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Message-ID: <1317248978-10829-4-git-send-email-pdeschrijver@nvidia.com>
Date: Thu, 29 Sep 2011 01:29:36 +0300
From: Peter De Schrijver <pdeschrijver@...dia.com>
To: <pdeschrijver@...dia.com>
CC: Russell King <linux@....linux.org.uk>,
Colin Cross <ccross@...roid.com>,
Erik Gilling <konkers@...roid.com>,
Olof Johansson <olof@...om.net>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>, <linux-tegra@...r.kernel.org>
Subject: [PATCH v5 3/3] arm/tegra: device tree support for ventana board
Signed-off-by: Peter De Schrijver <pdeschrijver@...dia.com>
---
arch/arm/boot/dts/tegra-ventana.dts | 32 ++++++++++++++++++++++++++++++++
arch/arm/mach-tegra/Kconfig | 6 ++++++
arch/arm/mach-tegra/Makefile.boot | 1 +
arch/arm/mach-tegra/board-dt.c | 26 +++++++++++++++++++++-----
4 files changed, 60 insertions(+), 5 deletions(-)
create mode 100644 arch/arm/boot/dts/tegra-ventana.dts
diff --git a/arch/arm/boot/dts/tegra-ventana.dts b/arch/arm/boot/dts/tegra-ventana.dts
new file mode 100644
index 0000000..9b29a62
--- /dev/null
+++ b/arch/arm/boot/dts/tegra-ventana.dts
@@ -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@...06300 {
+ clock-frequency = < 216000000 >;
+ };
+
+ sdhci@...00400 {
+ cd-gpios = <&gpio 69 0>; /* gpio PI5 */
+ wp-gpios = <&gpio 57 0>; /* gpio PH1 */
+ power-gpios = <&gpio 155 0>; /* gpio PT3 */
+ };
+
+ sdhci@...00600 {
+ power-gpios = <&gpio 70 0>; /* gpio PI6 */
+ support-8bit;
+ };
+};
diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig
index d82ebab..91aff7c 100644
--- a/arch/arm/mach-tegra/Kconfig
+++ b/arch/arm/mach-tegra/Kconfig
@@ -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
diff --git a/arch/arm/mach-tegra/Makefile.boot b/arch/arm/mach-tegra/Makefile.boot
index 5e870d2..bd12c9f 100644
--- a/arch/arm/mach-tegra/Makefile.boot
+++ b/arch/arm/mach-tegra/Makefile.boot
@@ -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
diff --git a/arch/arm/mach-tegra/board-dt.c b/arch/arm/mach-tegra/board-dt.c
index 9f47e04..80008e9 100644
--- a/arch/arm/mach-tegra/board-dt.c
+++ b/arch/arm/mach-tegra/board-dt.c
@@ -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].name)) {
+ pinmux_configs[i].init();
+ break;
+ }
+ }
+
+ if (i == ARRAY_SIZE(pinmux_configs))
+ printk(KERN_WARNING "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
};
--
1.7.0.4
--
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