arm: tegra: add device tree support

Enable device tree support for kai, dalmore, pluto and curacao
by adding board compatible tables.

Also add dts/dtsi files for kai, dalmore, pluto and curacao.

Bug 973078
Bug 1037657

Change-Id: I24fdcde555f4bf840ad839cad25c8d0d43ced7cc
Signed-off-by: Nitin Kumbhar <nkumbhar@nvidia.com>
Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com>
Reviewed-on: http://git-master/r/130634
Reviewed-by: Simone Willett <swillett@nvidia.com>
Tested-by: Simone Willett <swillett@nvidia.com>

Rebase-Id: R35f1359a8ff83cfc6ed92b57761a76e6feb44a5c

3 files changed, 48 insertions, 3 deletions

diff --git a/arch/arm/mach-tegra/board-curacao.c b/arch/arm/mach-tegra/board-curacao.c
index ec71bd177d14..a82ae362be65 100644
--- a/arch/arm/mach-tegra/board-curacao.c
+++ b/arch/arm/mach-tegra/board-curacao.c
@@ -35,6 +35,7 @@
 #include <linux/gpio_keys.h>
 #include <linux/input.h>
 #include <linux/platform_data/tegra_usb.h>
+#include <linux/of_platform.h>
 
 #include <mach/clk.h>
 #include <mach/gpio-tegra.h>
@@ -606,6 +607,14 @@ static void __init tegra_curacao_init(void)
 	curacao_soctherm_init();
 }
 
+static void __init tegra_curacao_dt_init(void)
+{
+	tegra_curacao_init();
+
+	of_platform_populate(NULL,
+		of_default_bus_match_table, NULL, NULL);
+}
+
 static void __init tegra_curacao_reserve(void)
 {
 #if defined(CONFIG_NVMAP_CONVERT_CARVEOUT_TO_IOVMM)
@@ -615,6 +624,11 @@ static void __init tegra_curacao_reserve(void)
 #endif
 }
 
+static const char * const curacao_dt_board_compat[] = {
+	"nvidia,curacao",
+	NULL
+};
+
 MACHINE_START(CURACAO, CURACAO_BOARD_NAME)
 	.atag_offset    = 0x80000100,
 	.soc		= &tegra_soc_desc,
@@ -624,5 +638,6 @@ MACHINE_START(CURACAO, CURACAO_BOARD_NAME)
 	.init_irq       = tegra_init_irq,
 	.handle_irq	= gic_handle_irq,
 	.timer          = &tegra_timer,
-	.init_machine   = tegra_curacao_init,
+	.init_machine   = tegra_curacao_dt_init,
+	.dt_compat	= curacao_dt_board_compat,
 MACHINE_END
diff --git a/arch/arm/mach-tegra/board-dalmore.c b/arch/arm/mach-tegra/board-dalmore.c
index 063f222cf297..ca26c8fb45ea 100644
--- a/arch/arm/mach-tegra/board-dalmore.c
+++ b/arch/arm/mach-tegra/board-dalmore.c
@@ -43,6 +43,7 @@
 #include <linux/max17048_battery.h>
 #include <linux/leds.h>
 #include <linux/i2c/at24.h>
+#include <linux/of_platform.h>
 
 #include <asm/hardware/gic.h>
 
@@ -570,6 +571,14 @@ static void __init dalmore_ramconsole_reserve(unsigned long size)
 	tegra_ram_console_debug_reserve(SZ_1M);
 }
 
+static void __init tegra_dalmore_dt_init(void)
+{
+	tegra_dalmore_init();
+
+	of_platform_populate(NULL,
+		of_default_bus_match_table, NULL, NULL);
+}
+
 static void __init tegra_dalmore_reserve(void)
 {
 #if defined(CONFIG_NVMAP_CONVERT_CARVEOUT_TO_IOVMM)
@@ -581,6 +590,11 @@ static void __init tegra_dalmore_reserve(void)
 	dalmore_ramconsole_reserve(SZ_1M);
 }
 
+static const char * const dalmore_dt_board_compat[] = {
+	"nvidia,dalmore",
+	NULL
+};
+
 MACHINE_START(DALMORE, "dalmore")
 	.atag_offset	= 0x100,
 	.smp		= smp_ops(tegra_smp_ops),
@@ -594,6 +608,7 @@ MACHINE_START(DALMORE, "dalmore")
 	.init_irq	= tegra_init_irq,
 	.handle_irq	= gic_handle_irq,
 	.timer		= &tegra_timer,
-	.init_machine	= tegra_dalmore_init,
+	.init_machine	= tegra_dalmore_dt_init,
 	.restart	= tegra_assert_system_reset,
+	.dt_compat	= dalmore_dt_board_compat,
 MACHINE_END
diff --git a/arch/arm/mach-tegra/board-pluto.c b/arch/arm/mach-tegra/board-pluto.c
index 786988e5e1fb..37e39d609a3b 100644
--- a/arch/arm/mach-tegra/board-pluto.c
+++ b/arch/arm/mach-tegra/board-pluto.c
@@ -45,6 +45,7 @@
 #include <linux/leds.h>
 #include <linux/i2c/at24.h>
 #include <linux/mfd/max8831.h>
+#include <linux/of_platform.h>
 
 #include <asm/hardware/gic.h>
 
@@ -636,6 +637,14 @@ static void __init pluto_ramconsole_reserve(unsigned long size)
 	tegra_ram_console_debug_reserve(SZ_1M);
 }
 
+static void __init tegra_pluto_dt_init(void)
+{
+	tegra_pluto_init();
+
+	of_platform_populate(NULL,
+		of_default_bus_match_table, NULL, NULL);
+}
+
 static void __init tegra_pluto_reserve(void)
 {
 #if defined(CONFIG_NVMAP_CONVERT_CARVEOUT_TO_IOVMM)
@@ -647,6 +656,11 @@ static void __init tegra_pluto_reserve(void)
 	pluto_ramconsole_reserve(SZ_1M);
 }
 
+static const char * const pluto_dt_board_compat[] = {
+	"nvidia,pluto",
+	NULL
+};
+
 MACHINE_START(TEGRA_PLUTO, "tegra_pluto")
 	.atag_offset	= 0x100,
 	.smp		= smp_ops(tegra_smp_ops),
@@ -660,6 +674,7 @@ MACHINE_START(TEGRA_PLUTO, "tegra_pluto")
 	.init_irq	= tegra_init_irq,
 	.handle_irq	= gic_handle_irq,
 	.timer		= &tegra_timer,
-	.init_machine	= tegra_pluto_init,
+	.init_machine	= tegra_pluto_dt_init,
 	.restart	= tegra_assert_system_reset,
+	.dt_compat	= pluto_dt_board_compat,
 MACHINE_END