1 /*
2 * Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
3 * Copyright (C) 2009 Marc Kleine-Budde, Pengutronix
4 * Copyright 2010 Creative Product Design
5 *
6 * Derived from mx35 3stack.
7 * Original author: Fabio Estevam <fabio.estevam@freescale.com>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 */
19
20 #include <linux/types.h>
21 #include <linux/init.h>
22 #include <linux/platform_device.h>
23 #include <linux/mtd/physmap.h>
24 #include <linux/memory.h>
25 #include <linux/gpio.h>
26
27 #include <asm/mach-types.h>
28 #include <asm/mach/arch.h>
29 #include <asm/mach/time.h>
30
31 #include <linux/i2c.h>
32 #include <linux/platform_data/at24.h>
33 #include <linux/mfd/mc13xxx.h>
34
35 #include "common.h"
36 #include "devices-imx35.h"
37 #include "ehci.h"
38 #include "hardware.h"
39 #include "iomux-mx35.h"
40
41 #define GPIO_LCDPWR IMX_GPIO_NR(1, 2)
42 #define GPIO_PMIC_INT IMX_GPIO_NR(2, 0)
43
44 #define GPIO_BUTTON1 IMX_GPIO_NR(1, 4)
45 #define GPIO_BUTTON2 IMX_GPIO_NR(1, 5)
46 #define GPIO_BUTTON3 IMX_GPIO_NR(1, 7)
47 #define GPIO_BUTTON4 IMX_GPIO_NR(1, 8)
48 #define GPIO_BUTTON5 IMX_GPIO_NR(1, 9)
49 #define GPIO_BUTTON6 IMX_GPIO_NR(1, 10)
50 #define GPIO_BUTTON7 IMX_GPIO_NR(1, 11)
51 #define GPIO_BUTTON8 IMX_GPIO_NR(1, 12)
52
53 static const struct fb_videomode fb_modedb[] = {
54 {
55 /* 800x480 @ 60 Hz */
56 .name = "PT0708048",
57 .refresh = 60,
58 .xres = 800,
59 .yres = 480,
60 .pixclock = KHZ2PICOS(33260),
61 .left_margin = 50,
62 .right_margin = 156,
63 .upper_margin = 10,
64 .lower_margin = 10,
65 .hsync_len = 1, /* note: DE only display */
66 .vsync_len = 1, /* note: DE only display */
67 .sync = FB_SYNC_CLK_IDLE_EN | FB_SYNC_OE_ACT_HIGH,
68 .vmode = FB_VMODE_NONINTERLACED,
69 .flag = 0,
70 }, {
71 /* 800x480 @ 60 Hz */
72 .name = "CTP-CLAA070LC0ACW",
73 .refresh = 60,
74 .xres = 800,
75 .yres = 480,
76 .pixclock = KHZ2PICOS(27000),
77 .left_margin = 50,
78 .right_margin = 50, /* whole line should have 900 clocks */
79 .upper_margin = 10,
80 .lower_margin = 10, /* whole frame should have 500 lines */
81 .hsync_len = 1, /* note: DE only display */
82 .vsync_len = 1, /* note: DE only display */
83 .sync = FB_SYNC_CLK_IDLE_EN | FB_SYNC_OE_ACT_HIGH,
84 .vmode = FB_VMODE_NONINTERLACED,
85 .flag = 0,
86 }
87 };
88
89 static struct mx3fb_platform_data mx3fb_pdata __initdata = {
90 .name = "PT0708048",
91 .mode = fb_modedb,
92 .num_modes = ARRAY_SIZE(fb_modedb),
93 };
94
95 static struct physmap_flash_data vpr200_flash_data = {
96 .width = 2,
97 };
98
99 static struct resource vpr200_flash_resource = {
100 .start = MX35_CS0_BASE_ADDR,
101 .end = MX35_CS0_BASE_ADDR + SZ_64M - 1,
102 .flags = IORESOURCE_MEM,
103 };
104
105 static struct platform_device vpr200_flash = {
106 .name = "physmap-flash",
107 .id = 0,
108 .dev = {
109 .platform_data = &vpr200_flash_data,
110 },
111 .resource = &vpr200_flash_resource,
112 .num_resources = 1,
113 };
114
115 static const struct mxc_nand_platform_data
116 vpr200_nand_board_info __initconst = {
117 .width = 1,
118 .hw_ecc = 1,
119 .flash_bbt = 1,
120 };
121
122 #define VPR_KEY_DEBOUNCE 500
123 static struct gpio_keys_button vpr200_gpio_keys_table[] = {
