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linux-stable/arch/arm/mach-omap2/board-h4.c
Tomi Valkeinen 6970c01e46 ARM: OMAP: H4: use new display drivers 
Use new display drivers for H4 board.

The new OMAP display drivers were merged for 3.11, and we can now change
the board files to use the new ones and phase out the old ones.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2013-08-28 10:23:21 +03:00

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8.6 KiB
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/*
* linux/arch/arm/mach-omap2/board-h4.c
*
* Copyright (C) 2005 Nokia Corporation
* Author: Paul Mundt <paul.mundt@nokia.com>
*
* Modified from mach-omap/omap1/board-generic.c
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/gpio.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/delay.h>
#include <linux/workqueue.h>
#include <linux/i2c.h>
#include <linux/i2c/at24.h>
#include <linux/input.h>
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/input/matrix_keypad.h>
#include <linux/mfd/menelaus.h>
#include <linux/omap-dma.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <video/omapdss.h>
#include <video/omap-panel-data.h>
#include "common.h"
#include "mux.h"
#include "control.h"
#include "gpmc.h"
#include "gpmc-smc91x.h"
#define H4_FLASH_CS 0
#if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE)
static const uint32_t board_matrix_keys[] = {
KEY(0, 0, KEY_LEFT),
KEY(1, 0, KEY_RIGHT),
KEY(2, 0, KEY_A),
KEY(3, 0, KEY_B),
KEY(4, 0, KEY_C),
KEY(0, 1, KEY_DOWN),
KEY(1, 1, KEY_UP),
KEY(2, 1, KEY_E),
KEY(3, 1, KEY_F),
KEY(4, 1, KEY_G),
KEY(0, 2, KEY_ENTER),
KEY(1, 2, KEY_I),
KEY(2, 2, KEY_J),
KEY(3, 2, KEY_K),
KEY(4, 2, KEY_3),
KEY(0, 3, KEY_M),
KEY(1, 3, KEY_N),
KEY(2, 3, KEY_O),
KEY(3, 3, KEY_P),
KEY(4, 3, KEY_Q),
KEY(0, 4, KEY_R),
KEY(1, 4, KEY_4),
KEY(2, 4, KEY_T),
KEY(3, 4, KEY_U),
KEY(4, 4, KEY_ENTER),
KEY(0, 5, KEY_V),
KEY(1, 5, KEY_W),
KEY(2, 5, KEY_L),
KEY(3, 5, KEY_S),
KEY(4, 5, KEY_ENTER),
};
static const struct matrix_keymap_data board_keymap_data = {
.keymap = board_matrix_keys,
.keymap_size = ARRAY_SIZE(board_matrix_keys),
};
static unsigned int board_keypad_row_gpios[] = {
88, 89, 124, 11, 6, 96
};
static unsigned int board_keypad_col_gpios[] = {
90, 91, 100, 36, 12, 97, 98
};
static struct matrix_keypad_platform_data board_keypad_platform_data = {
.keymap_data = &board_keymap_data,
.row_gpios = board_keypad_row_gpios,
.num_row_gpios = ARRAY_SIZE(board_keypad_row_gpios),
.col_gpios = board_keypad_col_gpios,
.num_col_gpios = ARRAY_SIZE(board_keypad_col_gpios),
.active_low = 1,
.debounce_ms = 20,
.col_scan_delay_us = 5,
};
static struct platform_device board_keyboard = {
.name = "matrix-keypad",
.id = -1,
.dev = {
.platform_data = &board_keypad_platform_data,
},
};
static void __init board_mkp_init(void)
{
omap_mux_init_gpio(88, OMAP_PULL_ENA | OMAP_PULL_UP);
omap_mux_init_gpio(89, OMAP_PULL_ENA | OMAP_PULL_UP);
omap_mux_init_gpio(124, OMAP_PULL_ENA | OMAP_PULL_UP);
omap_mux_init_signal("mcbsp2_dr.gpio_11", OMAP_PULL_ENA | OMAP_PULL_UP);
if (omap_has_menelaus()) {
