diff options
Diffstat (limited to 'arch/arm/mach-mx3/mx31moboard-devboard.c')
-rw-r--r-- | arch/arm/mach-mx3/mx31moboard-devboard.c | 123 |
1 files changed, 116 insertions, 7 deletions
diff --git a/arch/arm/mach-mx3/mx31moboard-devboard.c b/arch/arm/mach-mx3/mx31moboard-devboard.c index d080b4add79c..4704405165a1 100644 --- a/arch/arm/mach-mx3/mx31moboard-devboard.c +++ b/arch/arm/mach-mx3/mx31moboard-devboard.c | |||
@@ -16,33 +16,142 @@ | |||
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> |
26 | #include <mach/imx-uart.h> | 27 | #include <mach/imx-uart.h> |
27 | #include <mach/iomux-mx3.h> | 28 | #include <mach/iomux-mx3.h> |
29 | #include <mach/hardware.h> | ||
30 | #include <mach/mmc.h> | ||
28 | 31 | ||
29 | #include "devices.h" | 32 | #include "devices.h" |
30 | 33 | ||
34 | static unsigned int devboard_pins[] = { | ||
35 | /* UART1 */ | ||
36 | MX31_PIN_CTS2__CTS2, MX31_PIN_RTS2__RTS2, | ||
37 | MX31_PIN_TXD2__TXD2, MX31_PIN_RXD2__RXD2, | ||
38 | /* SDHC2 */ | ||
39 | MX31_PIN_PC_PWRON__SD2_DATA3, MX31_PIN_PC_VS1__SD2_DATA2, | ||
40 | MX31_PIN_PC_READY__SD2_DATA1, MX31_PIN_PC_WAIT_B__SD2_DATA0, | ||
41 | MX31_PIN_PC_CD2_B__SD2_CLK, MX31_PIN_PC_CD1_B__SD2_CMD, | ||
42 | MX31_PIN_ATA_DIOR__GPIO3_28, MX31_PIN_ATA_DIOW__GPIO3_29, | ||
43 | /* USB OTG */ | ||
44 | MX31_PIN_USBOTG_DATA0__USBOTG_DATA0, | ||
45 | MX31_PIN_USBOTG_DATA1__USBOTG_DATA1, | ||
46 | MX31_PIN_USBOTG_DATA2__USBOTG_DATA2, | ||
47 | MX31_PIN_USBOTG_DATA3__USBOTG_DATA3, | ||
48 | MX31_PIN_USBOTG_DATA4__USBOTG_DATA4, | ||
49 | MX31_PIN_USBOTG_DATA5__USBOTG_DATA5, | ||
50 | MX31_PIN_USBOTG_DATA6__USBOTG_DATA6, | ||
51 | MX31_PIN_USBOTG_DATA7__USBOTG_DATA7, | ||
52 | MX31_PIN_USBOTG_CLK__USBOTG_CLK, MX31_PIN_USBOTG_DIR__USBOTG_DIR, | ||
53 | MX31_PIN_USBOTG_NXT__USBOTG_NXT, MX31_PIN_USBOTG_STP__USBOTG_STP, | ||
54 | MX31_PIN_USB_OC__GPIO1_30, | ||
55 | }; | ||
56 | |||
31 | static struct imxuart_platform_data uart_pdata = { | 57 | static struct imxuart_platform_data uart_pdata = { |
32 | .flags = IMXUART_HAVE_RTSCTS, | 58 | .flags = IMXUART_HAVE_RTSCTS, |
33 | }; | 59 | }; |
34 | 60 | ||
35 | static int mxc_uart1_pins[] = { | 61 | #define SDHC2_CD IOMUX_TO_GPIO(MX31_PIN_ATA_DIOR) |
36 | MX31_PIN_CTS2__CTS2, MX31_PIN_RTS2__RTS2, | 62 | #define SDHC2_WP IOMUX_TO_GPIO(MX31_PIN_ATA_DIOW) |
37 | MX31_PIN_TXD2__TXD2, MX31_PIN_RXD2__RXD2, | 63 | |
64 | static int devboard_sdhc2_get_ro(struct device *dev) | ||
65 | { | ||
66 | return gpio_get_value(SDHC2_WP); | ||
67 | } | ||
68 | |||
69 | static int devboard_sdhc2_init(struct device *dev, irq_handler_t detect_irq, | ||
70 | void *data) | ||
71 | { | ||
72 | int ret; | ||
73 | |||
74 | ret = gpio_request(SDHC2_CD, "sdhc-detect"); | ||
75 | if (ret) | ||
76 | return ret; | ||
77 | |||
78 | gpio_direction_input(SDHC2_CD); | ||
79 | |||
80 | ret = gpio_request(SDHC2_WP, "sdhc-wp"); | ||
81 | if (ret) | ||
82 | goto err_gpio_free; | ||
83 | gpio_direction_input(SDHC2_WP); | ||
84 | |||
85 | ret = request_irq(gpio_to_irq(SDHC2_CD), detect_irq, | ||
86 | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, | ||
87 | "sdhc2-card-detect", data); | ||
88 | if (ret) | ||
