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/omap-gpmc.h>
32 #include <linux/rtc-v3020.h>
33 #include <linux/mtd/mtd.h>
34 #include <linux/mtd/nand.h>
35 #include <linux/mtd/partitions.h>
36 #include <linux/mmc/host.h>
37 #include <linux/can/platform/ti_hecc.h>
39 #include <asm/mach-types.h>
40 #include <asm/mach/arch.h>
41 #include <asm/mach/map.h>
44 #include <linux/platform_data/mtd-nand-omap2.h>
51 #include "common-board-devices.h"
52 #include "am35xx-emac.h"
54 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
55 static struct gpio_led cm_t3517_leds[] = {
58 .name = "cm-t3517:green",
59 .default_trigger = "heartbeat",
64 static struct gpio_led_platform_data cm_t3517_led_pdata = {
65 .num_leds = ARRAY_SIZE(cm_t3517_leds),
66 .leds = cm_t3517_leds,
69 static struct platform_device cm_t3517_led_device = {
73 .platform_data = &cm_t3517_led_pdata,
77 static void __init cm_t3517_init_leds(void)
79 platform_device_register(&cm_t3517_led_device);
82 static inline void cm_t3517_init_leds(void) {}
85 #if defined(CONFIG_CAN_TI_HECC) || defined(CONFIG_CAN_TI_HECC_MODULE)
86 static struct resource cm_t3517_hecc_resources[] = {
88 .start = AM35XX_IPSS_HECC_BASE,
89 .end = AM35XX_IPSS_HECC_BASE + SZ_16K - 1,
90 .flags = IORESOURCE_MEM,
93 .start = 24 + OMAP_INTC_START,
94 .flags = IORESOURCE_IRQ,
98 static struct ti_hecc_platform_data cm_t3517_hecc_pdata = {
99 .scc_hecc_offset = AM35XX_HECC_SCC_HECC_OFFSET,
100 .scc_ram_offset = AM35XX_HECC_SCC_RAM_OFFSET,
101 .hecc_ram_offset = AM35XX_HECC_RAM_OFFSET,
102 .mbx_offset = AM35XX_HECC_MBOX_OFFSET,
103 .int_line = AM35XX_HECC_INT_LINE,
104 .version = AM35XX_HECC_VERSION,
107 static struct platform_device cm_t3517_hecc_device = {
110 .num_resources = ARRAY_SIZE(cm_t3517_hecc_resources),
111 .resource = cm_t3517_hecc_resources,
113 .platform_data = &cm_t3517_hecc_pdata,
117 static void cm_t3517_init_hecc(void)
119 platform_device_register(&cm_t3517_hecc_device);
122 static inline void cm_t3517_init_hecc(void) {}
125 #if defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)
126 static struct omap2_hsmmc_info cm_t3517_mmc[] = {
129 .caps = MMC_CAP_4_BIT_DATA,
135 .caps = MMC_CAP_4_BIT_DATA,
142 #define cm_t3517_mmc NULL
145 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
146 #define RTC_IO_GPIO (153)
147 #define RTC_WR_GPIO (154)
148 #define RTC_RD_GPIO (53)
149 #define RTC_CS_GPIO (163)
150 #define RTC_CS_EN_GPIO (160)
152 struct v3020_platform_data cm_t3517_v3020_pdata = {
154 .gpio_cs = RTC_CS_GPIO,
155 .gpio_wr = RTC_WR_GPIO,
156 .gpio_rd = RTC_RD_GPIO,
157 .gpio_io = RTC_IO_GPIO,
160 static struct platform_device cm_t3517_rtc_device = {
164 .platform_data = &cm_t3517_v3020_pdata,
168 static void __init cm_t3517_init_rtc(void)
172 err = gpio_request_one(RTC_CS_EN_GPIO, GPIOF_OUT_INIT_HIGH,
175 pr_err("CM-T3517: rtc cs en gpio request failed: %d\n", err);
179 platform_device_register(&cm_t3517_rtc_device);
182 static inline void cm_t3517_init_rtc(void) {}
185 #if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_EHCI_HCD_MODULE)
186 #define HSUSB1_RESET_GPIO (146)
187 #define HSUSB2_RESET_GPIO (147)
188 #define USB_HUB_RESET_GPIO (152)
190 static struct usbhs_phy_data phy_data[] __initdata = {
193 .reset_gpio = HSUSB1_RESET_GPIO,
198 .reset_gpio = HSUSB2_RESET_GPIO,
203 static struct usbhs_omap_platform_data cm_t3517_ehci_pdata __initdata = {
