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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 08:12:43 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 08:12:43 -0800
commit79c9601c2e0dbbe69895d302de4d19f3a31fbd30 (patch)
tree78d4be2df851b2b4106adcfd736622a90cecf9e9 /arch/arm/mach-mx3/mx31moboard-devboard.c
parent41440ffe21f29bdb985cab76b2d0b06d83e63b19 (diff)
parent3d14b5beba35250c548d3851a2b84fce742d8311 (diff)
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (272 commits) Fix soc_common PCMCIA configuration ARM: 5827/1: SA1100: h3100/h3600: emit messages on failed gpio_request ARM: 5826/1: SA1100: h3100/h3600: always build htc-egpio driver ARM: 5825/1: SA1100: h3600: update defconfig ARM: 5824/1: SA1100: reuse h3600 PCMCIA driver on h3100 ARM: 5823/1: SA1100: h3100/h3600: add support for gpio-keys ARM: 5822/1: SA1100: h3100/h3600: clean up #includes ARM: 5821/1: SA1100: h3100/h3600: revise copyright boilerplates ARM: 5820/1: SA1100: h3100/h3600: split h3600.c ARM: 5819/1: SA1100: h3100/h3600: merge h3600.h and h3600_gpio.h into h3xxx.h ARM: 5818/1: SA1100: h3100/h3600: drop old GPIO definitions ARM: 5817/1: SA1100: h3100/h3600: configure all unused gpios as inputs ARM: 5816/1: SA1100: h3600: remove IRQ_GPIO_* definitions ARM: 5815/1: SA1100: h3100/h3600: remove now unused assign_h3600_egpio handlers ARM: 5814/1: SA1100: h3100/h3600: convert all users of assign_h3600_egpio to gpiolib ARM: 5813/1: SA1100: h3100/h3600: add htc-egpio driver ARM: 5812/1: SA1100: h3100/h3600: separate machine-specific LCD helpers ARM: 5811/2: pcmcia: convert sa1100_h3600 driver to gpiolib ARM: 5799/1: SA1100: h3600: stop setting direction for LCD pins ARM: 5798/1: SA1100: h3600: remove unused cruft from h3600.h ...
Diffstat (limited to 'arch/arm/mach-mx3/mx31moboard-devboard.c')
-rw-r--r--arch/arm/mach-mx3/mx31moboard-devboard.c86
1 files changed, 86 insertions, 0 deletions
diff --git a/arch/arm/mach-mx3/mx31moboard-devboard.c b/arch/arm/mach-mx3/mx31moboard-devboard.c
index 5592cdb8d0a..8fc624f141c 100644
--- a/arch/arm/mach-mx3/mx31moboard-devboard.c
+++ b/arch/arm/mach-mx3/mx31moboard-devboard.c
@@ -22,11 +22,15 @@
#include <linux/platform_device.h>
#include <linux/types.h>
+#include <linux/usb/otg.h>
+
#include <mach/common.h>
#include <mach/imx-uart.h>
#include <mach/iomux-mx3.h>
#include <mach/hardware.h>
#include <mach/mmc.h>
+#include <mach/mxc_ehci.h>
+#include <mach/ulpi.h>
#include "devices.h"
@@ -39,6 +43,12 @@ static unsigned int devboard_pins[] = {
MX31_PIN_PC_READY__SD2_DATA1, MX31_PIN_PC_WAIT_B__SD2_DATA0,
MX31_PIN_PC_CD2_B__SD2_CLK, MX31_PIN_PC_CD1_B__SD2_CMD,
MX31_PIN_ATA_DIOR__GPIO3_28, MX31_PIN_ATA_DIOW__GPIO3_29,
+ /* 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,
};
static struct imxuart_platform_data uart_pdata = {
@@ -98,6 +108,80 @@ static struct imxmmc_platform_data sdhc2_pdata = {
.exit = devboard_sdhc2_exit,
};
+#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 devboard_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 devboard_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 devboard_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 = devboard_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 devboard_usbh1_init(void)
+{
+ struct otg_transceiver *otg;
+
+ otg = kzalloc(sizeof(*otg), GFP_KERNEL);
+ if (!otg)
+ return -ENOMEM;
+
+ otg->label = "ISP1105";
+ otg->init = devboard_isp1105_init;
+ otg->set_vbus = devboard_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.
*/
@@ -111,4 +195,6 @@ void __init mx31moboard_devboard_init(void)
mxc_register_device(&mxc_uart_device1, &uart_pdata);
mxc_register_device(&mxcsdhc_device1, &sdhc2_pdata);
+
+ devboard_usbh1_init();
}