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Diffstat (limited to 'arch/arm/mach-mx3/mx31moboard-devboard.c')
-rw-r--r--arch/arm/mach-mx3/mx31moboard-devboard.c123
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
34static 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
31static struct imxuart_platform_data uart_pdata = { 57static struct imxuart_platform_data uart_pdata = {
32 .flags = IMXUART_HAVE_RTSCTS, 58 .flags = IMXUART_HAVE_RTSCTS,
33}; 59};
34 60
35static 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
64static int devboard_sdhc2_get_ro(struct device *dev)
65{
66 return gpio_get_value(SDHC2_WP);
67}
68
69static 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
93err_gpio_free_2:
94 gpio_free(SDHC2_WP);
95err_gpio_free:
96 gpio_free(SDHC2_CD);
97
98 return ret;
99}
100
101static 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
108static 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
114static 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
122static 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 */
43void __init mx31moboard_devboard_init(void) 144void __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}