Merge tag 'davinci-for-v3.8/defconfig' of git://gitorious.org/linux-davinci/linux-davinci into next/boards

From Sekhar Nori:

This change enables DT related options in DA8XX
defconfig.

* tag 'davinci-for-v3.8/defconfig' of git://gitorious.org/linux-davinci/linux-davinci:
  ARM: davinci: da8xx defconfig: enable DT config options

Signed-off-by: Olof Johansson <olof@lixom.net>

10 files changed, 216 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/arm/davinci.txt b/Documentation/devicetree/bindings/arm/davinci.txt
new file mode 100644
index 0000000..cfaeda4
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/davinci.txt
@@ -0,0 +1,17 @@
+Texas Instruments DaVinci Platforms Device Tree Bindings
+--------------------------------------------------------
+
+DA850/OMAP-L138/AM18x Evaluation Module (EVM) board
+Required root node properties:
+    - compatible = "ti,da850-evm", "ti,da850";
+
+EnBW AM1808 based CMC board
+Required root node properties:
+    - compatible = "enbw,cmc", "ti,da850;
+
+Generic DaVinci Boards
+----------------------
+
+DA850/OMAP-L138/AM18x generic board
+Required root node properties:
+    - compatible = "ti,da850";
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index ade7e92..fce1683 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -924,6 +924,7 @@ config ARCH_DAVINCI
 	select GENERIC_IRQ_CHIP
 	select HAVE_IDE
 	select NEED_MACH_GPIO_H
+	select USE_OF
 	select ZONE_DMA
 	help
 	  Support for TI's DaVinci platform.
diff --git a/arch/arm/boot/dts/da850-enbw-cmc.dts b/arch/arm/boot/dts/da850-enbw-cmc.dts
new file mode 100644
index 0000000..422fdb3
--- /dev/null
+++ b/arch/arm/boot/dts/da850-enbw-cmc.dts
@@ -0,0 +1,30 @@
+/*
+ * Device Tree for AM1808 EnBW CMC board
+ *
+ * Copyright 2012 DENX Software Engineering GmbH
+ * Heiko Schocher <hs@denx.de>
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+/dts-v1/;
+/include/ "da850.dtsi"
+
+/ {
+	compatible = "enbw,cmc", "ti,da850";
+	model = "EnBW CMC";
+
+	soc {
+		serial0: serial@1c42000 {
+			status = "okay";
+		};
+		serial1: serial@1d0c000 {
+			status = "okay";
+		};
+		serial2: serial@1d0d000 {
+			status = "okay";
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/da850-evm.dts b/arch/arm/boot/dts/da850-evm.dts
new file mode 100644
index 0000000..37dc5a3
--- /dev/null
+++ b/arch/arm/boot/dts/da850-evm.dts
@@ -0,0 +1,28 @@
+/*
+ * Device Tree for DA850 EVM board
+ *
+ * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation, version 2.
+ */
+/dts-v1/;
+/include/ "da850.dtsi"
+
+/ {
+	compatible = "ti,da850-evm", "ti,da850";
+	model = "DA850/AM1808/OMAP-L138 EVM";
+
+	soc {
+		serial0: serial@1c42000 {
+			status = "okay";
+		};
+		serial1: serial@1d0c000 {
+			status = "okay";
+		};
+		serial2: serial@1d0d000 {
+			status = "okay";
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi
new file mode 100644
index 0000000..640ab75
--- /dev/null
+++ b/arch/arm/boot/dts/da850.dtsi
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2012 DENX Software Engineering GmbH
+ * Heiko Schocher <hs@denx.de>
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+/include/ "skeleton.dtsi"
+
+/ {
+	arm {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+		intc: interrupt-controller {
+			compatible = "ti,cp-intc";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			ti,intc-size = <100>;
+			reg = <0xfffee000 0x2000>;
+		};
+	};
+	soc {
+		compatible = "simple-bus";
+		model = "da850";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0x0 0x01c00000 0x400000>;
+
+		serial0: serial@1c42000 {
+			compatible = "ns16550a";
+			reg = <0x42000 0x100>;
+			clock-frequency = <150000000>;
+			reg-shift = <2>;
+			interrupts = <25>;
+			interrupt-parent = <&intc>;
+			status = "disabled";
+		};
+		serial1: serial@1d0c000 {
+			compatible = "ns16550a";
+			reg = <0x10c000 0x100>;
+			clock-frequency = <150000000>;
+			reg-shift = <2>;
+			interrupts = <53>;
+			interrupt-parent = <&intc>;
+			status = "disabled";
+		};
+		serial2: serial@1d0d000 {
+			compatible = "ns16550a";
+			reg = <0x10d000 0x100>;
+			clock-frequency = <150000000>;
+			reg-shift = <2>;
+			interrupts = <61>;
+			interrupt-parent = <&intc>;
+			status = "disabled";
+		};
+	};
+};
diff --git a/arch/arm/configs/da8xx_omapl_defconfig b/arch/arm/configs/da8xx_omapl_defconfig
index 88ccde0..f292239 100644
--- a/arch/arm/configs/da8xx_omapl_defconfig
+++ b/arch/arm/configs/da8xx_omapl_defconfig
@@ -17,6 +17,7 @@ CONFIG_MODVERSIONS=y
 CONFIG_ARCH_DAVINCI=y
 CONFIG_ARCH_DAVINCI_DA830=y
 CONFIG_ARCH_DAVINCI_DA850=y
+CONFIG_MACH_DA8XX_DT=y
 CONFIG_MACH_MITYOMAPL138=y
 CONFIG_MACH_OMAPL138_HAWKBOARD=y
 CONFIG_DAVINCI_RESET_CLOCKS=y
@@ -26,6 +27,7 @@ CONFIG_PREEMPT=y
 CONFIG_AEABI=y
 # CONFIG_OABI_COMPAT is not set
 CONFIG_LEDS=y
+CONFIG_USE_OF=y
 CONFIG_ZBOOT_ROM_TEXT=0x0
 CONFIG_ZBOOT_ROM_BSS=0x0
 CONFIG_CPU_FREQ=y
@@ -75,6 +77,7 @@ CONFIG_SERIO_LIBPS2=y
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
 CONFIG_SERIAL_8250_NR_UARTS=3
+CONFIG_SERIAL_OF_PLATFORM=y
 CONFIG_I2C=y
 CONFIG_I2C_CHARDEV=y
 CONFIG_I2C_DAVINCI=y
diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
index f8eecb9..0153950 100644
--- a/arch/arm/mach-davinci/Kconfig
+++ b/arch/arm/mach-davinci/Kconfig
@@ -58,6 +58,14 @@ config ARCH_DAVINCI_TNETV107X
 