89 | goto err_gpio_free_2; | ||
90 | |||
91 | return 0; | ||
92 | |||
93 | err_gpio_free_2: | ||
94 | gpio_free(SDHC2_WP); | ||
95 | err_gpio_free: | ||
96 | gpio_free(SDHC2_CD); | ||
97 | |||
98 | return ret; | ||
99 | } | ||
100 | |||
101 | static void devboard_sdhc2_exit(struct device *dev, void *data) | ||
102 | { | ||
103 | free_irq(gpio_to_irq(SDHC2_CD), data); | ||
104 | gpio_free(SDHC2_WP); | ||
105 | gpio_free(SDHC2_CD); | ||
106 | } | ||
107 | |||
108 | static struct imxmmc_platform_data sdhc2_pdata = { | ||
109 | .get_ro = devboard_sdhc2_get_ro, | ||
110 | .init = devboard_sdhc2_init, | ||
111 | .exit = devboard_sdhc2_exit, | ||
112 | }; | ||
113 | |||
114 | static struct fsl_usb2_platform_data usb_pdata = { | ||
115 | .operating_mode = FSL_USB2_DR_DEVICE, | ||
116 | .phy_mode = FSL_USB2_PHY_ULPI, | ||
38 | }; | 117 | }; |
39 | 118 | ||
119 | #define OTG_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST) | ||
120 | #define OTG_EN_B IOMUX_TO_GPIO(MX31_PIN_USB_OC) | ||
121 | |||
122 | static void devboard_usbotg_init(void) | ||
123 | { | ||
124 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, OTG_PAD_CFG); | ||
125 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, OTG_PAD_CFG); | ||
126 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, OTG_PAD_CFG); | ||
127 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, OTG_PAD_CFG); | ||
128 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, OTG_PAD_CFG); | ||
129 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, OTG_PAD_CFG); | ||
130 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, OTG_PAD_CFG); | ||
131 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, OTG_PAD_CFG); | ||
132 | mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, OTG_PAD_CFG); | ||
133 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, OTG_PAD_CFG); | ||
134 | mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, OTG_PAD_CFG); | ||
135 | mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, OTG_PAD_CFG); | ||
136 | |||
137 | gpio_request(OTG_EN_B, "usb-udc-en"); | ||
138 | gpio_direction_output(OTG_EN_B, 0); | ||
139 | } | ||
140 | |||
40 | /* | 141 | /* |
41 | * system init for baseboard usage. Will be called by mx31moboard init. | 142 | * system init for baseboard usage. Will be called by mx31moboard init. |
42 | */ | 143 | */ |
43 | void __init mx31moboard_devboard_init(void) | 144 | void __init mx31moboard_devboard_init(void) |
44 | { | 145 | { |
45 | printk(KERN_INFO "Initializing mx31devboard peripherals\n"); | 146 | printk(KERN_INFO "Initializing mx31devboard peripherals\n"); |
46 | mxc_iomux_setup_multiple_pins(mxc_uart1_pins, ARRAY_SIZE(mxc_uart1_pins), "uart1"); | 147 | |
148 | mxc_iomux_setup_multiple_pins(devboard_pins, ARRAY_SIZE(devboard_pins), | ||
149 | "devboard"); | ||
150 | |||
47 | mxc_register_device(&mxc_uart_device1, &uart_pdata); | 151 | mxc_register_device(&mxc_uart_device1, &uart_pdata); |
152 | |||
153 | mxc_register_device(&mxcsdhc_device1, &sdhc2_pdata); | ||
154 | |||
155 | devboard_usbotg_init(); | ||
156 | mxc_register_device(&mxc_otg_udc_device, &usb_pdata); | ||
48 | } | 157 | } |