diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-08 08:12:43 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-08 08:12:43 -0800 |
commit | 79c9601c2e0dbbe69895d302de4d19f3a31fbd30 (patch) | |
tree | 78d4be2df851b2b4106adcfd736622a90cecf9e9 /arch/arm/mach-mx3/mx31moboard-devboard.c | |
parent | 41440ffe21f29bdb985cab76b2d0b06d83e63b19 (diff) | |
parent | 3d14b5beba35250c548d3851a2b84fce742d8311 (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.c | 86 |
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(); } |