124 {KEY_F2, GPIO_BUTTON1, 1, "vpr-keys: F2", 0, VPR_KEY_DEBOUNCE},
125 {KEY_F3, GPIO_BUTTON2, 1, "vpr-keys: F3", 0, VPR_KEY_DEBOUNCE},
126 {KEY_F4, GPIO_BUTTON3, 1, "vpr-keys: F4", 0, VPR_KEY_DEBOUNCE},
127 {KEY_F5, GPIO_BUTTON4, 1, "vpr-keys: F5", 0, VPR_KEY_DEBOUNCE},
128 {KEY_F6, GPIO_BUTTON5, 1, "vpr-keys: F6", 0, VPR_KEY_DEBOUNCE},
129 {KEY_F7, GPIO_BUTTON6, 1, "vpr-keys: F7", 0, VPR_KEY_DEBOUNCE},
130 {KEY_F8, GPIO_BUTTON7, 1, "vpr-keys: F8", 1, VPR_KEY_DEBOUNCE},
131 {KEY_F9, GPIO_BUTTON8, 1, "vpr-keys: F9", 1, VPR_KEY_DEBOUNCE},
132 };
133
134 static const struct gpio_keys_platform_data
135 vpr200_gpio_keys_data __initconst = {
136 .buttons = vpr200_gpio_keys_table,
137 .nbuttons = ARRAY_SIZE(vpr200_gpio_keys_table),
138 };
139
140 static struct mc13xxx_platform_data vpr200_pmic = {
141 .flags = MC13XXX_USE_ADC | MC13XXX_USE_TOUCHSCREEN,
142 };
143
144 static const struct imxi2c_platform_data vpr200_i2c0_data __initconst = {
145 .bitrate = 50000,
146 };
147
148 static struct at24_platform_data vpr200_eeprom = {
149 .byte_len = 2048 / 8,
150 .page_size = 1,
151 };
152
153 static struct i2c_board_info vpr200_i2c_devices[] = {
154 {
155 I2C_BOARD_INFO("at24", 0x50), /* E0=0, E1=0, E2=0 */
156 .platform_data = &vpr200_eeprom,
157 }, {
158 I2C_BOARD_INFO("mc13892", 0x08),
159 .platform_data = &vpr200_pmic,
160 /* irq number is run-time assigned */
161 }
162 };
163
164 static const iomux_v3_cfg_t vpr200_pads[] __initconst = {
165 /* UART1 */
166 MX35_PAD_TXD1__UART1_TXD_MUX,
167 MX35_PAD_RXD1__UART1_RXD_MUX,
168 /* UART3 */
169 MX35_PAD_ATA_DATA10__UART3_RXD_MUX,
170 MX35_PAD_ATA_DATA11__UART3_TXD_MUX,
171 /* FEC */
172 MX35_PAD_FEC_TX_CLK__FEC_TX_CLK,
173 MX35_PAD_FEC_RX_CLK__FEC_RX_CLK,
174 MX35_PAD_FEC_RX_DV__FEC_RX_DV,
175 MX35_PAD_FEC_COL__FEC_COL,
176 MX35_PAD_FEC_RDATA0__FEC_RDATA_0,
177 MX35_PAD_FEC_TDATA0__FEC_TDATA_0,
178 MX35_PAD_FEC_TX_EN__FEC_TX_EN,
179 MX35_PAD_FEC_MDC__FEC_MDC,
180 MX35_PAD_FEC_MDIO__FEC_MDIO,
181 MX35_PAD_FEC_TX_ERR__FEC_TX_ERR,
182 MX35_PAD_FEC_RX_ERR__FEC_RX_ERR,
183 MX35_PAD_FEC_CRS__FEC_CRS,
184 MX35_PAD_FEC_RDATA1__FEC_RDATA_1,
185 MX35_PAD_FEC_TDATA1__FEC_TDATA_1,
186 MX35_PAD_FEC_RDATA2__FEC_RDATA_2,
187 MX35_PAD_FEC_TDATA2__FEC_TDATA_2,
188 MX35_PAD_FEC_RDATA3__FEC_RDATA_3,
189 MX35_PAD_FEC_TDATA3__FEC_TDATA_3,
190 /* Display */
191 MX35_PAD_LD0__IPU_DISPB_DAT_0,
192 MX35_PAD_LD1__IPU_DISPB_DAT_1,
193 MX35_PAD_LD2__IPU_DISPB_DAT_2,
194 MX35_PAD_LD3__IPU_DISPB_DAT_3,
195 MX35_PAD_LD4__IPU_DISPB_DAT_4,
196 MX35_PAD_LD5__IPU_DISPB_DAT_5,
197 MX35_PAD_LD6__IPU_DISPB_DAT_6,
198 MX35_PAD_LD7__IPU_DISPB_DAT_7,
199 MX35_PAD_LD8__IPU_DISPB_DAT_8,
200 MX35_PAD_LD9__IPU_DISPB_DAT_9,
201 MX35_PAD_LD10__IPU_DISPB_DAT_10,
202 MX35_PAD_LD11__IPU_DISPB_DAT_11,
203 MX35_PAD_LD12__IPU_DISPB_DAT_12,
204 MX35_PAD_LD13__IPU_DISPB_DAT_13,
205 MX35_PAD_LD14__IPU_DISPB_DAT_14,
206 MX35_PAD_LD15__IPU_DISPB_DAT_15,
207 MX35_PAD_LD16__IPU_DISPB_DAT_16,
208 MX35_PAD_LD17__IPU_DISPB_DAT_17,
209 MX35_PAD_D3_FPSHIFT__IPU_DISPB_D3_CLK,
210 MX35_PAD_D3_DRDY__IPU_DISPB_D3_DRDY,
211 MX35_PAD_CONTRAST__IPU_DISPB_CONTR,
212 /* LCD Enable */
213 MX35_PAD_D3_VSYNC__GPIO1_2,
214 /* USBOTG */
