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/can/platform/ti_hecc.h>
37 #include <asm/mach-types.h>
38 #include <asm/mach/arch.h>
39 #include <asm/mach/map.h>
43 #include <plat/nand.h>
44 #include <plat/gpmc.h>
45 #include <plat/serial.h>
47 #include <mach/am35xx.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_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
126 #define RTC_IO_GPIO (153)
127 #define RTC_WR_GPIO (154)
128 #define RTC_RD_GPIO (53)
129 #define RTC_CS_GPIO (163)
130 #define RTC_CS_EN_GPIO (160)
132 struct v3020_platform_data cm_t3517_v3020_pdata = {
134 .gpio_cs = RTC_CS_GPIO,
135 .gpio_wr = RTC_WR_GPIO,
136 .gpio_rd = RTC_RD_GPIO,
137 .gpio_io = RTC_IO_GPIO,
140 static struct platform_device cm_t3517_rtc_device = {
144 .platform_data = &cm_t3517_v3020_pdata,
148 static void __init cm_t3517_init_rtc(void)
152 err = gpio_request_one(RTC_CS_EN_GPIO, GPIOF_OUT_INIT_HIGH,
155 pr_err("CM-T3517: rtc cs en gpio request failed: %d\n", err);
159 platform_device_register(&cm_t3517_rtc_device);
162 static inline void cm_t3517_init_rtc(void) {}
165 #if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_EHCI_HCD_MODULE)
166 #define HSUSB1_RESET_GPIO (146)
167 #define HSUSB2_RESET_GPIO (147)
168 #define USB_HUB_RESET_GPIO (152)
170 static struct usbhs_omap_board_data cm_t3517_ehci_pdata __initdata = {
171 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
172 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
173 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
176 .reset_gpio_port[0] = HSUSB1_RESET_GPIO,
177 .reset_gpio_port[1] = HSUSB2_RESET_GPIO,
178 .reset_gpio_port[2] = -EINVAL,
181 static int __init cm_t3517_init_usbh(void)
185 err = gpio_request_one(USB_HUB_RESET_GPIO, GPIOF_OUT_INIT_LOW,
188 pr_err("CM-T3517: usb hub rst gpio request failed: %d\n", err);
191 gpio_set_value(USB_HUB_RESET_GPIO, 1);
195 usbhs_init(&cm_t3517_ehci_pdata);
200 static inline int cm_t3517_init_usbh(void)
206 #if defined(CONFIG_MTD_NAND_OMAP2) || defined(CONFIG_MTD_NAND_OMAP2_MODULE)
207 static struct mtd_partition cm_t3517_nand_partitions[] = {
210 .offset = 0, /* Offset = 0x00000 */
211 .size = 4 * NAND_BLOCK_SIZE,
212 .mask_flags = MTD_WRITEABLE
216 .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
217 .size = 15 * NAND_BLOCK_SIZE,
220 .name = "uboot environment",
221 .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */
222 .size = 2 * NAND_BLOCK_SIZE,
226 .offset = MTDPART_OFS_APPEND, /* Offset = 0x2A0000 */
227 .size = 32 * NAND_BLOCK_SIZE,
231 .offset = MTDPART_OFS_APPEND, /* Offset = 0x6A0000 */
232 .size = MTDPART_SIZ_FULL,
236 static struct omap_nand_platform_data cm_t3517_nand_data = {
237 .parts = cm_t3517_nand_partitions,
238 .nr_parts = ARRAY_SIZE(cm_t3517_nand_partitions),
242 static void __init cm_t3517_init_nand(void)
244 if (gpmc_nand_init(&cm_t3517_nand_data) < 0)
245 pr_err("CM-T3517: NAND initialization failed\n");
248 static inline void cm_t3517_init_nand(void) {}
251 #ifdef CONFIG_OMAP_MUX
252 static struct omap_board_mux board_mux[] __initdata = {
253 /* GPIO186 - Green LED */
254 OMAP3_MUX(SYS_CLKOUT2, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
258 OMAP3_MUX(MCBSP4_DR, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
260 OMAP3_MUX(MCBSP4_DX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
262 OMAP3_MUX(GPMC_NCS2, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
264 OMAP3_MUX(UART3_CTS_RCTX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
265 /* CS EN - GPIO160 */
266 OMAP3_MUX(MCBSP_CLKS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
269 OMAP3_MUX(UART2_TX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
271 OMAP3_MUX(UART2_RX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
272 /* CM-T3517 USB HUB nRESET */
273 OMAP3_MUX(MCBSP4_CLKX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
275 { .reg_offset = OMAP_MUX_TERMINATOR },
279 static void __init cm_t3517_init(void)
281 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
283 omap_sdrc_init(NULL, NULL);
284 cm_t3517_init_leds();
285 cm_t3517_init_nand();
287 cm_t3517_init_usbh();
288 cm_t3517_init_hecc();
289 am35xx_emac_init(AM35XX_DEFAULT_MDIO_FREQUENCY, 1);
292 MACHINE_START(CM_T3517, "Compulab CM-T3517")
293 .atag_offset = 0x100,
294 .reserve = omap_reserve,
295 .map_io = omap3_map_io,
296 .init_early = am35xx_init_early,
297 .init_irq = omap3_init_irq,
298 .handle_irq = omap3_intc_handle_irq,
299 .init_machine = cm_t3517_init,
300 .init_late = am35xx_init_late,
301 .timer = &omap3_timer,
302 .restart = omap_prcm_restart,