omap_mux_init_signal("sdrc_a14.gpio0",
OMAP_PULL_ENA | OMAP_PULL_UP);
omap_mux_init_signal("vlynq_rx0.gpio_15", 0);
omap_mux_init_signal("gpio_98", 0);
board_keypad_row_gpios[5] = 0;
board_keypad_col_gpios[2] = 15;
board_keypad_col_gpios[6] = 18;
} else {
omap_mux_init_signal("gpio_96", OMAP_PULL_ENA | OMAP_PULL_UP);
omap_mux_init_signal("gpio_100", 0);
omap_mux_init_signal("gpio_98", 0);
}
omap_mux_init_signal("gpio_90", 0);
omap_mux_init_signal("gpio_91", 0);
omap_mux_init_signal("gpio_36", 0);
omap_mux_init_signal("mcbsp2_clkx.gpio_12", 0);
omap_mux_init_signal("gpio_97", 0);
platform_device_register(&board_keyboard);
}
#else
static inline void board_mkp_init(void)
{
}
#endif
static struct mtd_partition h4_partitions[] = {
/* bootloader (U-Boot, etc) in first sector */
{
.name = "bootloader",
.offset = 0,
.size = SZ_128K,
.mask_flags = MTD_WRITEABLE, /* force read-only */
},
/* bootloader params in the next sector */
{
.name = "params",
.offset = MTDPART_OFS_APPEND,
.size = SZ_128K,
.mask_flags = 0,
},
/* kernel */
{
.name = "kernel",
.offset = MTDPART_OFS_APPEND,
.size = SZ_2M,
.mask_flags = 0
},
/* file system */
{
.name = "filesystem",
.offset = MTDPART_OFS_APPEND,
.size = MTDPART_SIZ_FULL,
.mask_flags = 0
}
};
static struct physmap_flash_data h4_flash_data = {
.width = 2,
.parts = h4_partitions,
.nr_parts = ARRAY_SIZE(h4_partitions),
};
static struct resource h4_flash_resource = {
.flags = IORESOURCE_MEM,
};
static struct platform_device h4_flash_device = {
.name = "physmap-flash",
.id = 0,
.dev = {
.platform_data = &h4_flash_data,
},
.num_resources = 1,
.resource = &h4_flash_resource,
};
static const struct display_timing cm_t35_lcd_videomode = {
.pixelclock = { 0, 6250000, 0 },
.hactive = { 0, 240, 0 },
.hfront_porch = { 0, 15, 0 },
.hback_porch = { 0, 60, 0 },
.hsync_len = { 0, 15, 0 },
.vactive = { 0, 320, 0 },
.vfront_porch = { 0, 1, 0 },
.vback_porch = { 0, 1, 0 },
.vsync_len = { 0, 1, 0 },
.flags = DISPLAY_FLAGS_HSYNC_HIGH | DISPLAY_FLAGS_VSYNC_HIGH |
DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_PIXDATA_POSEDGE,
};
static struct panel_dpi_platform_data cm_t35_lcd_pdata = {
.name = "lcd",
.source = "dpi.0",
.data_lines = 16,
.display_timing = &cm_t35_lcd_videomode,
.enable_gpio = -1,
.backlight_gpio = -1,
};
static struct platform_device cm_t35_lcd_device = {
.name = "panel-dpi",
.id = 0,
.dev.platform_data = &cm_t35_lcd_pdata,
};
static struct platform_device *h4_devices[] __initdata = {
&h4_flash_device,
&cm_t35_lcd_device,
};
static struct omap_dss_board_info h4_dss_data = {
.default_display_name = "lcd",
};
/* 2420 Sysboot setup (2430 is different) */
static u32 get_sysboot_value(void)
{
return (omap_ctrl_readl(OMAP24XX_CONTROL_STATUS) &
(OMAP2_SYSBOOT_5_MASK | OMAP2_SYSBOOT_4_MASK |
OMAP2_SYSBOOT_3_MASK | OMAP2_SYSBOOT_2_MASK |
OMAP2_SYSBOOT_1_MASK | OMAP2_SYSBOOT_0_MASK));
}
/* H4-2420's always used muxed mode, H4-2422's always use non-muxed
*
* Note: OMAP-GIT doesn't correctly do is_cpu_omap2422 and is_cpu_omap2423
* correctly. The macro needs to look at production_id not just hawkeye.