215 MX35_PAD_USBOTG_PWR__USB_TOP_USBOTG_PWR,
216 MX35_PAD_USBOTG_OC__USB_TOP_USBOTG_OC,
217 /* SDCARD */
218 MX35_PAD_SD1_CMD__ESDHC1_CMD,
219 MX35_PAD_SD1_CLK__ESDHC1_CLK,
220 MX35_PAD_SD1_DATA0__ESDHC1_DAT0,
221 MX35_PAD_SD1_DATA1__ESDHC1_DAT1,
222 MX35_PAD_SD1_DATA2__ESDHC1_DAT2,
223 MX35_PAD_SD1_DATA3__ESDHC1_DAT3,
224 /* PMIC */
225 MX35_PAD_GPIO2_0__GPIO2_0,
226 /* GPIO keys */
227 MX35_PAD_SCKR__GPIO1_4,
228 MX35_PAD_COMPARE__GPIO1_5,
229 MX35_PAD_SCKT__GPIO1_7,
230 MX35_PAD_FST__GPIO1_8,
231 MX35_PAD_HCKT__GPIO1_9,
232 MX35_PAD_TX5_RX0__GPIO1_10,
233 MX35_PAD_TX4_RX1__GPIO1_11,
234 MX35_PAD_TX3_RX2__GPIO1_12,
235 };
236
237 /* USB Device config */
238 static const struct fsl_usb2_platform_data otg_device_pdata __initconst = {
239 .operating_mode = FSL_USB2_DR_DEVICE,
240 .phy_mode = FSL_USB2_PHY_UTMI,
241 .workaround = FLS_USB2_WORKAROUND_ENGCM09152,
242 };
243
vpr200_usbh_init(struct platform_device * pdev)244 static int vpr200_usbh_init(struct platform_device *pdev)
245 {
246 return mx35_initialize_usb_hw(pdev->id,
247 MXC_EHCI_INTERFACE_SINGLE_UNI | MXC_EHCI_INTERNAL_PHY);
248 }
249
250 /* USB HOST config */
251 static const struct mxc_usbh_platform_data usb_host_pdata __initconst = {
252 .init = vpr200_usbh_init,
253 .portsc = MXC_EHCI_MODE_SERIAL,
254 };
255
256 static struct platform_device *devices[] __initdata = {
257 &vpr200_flash,
258 };
259
260 /*
261 * Board specific initialization.
262 */
vpr200_board_init(void)263 static void __init vpr200_board_init(void)
264 {
265 imx35_soc_init();
266
267 mxc_iomux_v3_setup_multiple_pads(vpr200_pads, ARRAY_SIZE(vpr200_pads));
268
269 imx35_add_fec(NULL);
270 imx35_add_imx2_wdt();
271
272 imx35_add_imx_uart0(NULL);
273 imx35_add_imx_uart2(NULL);
274
275 imx35_add_ipu_core();
276 imx35_add_mx3_sdc_fb(&mx3fb_pdata);
277
278 imx35_add_fsl_usb2_udc(&otg_device_pdata);
279 imx35_add_mxc_ehci_hs(&usb_host_pdata);
280
281 imx35_add_mxc_nand(&vpr200_nand_board_info);
282 imx35_add_sdhci_esdhc_imx(0, NULL);
283 }
284
vpr200_late_init(void)285 static void __init vpr200_late_init(void)
286 {
287 imx_add_gpio_keys(&vpr200_gpio_keys_data);
288
289 platform_add_devices(devices, ARRAY_SIZE(devices));
290
291 if (0 != gpio_request(GPIO_LCDPWR, "LCDPWR"))
292 printk(KERN_WARNING "vpr200: Couldn't get LCDPWR gpio\n");
293 else
294 gpio_direction_output(GPIO_LCDPWR, 0);
295
296 if (0 != gpio_request(GPIO_PMIC_INT, "PMIC_INT"))
297 printk(KERN_WARNING "vpr200: Couldn't get PMIC_INT gpio\n");
298 else
299 gpio_direction_input(GPIO_PMIC_INT);
300
301 vpr200_i2c_devices[1].irq = gpio_to_irq(GPIO_PMIC_INT);
302 i2c_register_board_info(0, vpr200_i2c_devices,
303 ARRAY_SIZE(vpr200_i2c_devices));
304
305 imx35_add_imx_i2c0(&vpr200_i2c0_data);
306 }
307
vpr200_timer_init(void)308 static void __init vpr200_timer_init(void)
309 {
310 mx35_clocks_init();
311 }
312
313 MACHINE_START(VPR200, "VPR200")
314 /* Maintainer: Creative Product Design */
315 .map_io = mx35_map_io,
316 .init_early = imx35_init_early,
317 .init_irq = mx35_init_irq,
318 .init_time = vpr200_timer_init,
319 .init_machine = vpr200_board_init,
320 .init_late = vpr200_late_init,
321 .restart = mxc_restart,
322 MACHINE_END
323