2008-10-10 10:28:23 +02:00
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/*
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* linux/arch/arm/mach-omap2/board-ldp.c
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*
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* Copyright (C) 2008 Texas Instruments Inc.
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* Nishant Kamat <nskamat@ti.com>
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*
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* Modified from mach-omap2/board-3430sdp.c
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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2011-07-26 11:53:52 +02:00
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#include <linux/gpio.h>
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2008-10-10 10:28:23 +02:00
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/delay.h>
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#include <linux/input.h>
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2009-10-22 23:43:17 +02:00
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#include <linux/input/matrix_keypad.h>
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2009-05-28 23:04:00 +02:00
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#include <linux/gpio_keys.h>
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2008-10-10 10:28:23 +02:00
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#include <linux/workqueue.h>
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#include <linux/err.h>
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#include <linux/clk.h>
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#include <linux/spi/spi.h>
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2012-03-23 10:21:37 +01:00
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#include <linux/regulator/fixed.h>
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2009-05-28 23:04:00 +02:00
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#include <linux/regulator/machine.h>
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2009-12-13 20:05:51 +01:00
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#include <linux/i2c/twl.h>
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2009-03-25 11:21:35 +01:00
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#include <linux/io.h>
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2009-01-23 18:09:13 +01:00
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#include <linux/smsc911x.h>
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2010-09-15 16:49:23 +02:00
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#include <linux/mmc/host.h>
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2012-08-24 15:21:06 +02:00
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#include <linux/platform_data/spi-omap2-mcspi.h>
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2008-10-10 10:28:23 +02:00
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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2011-11-10 22:45:17 +01:00
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#include "common.h"
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2009-10-20 18:40:47 +02:00
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#include <plat/gpmc.h>
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2010-07-09 16:27:51 +02:00
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#include <mach/board-zoom.h>
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2009-10-20 18:40:47 +02:00
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#include <plat/usb.h>
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2012-09-20 20:41:46 +02:00
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#include "gpmc-smsc911x.h"
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2008-10-10 10:28:23 +02:00
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2011-05-09 09:11:51 +02:00
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#include <video/omapdss.h>
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#include <video/omap-panel-generic-dpi.h>
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2010-10-08 18:58:35 +02:00
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#include "board-flash.h"
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2009-12-12 01:16:32 +01:00
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#include "mux.h"
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2010-02-15 19:03:34 +01:00
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#include "hsmmc.h"
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2010-10-08 19:40:20 +02:00
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#include "control.h"
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2011-04-25 00:09:05 +02:00
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#include "common-board-devices.h"
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2008-12-11 02:37:17 +01:00
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2009-01-23 18:09:13 +01:00
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#define LDP_SMSC911X_CS 1
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#define LDP_SMSC911X_GPIO 152
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2009-03-24 02:07:37 +01:00
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#define DEBUG_BASE 0x08000000
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#define LDP_ETHR_START DEBUG_BASE
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2008-12-11 02:36:53 +01:00
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2010-10-08 19:01:13 +02:00
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static uint32_t board_keymap[] = {
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2009-05-28 23:04:00 +02:00
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KEY(0, 0, KEY_1),
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KEY(1, 0, KEY_2),
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KEY(2, 0, KEY_3),
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KEY(0, 1, KEY_4),
