watchdog: Fix rounding bug in get_sample_period()
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / arch / arm / mach-mx3 / mach-vpr200.c
blob47a69cbc31a873dbc19fc9f69d4b231095f3d356
1 /*
2 * Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
3 * Copyright (C) 2009 Marc Kleine-Budde, Pengutronix
4 * Copyright 2010 Creative Product Design
6 * Derived from mx35 3stack.
7 * Original author: Fabio Estevam <fabio.estevam@freescale.com>
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.
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.
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>
27 #include <asm/mach-types.h>
28 #include <asm/mach/arch.h>
29 #include <asm/mach/time.h>
31 #include <mach/hardware.h>
32 #include <mach/common.h>
33 #include <mach/iomux-mx35.h>
34 #include <mach/irqs.h>
35 #include <mach/ipu.h>
36 #include <mach/mx3fb.h>
38 #include <linux/i2c.h>
39 #include <linux/i2c/at24.h>
40 #include <linux/mfd/mc13xxx.h>
41 #include <linux/gpio_keys.h>
43 #include "devices-imx35.h"
44 #include "devices.h"
46 #define GPIO_LCDPWR IMX_GPIO_NR(1, 2)
47 #define GPIO_PMIC_INT IMX_GPIO_NR(2, 0)
49 #define GPIO_BUTTON1 IMX_GPIO_NR(1, 4)
50 #define GPIO_BUTTON2 IMX_GPIO_NR(1, 5)
51 #define GPIO_BUTTON3 IMX_GPIO_NR(1, 7)
52 #define GPIO_BUTTON4 IMX_GPIO_NR(1, 8)
53 #define GPIO_BUTTON5 IMX_GPIO_NR(1, 9)
54 #define GPIO_BUTTON6 IMX_GPIO_NR(1, 10)
55 #define GPIO_BUTTON7 IMX_GPIO_NR(1, 11)
56 #define GPIO_BUTTON8 IMX_GPIO_NR(1, 12)
58 static const struct fb_videomode fb_modedb[] = {
60 /* 800x480 @ 60 Hz */
61 .name = "PT0708048",
62 .refresh = 60,
63 .xres = 800,
64 .yres = 480,
65 .pixclock = KHZ2PICOS(33260),
66 .left_margin = 50,
67 .right_margin = 156,
68 .upper_margin = 10,
69 .lower_margin = 10,
70 .hsync_len = 1, /* note: DE only display */
71 .vsync_len = 1, /* note: DE only display */
72 .sync = FB_SYNC_CLK_IDLE_EN | FB_SYNC_OE_ACT_HIGH,
73 .vmode = FB_VMODE_NONINTERLACED,
74 .flag = 0,
75 }, {
76 /* 800x480 @ 60 Hz */
77 .name = "CTP-CLAA070LC0ACW",
78 .refresh = 60,
79 .xres = 800,
80 .yres = 480,
81 .pixclock = KHZ2PICOS(27000),
82 .left_margin = 50,
83 .right_margin = 50, /* whole line should have 900 clocks */
84 .upper_margin = 10,
85 .lower_margin = 10, /* whole frame should have 500 lines */
86 .hsync_len = 1, /* note: DE only display */
87 .vsync_len = 1, /* note: DE only display */
88 .sync = FB_SYNC_CLK_IDLE_EN | FB_SYNC_OE_ACT_HIGH,
89 .vmode = FB_VMODE_NONINTERLACED,
90 .flag = 0,
94 static struct ipu_platform_data mx3_ipu_data = {
95 .irq_base = MXC_IPU_IRQ_START,
98 static struct mx3fb_platform_data mx3fb_pdata = {
99 .dma_dev = &mx3_ipu.dev,
100 .name = "PT0708048",
101 .mode = fb_modedb,
102 .num_modes = ARRAY_SIZE(fb_modedb),
105 static struct physmap_flash_data vpr200_flash_data = {
106 .width = 2,
109 static struct resource vpr200_flash_resource = {
110 .start = MX35_CS0_BASE_ADDR,
111 .end = MX35_CS0_BASE_ADDR + SZ_64M - 1,
112 .flags = IORESOURCE_MEM,
115 static struct platform_device vpr200_flash = {
116 .name = "physmap-flash",
117 .id = 0,
118 .dev = {
119 .platform_data = &vpr200_flash_data,
121 .resource = &vpr200_flash_resource,
