Mark F. Brown | 1bbd708 | 2010-09-12 23:51:34 -0400 | [diff] [blame] | 1 | /* |
| 2 | * linux/arch/arm/mach-mmp/teton_bga.c |
| 3 | * |
| 4 | * Support for the Marvell PXA168 Teton BGA Development Platform. |
| 5 | * |
| 6 | * Author: Mark F. Brown <mark.brown314@gmail.com> |
| 7 | * |
| 8 | * This code is based on aspenite.c |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License version 2 as |
| 12 | * publishhed by the Free Software Foundation. |
| 13 | */ |
| 14 | |
| 15 | #include <linux/init.h> |
| 16 | #include <linux/kernel.h> |
| 17 | #include <linux/platform_device.h> |
| 18 | #include <linux/gpio.h> |
Mark F. Brown | d2ce697 | 2010-09-12 23:51:35 -0400 | [diff] [blame] | 19 | #include <linux/input.h> |
| 20 | #include <plat/pxa27x_keypad.h> |
Mark F. Brown | 759305c | 2010-09-12 23:51:36 -0400 | [diff] [blame] | 21 | #include <linux/i2c.h> |
Mark F. Brown | 1bbd708 | 2010-09-12 23:51:34 -0400 | [diff] [blame] | 22 | |
| 23 | #include <asm/mach-types.h> |
| 24 | #include <asm/mach/arch.h> |
| 25 | #include <mach/addr-map.h> |
| 26 | #include <mach/mfp-pxa168.h> |
| 27 | #include <mach/pxa168.h> |
| 28 | #include <mach/teton_bga.h> |
| 29 | |
| 30 | #include "common.h" |
| 31 | |
| 32 | static unsigned long teton_bga_pin_config[] __initdata = { |
| 33 | /* UART1 */ |
| 34 | GPIO107_UART1_TXD, |
| 35 | GPIO108_UART1_RXD, |
Mark F. Brown | d2ce697 | 2010-09-12 23:51:35 -0400 | [diff] [blame] | 36 | |
| 37 | /* Keypad */ |
| 38 | GPIO109_KP_MKIN1, |
| 39 | GPIO110_KP_MKIN0, |
| 40 | GPIO111_KP_MKOUT7, |
| 41 | GPIO112_KP_MKOUT6, |
Mark F. Brown | 759305c | 2010-09-12 23:51:36 -0400 | [diff] [blame] | 42 | |
| 43 | /* I2C Bus */ |
| 44 | GPIO105_CI2C_SDA, |
| 45 | GPIO106_CI2C_SCL, |
| 46 | |
| 47 | /* RTC */ |
| 48 | GPIO78_GPIO, |
Mark F. Brown | d2ce697 | 2010-09-12 23:51:35 -0400 | [diff] [blame] | 49 | }; |
| 50 | |
| 51 | static unsigned int teton_bga_matrix_key_map[] = { |
| 52 | KEY(0, 6, KEY_ESC), |
| 53 | KEY(0, 7, KEY_ENTER), |
| 54 | KEY(1, 6, KEY_LEFT), |
| 55 | KEY(1, 7, KEY_RIGHT), |
| 56 | }; |
| 57 | |
| 58 | static struct pxa27x_keypad_platform_data teton_bga_keypad_info __initdata = { |
| 59 | .matrix_key_rows = 2, |
| 60 | .matrix_key_cols = 8, |
| 61 | .matrix_key_map = teton_bga_matrix_key_map, |
| 62 | .matrix_key_map_size = ARRAY_SIZE(teton_bga_matrix_key_map), |
| 63 | .debounce_interval = 30, |
Mark F. Brown | 1bbd708 | 2010-09-12 23:51:34 -0400 | [diff] [blame] | 64 | }; |
| 65 | |
Mark F. Brown | 759305c | 2010-09-12 23:51:36 -0400 | [diff] [blame] | 66 | static struct i2c_board_info teton_bga_i2c_info[] __initdata = { |
| 67 | { |
| 68 | I2C_BOARD_INFO("ds1337", 0x68), |
| 69 | .irq = gpio_to_irq(RTC_INT_GPIO) |
| 70 | }, |
| 71 | }; |
| 72 | |
Mark F. Brown | 1bbd708 | 2010-09-12 23:51:34 -0400 | [diff] [blame] | 73 | static void __init teton_bga_init(void) |
| 74 | { |
| 75 | mfp_config(ARRAY_AND_SIZE(teton_bga_pin_config)); |
| 76 | |
| 77 | /* on-chip devices */ |
| 78 | pxa168_add_uart(1); |
Mark F. Brown | d2ce697 | 2010-09-12 23:51:35 -0400 | [diff] [blame] | 79 | pxa168_add_keypad(&teton_bga_keypad_info); |
Mark F. Brown | 759305c | 2010-09-12 23:51:36 -0400 | [diff] [blame] | 80 | pxa168_add_twsi(0, NULL, ARRAY_AND_SIZE(teton_bga_i2c_info)); |
Mark F. Brown | 1bbd708 | 2010-09-12 23:51:34 -0400 | [diff] [blame] | 81 | } |
| 82 | |
| 83 | MACHINE_START(TETON_BGA, "PXA168-based Teton BGA Development Platform") |
Mark F. Brown | 1bbd708 | 2010-09-12 23:51:34 -0400 | [diff] [blame] | 84 | .map_io = mmp_map_io, |
| 85 | .nr_irqs = IRQ_BOARD_START, |
| 86 | .init_irq = pxa168_init_irq, |
| 87 | .timer = &pxa168_timer, |
| 88 | .init_machine = teton_bga_init, |
| 89 | MACHINE_END |