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>
41 #include <plat/board.h>
44 #include <plat/nand.h>
45 #include <plat/gpmc.h>
47 #include <mach/am35xx.h>
51 #include "common-board-devices.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
= INT_35XX_HECC0_IRQ
,
93 .end
= INT_35XX_HECC0_IRQ
,
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 static struct omap_board_config_kernel cm_t3517_config
[] __initdata
= {
254 #ifdef CONFIG_OMAP_MUX
255 static struct omap_board_mux board_mux
[] __initdata
= {
256 /* GPIO186 - Green LED */
257 OMAP3_MUX(SYS_CLKOUT2
, OMAP_MUX_MODE4
| OMAP_PIN_OUTPUT
),
261 OMAP3_MUX(MCBSP4_DR
, OMAP_MUX_MODE4
| OMAP_PIN_INPUT
),
263 OMAP3_MUX(MCBSP4_DX
, OMAP_MUX_MODE4
| OMAP_PIN_INPUT
),
265 OMAP3_MUX(GPMC_NCS2
, OMAP_MUX_MODE4
| OMAP_PIN_INPUT
),
267 OMAP3_MUX(UART3_CTS_RCTX
, OMAP_MUX_MODE4
| OMAP_PIN_INPUT
),
268 /* CS EN - GPIO160 */
269 OMAP3_MUX(MCBSP_CLKS
, OMAP_MUX_MODE4
| OMAP_PIN_INPUT
),
272 OMAP3_MUX(UART2_TX
, OMAP_MUX_MODE4
| OMAP_PIN_OUTPUT
),
274 OMAP3_MUX(UART2_RX
, OMAP_MUX_MODE4
| OMAP_PIN_OUTPUT
),
275 /* CM-T3517 USB HUB nRESET */
276 OMAP3_MUX(MCBSP4_CLKX
, OMAP_MUX_MODE4
| OMAP_PIN_OUTPUT
),
278 { .reg_offset
= OMAP_MUX_TERMINATOR
},
282 static void __init
cm_t3517_init(void)
284 omap3_mux_init(board_mux
, OMAP_PACKAGE_CBB
);
286 omap_sdrc_init(NULL
, NULL
);
287 omap_board_config
= cm_t3517_config
;
288 omap_board_config_size
= ARRAY_SIZE(cm_t3517_config
);
289 cm_t3517_init_leds();
290 cm_t3517_init_nand();
292 cm_t3517_init_usbh();
293 cm_t3517_init_hecc();
296 MACHINE_START(CM_T3517
, "Compulab CM-T3517")
297 .atag_offset
= 0x100,
298 .reserve
= omap_reserve
,
299 .map_io
= omap3_map_io
,
300 .init_early
= am35xx_init_early
,
301 .init_irq
= omap3_init_irq
,
302 .handle_irq
= omap3_intc_handle_irq
,
303 .init_machine
= cm_t3517_init
,
304 .timer
= &omap3_timer
,
305 .restart
= omap_prcm_restart
,