aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-imx/mx31moboard-smartbot.c
diff options
context:
space:
mode:
authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2011-03-17 04:40:29 -0400
committerSascha Hauer <s.hauer@pengutronix.de>2011-05-19 07:11:38 -0400
commit27ad4bf72a27c80c121b2349174e6b41b2e3afd8 (patch)
tree864ddd4e58386f22c9fda4457ebc5bb23d790792 /arch/arm/mach-imx/mx31moboard-smartbot.c
parent7fc92c6092d7208e53d35cda32a9181aae396adf (diff)
ARM: imx: move mx3 support to mach-imx
Fixing a few "please, no space before tabs" and "empty line at end of file" warnings on the way. LAKML-Reference: 1299271882-2130-6-git-send-email-u.kleine-koenig@pengutronix.de Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-imx/mx31moboard-smartbot.c')
-rw-r--r--arch/arm/mach-imx/mx31moboard-smartbot.c209
1 files changed, 209 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mx31moboard-smartbot.c b/arch/arm/mach-imx/mx31moboard-smartbot.c
new file mode 100644
index 000000000000..fabb801e7994
--- /dev/null
+++ b/arch/arm/mach-imx/mx31moboard-smartbot.c
@@ -0,0 +1,209 @@
1/*
2 * Copyright (C) 2009 Valentin Longchamp, EPFL Mobots group
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 */
14
15#include <linux/delay.h>
16#include <linux/gpio.h>
17#include <linux/init.h>
18#include <linux/interrupt.h>
19#include <linux/i2c.h>
20#include <linux/platform_device.h>
21#include <linux/types.h>
22
23#include <linux/usb/otg.h>
24#include <linux/usb/ulpi.h>
25
26#include <mach/common.h>
27#include <mach/hardware.h>
28#include <mach/iomux-mx3.h>
29#include <mach/board-mx31moboard.h>
30#include <mach/ulpi.h>
31
32#include <media/soc_camera.h>
33
34#include "devices-imx31.h"
35
36static unsigned int smartbot_pins[] = {
37 /* UART1 */
38 MX31_PIN_CTS2__CTS2, MX31_PIN_RTS2__RTS2,
39 MX31_PIN_TXD2__TXD2, MX31_PIN_RXD2__RXD2,
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 /* ENABLES */
51 MX31_PIN_DTR_DCE1__GPIO2_8, MX31_PIN_DSR_DCE1__GPIO2_9,
52 MX31_PIN_RI_DCE1__GPIO2_10, MX31_PIN_DCD_DCE1__GPIO2_11,
53};
54
55static const struct imxuart_platform_data uart_pdata __initconst = {
56 .flags = IMXUART_HAVE_RTSCTS,
57};
58
59#define CAM_POWER IOMUX_TO_GPIO(MX31_PIN_GPIO3_1)
60#define CAM_RST_B IOMUX_TO_GPIO(MX31_PIN_GPIO3_0)
61
62static int smartbot_cam_power(struct device *dev, int on)
63{
64 gpio_set_value(CAM_POWER, !on);
65 return 0;
66}
67
68static int smartbot_cam_reset(struct device *dev)
69{
70 gpio_set_value(CAM_RST_B, 0);
71 udelay(100);
72 gpio_set_value(CAM_RST_B, 1);
73 return 0;
74}
75
76static struct i2c_board_info smartbot_i2c_devices[] = {
77 {
78 I2C_BOARD_INFO("mt9t031", 0x5d),
79 },
80};
81
82static struct soc_camera_link base_iclink = {
83 .bus_id = 0, /* Must match with the camera ID */
84 .power = smartbot_cam_power,
85 .reset = smartbot_cam_reset,
86 .board_info = &smartbot_i2c_devices[0],
87 .i2c_adapter_id = 0,
88};
89
90static struct platform_device smartbot_camera[] = {
91 {
92 .name = "soc-camera-pdrv",
93 .id = 0,
94 .dev = {
95 .platform_data = &base_iclink,
