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_phy_data phy_data
[] __initdata
= {
194 .reset_gpio
= HSUSB1_RESET_GPIO
,
199 .reset_gpio
= HSUSB2_RESET_GPIO
,
204 static struct usbhs_omap_platform_data cm_t3517_ehci_pdata __initdata
= {
205 .port_mode
[0] = OMAP_EHCI_PORT_MODE_PHY
,
206 .port_mode
[1] = OMAP_EHCI_PORT_MODE_PHY
,
209 static int __init
cm_t3517_init_usbh(void)
213 err
= gpio_request_one(USB_HUB_RESET_GPIO
, GPIOF_OUT_INIT_LOW
,
216 pr_err("CM-T3517: usb hub rst gpio request failed: %d\n", err
);
219 gpio_set_value(USB_HUB_RESET_GPIO
, 1);
223 usbhs_init_phys(phy_data
, ARRAY_SIZE(phy_data
));
224 usbhs_init(&cm_t3517_ehci_pdata
);
229 static inline int cm_t3517_init_usbh(void)
235 #if defined(CONFIG_MTD_NAND_OMAP2) || defined(CONFIG_MTD_NAND_OMAP2_MODULE)
236 static struct mtd_partition cm_t3517_nand_partitions
[] = {
239 .offset
= 0, /* Offset = 0x00000 */
240 .size
= 4 * NAND_BLOCK_SIZE
,
241 .mask_flags
= MTD_WRITEABLE
245 .offset
= MTDPART_OFS_APPEND
, /* Offset = 0x80000 */
246 .size
= 15 * NAND_BLOCK_SIZE
,
249 .name
= "uboot environment",
250 .offset
= MTDPART_OFS_APPEND
, /* Offset = 0x260000 */
251 .size
= 2 * NAND_BLOCK_SIZE
,
255 .offset
= MTDPART_OFS_APPEND
, /* Offset = 0x2A0000 */
256 .size
= 32 * NAND_BLOCK_SIZE
,
260 .offset
= MTDPART_OFS_APPEND
, /* Offset = 0x6A0000 */
261 .size
= MTDPART_SIZ_FULL
,
265 static struct omap_nand_platform_data cm_t3517_nand_data
= {
266 .parts
= cm_t3517_nand_partitions
,
267 .nr_parts
= ARRAY_SIZE(cm_t3517_nand_partitions
),
271 static void __init
cm_t3517_init_nand(void)
273 if (gpmc_nand_init(&cm_t3517_nand_data
, NULL
) < 0)
274 pr_err("CM-T3517: NAND initialization failed\n");
277 static inline void cm_t3517_init_nand(void) {}
280 #ifdef CONFIG_OMAP_MUX
281 static struct omap_board_mux board_mux
[] __initdata
= {
282 /* GPIO186 - Green LED */
283 OMAP3_MUX(SYS_CLKOUT2
, OMAP_MUX_MODE4
| OMAP_PIN_OUTPUT
),
287 OMAP3_MUX(MCBSP4_DR
, OMAP_MUX_MODE4
| OMAP_PIN_INPUT
),
289 OMAP3_MUX(MCBSP4_DX
, OMAP_MUX_MODE4
| OMAP_PIN_INPUT
),
291 OMAP3_MUX(GPMC_NCS2
, OMAP_MUX_MODE4
| OMAP_PIN_INPUT
),
293 OMAP3_MUX(UART3_CTS_RCTX
, OMAP_MUX_MODE4
| OMAP_PIN_INPUT
),
294 /* CS EN - GPIO160 */
295 OMAP3_MUX(MCBSP_CLKS
, OMAP_MUX_MODE4
| OMAP_PIN_INPUT
),
298 OMAP3_MUX(UART2_TX
, OMAP_MUX_MODE4
| OMAP_PIN_OUTPUT
),
300 OMAP3_MUX(UART2_RX
, OMAP_MUX_MODE4
| OMAP_PIN_OUTPUT
),
301 /* CM-T3517 USB HUB nRESET */
302 OMAP3_MUX(MCBSP4_CLKX
, OMAP_MUX_MODE4
| OMAP_PIN_OUTPUT
),
304 /* CD - GPIO144 and WP - GPIO59 for MMC1 - SB-T35 */
305 OMAP3_MUX(UART2_CTS
, OMAP_MUX_MODE4
| OMAP_PIN_INPUT_PULLUP
),
306 OMAP3_MUX(GPMC_CLK
, OMAP_MUX_MODE4
| OMAP_PIN_INPUT_PULLUP
),
308 { .reg_offset
= OMAP_MUX_TERMINATOR
},
312 static void __init
cm_t3517_init(void)
314 omap3_mux_init(board_mux
, OMAP_PACKAGE_CBB
);
316 omap_sdrc_init(NULL
, NULL
);
317 cm_t3517_init_leds();
318 cm_t3517_init_nand();
320 cm_t3517_init_usbh();
321 cm_t3517_init_hecc();
322 am35xx_emac_init(AM35XX_DEFAULT_MDIO_FREQUENCY
, 1);
323 omap_hsmmc_init(cm_t3517_mmc
);
326 MACHINE_START(CM_T3517
, "Compulab CM-T3517")
327 .atag_offset
= 0x100,
328 .reserve
= omap_reserve
,
329 .map_io
= omap3_map_io
,
330 .init_early
= am35xx_init_early
,
331 .init_irq
= omap3_init_irq
,
332 .handle_irq
= omap3_intc_handle_irq
,
333 .init_machine
= cm_t3517_init
,
334 .init_late
= am35xx_init_late
,
335 .init_time
= omap3_gptimer_timer_init
,
336 .restart
= omap3xxx_restart
,