*/
static u32 is_gpmc_muxed(void)
{
u32 mux;
mux = get_sysboot_value();
if ((mux & 0xF) == 0xd)
return 1; /* NAND config (could be either) */
if (mux & 0x2) /* if mux'ed */
return 1;
else
return 0;
}
#if IS_ENABLED(CONFIG_SMC91X)
static struct omap_smc91x_platform_data board_smc91x_data = {
.cs = 1,
.gpio_irq = 92,
.flags = GPMC_TIMINGS_SMC91C96 | IORESOURCE_IRQ_LOWLEVEL,
};
static void __init board_smc91x_init(void)
{
if (is_gpmc_muxed())
board_smc91x_data.flags |= GPMC_MUX_ADD_DATA;
omap_mux_init_gpio(board_smc91x_data.gpio_irq, OMAP_PIN_INPUT);
gpmc_smc91x_init(&board_smc91x_data);
}
#else
static inline void board_smc91x_init(void)
{
}
#endif
static void __init h4_init_flash(void)
{
unsigned long base;
if (gpmc_cs_request(H4_FLASH_CS, SZ_64M, &base) < 0) {
printk("Can't request GPMC CS for flash\n");
return;
}
h4_flash_resource.start = base;
h4_flash_resource.end = base + SZ_64M - 1;
}
static struct at24_platform_data m24c01 = {
.byte_len = SZ_1K / 8,
.page_size = 16,
};
static struct i2c_board_info __initdata h4_i2c_board_info[] = {
{
I2C_BOARD_INFO("isp1301_omap", 0x2d),
},
{ /* EEPROM on mainboard */
I2C_BOARD_INFO("24c01", 0x52),
.platform_data = &m24c01,
},
{ /* EEPROM on cpu card */
I2C_BOARD_INFO("24c01", 0x57),
.platform_data = &m24c01,
},
};
#ifdef CONFIG_OMAP_MUX
static struct omap_board_mux board_mux[] __initdata = {
{ .reg_offset = OMAP_MUX_TERMINATOR },
};
#endif
static void __init omap_h4_init(void)
{
omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAF);
/*
* Make sure the serial ports are muxed on at this point.
* You have to mux them off in device drivers later on
* if not needed.
*/
board_mkp_init();
h4_i2c_board_info[0].irq = gpio_to_irq(125);
i2c_register_board_info(1, h4_i2c_board_info,
ARRAY_SIZE(h4_i2c_board_info));
platform_add_devices(h4_devices, ARRAY_SIZE(h4_devices));
omap_serial_init();
omap_sdrc_init(NULL, NULL);
h4_init_flash();
board_smc91x_init();
omap_display_init(&h4_dss_data);
}
MACHINE_START(OMAP_H4, "OMAP2420 H4 board")
/* Maintainer: Paul Mundt <paul.mundt@nokia.com> */
.atag_offset = 0x100,
.reserve = omap_reserve,
.map_io = omap242x_map_io,
.init_early = omap2420_init_early,
.init_irq = omap2_init_irq,
.handle_irq = omap2_intc_handle_irq,
.init_machine = omap_h4_init,
.init_late = omap2420_init_late,
.init_time = omap2_sync32k_timer_init,
.restart = omap2xxx_restart,
MACHINE_END
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