makefile

@@ -89,6 +89,7 @@ obj-$(CONFIG_MACH_MX35_3DS) += mach-mx35_3ds.o
 obj-$(CONFIG_MACH_EUKREA_CPUIMX35SD) += mach-cpuimx35.o
 obj-$(CONFIG_MACH_EUKREA_MBIMXSD35_BASEBOARD) += eukrea_mbimxsd35-baseboard.o
 obj-$(CONFIG_MACH_VPR200) += mach-vpr200.o
+obj-$(CONFIG_MACH_IMX35_DT) += imx35-dt.o
 
 obj-$(CONFIG_HAVE_IMX_ANATOP) += anatop.o
 obj-$(CONFIG_HAVE_IMX_GPC) += gpc.o

diff --git a/arch/arm/mach-imx/clk-imx35.c b/arch/arm/mach-imx/clk-imx35.c
index 2193c83..05efb23 100644
--- a/arch/arm/mach-imx/clk-imx35.c
+++ b/arch/arm/mach-imx/clk-imx35.c

@@ -45,6 +45,8 @@ static struct arm_ahb_div clk_consumer[] = {
 static char hsp_div_532[] = { 4, 8, 3, 0 };
 static char hsp_div_400[] = { 3, 6, 3, 0 };
 
+static struct clk_onecell_data clk_data;
+
 static const char *std_sel[] = {"ppll", "arm"};
 static const char *ipg_per_sel[] = {"ahb_per_div", "arm_per_div"};
 

@@ -127,7 +129,8 @@ int __init mx35_clocks_init(void)
 	clk[esdhc3_div] = imx_clk_divider("esdhc3_div", "esdhc_sel", base + MX35_CCM_PDR3, 16, 6);
 
 	clk[spdif_sel] = imx_clk_mux("spdif_sel", base + MX35_CCM_PDR3, 22, 1, std_sel, ARRAY_SIZE(std_sel));
-	clk[spdif_div_pre] = imx_clk_divider("spdif_div_pre", "spdif_sel", base + MX35_CCM_PDR3, 29, 3); /* divide by 1 not allowed */ 
+	/* divide by 1 not allowed */
+	clk[spdif_div_pre] = imx_clk_divider("spdif_div_pre", "spdif_sel", base + MX35_CCM_PDR3, 29, 3);

 	clk[spdif_div_post] = imx_clk_divider("spdif_div_post", "spdif_div_pre", base + MX35_CCM_PDR3, 23, 6);
 
 	clk[ssi_sel] = imx_clk_mux("ssi_sel", base + MX35_CCM_PDR2, 6, 1, std_sel, ARRAY_SIZE(std_sel));

@@ -286,3 +289,19 @@ int __init mx35_clocks_init(void)
 
 	return 0;
 }
+
+int __init mx35_clocks_init_dt(void)
+{
+	struct device_node *np;
+	void __iomem *base;
+	int irq;
+
+	np = of_find_compatible_node(NULL, NULL, "fsl,imx35-ccm");
+	clk_data.clks = clk;
+	clk_data.clk_num = ARRAY_SIZE(clk);
+	of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
+
+	mx35_clocks_init();
+
+	return 0;
+}

diff --git a/arch/arm/mach-imx/common.h b/arch/arm/mach-imx/common.h
index 4517fd7..58db4d2 100644
--- a/arch/arm/mach-imx/common.h
+++ b/arch/arm/mach-imx/common.h

@@ -68,6 +68,7 @@ extern int mx53_clocks_init(unsigned long ckil, unsigned long osc,
 extern int mx25_clocks_init_dt(void);
 extern int mx27_clocks_init_dt(void);
 extern int mx31_clocks_init_dt(void);
+extern int mx35_clocks_init_dt(void);
 extern int mx51_clocks_init_dt(void);
 extern int mx53_clocks_init_dt(void);
 extern struct platform_device *mxc_register_gpio(char *name, int id,

diff --git a/arch/arm/mach-imx/imx35-dt.c b/arch/arm/mach-imx/imx35-dt.c
new file mode 100644
index 0000000..6e83638
--- /dev/null
+++ b/arch/arm/mach-imx/imx35-dt.c

@@ -0,0 +1,48 @@
+/*
+ * Copyright 2012 Steffen Trumtrar, Pengutronix
+ *
+ * based on imx27-dt.c
+ *
+ * This program is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License version 2 as published by the
+ * Free Software Foundation.
+ */
+
+#include <linux/irq.h>
+#include <linux/irqdomain.h>
+#include <linux/of_irq.h>
+#include <linux/of_platform.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+#include <asm/hardware/cache-l2x0.h>
+#include "common.h"
+#include "mx35.h"
+
+static void __init imx35_dt_init(void)
+{
+	l2x0_of_init(0x00030024, 0x00000000);
+
+	of_platform_populate(NULL, of_default_bus_match_table,
+			     NULL, NULL);
+}
+
+static void __init imx35_timer_init(void)
+{
+	mx35_clocks_init_dt();
+}
+
+static const char *imx35_dt_board_compat[] __initdata = {
+	"fsl,imx35",
+	NULL
+};
+
+DT_MACHINE_START(IMX35_DT, "Freescale i.MX35 (Device Tree Support)")
+	.map_io		= mx35_map_io,
+	.init_early	= imx35_init_early,
+	.init_irq	= mx35_init_irq,
+	.handle_irq	= imx35_handle_irq,
+	.init_time      = imx35_timer_init,