 comment "DaVinci Board Type"
 
+config MACH_DA8XX_DT
+	bool "Support DA8XX platforms using device tree"
+	default y
+	depends on ARCH_DAVINCI_DA8XX
+	help
+	  Say y here to include support for TI DaVinci DA850 based using
+	  Flattened Device Tree. More information at Documentation/devicetree
+
 config MACH_DAVINCI_EVM
 	bool "TI DM644x EVM"
 	default ARCH_DAVINCI_DM644x
diff --git a/arch/arm/mach-davinci/Makefile b/arch/arm/mach-davinci/Makefile
index 2227eff..fb5c1aa 100644
--- a/arch/arm/mach-davinci/Makefile
+++ b/arch/arm/mach-davinci/Makefile
@@ -22,6 +22,7 @@ obj-$(CONFIG_AINTC)			+= irq.o
 obj-$(CONFIG_CP_INTC)			+= cp_intc.o
 
 # Board specific
+obj-$(CONFIG_MACH_DA8XX_DT)		+= da8xx-dt.o
 obj-$(CONFIG_MACH_DAVINCI_EVM)  	+= board-dm644x-evm.o
 obj-$(CONFIG_MACH_SFFSDR)		+= board-sffsdr.o
 obj-$(CONFIG_MACH_NEUROS_OSD2)		+= board-neuros-osd2.o
diff --git a/arch/arm/mach-davinci/Makefile.boot b/arch/arm/mach-davinci/Makefile.boot
index 04a6c4e..5c5a95a 100644
--- a/arch/arm/mach-davinci/Makefile.boot
+++ b/arch/arm/mach-davinci/Makefile.boot
@@ -11,3 +11,5 @@ else
 params_phys-y	:= 0x80000100
 initrd_phys-y	:= 0x80800000
 endif
+
+dtb-$(CONFIG_MACH_DA8XX_DT)	+= da850-enbw-cmc.dtb da850-evm.dtb
diff --git a/arch/arm/mach-davinci/da8xx-dt.c b/arch/arm/mach-davinci/da8xx-dt.c
new file mode 100644
index 0000000..37c27af
--- /dev/null
+++ b/arch/arm/mach-davinci/da8xx-dt.c
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * Modified from mach-omap/omap2/board-generic.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/io.h>
+#include <linux/of_irq.h>
+#include <linux/of_platform.h>
+#include <linux/irqdomain.h>
+
+#include <asm/mach/arch.h>
+
+#include <mach/common.h>
+#include <mach/cp_intc.h>
+#include <mach/da8xx.h>
+
+#define DA8XX_NUM_UARTS	3
+
+void __init da8xx_uart_clk_enable(void)
+{
+	int i;
+	for (i = 0; i < DA8XX_NUM_UARTS; i++)
+		davinci_serial_setup_clk(i, NULL);
+}
+
+static struct of_device_id da8xx_irq_match[] __initdata = {
+	{ .compatible = "ti,cp-intc", .data = cp_intc_of_init, },
+	{ }
+};
+
+static void __init da8xx_init_irq(void)
+{
+	of_irq_init(da8xx_irq_match);
+}
+
+#ifdef CONFIG_ARCH_DAVINCI_DA850
+
+static void __init da850_init_machine(void)
+{
+	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
+
+	da8xx_uart_clk_enable();
+}
+
+static const char *da850_boards_compat[] __initdata = {
+	"enbw,cmc",
+	"ti,da850-evm",
+	"ti,da850",
+	NULL,
+};
+
+DT_MACHINE_START(DA850_DT, "Generic DA850/OMAP-L138/AM18x")
+	.map_io		= da850_init,
+	.init_irq	= da8xx_init_irq,
+	.timer		= &davinci_timer,
+	.init_machine	= da850_init_machine,
+	.dt_compat	= da850_boards_compat,
+	.init_late	= davinci_init_late,
+	.restart	= da8xx_restart,
+MACHINE_END
+
+#endif