2 * linux/arch/arm/mach-omap2/board-cm-t3517.c
4 * Support for the CompuLab CM-T3517 modules
6 * Copyright (C) 2010 CompuLab, Ltd.
7 * Author: Igor Grinberg <grinberg@compulab.co.il>
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * version 2 as published by the Free Software Foundation.
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
25 #include <linux/kernel.h>
26 #include <linux/init.h>
27 #include <linux/platform_device.h>
28 #include <linux/delay.h>
29 #include <linux/gpio.h>
30 #include <linux/leds.h>
31 #include <linux/rtc-v3020.h>
32 #include <linux/mtd/mtd.h>
33 #include <linux/mtd/nand.h>
34 #include <linux/mtd/partitions.h>
35 #include <linux/mmc/host.h>
36 #include <linux/can/platform/ti_hecc.h>
38 #include <asm/mach-types.h>
39 #include <asm/mach/arch.h>
40 #include <asm/mach/map.h>
43 #include <linux/platform_data/mtd-nand-omap2.h>
51 #include "common-board-devices.h"
52 #include "am35xx-emac.h"
53 #include "gpmc-nand.h"
55 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
56 static struct gpio_led cm_t3517_leds[] = {
59 .name = "cm-t3517:green",
60 .default_trigger = "heartbeat",
65 static struct gpio_led_platform_data cm_t3517_led_pdata = {
66 .num_leds = ARRAY_SIZE(cm_t3517_leds),
67 .leds = cm_t3517_leds,
70 static struct platform_device cm_t3517_led_device = {
74 .platform_data = &cm_t3517_led_pdata,
78 static void __init cm_t3517_init_leds(void)
80 platform_device_register(&cm_t3517_led_device);
83 static inline void cm_t3517_init_leds(void) {}
86 #if defined(CONFIG_CAN_TI_HECC) || defined(CONFIG_CAN_TI_HECC_MODULE)
87 static struct resource cm_t3517_hecc_resources[] = {
89 .start = AM35XX_IPSS_HECC_BASE,
90 .end = AM35XX_IPSS_HECC_BASE + SZ_16K - 1,
91 .flags = IORESOURCE_MEM,
94 .start = 24 + OMAP_INTC_START,
95 .flags = IORESOURCE_IRQ,
99 static struct ti_hecc_platform_data cm_t3517_hecc_pdata = {
100 .scc_hecc_offset = AM35XX_HECC_SCC_HECC_OFFSET,
101 .scc_ram_offset = AM35XX_HECC_SCC_RAM_OFFSET,
102 .hecc_ram_offset = AM35XX_HECC_RAM_OFFSET,
103 .mbx_offset = AM35XX_HECC_MBOX_OFFSET,
104 .int_line = AM35XX_HECC_INT_LINE,
105 .version = AM35XX_HECC_VERSION,
108 static struct platform_device cm_t3517_hecc_device = {
111 .num_resources = ARRAY_SIZE(cm_t3517_hecc_resources),
112 .resource = cm_t3517_hecc_resources,
114 .platform_data = &cm_t3517_hecc_pdata,
118 static void cm_t3517_init_hecc(void)
120 platform_device_register(&cm_t3517_hecc_device);
123 static inline void cm_t3517_init_hecc(void) {}
126 #if defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)
127 static struct omap2_hsmmc_info cm_t3517_mmc[] = {
130 .caps = MMC_CAP_4_BIT_DATA,
136 .caps = MMC_CAP_4_BIT_DATA,
143 #define cm_t3517_mmc NULL
146 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
147 #define RTC_IO_GPIO (153)
148 #define RTC_WR_GPIO (154)
149 #define RTC_RD_GPIO (53)
150 #define RTC_CS_GPIO (163)
151 #define RTC_CS_EN_GPIO (160)
153 struct v3020_platform_data cm_t3517_v3020_pdata = {
155 .gpio_cs = RTC_CS_GPIO,
156 .gpio_wr = RTC_WR_GPIO,
157 .gpio_rd = RTC_RD_GPIO,
158 .gpio_io = RTC_IO_GPIO,
161 static struct platform_device cm_t3517_rtc_device = {
165 .platform_data = &cm_t3517_v3020_pdata,
169 static void __init cm_t3517_init_rtc(void)
173 err = gpio_request_one(RTC_CS_EN_GPIO, GPIOF_OUT_INIT_HIGH,
176 pr_err("CM-T3517: rtc cs en gpio request failed: %d\n", err);
180 platform_device_register(&cm_t3517_rtc_device);
183 static inline void cm_t3517_init_rtc(void) {}
186 #if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_EHCI_HCD_MODULE)
187 #define HSUSB1_RESET_GPIO (146)
188 #define HSUSB2_RESET_GPIO (147)
