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arm/tegra: device tree support for ventana board 

Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
This commit is contained in:
Peter De Schrijver 2011-10-12 14:53:05 +03:00 committed by Olof Johansson
parent 21fb1ccc92
commit add29e61d4
4 changed files with 60 additions and 5 deletions
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32
arch/arm/boot/dts/tegra-ventana.dts Normal file
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@ -0,0 +1,32 @@
/dts-v1/;
/memreserve/ 0x1c000000 0x04000000;
/include/ "tegra20.dtsi"
/ {
model = "NVIDIA Tegra2 Ventana evaluation board";
compatible = "nvidia,ventana", "nvidia,tegra20";
chosen {
bootargs = "vmalloc=192M video=tegrafb console=ttyS0,115200n8 root=/dev/ram rdinit=/sbin/init";
};
memory {
reg = < 0x00000000 0x40000000 >;
};
serial@70006300 {
clock-frequency = < 216000000 >;
};
sdhci@c8000400 {
cd-gpios = <&gpio 69 0>; /* gpio PI5 */
wp-gpios = <&gpio 57 0>; /* gpio PH1 */
power-gpios = <&gpio 155 0>; /* gpio PT3 */
};
sdhci@c8000600 {
power-gpios = <&gpio 70 0>; /* gpio PI6 */
support-8bit;
};
};

6
arch/arm/mach-tegra/Kconfig
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@ -69,6 +69,12 @@ config MACH_WARIO
help
Support for the Wario version of Seaboard
config MACH_VENTANA
bool "Ventana board"
select MACH_TEGRA_DT
help
Support for the nVidia Ventana development platform
choice
prompt "Low-level debug console UART"
default TEGRA_DEBUG_UART_NONE

1
arch/arm/mach-tegra/Makefile.boot
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@ -4,3 +4,4 @@ initrd_phys-$(CONFIG_ARCH_TEGRA_2x_SOC) := 0x00800000
dtb-$(CONFIG_MACH_HARMONY) += tegra-harmony.dtb
dtb-$(CONFIG_MACH_SEABOARD) += tegra-seaboard.dtb
dtb-$(CONFIG_MACH_VENTANA) += tegra-ventana.dtb

26
arch/arm/mach-tegra/board-dt.c
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@ -47,7 +47,7 @@
void harmony_pinmux_init(void);
void seaboard_pinmux_init(void);
void ventana_pinmux_init(void);
struct of_dev_auxdata tegra20_auxdata_lookup[] __initdata = {
OF_DEV_AUXDATA("nvidia,tegra20-sdhci", TEGRA_SDMMC1_BASE, "sdhci-tegra.0", NULL),
@ -80,9 +80,19 @@ static struct of_device_id tegra_dt_gic_match[] __initdata = {
{}
};
static struct {
char *machine;
void (*init)(void);
} pinmux_configs[] = {
{ "nvidia,harmony", harmony_pinmux_init },
{ "nvidia,seaboard", seaboard_pinmux_init },
{ "nvidia,ventana", ventana_pinmux_init },
};
static void __init tegra_dt_init(void)
{
struct device_node *node;
int i;
node = of_find_matching_node_by_address(NULL, tegra_dt_gic_match,
TEGRA_ARM_INT_DIST_BASE);
@ -91,10 +101,15 @@ static void __init tegra_dt_init(void)
tegra_clk_init_from_table(tegra_dt_clk_init_table);
if (of_machine_is_compatible("nvidia,harmony"))
harmony_pinmux_init();
else if (of_machine_is_compatible("nvidia,seaboard"))
seaboard_pinmux_init();
for (i = 0; i < ARRAY_SIZE(pinmux_configs); i++) {
if (of_machine_is_compatible(pinmux_configs[i].machine)) {
pinmux_configs[i].init();
break;
}
}
WARN(i == ARRAY_SIZE(pinmux_configs),
"Unknown platform! Pinmuxing not initialized\n");
/*
* Finished with the static registrations now; fill in the missing
@ -106,6 +121,7 @@ static void __init tegra_dt_init(void)
static const char * tegra_dt_board_compat[] = {
"nvidia,harmony",
"nvidia,seaboard",
"nvidia,ventana",
NULL
};