diff options
Diffstat (limited to 'arch/arm/mach-mx3/mx31moboard-marxbot.c')
| -rw-r--r-- | arch/arm/mach-mx3/mx31moboard-marxbot.c | 128 |
1 files changed, 125 insertions, 3 deletions
diff --git a/arch/arm/mach-mx3/mx31moboard-marxbot.c b/arch/arm/mach-mx3/mx31moboard-marxbot.c index 9ef9566823fb..641c3d6153ae 100644 --- a/arch/arm/mach-mx3/mx31moboard-marxbot.c +++ b/arch/arm/mach-mx3/mx31moboard-marxbot.c | |||
| @@ -16,22 +16,144 @@ | |||
| 16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | 16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 17 | */ | 17 | */ |
| 18 | 18 | ||
| 19 | #include <linux/types.h> | 19 | #include <linux/fsl_devices.h> |
| 20 | #include <linux/gpio.h> | ||
| 20 | #include <linux/init.h> | 21 | #include <linux/init.h> |
| 21 | 22 | #include <linux/interrupt.h> | |
| 22 | #include <linux/platform_device.h> | 23 | #include <linux/platform_device.h> |
| 24 | #include <linux/types.h> | ||
| 23 | 25 | ||
| 24 | #include <mach/hardware.h> | ||
| 25 | #include <mach/common.h> | 26 | #include <mach/common.h> |
| 27 | #include <mach/hardware.h> | ||
| 26 | #include <mach/imx-uart.h> | 28 | #include <mach/imx-uart.h> |
| 27 | #include <mach/iomux-mx3.h> | 29 | #include <mach/iomux-mx3.h> |
| 30 | #include <mach/mmc.h> | ||
| 28 | 31 | ||
| 29 | #include "devices.h" | 32 | #include "devices.h" |
| 30 | 33 | ||
| 34 | static unsigned int marxbot_pins[] = { | ||
| 35 | /* SDHC2 */ | ||
| 36 | MX31_PIN_PC_PWRON__SD2_DATA3, MX31_PIN_PC_VS1__SD2_DATA2, | ||
| 37 | MX31_PIN_PC_READY__SD2_DATA1, MX31_PIN_PC_WAIT_B__SD2_DATA0, | ||
| 38 | MX31_PIN_PC_CD2_B__SD2_CLK, MX31_PIN_PC_CD1_B__SD2_CMD, | ||
| 39 | MX31_PIN_ATA_DIOR__GPIO3_28, MX31_PIN_ATA_DIOW__GPIO3_29, | ||
| 40 | /* CSI */ | ||
| 41 | MX31_PIN_CSI_D4__CSI_D4, MX31_PIN_CSI_D5__CSI_D5, | ||
| 42 | MX31_PIN_CSI_D6__CSI_D6, MX31_PIN_CSI_D7__CSI_D7, | ||
| 43 | MX31_PIN_CSI_D8__CSI_D8, MX31_PIN_CSI_D9__CSI_D9, | ||
| 44 | MX31_PIN_CSI_D10__CSI_D10, MX31_PIN_CSI_D11__CSI_D11, | ||
| 45 | MX31_PIN_CSI_D12__CSI_D12, MX31_PIN_CSI_D13__CSI_D13, | ||
| 46 | MX31_PIN_CSI_D14__CSI_D14, MX31_PIN_CSI_D15__CSI_D15, | ||
| 47 | MX31_PIN_CSI_HSYNC__CSI_HSYNC, MX31_PIN_CSI_MCLK__CSI_MCLK, | ||
| 48 | MX31_PIN_CSI_PIXCLK__CSI_PIXCLK, MX31_PIN_CSI_VSYNC__CSI_VSYNC, | ||
| 49 | MX31_PIN_GPIO3_0__GPIO3_0, MX31_PIN_GPIO3_1__GPIO3_1, | ||
| 50 | MX31_PIN_TXD2__GPIO1_28, | ||
| 51 | /* USB OTG */ | ||
| 52 | MX31_PIN_USBOTG_DATA0__USBOTG_DATA0, | ||
| 53 | MX31_PIN_USBOTG_DATA1__USBOTG_DATA1, | ||
| 54 | MX31_PIN_USBOTG_DATA2__USBOTG_DATA2, | ||
| 55 | MX31_PIN_USBOTG_DATA3__USBOTG_DATA3, | ||
| 56 | MX31_PIN_USBOTG_DATA4__USBOTG_DATA4, | ||
| 57 | MX31_PIN_USBOTG_DATA5__USBOTG_DATA5, | ||
| 58 | MX31_PIN_USBOTG_DATA6__USBOTG_DATA6, | ||
| 59 | MX31_PIN_USBOTG_DATA7__USBOTG_DATA7, | ||
| 60 | MX31_PIN_USBOTG_CLK__USBOTG_CLK, MX31_PIN_USBOTG_DIR__USBOTG_DIR, | ||
| 61 | MX31_PIN_USBOTG_NXT__USBOTG_NXT, MX31_PIN_USBOTG_STP__USBOTG_STP, | ||
| 62 | MX31_PIN_USB_OC__GPIO1_30, | ||
| 63 | }; | ||
| 64 | |||
| 65 | #define SDHC2_CD IOMUX_TO_GPIO(MX31_PIN_ATA_DIOR) | ||
| 66 | #define SDHC2_WP IOMUX_TO_GPIO(MX31_PIN_ATA_DIOW) | ||
| 67 | |||
| 68 | static int marxbot_sdhc2_get_ro(struct device *dev) | ||
| 69 | { | ||
| 70 | return gpio_get_value(SDHC2_WP); | ||
| 71 | } | ||
| 72 | |||
| 73 | static int marxbot_sdhc2_init(struct device *dev, irq_handler_t detect_irq, | ||
| 74 | void *data) | ||
| 75 | { | ||
| 76 | int ret; | ||
| 77 | |||
| 78 | ret = gpio_request(SDHC2_CD, "sdhc-detect"); | ||