189 #define USB_HUB_RESET_GPIO (152)
191 static struct usbhs_omap_platform_data cm_t3517_ehci_pdata __initdata = {
192 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
193 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
194 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
197 .reset_gpio_port[0] = HSUSB1_RESET_GPIO,
198 .reset_gpio_port[1] = HSUSB2_RESET_GPIO,
199 .reset_gpio_port[2] = -EINVAL,
202 static int __init cm_t3517_init_usbh(void)
206 err = gpio_request_one(USB_HUB_RESET_GPIO, GPIOF_OUT_INIT_LOW,
209 pr_err("CM-T3517: usb hub rst gpio request failed: %d\n", err);
212 gpio_set_value(USB_HUB_RESET_GPIO, 1);
216 usbhs_init(&cm_t3517_ehci_pdata);
221 static inline int cm_t3517_init_usbh(void)
227 #if defined(CONFIG_MTD_NAND_OMAP2) || defined(CONFIG_MTD_NAND_OMAP2_MODULE)
228 static struct mtd_partition cm_t3517_nand_partitions[] = {
231 .offset = 0, /* Offset = 0x00000 */
232 .size = 4 * NAND_BLOCK_SIZE,
233 .mask_flags = MTD_WRITEABLE
237 .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
238 .size = 15 * NAND_BLOCK_SIZE,
241 .name = "uboot environment",
242 .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */
243 .size = 2 * NAND_BLOCK_SIZE,
247 .offset = MTDPART_OFS_APPEND, /* Offset = 0x2A0000 */
248 .size = 32 * NAND_BLOCK_SIZE,
252 .offset = MTDPART_OFS_APPEND, /* Offset = 0x6A0000 */
253 .size = MTDPART_SIZ_FULL,
257 static struct omap_nand_platform_data cm_t3517_nand_data = {
258 .parts = cm_t3517_nand_partitions,
259 .nr_parts = ARRAY_SIZE(cm_t3517_nand_partitions),
263 static void __init cm_t3517_init_nand(void)
265 if (gpmc_nand_init(&cm_t3517_nand_data, NULL) < 0)
266 pr_err("CM-T3517: NAND initialization failed\n");
269 static inline void cm_t3517_init_nand(void) {}
272 #ifdef CONFIG_OMAP_MUX
273 static struct omap_board_mux board_mux[] __initdata = {
274 /* GPIO186 - Green LED */
275 OMAP3_MUX(SYS_CLKOUT2, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
279 OMAP3_MUX(MCBSP4_DR, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
281 OMAP3_MUX(MCBSP4_DX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
283 OMAP3_MUX(GPMC_NCS2, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
285 OMAP3_MUX(UART3_CTS_RCTX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
286 /* CS EN - GPIO160 */
287 OMAP3_MUX(MCBSP_CLKS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
290 OMAP3_MUX(UART2_TX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
292 OMAP3_MUX(UART2_RX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
293 /* CM-T3517 USB HUB nRESET */
294 OMAP3_MUX(MCBSP4_CLKX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
296 /* CD - GPIO144 and WP - GPIO59 for MMC1 - SB-T35 */
297 OMAP3_MUX(UART2_CTS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP),
298 OMAP3_MUX(GPMC_CLK, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP),
300 { .reg_offset = OMAP_MUX_TERMINATOR },
304 static void __init cm_t3517_init(void)
306 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
308 omap_sdrc_init(NULL, NULL);
309 cm_t3517_init_leds();
310 cm_t3517_init_nand();
312 cm_t3517_init_usbh();
313 cm_t3517_init_hecc();
314 am35xx_emac_init(AM35XX_DEFAULT_MDIO_FREQUENCY, 1);
315 omap_hsmmc_init(cm_t3517_mmc);
318 MACHINE_START(CM_T3517, "Compulab CM-T3517")
319 .atag_offset = 0x100,
320 .reserve = omap_reserve,
321 .map_io = omap3_map_io,
322 .init_early = am35xx_init_early,
323 .init_irq = omap3_init_irq,
324 .handle_irq = omap3_intc_handle_irq,
325 .init_machine = cm_t3517_init,
326 .init_late = am35xx_init_late,
327 .init_time = omap3_gptimer_timer_init,
328 .restart = omap3xxx_restart,