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KEY(1, 1, KEY_5),
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KEY(2, 1, KEY_6),
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KEY(3, 1, KEY_F5),
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KEY(0, 2, KEY_7),
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KEY(1, 2, KEY_8),
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KEY(2, 2, KEY_9),
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KEY(3, 2, KEY_F6),
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KEY(0, 3, KEY_F7),
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KEY(1, 3, KEY_0),
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KEY(2, 3, KEY_F8),
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PERSISTENT_KEY(4, 5),
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KEY(4, 4, KEY_VOLUMEUP),
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KEY(5, 5, KEY_VOLUMEDOWN),
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0
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};
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2009-09-25 01:23:16 +02:00
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static struct matrix_keymap_data board_map_data = {
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.keymap = board_keymap,
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.keymap_size = ARRAY_SIZE(board_keymap),
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};
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2009-05-28 23:04:00 +02:00
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static struct twl4030_keypad_data ldp_kp_twl4030_data = {
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2009-09-25 01:23:16 +02:00
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.keymap_data = &board_map_data,
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2009-05-28 23:04:00 +02:00
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.rows = 6,
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.cols = 6,
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.rep = 1,
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};
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static struct gpio_keys_button ldp_gpio_keys_buttons[] = {
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[0] = {
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.code = KEY_ENTER,
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.gpio = 101,
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.desc = "enter sw",
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.active_low = 1,
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.debounce_interval = 30,
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},
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[1] = {
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.code = KEY_F1,
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.gpio = 102,
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.desc = "func 1",
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.active_low = 1,
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.debounce_interval = 30,
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},
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[2] = {
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.code = KEY_F2,
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.gpio = 103,
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.desc = "func 2",
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.active_low = 1,
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.debounce_interval = 30,
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},
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[3] = {
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.code = KEY_F3,
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.gpio = 104,
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.desc = "func 3",
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.active_low = 1,
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.debounce_interval = 30,
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},
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[4] = {
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.code = KEY_F4,
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.gpio = 105,
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.desc = "func 4",
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.active_low = 1,
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.debounce_interval = 30,
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},
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[5] = {
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.code = KEY_LEFT,
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.gpio = 106,
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.desc = "left sw",
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.active_low = 1,
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.debounce_interval = 30,
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},
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[6] = {
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.code = KEY_RIGHT,
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.gpio = 107,
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.desc = "right sw",
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.active_low = 1,
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.debounce_interval = 30,
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},
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[7] = {
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.code = KEY_UP,
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.gpio = 108,
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.desc = "up sw",
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.active_low = 1,
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.debounce_interval = 30,
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},
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[8] = {
