ARM: tegra: paz00: enable usb ports

This patch add support for the second and third ehci bus on paz00.
The first bus needs gadget and nvec support and will be added once
the needed patches are upstream.

Signed-off-by: Marc Dietrich <marvin24@gmx.de>
Signed-off-by: Colin Cross <ccross@android.com>

3 files changed, 36 insertions, 1 deletions

diff --git a/arch/arm/mach-tegra/board-paz00-pinmux.c b/arch/arm/mach-tegra/board-paz00-pinmux.c
index d2faa50174ef..acee62e26e9b 100644
--- a/arch/arm/mach-tegra/board-paz00-pinmux.c
+++ b/arch/arm/mach-tegra/board-paz00-pinmux.c
@@ -147,6 +147,7 @@ static struct tegra_gpio_table gpio_table[] = {
         { .gpio = TEGRA_GPIO_SD4_CD,    .enable = true },
         { .gpio = TEGRA_GPIO_SD4_WP,    .enable = true },
         { .gpio = TEGRA_GPIO_SD4_POWER, .enable = true },
+        { .gpio = TEGRA_ULPI_RST,       .enable = true },
 };
 
 void paz00_pinmux_init(void)
diff --git a/arch/arm/mach-tegra/board-paz00.c b/arch/arm/mach-tegra/board-paz00.c
index 5f1c110c508b..e1e19598c648 100644
--- a/arch/arm/mach-tegra/board-paz00.c
+++ b/arch/arm/mach-tegra/board-paz00.c
@@ -27,6 +27,7 @@
 #include <linux/io.h>
 #include <linux/i2c.h>
 #include <linux/i2c-tegra.h>
+#include <linux/platform_data/tegra_usb.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -36,6 +37,8 @@
 #include <mach/iomap.h>
 #include <mach/irqs.h>
 #include <mach/sdhci.h>
+#include <mach/usb_phy.h>
+#include <mach/gpio.h>
 
 #include "board.h"
 #include "board-paz00.h"
@@ -95,6 +98,36 @@ static void paz00_i2c_init(void)
         platform_device_register(&tegra_i2c_device4);
 }
 
+static struct tegra_ulpi_config ulpi_phy_config = {
+                .reset_gpio = TEGRA_ULPI_RST,
+                .clk = "cdev2",
+};
+
+static struct tegra_ehci_platform_data tegra_ehci_pdata[] = {
+                [0] = {
+                        .operating_mode = TEGRA_USB_OTG,
+                        .power_down_on_bus_suspend = 1,
+                },
+                [1] = {
+                        .phy_config = &ulpi_phy_config,
+                        .operating_mode = TEGRA_USB_HOST,
+                        .power_down_on_bus_suspend = 1,
+                },
+                [2] = {
+                        .operating_mode = TEGRA_USB_HOST,
+                        .power_down_on_bus_suspend = 1,
+                },
+};
+
+static void paz00_usb_init(void)
+{
+        tegra_ehci2_device.dev.platform_data = &tegra_ehci_pdata[1];
+        tegra_ehci3_device.dev.platform_data = &tegra_ehci_pdata[2];
+
+        platform_device_register(&tegra_ehci2_device);
+        platform_device_register(&tegra_ehci3_device);
+}
+
 static void __init tegra_paz00_fixup(struct machine_desc *desc,
         struct tag *tags, char **cmdline, struct meminfo *mi)
 {
@@ -109,7 +142,6 @@ static __initdata struct tegra_clk_init_table paz00_clk_init_table[] = {
         { NULL,         NULL,           0,              0},
 };
 
-
 static struct tegra_sdhci_platform_data sdhci_pdata1 = {
         .cd_gpio        = TEGRA_GPIO_SD1_CD,
         .wp_gpio        = TEGRA_GPIO_SD1_WP,
@@ -142,6 +174,7 @@ static void __init tegra_paz00_init(void)
         platform_add_devices(paz00_devices, ARRAY_SIZE(paz00_devices));
 
         paz00_i2c_init();
+        paz00_usb_init();
 }
 
 MACHINE_START(PAZ00, "paz00")
diff --git a/arch/arm/mach-tegra/board-paz00.h b/arch/arm/mach-tegra/board-paz00.h
index 221ce9c662da..6b0b733fe553 100644
--- a/arch/arm/mach-tegra/board-paz00.h
+++ b/arch/arm/mach-tegra/board-paz00.h
@@ -23,6 +23,7 @@
 #define TEGRA_GPIO_SD4_CD               TEGRA_GPIO_PH2
 #define TEGRA_GPIO_SD4_WP               TEGRA_GPIO_PH3
 #define TEGRA_GPIO_SD4_POWER            TEGRA_GPIO_PI6
+#define TEGRA_ULPI_RST                  TEGRA_GPIO_PV0
 
 void paz00_pinmux_init(void);