122 .num_resources = 1,
125 static const struct mxc_nand_platform_data
126 vpr200_nand_board_info __initconst = {
127 .width = 1,
128 .hw_ecc = 1,
129 .flash_bbt = 1,
132 #define VPR_KEY_DEBOUNCE 500
133 static struct gpio_keys_button vpr200_gpio_keys_table[] = {
134 {KEY_F2, GPIO_BUTTON1, 1, "vpr-keys: F2", 0, VPR_KEY_DEBOUNCE},
135 {KEY_F3, GPIO_BUTTON2, 1, "vpr-keys: F3", 0, VPR_KEY_DEBOUNCE},
136 {KEY_F4, GPIO_BUTTON3, 1, "vpr-keys: F4", 0, VPR_KEY_DEBOUNCE},
137 {KEY_F5, GPIO_BUTTON4, 1, "vpr-keys: F5", 0, VPR_KEY_DEBOUNCE},
138 {KEY_F6, GPIO_BUTTON5, 1, "vpr-keys: F6", 0, VPR_KEY_DEBOUNCE},
139 {KEY_F7, GPIO_BUTTON6, 1, "vpr-keys: F7", 0, VPR_KEY_DEBOUNCE},
140 {KEY_F8, GPIO_BUTTON7, 1, "vpr-keys: F8", 1, VPR_KEY_DEBOUNCE},
141 {KEY_F9, GPIO_BUTTON8, 1, "vpr-keys: F9", 1, VPR_KEY_DEBOUNCE},
144 static struct gpio_keys_platform_data vpr200_gpio_keys_data = {
145 .buttons = vpr200_gpio_keys_table,
146 .nbuttons = ARRAY_SIZE(vpr200_gpio_keys_table),
149 static struct platform_device vpr200_device_gpiokeys = {
150 .name = "gpio-keys",
151 .dev = {
152 .platform_data = &vpr200_gpio_keys_data,
156 static struct mc13xxx_platform_data vpr200_pmic = {
157 .flags = MC13XXX_USE_ADC | MC13XXX_USE_TOUCHSCREEN,
160 static const struct imxi2c_platform_data vpr200_i2c0_data __initconst = {
161 .bitrate = 50000,
164 static struct at24_platform_data vpr200_eeprom = {
165 .byte_len = 2048 / 8,
166 .page_size = 1,
169 static struct i2c_board_info vpr200_i2c_devices[] = {
171 I2C_BOARD_INFO("at24", 0x50), /* E0=0, E1=0, E2=0 */
172 .platform_data = &vpr200_eeprom,
173 }, {
174 I2C_BOARD_INFO("mc13892", 0x08),
175 .platform_data = &vpr200_pmic,
176 .irq = gpio_to_irq(GPIO_PMIC_INT),
180 static iomux_v3_cfg_t vpr200_pads[] = {
181 /* UART1 */
182 MX35_PAD_TXD1__UART1_TXD_MUX,
183 MX35_PAD_RXD1__UART1_RXD_MUX,
184 /* UART3 */
185 MX35_PAD_ATA_DATA10__UART3_RXD_MUX,
186 MX35_PAD_ATA_DATA11__UART3_TXD_MUX,
187 /* FEC */
188 MX35_PAD_FEC_TX_CLK__FEC_TX_CLK,
189 MX35_PAD_FEC_RX_CLK__FEC_RX_CLK,
190 MX35_PAD_FEC_RX_DV__FEC_RX_DV,
191 MX35_PAD_FEC_COL__FEC_COL,
192 MX35_PAD_FEC_RDATA0__FEC_RDATA_0,
193 MX35_PAD_FEC_TDATA0__FEC_TDATA_0,
194 MX35_PAD_FEC_TX_EN__FEC_TX_EN,
195 MX35_PAD_FEC_MDC__FEC_MDC,
196 MX35_PAD_FEC_MDIO__FEC_MDIO,
197 MX35_PAD_FEC_TX_ERR__FEC_TX_ERR,
198 MX35_PAD_FEC_RX_ERR__FEC_RX_ERR,
199 MX35_PAD_FEC_CRS__FEC_CRS,
200 MX35_PAD_FEC_RDATA1__FEC_RDATA_1,
201 MX35_PAD_FEC_TDATA1__FEC_TDATA_1,
202 MX35_PAD_FEC_RDATA2__FEC_RDATA_2,
203 MX35_PAD_FEC_TDATA2__FEC_TDATA_2,
204 MX35_PAD_FEC_RDATA3__FEC_RDATA_3,
205 MX35_PAD_FEC_TDATA3__FEC_TDATA_3,
206 /* Display */
207 MX35_PAD_LD0__IPU_DISPB_DAT_0,
208 MX35_PAD_LD1__IPU_DISPB_DAT_1,
209 MX35_PAD_LD2__IPU_DISPB_DAT_2,
210 MX35_PAD_LD3__IPU_DISPB_DAT_3,
211 MX35_PAD_LD4__IPU_DISPB_DAT_4,
212 MX35_PAD_LD5__IPU_DISPB_DAT_5,
213 MX35_PAD_LD6__IPU_DISPB_DAT_6,
214 MX35_PAD_LD7__IPU_DISPB_DAT_7,
215 MX35_PAD_LD8__IPU_DISPB_DAT_8,
216 MX35_PAD_LD9__IPU_DISPB_DAT_9,
217 MX35_PAD_LD10__IPU_DISPB_DAT_10,
218 MX35_PAD_LD11__IPU_DISPB_DAT_11,
219 MX35_PAD_LD12__IPU_DISPB_DAT_12,
220 MX35_PAD_LD13__IPU_DISPB_DAT_13,