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.code = KEY_DOWN,
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.gpio = 109,
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.desc = "down sw",
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.active_low = 1,
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.debounce_interval = 30,
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},
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};
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static struct gpio_keys_platform_data ldp_gpio_keys = {
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.buttons = ldp_gpio_keys_buttons,
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.nbuttons = ARRAY_SIZE(ldp_gpio_keys_buttons),
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.rep = 1,
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};
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static struct platform_device ldp_gpio_keys_device = {
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.name = "gpio-keys",
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.id = -1,
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.dev = {
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.platform_data = &ldp_gpio_keys,
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},
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};
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2011-04-17 00:29:30 +02:00
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static struct omap_smsc911x_platform_data smsc911x_cfg = {
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.cs = LDP_SMSC911X_CS,
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.gpio_irq = LDP_SMSC911X_GPIO,
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.gpio_reset = -EINVAL,
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.flags = SMSC911X_USE_32BIT,
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};
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2009-01-23 18:09:13 +01:00
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static inline void __init ldp_init_smsc911x(void)
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2008-12-11 02:36:53 +01:00
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{
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2011-04-17 00:29:30 +02:00
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gpmc_smsc911x_init(&smsc911x_cfg);
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2008-12-11 02:36:53 +01:00
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}
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2011-05-09 09:11:51 +02:00
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/* LCD */
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static int ldp_backlight_gpio;
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static int ldp_lcd_enable_gpio;
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#define LCD_PANEL_RESET_GPIO 55
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#define LCD_PANEL_QVGA_GPIO 56
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static int ldp_panel_enable_lcd(struct omap_dss_device *dssdev)
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{
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if (gpio_is_valid(ldp_lcd_enable_gpio))
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gpio_direction_output(ldp_lcd_enable_gpio, 1);
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if (gpio_is_valid(ldp_backlight_gpio))
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gpio_direction_output(ldp_backlight_gpio, 1);
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return 0;
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}
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static void ldp_panel_disable_lcd(struct omap_dss_device *dssdev)
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{
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if (gpio_is_valid(ldp_lcd_enable_gpio))
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gpio_direction_output(ldp_lcd_enable_gpio, 0);
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if (gpio_is_valid(ldp_backlight_gpio))
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gpio_direction_output(ldp_backlight_gpio, 0);
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}
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static struct panel_generic_dpi_data ldp_panel_data = {
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.name = "nec_nl2432dr22-11b",
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.platform_enable = ldp_panel_enable_lcd,
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.platform_disable = ldp_panel_disable_lcd,
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2009-05-28 23:04:00 +02:00
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};
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2011-05-09 09:11:51 +02:00
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static struct omap_dss_device ldp_lcd_device = {
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.name = "lcd",
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.driver_name = "generic_dpi_panel",
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.type = OMAP_DISPLAY_TYPE_DPI,
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.phy.dpi.data_lines = 18,
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.data = &ldp_panel_data,
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};
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static struct omap_dss_device *ldp_dss_devices[] = {
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&ldp_lcd_device,
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2009-05-28 23:04:00 +02:00
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};
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2011-05-09 09:11:51 +02:00
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static struct omap_dss_board_info ldp_dss_data = {
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.num_devices = ARRAY_SIZE(ldp_dss_devices),
