2 * Texas Instruments TNETV107X EVM Board Support
4 * Copyright (C) 2010 Texas Instruments
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation version 2.
10 * This program is distributed "as is" WITHOUT ANY WARRANTY of any
11 * kind, whether express or implied; without even the implied warranty
12 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 #include <linux/kernel.h>
16 #include <linux/init.h>
17 #include <linux/console.h>
18 #include <linux/dma-mapping.h>
19 #include <linux/interrupt.h>
20 #include <linux/gpio.h>
21 #include <linux/delay.h>
22 #include <linux/platform_device.h>
23 #include <linux/ratelimit.h>
24 #include <linux/mtd/mtd.h>
25 #include <linux/mtd/partitions.h>
26 #include <linux/input.h>
27 #include <linux/input/matrix_keypad.h>
29 #include <asm/mach/arch.h>
30 #include <asm/mach-types.h>
32 #include <mach/irqs.h>
33 #include <mach/edma.h>
35 #include <mach/cp_intc.h>
36 #include <mach/tnetv107x.h>
38 #define EVM_MMC_WP_GPIO 21
39 #define EVM_MMC_CD_GPIO 24
41 static int initialize_gpio(int gpio
, char *desc
)
45 ret
= gpio_request(gpio
, desc
);
47 pr_err_ratelimited("cannot open %s gpio\n", desc
);
50 gpio_direction_input(gpio
);
54 static int mmc_get_cd(int index
)
59 gpio
= initialize_gpio(EVM_MMC_CD_GPIO
, "mmc card detect");
64 return gpio_get_value(gpio
) ? 0 : 1;
67 static int mmc_get_ro(int index
)
72 gpio
= initialize_gpio(EVM_MMC_WP_GPIO
, "mmc write protect");
77 return gpio_get_value(gpio
) ? 1 : 0;
80 static struct davinci_mmc_config mmc_config
= {
85 .caps
= MMC_CAP_MMC_HIGHSPEED
| MMC_CAP_SD_HIGHSPEED
,
86 .version
= MMC_CTLR_VERSION_1
,
89 static const short sdio1_pins
[] __initdata
= {
90 TNETV107X_SDIO1_CLK_1
, TNETV107X_SDIO1_CMD_1
,
91 TNETV107X_SDIO1_DATA0_1
, TNETV107X_SDIO1_DATA1_1
,
92 TNETV107X_SDIO1_DATA2_1
, TNETV107X_SDIO1_DATA3_1
,
93 TNETV107X_GPIO21
, TNETV107X_GPIO24
,
97 static const short uart1_pins
[] __initdata
= {
98 TNETV107X_UART1_RD
, TNETV107X_UART1_TD
,
102 static const short ssp_pins
[] __initdata
= {
103 TNETV107X_SSP0_0
, TNETV107X_SSP0_1
, TNETV107X_SSP0_2
,
104 TNETV107X_SSP1_0
, TNETV107X_SSP1_1
, TNETV107X_SSP1_2
,
108 static struct mtd_partition nand_partitions
[] = {
109 /* bootloader (U-Boot, etc) in first 12 sectors */
111 .name
= "bootloader",
113 .size
= (12*SZ_128K
),
114 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
116 /* bootloader params in the next sector */
119 .offset
= MTDPART_OFS_NXTBLK
,
121 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
126 .offset
= MTDPART_OFS_NXTBLK
,
132 .name
= "filesystem",
133 .offset
= MTDPART_OFS_NXTBLK
,
134 .size
= MTDPART_SIZ_FULL
,
139 static struct davinci_nand_pdata nand_config
= {
142 .parts
= nand_partitions
,
143 .nr_parts
= ARRAY_SIZE(nand_partitions
),
144 .ecc_mode
= NAND_ECC_HW
,
145 .options
= NAND_USE_FLASH_BBT
,
149 static struct davinci_uart_config serial_config __initconst
= {
150 .enabled_uarts
= BIT(1),
153 static const uint32_t keymap
[] = {
154 KEY(0, 0, KEY_NUMERIC_1
),
155 KEY(0, 1, KEY_NUMERIC_2
),
156 KEY(0, 2, KEY_NUMERIC_3
),
157 KEY(0, 3, KEY_FN_F1
),
160 KEY(1, 0, KEY_NUMERIC_4
),
161 KEY(1, 1, KEY_NUMERIC_5
),
162 KEY(1, 2, KEY_NUMERIC_6
),
164 KEY(1, 4, KEY_FN_F2
),
166 KEY(2, 0, KEY_NUMERIC_7
),
167 KEY(2, 1, KEY_NUMERIC_8
),
168 KEY(2, 2, KEY_NUMERIC_9
),
170 KEY(2, 4, KEY_ENTER
),
172 KEY(3, 0, KEY_NUMERIC_STAR
),
173 KEY(3, 1, KEY_NUMERIC_0
),
174 KEY(3, 2, KEY_NUMERIC_POUND
),
176 KEY(3, 4, KEY_RIGHT
),
178 KEY(4, 0, KEY_FN_F3
),
179 KEY(4, 1, KEY_FN_F4
),
184 KEY(5, 0, KEY_VOLUMEDOWN
),
185 KEY(5, 1, KEY_VOLUMEUP
),
191 static const struct matrix_keymap_data keymap_data
= {
193 .keymap_size
= ARRAY_SIZE(keymap
),
196 static struct matrix_keypad_platform_data keypad_config
= {
197 .keymap_data
= &keymap_data
,
200 .debounce_ms
= 0, /* minimum */
201 .active_low
= 0, /* pull up realization */
205 static struct ti_ssp_data ssp_config
= {
206 .out_clock
= 250 * 1000,
211 static struct tnetv107x_device_info evm_device_info __initconst
= {
212 .serial_config
= &serial_config
,
213 .mmc_config
[1] = &mmc_config
, /* controller 1 */
214 .nand_config
[0] = &nand_config
, /* chip select 0 */
215 .keypad_config
= &keypad_config
,
216 .ssp_config
= &ssp_config
,
219 static __init
void tnetv107x_evm_board_init(void)
221 davinci_cfg_reg_list(sdio1_pins
);
222 davinci_cfg_reg_list(uart1_pins
);
223 davinci_cfg_reg_list(ssp_pins
);
225 tnetv107x_devices_init(&evm_device_info
);
228 #ifdef CONFIG_SERIAL_8250_CONSOLE
229 static int __init
tnetv107x_evm_console_init(void)
231 return add_preferred_console("ttyS", 0, "115200");
233 console_initcall(tnetv107x_evm_console_init
);
236 MACHINE_START(TNETV107X
, "TNETV107X EVM")
237 .boot_params
= (TNETV107X_DDR_BASE
+ 0x100),
238 .map_io
= tnetv107x_init
,
239 .init_irq
= cp_intc_init
,
240 .timer
= &davinci_timer
,
241 .init_machine
= tnetv107x_evm_board_init
,