| 79 | if (ret) | ||
| 80 | return ret; | ||
| 81 | |||
| 82 | gpio_direction_input(SDHC2_CD); | ||
| 83 | |||
| 84 | ret = gpio_request(SDHC2_WP, "sdhc-wp"); | ||
| 85 | if (ret) | ||
| 86 | goto err_gpio_free; | ||
| 87 | gpio_direction_input(SDHC2_WP); | ||
| 88 | |||
| 89 | ret = request_irq(gpio_to_irq(SDHC2_CD), detect_irq, | ||
| 90 | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, | ||
| 91 | "sdhc2-card-detect", data); | ||
| 92 | if (ret) | ||
| 93 | goto err_gpio_free_2; | ||
| 94 | |||
| 95 | return 0; | ||
| 96 | |||
| 97 | err_gpio_free_2: | ||
| 98 | gpio_free(SDHC2_WP); | ||
| 99 | err_gpio_free: | ||
| 100 | gpio_free(SDHC2_CD); | ||
| 101 | |||
| 102 | return ret; | ||
| 103 | } | ||
| 104 | |||
| 105 | static void marxbot_sdhc2_exit(struct device *dev, void *data) | ||
| 106 | { | ||
| 107 | free_irq(gpio_to_irq(SDHC2_CD), data); | ||
| 108 | gpio_free(SDHC2_WP); | ||
| 109 | gpio_free(SDHC2_CD); | ||
| 110 | } | ||
| 111 | |||
| 112 | static struct imxmmc_platform_data sdhc2_pdata = { | ||
| 113 | .get_ro = marxbot_sdhc2_get_ro, | ||
| 114 | .init = marxbot_sdhc2_init, | ||
| 115 | .exit = marxbot_sdhc2_exit, | ||
| 116 | }; | ||
| 117 | |||
| 118 | static struct fsl_usb2_platform_data usb_pdata = { | ||
| 119 | .operating_mode = FSL_USB2_DR_DEVICE, | ||
| 120 | .phy_mode = FSL_USB2_PHY_ULPI, | ||
| 121 | }; | ||
| 122 | |||
| 123 | #define OTG_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST) | ||
| 124 | #define OTG_EN_B IOMUX_TO_GPIO(MX31_PIN_USB_OC) | ||
| 125 | |||
| 126 | static void marxbot_usbotg_init(void) | ||
| 127 | { | ||
| 128 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, OTG_PAD_CFG); | ||
| 129 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, OTG_PAD_CFG); | ||
| 130 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, OTG_PAD_CFG); | ||
| 131 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, OTG_PAD_CFG); | ||
| 132 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, OTG_PAD_CFG); | ||
| 133 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, OTG_PAD_CFG); | ||
| 134 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, OTG_PAD_CFG); | ||
| 135 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, OTG_PAD_CFG); | ||
| 136 | mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, OTG_PAD_CFG); | ||
| 137 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, OTG_PAD_CFG); | ||
| 138 | mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, OTG_PAD_CFG); | ||
| 139 | mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, OTG_PAD_CFG); | ||
| 140 | |||
| 141 | gpio_request(OTG_EN_B, "usb-udc-en"); | ||
| 142 | gpio_direction_output(OTG_EN_B, 0); | ||
| 143 | } | ||
| 144 | |||
| 31 | /* | 145 | /* |
| 32 | * system init for baseboard usage. Will be called by mx31moboard init. | 146 | * system init for baseboard usage. Will be called by mx31moboard init. |
| 33 | */ | 147 | */ |
| 34 | void __init mx31moboard_marxbot_init(void) | 148 | void __init mx31moboard_marxbot_init(void) |
| 35 | { | 149 | { |
| 36 | printk(KERN_INFO "Initializing mx31marxbot peripherals\n"); | 150 | printk(KERN_INFO "Initializing mx31marxbot peripherals\n"); |
| 151 | |||
| 152 | mxc_iomux_setup_multiple_pins(marxbot_pins, ARRAY_SIZE(marxbot_pins), | ||
| 153 | "marxbot"); | ||
| 154 | |||
| 155 | mxc_register_device(&mxcsdhc_device1, &sdhc2_pdata); | ||
| 156 | |||
| 157 | marxbot_usbotg_init(); | ||
| 158 | mxc_register_device(&mxc_otg_udc_device, &usb_pdata); | ||
| 37 | } | 159 | } |