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.devices = ldp_dss_devices,
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.default_device = &ldp_lcd_device,
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2008-10-10 10:28:23 +02:00
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};
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2011-05-09 09:11:51 +02:00
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static void __init ldp_display_init(void)
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{
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int r;
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static struct gpio gpios[] __initdata = {
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{LCD_PANEL_RESET_GPIO, GPIOF_OUT_INIT_HIGH, "LCD RESET"},
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{LCD_PANEL_QVGA_GPIO, GPIOF_OUT_INIT_HIGH, "LCD QVGA"},
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};
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r = gpio_request_array(gpios, ARRAY_SIZE(gpios));
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if (r) {
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pr_err("Cannot request LCD GPIOs, error %d\n", r);
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return;
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}
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omap_display_init(&ldp_dss_data);
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}
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static int ldp_twl_gpio_setup(struct device *dev, unsigned gpio, unsigned ngpio)
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{
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int r;
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struct gpio gpios[] = {
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{gpio + 7 , GPIOF_OUT_INIT_LOW, "LCD ENABLE"},
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{gpio + 15, GPIOF_OUT_INIT_LOW, "LCD BACKLIGHT"},
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};
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r = gpio_request_array(gpios, ARRAY_SIZE(gpios));
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if (r) {
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pr_err("Cannot request LCD GPIOs, error %d\n", r);
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ldp_backlight_gpio = -EINVAL;
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ldp_lcd_enable_gpio = -EINVAL;
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return r;
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}
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ldp_backlight_gpio = gpio + 15;
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ldp_lcd_enable_gpio = gpio + 7;
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return 0;
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}
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2008-12-11 02:37:17 +01:00
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static struct twl4030_gpio_platform_data ldp_gpio_data = {
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2011-05-09 09:11:51 +02:00
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.setup = ldp_twl_gpio_setup,
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2008-12-11 02:37:17 +01:00
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};
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2011-06-06 20:57:07 +02:00
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static struct regulator_consumer_supply ldp_vmmc1_supply[] = {
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REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
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2009-05-28 23:04:00 +02:00
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};
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/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
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static struct regulator_init_data ldp_vmmc1 = {
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.constraints = {
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.min_uV = 1850000,
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.max_uV = 3150000,
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
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| REGULATOR_CHANGE_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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2011-06-06 20:57:07 +02:00
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.num_consumer_supplies = ARRAY_SIZE(ldp_vmmc1_supply),
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.consumer_supplies = ldp_vmmc1_supply,
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2009-05-28 23:04:00 +02:00
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};
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2011-02-24 13:56:42 +01:00
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/* ads7846 on SPI */
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static struct regulator_consumer_supply ldp_vaux1_supplies[] = {
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REGULATOR_SUPPLY("vcc", "spi1.0"),
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};
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/* VAUX1 */
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static struct regulator_init_data ldp_vaux1 = {
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.constraints = {
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.min_uV = 3000000,
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.max_uV = 3000000,
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.apply_uV = true,
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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.num_consumer_supplies = ARRAY_SIZE(ldp_vaux1_supplies),
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.consumer_supplies = ldp_vaux1_supplies,
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};