204 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
205 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
208 static int __init cm_t3517_init_usbh(void)
212 err = gpio_request_one(USB_HUB_RESET_GPIO, GPIOF_OUT_INIT_LOW,
215 pr_err("CM-T3517: usb hub rst gpio request failed: %d\n", err);
218 gpio_set_value(USB_HUB_RESET_GPIO, 1);
222 usbhs_init_phys(phy_data, ARRAY_SIZE(phy_data));
223 usbhs_init(&cm_t3517_ehci_pdata);
228 static inline int cm_t3517_init_usbh(void)
234 #if defined(CONFIG_MTD_NAND_OMAP2) || defined(CONFIG_MTD_NAND_OMAP2_MODULE)
235 static struct mtd_partition cm_t3517_nand_partitions[] = {
238 .offset = 0, /* Offset = 0x00000 */
239 .size = 4 * NAND_BLOCK_SIZE,
240 .mask_flags = MTD_WRITEABLE
244 .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
245 .size = 15 * NAND_BLOCK_SIZE,
248 .name = "uboot environment",
249 .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */
250 .size = 2 * NAND_BLOCK_SIZE,
254 .offset = MTDPART_OFS_APPEND, /* Offset = 0x2A0000 */
255 .size = 32 * NAND_BLOCK_SIZE,
259 .offset = MTDPART_OFS_APPEND, /* Offset = 0x6A0000 */
260 .size = MTDPART_SIZ_FULL,
264 static struct omap_nand_platform_data cm_t3517_nand_data = {
265 .parts = cm_t3517_nand_partitions,
266 .nr_parts = ARRAY_SIZE(cm_t3517_nand_partitions),
270 static void __init cm_t3517_init_nand(void)
272 if (gpmc_nand_init(&cm_t3517_nand_data, NULL) < 0)
273 pr_err("CM-T3517: NAND initialization failed\n");
276 static inline void cm_t3517_init_nand(void) {}
279 #ifdef CONFIG_OMAP_MUX
280 static struct omap_board_mux board_mux[] __initdata = {
281 /* GPIO186 - Green LED */
282 OMAP3_MUX(SYS_CLKOUT2, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
286 OMAP3_MUX(MCBSP4_DR, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
288 OMAP3_MUX(MCBSP4_DX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
290 OMAP3_MUX(GPMC_NCS2, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
292 OMAP3_MUX(UART3_CTS_RCTX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
293 /* CS EN - GPIO160 */
294 OMAP3_MUX(MCBSP_CLKS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
297 OMAP3_MUX(UART2_TX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
299 OMAP3_MUX(UART2_RX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
300 /* CM-T3517 USB HUB nRESET */
301 OMAP3_MUX(MCBSP4_CLKX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
303 /* CD - GPIO144 and WP - GPIO59 for MMC1 - SB-T35 */
304 OMAP3_MUX(UART2_CTS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP),
305 OMAP3_MUX(GPMC_CLK, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP),
307 { .reg_offset = OMAP_MUX_TERMINATOR },
311 static void __init cm_t3517_init(void)
313 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
315 omap_sdrc_init(NULL, NULL);
316 cm_t3517_init_leds();
317 cm_t3517_init_nand();
319 cm_t3517_init_usbh();
320 cm_t3517_init_hecc();
321 am35xx_emac_init(AM35XX_DEFAULT_MDIO_FREQUENCY, 1);
322 omap_hsmmc_init(cm_t3517_mmc);
325 MACHINE_START(CM_T3517, "Compulab CM-T3517")
326 .atag_offset = 0x100,
327 .reserve = omap_reserve,
328 .map_io = omap3_map_io,
329 .init_early = am35xx_init_early,
330 .init_irq = omap3_init_irq,
331 .init_machine = cm_t3517_init,
332 .init_late = am35xx_init_late,
333 .init_time = omap3_gptimer_timer_init,
334 .restart = omap3xxx_restart,