221 MX35_PAD_LD14__IPU_DISPB_DAT_14,
222 MX35_PAD_LD15__IPU_DISPB_DAT_15,
223 MX35_PAD_LD16__IPU_DISPB_DAT_16,
224 MX35_PAD_LD17__IPU_DISPB_DAT_17,
225 MX35_PAD_D3_FPSHIFT__IPU_DISPB_D3_CLK,
226 MX35_PAD_D3_DRDY__IPU_DISPB_D3_DRDY,
227 MX35_PAD_CONTRAST__IPU_DISPB_CONTR,
228 /* LCD Enable */
229 MX35_PAD_D3_VSYNC__GPIO1_2,
230 /* USBOTG */
231 MX35_PAD_USBOTG_PWR__USB_TOP_USBOTG_PWR,
232 MX35_PAD_USBOTG_OC__USB_TOP_USBOTG_OC,
233 /* SDCARD */
234 MX35_PAD_SD1_CMD__ESDHC1_CMD,
235 MX35_PAD_SD1_CLK__ESDHC1_CLK,
236 MX35_PAD_SD1_DATA0__ESDHC1_DAT0,
237 MX35_PAD_SD1_DATA1__ESDHC1_DAT1,
238 MX35_PAD_SD1_DATA2__ESDHC1_DAT2,
239 MX35_PAD_SD1_DATA3__ESDHC1_DAT3,
240 /* PMIC */
241 MX35_PAD_GPIO2_0__GPIO2_0,
242 /* GPIO keys */
243 MX35_PAD_SCKR__GPIO1_4,
244 MX35_PAD_COMPARE__GPIO1_5,
245 MX35_PAD_SCKT__GPIO1_7,
246 MX35_PAD_FST__GPIO1_8,
247 MX35_PAD_HCKT__GPIO1_9,
248 MX35_PAD_TX5_RX0__GPIO1_10,
249 MX35_PAD_TX4_RX1__GPIO1_11,
250 MX35_PAD_TX3_RX2__GPIO1_12,
253 /* USB Device config */
254 static const struct fsl_usb2_platform_data otg_device_pdata __initconst = {
255 .operating_mode = FSL_USB2_DR_DEVICE,
256 .phy_mode = FSL_USB2_PHY_UTMI,
257 .workaround = FLS_USB2_WORKAROUND_ENGCM09152,
260 static int vpr200_usbh_init(struct platform_device *pdev)
262 return mx35_initialize_usb_hw(pdev->id,
263 MXC_EHCI_INTERFACE_SINGLE_UNI | MXC_EHCI_INTERNAL_PHY);
266 /* USB HOST config */
267 static const struct mxc_usbh_platform_data usb_host_pdata __initconst = {
268 .init = vpr200_usbh_init,
269 .portsc = MXC_EHCI_MODE_SERIAL,
272 static struct platform_device *devices[] __initdata = {
273 &vpr200_flash,
274 &vpr200_device_gpiokeys,
278 * Board specific initialization.
280 static void __init vpr200_board_init(void)
282 mxc_iomux_v3_setup_multiple_pads(vpr200_pads, ARRAY_SIZE(vpr200_pads));
284 imx35_add_fec(NULL);
285 imx35_add_imx2_wdt(NULL);
287 platform_add_devices(devices, ARRAY_SIZE(devices));
289 if (0 != gpio_request(GPIO_LCDPWR, "LCDPWR"))
290 printk(KERN_WARNING "vpr200: Couldn't get LCDPWR gpio\n");
291 else
292 gpio_direction_output(GPIO_LCDPWR, 0);
294 if (0 != gpio_request(GPIO_PMIC_INT, "PMIC_INT"))
295 printk(KERN_WARNING "vpr200: Couldn't get PMIC_INT gpio\n");
296 else
297 gpio_direction_input(GPIO_PMIC_INT);
299 imx35_add_imx_uart0(NULL);
300 imx35_add_imx_uart2(NULL);
302 mxc_register_device(&mx3_ipu, &mx3_ipu_data);
303 mxc_register_device(&mx3_fb, &mx3fb_pdata);
305 imx35_add_fsl_usb2_udc(&otg_device_pdata);
306 imx35_add_mxc_ehci_hs(&usb_host_pdata);
308 imx35_add_mxc_nand(&vpr200_nand_board_info);
309 imx35_add_sdhci_esdhc_imx(0, NULL);
311 i2c_register_board_info(0, vpr200_i2c_devices,
312 ARRAY_SIZE(vpr200_i2c_devices));
314 imx35_add_imx_i2c0(&vpr200_i2c0_data);
317 static void __init vpr200_timer_init(void)
319 mx35_clocks_init();
322 struct sys_timer vpr200_timer = {
323 .init = vpr200_timer_init,
326 MACHINE_START(VPR200, "VPR200")
327 /* Maintainer: Creative Product Design */
328 .map_io = mx35_map_io,
329 .init_early = imx35_init_early,
330 .init_irq = mx35_init_irq,
331 .timer = &vpr200_timer,
332 .init_machine = vpr200_board_init,
333 MACHINE_END