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>
42 #include <linux/platform_data/mtd-nand-omap2.h>
49 #include "common-board-devices.h"
50 #include "am35xx-emac.h"
51 #include "gpmc-nand.h"
53 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
54 static struct gpio_led cm_t3517_leds[] = {
57 .name = "cm-t3517:green",
58 .default_trigger = "heartbeat",
63 static struct gpio_led_platform_data cm_t3517_led_pdata = {
64 .num_leds = ARRAY_SIZE(cm_t3517_leds),
65 .leds = cm_t3517_leds,
68 static struct platform_device cm_t3517_led_device = {
72 .platform_data = &cm_t3517_led_pdata,
76 static void __init cm_t3517_init_leds(void)
78 platform_device_register(&cm_t3517_led_device);
81 static inline void cm_t3517_init_leds(void) {}
84 #if defined(CONFIG_CAN_TI_HECC) || defined(CONFIG_CAN_TI_HECC_MODULE)
85 static struct resource cm_t3517_hecc_resources[] = {
87 .start = AM35XX_IPSS_HECC_BASE,
88 .end = AM35XX_IPSS_HECC_BASE + SZ_16K - 1,
89 .flags = IORESOURCE_MEM,
92 .start = 24 + OMAP_INTC_START,
93 .flags = IORESOURCE_IRQ,
97 static struct ti_hecc_platform_data cm_t3517_hecc_pdata = {
98 .scc_hecc_offset = AM35XX_HECC_SCC_HECC_OFFSET,
99 .scc_ram_offset = AM35XX_HECC_SCC_RAM_OFFSET,
100 .hecc_ram_offset = AM35XX_HECC_RAM_OFFSET,
101 .mbx_offset = AM35XX_HECC_MBOX_OFFSET,
102 .int_line = AM35XX_HECC_INT_LINE,
103 .version = AM35XX_HECC_VERSION,
106 static struct platform_device cm_t3517_hecc_device = {
109 .num_resources = ARRAY_SIZE(cm_t3517_hecc_resources),
110 .resource = cm_t3517_hecc_resources,
112 .platform_data = &cm_t3517_hecc_pdata,
116 static void cm_t3517_init_hecc(void)
118 platform_device_register(&cm_t3517_hecc_device);
121 static inline void cm_t3517_init_hecc(void) {}
124 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
125 #define RTC_IO_GPIO (153)
126 #define RTC_WR_GPIO (154)
127 #define RTC_RD_GPIO (53)
128 #define RTC_CS_GPIO (163)
129 #define RTC_CS_EN_GPIO (160)
131 struct v3020_platform_data cm_t3517_v3020_pdata = {
133 .gpio_cs = RTC_CS_GPIO,
134 .gpio_wr = RTC_WR_GPIO,
135 .gpio_rd = RTC_RD_GPIO,
136 .gpio_io = RTC_IO_GPIO,
139 static struct platform_device cm_t3517_rtc_device = {
143 .platform_data = &cm_t3517_v3020_pdata,
147 static void __init cm_t3517_init_rtc(void)
151 err = gpio_request_one(RTC_CS_EN_GPIO, GPIOF_OUT_INIT_HIGH,
154 pr_err("CM-T3517: rtc cs en gpio request failed: %d\n", err);
158 platform_device_register(&cm_t3517_rtc_device);
161 static inline void cm_t3517_init_rtc(void) {}
164 #if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_EHCI_HCD_MODULE)
165 #define HSUSB1_RESET_GPIO (146)
166 #define HSUSB2_RESET_GPIO (147)
167 #define USB_HUB_RESET_GPIO (152)
169 static struct usbhs_omap_platform_data cm_t3517_ehci_pdata __initdata = {
170 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
171 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
172 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
175 .reset_gpio_port[0] = HSUSB1_RESET_GPIO,
176 .reset_gpio_port[1] = HSUSB2_RESET_GPIO,
177 .reset_gpio_port[2] = -EINVAL,
180 static int __init cm_t3517_init_usbh(void)
184 err = gpio_request_one(USB_HUB_RESET_GPIO, GPIOF_OUT_INIT_LOW,
187 pr_err("CM-T3517: usb hub rst gpio request failed: %d\n", err);
190 gpio_set_value(USB_HUB_RESET_GPIO, 1);
194 usbhs_init(&cm_t3517_ehci_pdata);
199 static inline int cm_t3517_init_usbh(void)
205 #if defined(CONFIG_MTD_NAND_OMAP2) || defined(CONFIG_MTD_NAND_OMAP2_MODULE)
206 static struct mtd_partition cm_t3517_nand_partitions[] = {
209 .offset = 0, /* Offset = 0x00000 */
210 .size = 4 * NAND_BLOCK_SIZE,
211 .mask_flags = MTD_WRITEABLE
215 .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
216 .size = 15 * NAND_BLOCK_SIZE,
219 .name = "uboot environment",
220 .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */
221 .size = 2 * NAND_BLOCK_SIZE,
225 .offset = MTDPART_OFS_APPEND, /* Offset = 0x2A0000 */
226 .size = 32 * NAND_BLOCK_SIZE,
230 .offset = MTDPART_OFS_APPEND, /* Offset = 0x6A0000 */
231 .size = MTDPART_SIZ_FULL,
235 static struct omap_nand_platform_data cm_t3517_nand_data = {
236 .parts = cm_t3517_nand_partitions,
237 .nr_parts = ARRAY_SIZE(cm_t3517_nand_partitions),
241 static void __init cm_t3517_init_nand(void)
243 if (gpmc_nand_init(&cm_t3517_nand_data, NULL) < 0)
244 pr_err("CM-T3517: NAND initialization failed\n");
247 static inline void cm_t3517_init_nand(void) {}
250 #ifdef CONFIG_OMAP_MUX
251 static struct omap_board_mux board_mux[] __initdata = {
252 /* GPIO186 - Green LED */
253 OMAP3_MUX(SYS_CLKOUT2, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
257 OMAP3_MUX(MCBSP4_DR, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
259 OMAP3_MUX(MCBSP4_DX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
261 OMAP3_MUX(GPMC_NCS2, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
263 OMAP3_MUX(UART3_CTS_RCTX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
264 /* CS EN - GPIO160 */
265 OMAP3_MUX(MCBSP_CLKS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
268 OMAP3_MUX(UART2_TX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
270 OMAP3_MUX(UART2_RX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
271 /* CM-T3517 USB HUB nRESET */
272 OMAP3_MUX(MCBSP4_CLKX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
274 { .reg_offset = OMAP_MUX_TERMINATOR },
278 static void __init cm_t3517_init(void)
280 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
282 omap_sdrc_init(NULL, NULL);
283 cm_t3517_init_leds();
284 cm_t3517_init_nand();
286 cm_t3517_init_usbh();
287 cm_t3517_init_hecc();
288 am35xx_emac_init(AM35XX_DEFAULT_MDIO_FREQUENCY, 1);
291 MACHINE_START(CM_T3517, "Compulab CM-T3517")
292 .atag_offset = 0x100,
293 .reserve = omap_reserve,
294 .map_io = omap3_map_io,
295 .init_early = am35xx_init_early,
296 .init_irq = omap3_init_irq,
297 .handle_irq = omap3_intc_handle_irq,
298 .init_machine = cm_t3517_init,
299 .init_late = am35xx_init_late,
300 .init_time = omap3_gp_gptimer_timer_init,
301 .restart = omap3xxx_restart,