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 <mach/hardware.h>
32 #include <mach/common.h>
33 #include <mach/iomux-mx35.h>
34 #include <mach/irqs.h>
35
36 #include <linux/i2c.h>
37 #include <linux/i2c/at24.h>
38 #include <linux/mfd/mc13xxx.h>
39
40 #include "devices-imx35.h"
41
42 #define GPIO_LCDPWR IMX_GPIO_NR(1, 2)
43 #define GPIO_PMIC_INT IMX_GPIO_NR(2, 0)
44
45 #define GPIO_BUTTON1 IMX_GPIO_NR(1, 4)
46 #define GPIO_BUTTON2 IMX_GPIO_NR(1, 5)
47 #define GPIO_BUTTON3 IMX_GPIO_NR(1, 7)
48 #define GPIO_BUTTON4 IMX_GPIO_NR(1, 8)
49 #define GPIO_BUTTON5 IMX_GPIO_NR(1, 9)
50 #define GPIO_BUTTON6 IMX_GPIO_NR(1, 10)
51 #define GPIO_BUTTON7 IMX_GPIO_NR(1, 11)
52 #define GPIO_BUTTON8 IMX_GPIO_NR(1, 12)
53
54 static const struct fb_videomode fb_modedb[] = {
55 {
56 /* 800x480 @ 60 Hz */
57 .name = "PT0708048",
58 .refresh = 60,
59 .xres = 800,
60 .yres = 480,
61 .pixclock = KHZ2PICOS(33260),
62 .left_margin = 50,
63 .right_margin = 156,
64 .upper_margin = 10,
65 .lower_margin = 10,
66 .hsync_len = 1, /* note: DE only display */
67 .vsync_len = 1, /* note: DE only display */
68 .sync = FB_SYNC_CLK_IDLE_EN | FB_SYNC_OE_ACT_HIGH,
69 .vmode = FB_VMODE_NONINTERLACED,
70 .flag = 0,
71 }, {
72 /* 800x480 @ 60 Hz */
73 .name = "CTP-CLAA070LC0ACW",
74 .refresh = 60,
75 .xres = 800,
76 .yres = 480,
77 .pixclock = KHZ2PICOS(27000),
78 .left_margin = 50,
79 .right_margin = 50, /* whole line should have 900 clocks */
80 .upper_margin = 10,
81 .lower_margin = 10, /* whole frame should have 500 lines */
82 .hsync_len = 1, /* note: DE only display */
83 .vsync_len = 1, /* note: DE only display */
84 .sync = FB_SYNC_CLK_IDLE_EN | FB_SYNC_OE_ACT_HIGH,
85 .vmode = FB_VMODE_NONINTERLACED,
86 .flag = 0,
87 }
88 };
89
90 static const struct ipu_platform_data mx3_ipu_data __initconst = {
91 .irq_base = MXC_IPU_IRQ_START,
92 };
93
94 static struct mx3fb_platform_data mx3fb_pdata __initdata = {
95 .name = "PT0708048",
96 .mode = fb_modedb,
97 .num_modes = ARRAY_SIZE(fb_modedb),
98 };
99
100 static struct physmap_flash_data vpr200_flash_data = {
101 .width = 2,
102 };
103
104 static struct resource vpr200_flash_resource = {
105 .start = MX35_CS0_BASE_ADDR,
106 .end = MX35_CS0_BASE_ADDR + SZ_64M - 1,
107 .flags = IORESOURCE_MEM,
108 };
109
110 static struct platform_device vpr200_flash = {
111 .name = "physmap-flash",
112 .id = 0,
113 .dev = {
114 .platform_data = &vpr200_flash_data,
115 },
116 .resource = &vpr200_flash_resource,
117 .num_resources = 1,
118 };
119
120 static const struct mxc_nand_platform_data
121 vpr200_nand_board_info __initconst = {
122 .width = 1,
123 .hw_ecc = 1,
124 .flash_bbt = 1,
125 };
126
127 #define VPR_KEY_DEBOUNCE 500
128 static struct gpio_keys_button vpr200_gpio_keys_table[] = {
129 {KEY_F2, GPIO_BUTTON1, 1, "vpr-keys: F2", 0, VPR_KEY_DEBOUNCE},
130 {KEY_F3, GPIO_BUTTON2, 1, "vpr-keys: F3", 0, VPR_KEY_DEBOUNCE},
131 {KEY_F4, GPIO_BUTTON3, 1, "vpr-keys: F4", 0, VPR_KEY_DEBOUNCE},
