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 | } |