mx31moboard: support for usbh1 and usbh2

[pandora-kernel.git] / arch / arm / mach-mx3 / mx31moboard-marxbot.c

diff --git a/arch/arm/mach-mx3/mx31moboard-marxbot.c b/arch/arm/mach-mx3/mx31moboard-marxbot.c
index 7d98cb0..85184a3 100644 (file)
--- a/arch/arm/mach-mx3/mx31moboard-marxbot.c
+++ b/arch/arm/mach-mx3/mx31moboard-marxbot.c
@@ -25,11 +25,15 @@
 #include <linux/platform_device.h>
 #include <linux/types.h>
 
+#include <linux/usb/otg.h>
+
 #include <mach/common.h>
 #include <mach/hardware.h>
 #include <mach/imx-uart.h>
 #include <mach/iomux-mx3.h>
 #include <mach/mmc.h>
+#include <mach/mxc_ehci.h>
+#include <mach/ulpi.h>
 
 #include <media/soc_camera.h>
 
@@ -56,6 +60,12 @@ static unsigned int marxbot_pins[] = {
        MX31_PIN_STXD5__GPIO1_21, MX31_PIN_SRXD5__GPIO1_22,
        /*battery detection */
        MX31_PIN_LCS0__GPIO3_23,
+       /* USB H1 */
+       MX31_PIN_CSPI1_MISO__USBH1_RXDP, MX31_PIN_CSPI1_MOSI__USBH1_RXDM,
+       MX31_PIN_CSPI1_SS0__USBH1_TXDM, MX31_PIN_CSPI1_SS1__USBH1_TXDP,
+       MX31_PIN_CSPI1_SS2__USBH1_RCV, MX31_PIN_CSPI1_SCLK__USBH1_OEB,
+       MX31_PIN_CSPI1_SPI_RDY__USBH1_FS, MX31_PIN_SFS6__USBH1_SUSPEND,
+       MX31_PIN_NFRE_B__GPIO1_11, MX31_PIN_NFALE__GPIO1_12,
 };
 
 #define SDHC2_CD IOMUX_TO_GPIO(MX31_PIN_ATA_DIOR)
@@ -213,6 +223,80 @@ static int __init marxbot_cam_init(void)
        return 0;
 }
 
+#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
+                       PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
+
+static int marxbot_usbh1_hw_init(struct platform_device *pdev)
+{
+       mxc_iomux_set_gpr(MUX_PGP_USB_SUSPEND, true);
+
+       mxc_iomux_set_pad(MX31_PIN_CSPI1_MISO, USB_PAD_CFG);
+       mxc_iomux_set_pad(MX31_PIN_CSPI1_MOSI, USB_PAD_CFG);
+       mxc_iomux_set_pad(MX31_PIN_CSPI1_SS0, USB_PAD_CFG);
+       mxc_iomux_set_pad(MX31_PIN_CSPI1_SS1, USB_PAD_CFG);
+       mxc_iomux_set_pad(MX31_PIN_CSPI1_SS2, USB_PAD_CFG);
+       mxc_iomux_set_pad(MX31_PIN_CSPI1_SCLK, USB_PAD_CFG);
+       mxc_iomux_set_pad(MX31_PIN_CSPI1_SPI_RDY, USB_PAD_CFG);
+       mxc_iomux_set_pad(MX31_PIN_SFS6, USB_PAD_CFG);
+
+       return 0;
+}
+
+#define USBH1_VBUSEN_B IOMUX_TO_GPIO(MX31_PIN_NFRE_B)
+#define USBH1_MODE     IOMUX_TO_GPIO(MX31_PIN_NFALE)
+
+static int marxbot_isp1105_init(struct otg_transceiver *otg)
+{
+       int ret = gpio_request(USBH1_MODE, "usbh1-mode");
+       if (ret)
+               return ret;
+       /* single ended */
+       gpio_direction_output(USBH1_MODE, 0);
+
+       ret = gpio_request(USBH1_VBUSEN_B, "usbh1-vbusen");
+       if (ret) {
+               gpio_free(USBH1_MODE);
+               return ret;
+       }
+       gpio_direction_output(USBH1_VBUSEN_B, 1);
+
+       return 0;
+}
+
+
+static int marxbot_isp1105_set_vbus(struct otg_transceiver *otg, bool on)
+{
+       if (on)
+               gpio_set_value(USBH1_VBUSEN_B, 0);
+       else
+               gpio_set_value(USBH1_VBUSEN_B, 1);
+
+       return 0;
+}
+
+static struct mxc_usbh_platform_data usbh1_pdata = {
+       .init   = marxbot_usbh1_hw_init,
+       .portsc = MXC_EHCI_MODE_UTMI | MXC_EHCI_SERIAL,
+       .flags  = MXC_EHCI_POWER_PINS_ENABLED | MXC_EHCI_INTERFACE_SINGLE_UNI,
+};
+
+static int __init marxbot_usbh1_init(void)
+{
+       struct otg_transceiver *otg;
+
+       otg = kzalloc(sizeof(*otg), GFP_KERNEL);
+       if (!otg)
+               return -ENOMEM;
+
+       otg->label      = "ISP1105";
+       otg->init       = marxbot_isp1105_init;
+       otg->set_vbus   = marxbot_isp1105_set_vbus;
+
+       usbh1_pdata.otg = otg;
+
+       return mxc_register_device(&mx31_usbh1, &usbh1_pdata);
+}
+
 /*
  * system init for baseboard usage. Will be called by mx31moboard init.
  */
@@ -237,4 +321,6 @@ void __init mx31moboard_marxbot_init(void)
        gpio_request(IOMUX_TO_GPIO(MX31_PIN_LCS0), "bat-present");
        gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_LCS0));
        gpio_export(IOMUX_TO_GPIO(MX31_PIN_LCS0), false);
+
+       marxbot_usbh1_init();
 }