96 },
97 },
98};
99
100static struct platform_device *smartbot_cameras[] __initdata = {
101 &smartbot_camera[0],
102};
103
104static int __init smartbot_cam_init(void)
105{
106 int ret = gpio_request(CAM_RST_B, "cam-reset");
107 if (ret)
108 return ret;
109 gpio_direction_output(CAM_RST_B, 1);
110 ret = gpio_request(CAM_POWER, "cam-standby");
111 if (ret)
112 return ret;
113 gpio_direction_output(CAM_POWER, 0);
114
115 return 0;
116}
117
118static const struct fsl_usb2_platform_data usb_pdata __initconst = {
119 .operating_mode = FSL_USB2_DR_DEVICE,
120 .phy_mode = FSL_USB2_PHY_ULPI,
121};
122
123#if defined(CONFIG_USB_ULPI)
124
125static int smartbot_otg_init(struct platform_device *pdev)
126{
127 return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
128}
129
130static struct mxc_usbh_platform_data otg_host_pdata __initdata = {
131 .init = smartbot_otg_init,
132 .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
133};
134
135static int __init smartbot_otg_host_init(void)
136{
137 struct platform_device *pdev;
138
139 otg_host_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
140 ULPI_OTG_DRVVBUS_EXT);
141 if (!otg_host_pdata.otg)
142 return -ENODEV;
143
144 pdev = imx31_add_mxc_ehci_otg(&otg_host_pdata);
145 if (IS_ERR(pdev))
146 return PTR_ERR(pdev);
147
148 return 0;
149}
150#else
151static inline int smartbot_otg_host_init(void) { return 0; }
152#endif
153
154#define POWER_EN IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1)
155#define DSPIC_RST_B IOMUX_TO_GPIO(MX31_PIN_DSR_DCE1)
156#define TRSLAT_RST_B IOMUX_TO_GPIO(MX31_PIN_RI_DCE1)
157#define TRSLAT_SRC_CHOICE IOMUX_TO_GPIO(MX31_PIN_DCD_DCE1)
158
159static void smartbot_resets_init(void)
160{
161 if (!gpio_request(POWER_EN, "power-enable")) {
162 gpio_direction_output(POWER_EN, 0);
163 gpio_export(POWER_EN, false);
164 }
165
166 if (!gpio_request(DSPIC_RST_B, "dspic-rst")) {
167 gpio_direction_output(DSPIC_RST_B, 0);
168 gpio_export(DSPIC_RST_B, false);
169 }
170
171 if (!gpio_request(TRSLAT_RST_B, "translator-rst")) {
172 gpio_direction_output(TRSLAT_RST_B, 0);
173 gpio_export(TRSLAT_RST_B, false);
174 }
175
176 if (!gpio_request(TRSLAT_SRC_CHOICE, "translator-src-choice")) {
177 gpio_direction_output(TRSLAT_SRC_CHOICE, 0);
178 gpio_export(TRSLAT_SRC_CHOICE, false);
179 }
180}
181/*
182 * system init for baseboard usage. Will be called by mx31moboard init.
183 */
184void __init mx31moboard_smartbot_init(int board)
185{
186 printk(KERN_INFO "Initializing mx31smartbot peripherals\n");
187
188 mxc_iomux_setup_multiple_pins(smartbot_pins, ARRAY_SIZE(smartbot_pins),
189 "smartbot");
190
191 imx31_add_imx_uart1(&uart_pdata);
192
193 switch (board) {
194 case MX31SMARTBOT:
195 imx31_add_fsl_usb2_udc(&usb_pdata);
196 break;
197 case MX31EYEBOT:
198 smartbot_otg_host_init();
199 break;
200 default:
201 printk(KERN_WARNING "Unknown board %d, USB OTG not initialized",
202 board);
203 }
204
205 smartbot_resets_init();
206
207 smartbot_cam_init();
208 platform_add_devices(smartbot_cameras, ARRAY_SIZE(smartbot_cameras));
209}