132 {KEY_F5, GPIO_BUTTON4, 1, "vpr-keys: F5", 0, VPR_KEY_DEBOUNCE},
133 {KEY_F6, GPIO_BUTTON5, 1, "vpr-keys: F6", 0, VPR_KEY_DEBOUNCE},
134 {KEY_F7, GPIO_BUTTON6, 1, "vpr-keys: F7", 0, VPR_KEY_DEBOUNCE},
135 {KEY_F8, GPIO_BUTTON7, 1, "vpr-keys: F8", 1, VPR_KEY_DEBOUNCE},
136 {KEY_F9, GPIO_BUTTON8, 1, "vpr-keys: F9", 1, VPR_KEY_DEBOUNCE},
137 };
138
139 static const struct gpio_keys_platform_data
140 vpr200_gpio_keys_data __initconst = {
141 .buttons = vpr200_gpio_keys_table,
142 .nbuttons = ARRAY_SIZE(vpr200_gpio_keys_table),
143 };
144
145 static struct mc13xxx_platform_data vpr200_pmic = {
146 .flags = MC13XXX_USE_ADC | MC13XXX_USE_TOUCHSCREEN,
147 };
148
149 static const struct imxi2c_platform_data vpr200_i2c0_data __initconst = {
150 .bitrate = 50000,
151 };
152
153 static struct at24_platform_data vpr200_eeprom = {
154 .byte_len = 2048 / 8,
155 .page_size = 1,
156 };
157
158 static struct i2c_board_info vpr200_i2c_devices[] = {
159 {
160 I2C_BOARD_INFO("at24", 0x50), /* E0=0, E1=0, E2=0 */
161 .platform_data = &vpr200_eeprom,
162 }, {
163 I2C_BOARD_INFO("mc13892", 0x08),
164 .platform_data = &vpr200_pmic,
165 .irq = IMX_GPIO_TO_IRQ(GPIO_PMIC_INT),
166 }
167 };
168
169 static iomux_v3_cfg_t vpr200_pads[] = {
170 /* UART1 */
171 MX35_PAD_TXD1__UART1_TXD_MUX,
172 MX35_PAD_RXD1__UART1_RXD_MUX,
173 /* UART3 */
174 MX35_PAD_ATA_DATA10__UART3_RXD_MUX,
175 MX35_PAD_ATA_DATA11__UART3_TXD_MUX,
176 /* FEC */
177 MX35_PAD_FEC_TX_CLK__FEC_TX_CLK,
178 MX35_PAD_FEC_RX_CLK__FEC_RX_CLK,
179 MX35_PAD_FEC_RX_DV__FEC_RX_DV,
180 MX35_PAD_FEC_COL__FEC_COL,
181 MX35_PAD_FEC_RDATA0__FEC_RDATA_0,
182 MX35_PAD_FEC_TDATA0__FEC_TDATA_0,
183 MX35_PAD_FEC_TX_EN__FEC_TX_EN,
184 MX35_PAD_FEC_MDC__FEC_MDC,
185 MX35_PAD_FEC_MDIO__FEC_MDIO,
186 MX35_PAD_FEC_TX_ERR__FEC_TX_ERR,
187 MX35_PAD_FEC_RX_ERR__FEC_RX_ERR,
188 MX35_PAD_FEC_CRS__FEC_CRS,
189 MX35_PAD_FEC_RDATA1__FEC_RDATA_1,
190 MX35_PAD_FEC_TDATA1__FEC_TDATA_1,
191 MX35_PAD_FEC_RDATA2__FEC_RDATA_2,
192 MX35_PAD_FEC_TDATA2__FEC_TDATA_2,
193 MX35_PAD_FEC_RDATA3__FEC_RDATA_3,
194 MX35_PAD_FEC_TDATA3__FEC_TDATA_3,
195 /* Display */
196 MX35_PAD_LD0__IPU_DISPB_DAT_0,
197 MX35_PAD_LD1__IPU_DISPB_DAT_1,
198 MX35_PAD_LD2__IPU_DISPB_DAT_2,
199 MX35_PAD_LD3__IPU_DISPB_DAT_3,
200 MX35_PAD_LD4__IPU_DISPB_DAT_4,
201 MX35_PAD_LD5__IPU_DISPB_DAT_5,
202 MX35_PAD_LD6__IPU_DISPB_DAT_6,
203 MX35_PAD_LD7__IPU_DISPB_DAT_7,
204 MX35_PAD_LD8__IPU_DISPB_DAT_8,
205 MX35_PAD_LD9__IPU_DISPB_DAT_9,
206 MX35_PAD_LD10__IPU_DISPB_DAT_10,
207 MX35_PAD_LD11__IPU_DISPB_DAT_11,
208 MX35_PAD_LD12__IPU_DISPB_DAT_12,
209 MX35_PAD_LD13__IPU_DISPB_DAT_13,
210 MX35_PAD_LD14__IPU_DISPB_DAT_14,
211 MX35_PAD_LD15__IPU_DISPB_DAT_15,
212 MX35_PAD_LD16__IPU_DISPB_DAT_16,
213 MX35_PAD_LD17__IPU_DISPB_DAT_17,
214 MX35_PAD_D3_FPSHIFT__IPU_DISPB_D3_CLK,
215 MX35_PAD_D3_DRDY__IPU_DISPB_D3_DRDY,
216 MX35_PAD_CONTRAST__IPU_DISPB_CONTR,
217 /* LCD Enable */
218 MX35_PAD_D3_VSYNC__GPIO1_2,