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2011-05-09 09:11:51 +02:00
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static struct regulator_consumer_supply ldp_vpll2_supplies[] = {
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REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
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REGULATOR_SUPPLY("vdds_dsi", "omapdss_dsi1"),
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};
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static struct regulator_init_data ldp_vpll2 = {
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.constraints = {
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.name = "VDVI",
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.min_uV = 1800000,
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.max_uV = 1800000,
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.apply_uV = true,
|
|
|
|
.valid_modes_mask = REGULATOR_MODE_NORMAL
|
|
|
|
| REGULATOR_MODE_STANDBY,
|
|
|
|
.valid_ops_mask = REGULATOR_CHANGE_MODE
|
|
|
|
| REGULATOR_CHANGE_STATUS,
|
|
|
|
},
|
|
|
|
.num_consumer_supplies = ARRAY_SIZE(ldp_vpll2_supplies),
|
|
|
|
.consumer_supplies = ldp_vpll2_supplies,
|
|
|
|
};
|
|
|
|
|
2008-12-11 02:37:17 +01:00
|
|
|
static struct twl4030_platform_data ldp_twldata = {
|
|
|
|
/* platform_data for children goes here */
|
2009-05-28 23:04:00 +02:00
|
|
|
.vmmc1 = &ldp_vmmc1,
|
2011-02-24 13:56:42 +01:00
|
|
|
.vaux1 = &ldp_vaux1,
|
2011-05-09 09:11:51 +02:00
|
|
|
.vpll2 = &ldp_vpll2,
|
2008-12-11 02:37:17 +01:00
|
|
|
.gpio = &ldp_gpio_data,
|
2009-05-28 23:04:00 +02:00
|
|
|
.keypad = &ldp_kp_twl4030_data,
|
2008-12-11 02:37:17 +01:00
|
|
|
};
|
|
|
|
|
2008-10-10 10:28:23 +02:00
|
|
|
static int __init omap_i2c_init(void)
|
|
|
|
{
|
2011-06-07 09:28:54 +02:00
|
|
|
omap3_pmic_get_config(&ldp_twldata,
|
|
|
|
TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC, 0);
|
2011-04-25 00:09:06 +02:00
|
|
|
omap3_pmic_init("twl4030", &ldp_twldata);
|
2008-10-10 10:28:23 +02:00
|
|
|
omap_register_i2c_bus(2, 400, NULL, 0);
|
|
|
|
omap_register_i2c_bus(3, 400, NULL, 0);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2010-02-15 19:03:34 +01:00
|
|
|
static struct omap2_hsmmc_info mmc[] __initdata = {
|
2008-12-11 02:37:17 +01:00
|
|
|
{
|
|
|
|
.mmc = 1,
|
2010-09-15 16:49:23 +02:00
|
|
|
.caps = MMC_CAP_4_BIT_DATA,
|
2008-12-11 02:37:17 +01:00
|
|
|
.gpio_cd = -EINVAL,
|
|
|
|
.gpio_wp = -EINVAL,
|
|
|
|
},
|
|
|
|
{} /* Terminator */
|
|
|
|
};
|
|
|
|
|
2009-05-28 23:04:00 +02:00
|
|
|
static struct platform_device *ldp_devices[] __initdata = {
|
2009-05-28 23:04:00 +02:00
|
|
|
&ldp_gpio_keys_device,
|
2009-05-28 23:04:00 +02:00
|
|
|
};
|
|
|
|
|
2009-12-12 01:16:32 +01:00
|
|
|
#ifdef CONFIG_OMAP_MUX
|
|
|
|
static struct omap_board_mux board_mux[] __initdata = {
|
|
|
|
{ .reg_offset = OMAP_MUX_TERMINATOR },
|
|
|
|
};
|
|
|
|
#endif
|
|
|
|
|
2010-07-09 16:27:51 +02:00
|
|
|
static struct mtd_partition ldp_nand_partitions[] = {
|
|
|
|
/* All the partition sizes are listed in terms of NAND block size */
|
|
|
|
{
|
|
|
|
.name = "X-Loader-NAND",
|
|
|
|
.offset = 0,
|
|
|
|
.size = 4 * (64 * 2048), /* 512KB, 0x80000 */
|
|
|
|
.mask_flags = MTD_WRITEABLE, /* force read-only */
|
|
|
|
},
|
|
|
|
{
|
|
|
|
.name = "U-Boot-NAND",
|
|
|
|
.offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
|
|
|
|
.size = 10 * (64 * 2048), /* 1.25MB, 0x140000 */
|
|
|
|
.mask_flags = MTD_WRITEABLE, /* force read-only */
|
|
|
|
},
|
|
|
|
{
|
|
|
|
.name = "Boot Env-NAND",
|
|
|
|
.offset = MTDPART_OFS_APPEND, /* Offset = 0x1c0000 */
|
|
|
|
.size = 2 * (64 * 2048), /* 256KB, 0x40000 */
|
|
|
|
},
|
|
|
|
{
|
|
|
|
.name = "Kernel-NAND",
|
|
|
|
.offset = MTDPART_OFS_APPEND, /* Offset = 0x0200000*/
|
|
|
|
.size = 240 * (64 * 2048), /* 30M, 0x1E00000 */
|
|
|
|
},
|
|
|
|
{
|
|
|
|
.name = "File System - NAND",
|
|
|
|
.offset = MTDPART_OFS_APPEND, /* Offset = 0x2000000 */
|
|
|
|
.size = MTDPART_SIZ_FULL, /* 96MB, 0x6000000 */
|
|
|
|
},
|
|
|
|
|
|
|
|
};
|
|
|
|
|
2012-03-23 10:21:37 +01:00
|
|
|
static struct regulator_consumer_supply dummy_supplies[] = {
|
|
|
|
REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
|
|
|
|
REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
|
|
|
|
};
|
|
|
|
|
2008-10-10 10:28:23 +02:00
|
|
|
static void __init omap_ldp_init(void)
|
|
|
|
{
|
2012-03-23 10:21:37 +01:00
|
|
|
regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
|
2009-12-12 01:16:32 +01:00
|
|
|
omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
|
2010-12-08 01:26:55 +01:00
|
|
|
ldp_init_smsc911x();
|
2008-10-10 10:28:23 +02:00
|
|
|
omap_i2c_init();
|
2008-12-11 02:36:53 +01:00
|
|
|
platform_add_devices(ldp_devices, ARRAY_SIZE(ldp_devices));
|
2011-04-25 00:09:05 +02:00
|
|
|
omap_ads7846_init(1, 54, 310, NULL);
|
2008-10-10 10:28:23 +02:00
|
|
|
omap_serial_init();
|
2011-08-23 08:57:23 +02:00
|
|
|
omap_sdrc_init(NULL, NULL);
|
2011-04-27 10:56:12 +02:00
|
|
|
usb_musb_init(NULL);
|
2010-07-09 16:27:51 +02:00
|
|
|
board_nand_init(ldp_nand_partitions,
|
2011-01-28 11:12:03 +01:00
|
|
|
ARRAY_SIZE(ldp_nand_partitions), ZOOM_NAND_CS, 0);
|
2009-05-28 23:04:00 +02:00
|
|
|
|
2012-02-20 18:43:29 +01:00
|
|
|
omap_hsmmc_init(mmc);
|
2011-05-09 09:11:51 +02:00
|
|
|
ldp_display_init();
|
2008-10-10 10:28:23 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
MACHINE_START(OMAP_LDP, "OMAP LDP board")
|
2011-07-06 04:38:15 +02:00
|
|
|
.atag_offset = 0x100,
|
2010-05-23 11:18:16 +02:00
|
|
|
.reserve = omap_reserve,
|
2011-02-15 00:40:20 +01:00
|
|
|
.map_io = omap3_map_io,
|
2011-08-23 08:57:24 +02:00
|
|
|
.init_early = omap3430_init_early,
|
2011-05-17 12:51:26 +02:00
|
|
|
.init_irq = omap3_init_irq,
|
2011-09-06 11:23:45 +02:00
|
|
|
.handle_irq = omap3_intc_handle_irq,
|
2008-10-10 10:28:23 +02:00
|
|
|
.init_machine = omap_ldp_init,
|
2012-04-26 10:06:50 +02:00
|
|
|
.init_late = omap3430_init_late,
|
2011-03-30 00:54:48 +02:00
|
|
|
.timer = &omap3_timer,
|
2011-11-05 18:06:28 +01:00
|
|
|
.restart = omap_prcm_restart,
|
2008-10-10 10:28:23 +02:00
|
|
|
MACHINE_END
|