219 /* USBOTG */
220 MX35_PAD_USBOTG_PWR__USB_TOP_USBOTG_PWR,
221 MX35_PAD_USBOTG_OC__USB_TOP_USBOTG_OC,
222 /* SDCARD */
223 MX35_PAD_SD1_CMD__ESDHC1_CMD,
224 MX35_PAD_SD1_CLK__ESDHC1_CLK,
225 MX35_PAD_SD1_DATA0__ESDHC1_DAT0,
226 MX35_PAD_SD1_DATA1__ESDHC1_DAT1,
227 MX35_PAD_SD1_DATA2__ESDHC1_DAT2,
228 MX35_PAD_SD1_DATA3__ESDHC1_DAT3,
229 /* PMIC */
230 MX35_PAD_GPIO2_0__GPIO2_0,
231 /* GPIO keys */
232 MX35_PAD_SCKR__GPIO1_4,
233 MX35_PAD_COMPARE__GPIO1_5,
234 MX35_PAD_SCKT__GPIO1_7,
235 MX35_PAD_FST__GPIO1_8,
236 MX35_PAD_HCKT__GPIO1_9,
237 MX35_PAD_TX5_RX0__GPIO1_10,
238 MX35_PAD_TX4_RX1__GPIO1_11,
239 MX35_PAD_TX3_RX2__GPIO1_12,
240 };
241
242 /* USB Device config */
243 static const struct fsl_usb2_platform_data otg_device_pdata __initconst = {
244 .operating_mode = FSL_USB2_DR_DEVICE,
245 .phy_mode = FSL_USB2_PHY_UTMI,
246 .workaround = FLS_USB2_WORKAROUND_ENGCM09152,
247 };
248
vpr200_usbh_init(struct platform_device * pdev)249 static int vpr200_usbh_init(struct platform_device *pdev)
250 {
251 return mx35_initialize_usb_hw(pdev->id,
252 MXC_EHCI_INTERFACE_SINGLE_UNI | MXC_EHCI_INTERNAL_PHY);
253 }
254
255 /* USB HOST config */
256 static const struct mxc_usbh_platform_data usb_host_pdata __initconst = {
257 .init = vpr200_usbh_init,
258 .portsc = MXC_EHCI_MODE_SERIAL,
259 };
260
261 static struct platform_device *devices[] __initdata = {
262 &vpr200_flash,
263 };
264
265 /*
266 * Board specific initialization.
267 */
vpr200_board_init(void)268 static void __init vpr200_board_init(void)
269 {
270 imx35_soc_init();
271
272 mxc_iomux_v3_setup_multiple_pads(vpr200_pads, ARRAY_SIZE(vpr200_pads));
273
274 imx35_add_fec(NULL);
275 imx35_add_imx2_wdt(NULL);
276 imx_add_gpio_keys(&vpr200_gpio_keys_data);
277
278 platform_add_devices(devices, ARRAY_SIZE(devices));
279
280 if (0 != gpio_request(GPIO_LCDPWR, "LCDPWR"))
281 printk(KERN_WARNING "vpr200: Couldn't get LCDPWR gpio\n");
282 else
283 gpio_direction_output(GPIO_LCDPWR, 0);
284
285 if (0 != gpio_request(GPIO_PMIC_INT, "PMIC_INT"))
286 printk(KERN_WARNING "vpr200: Couldn't get PMIC_INT gpio\n");
287 else
288 gpio_direction_input(GPIO_PMIC_INT);
289
290 imx35_add_imx_uart0(NULL);
291 imx35_add_imx_uart2(NULL);
292
293 imx35_add_ipu_core(&mx3_ipu_data);
294 imx35_add_mx3_sdc_fb(&mx3fb_pdata);
295
296 imx35_add_fsl_usb2_udc(&otg_device_pdata);
297 imx35_add_mxc_ehci_hs(&usb_host_pdata);
298
299 imx35_add_mxc_nand(&vpr200_nand_board_info);
300 imx35_add_sdhci_esdhc_imx(0, NULL);
301
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 struct sys_timer vpr200_timer = {
314 .init = vpr200_timer_init,
315 };
316
317 MACHINE_START(VPR200, "VPR200")
318 /* Maintainer: Creative Product Design */
319 .map_io = mx35_map_io,
320 .init_early = imx35_init_early,
321 .init_irq = mx35_init_irq,
322 .handle_irq = imx35_handle_irq,
323 .timer = &vpr200_timer,
324 .init_machine = vpr200_board_init,
325 .restart = mxc_restart,
326 MACHINE_END
327