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df80442d1e
Theis resolves lots of simple conflicts between the omap cleanup and the mach/memory.h removal series. Conflicts: arch/arm/mach-imx/mach-cpuimx27.c arch/arm/mach-omap1/board-ams-delta.c arch/arm/mach-omap1/board-generic.c arch/arm/mach-omap1/board-h2.c arch/arm/mach-omap1/board-h3.c arch/arm/mach-omap1/board-nokia770.c arch/arm/mach-omap1/board-osk.c arch/arm/mach-omap1/board-palmte.c arch/arm/mach-omap1/board-palmtt.c arch/arm/mach-omap1/board-palmz71.c arch/arm/mach-omap1/board-sx1.c arch/arm/mach-omap1/board-voiceblue.c arch/arm/mach-omap1/io.c arch/arm/mach-omap2/board-generic.c arch/arm/mach-omap2/io.c arch/arm/plat-omap/io.c Signed-off-by: Arnd Bergmann <arnd@arndb.de>
568 lines
14 KiB
C
568 lines
14 KiB
C
/*
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* board-overo.c (Gumstix Overo)
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*
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* Initial code: Steve Sakoman <steve@sakoman.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*
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*/
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#include <linux/clk.h>
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#include <linux/delay.h>
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#include <linux/err.h>
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#include <linux/init.h>
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#include <linux/io.h>
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#include <linux/gpio.h>
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#include <linux/kernel.h>
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#include <linux/platform_device.h>
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#include <linux/i2c/twl.h>
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#include <linux/regulator/machine.h>
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#include <linux/regulator/fixed.h>
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#include <linux/spi/spi.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/nand.h>
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#include <linux/mtd/partitions.h>
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#include <linux/mmc/host.h>
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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/flash.h>
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#include <asm/mach/map.h>
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#include <plat/board.h>
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#include <plat/common.h>
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#include <video/omapdss.h>
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#include <video/omap-panel-generic-dpi.h>
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#include <video/omap-panel-dvi.h>
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#include <plat/gpmc.h>
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#include <mach/hardware.h>
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#include <plat/nand.h>
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#include <plat/mcspi.h>
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#include <plat/mux.h>
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#include <plat/usb.h>
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#include "mux.h"
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#include "sdram-micron-mt46h32m32lf-6.h"
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#include "hsmmc.h"
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#include "common-board-devices.h"
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#define OVERO_GPIO_BT_XGATE 15
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#define OVERO_GPIO_W2W_NRESET 16
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#define OVERO_GPIO_PENDOWN 114
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#define OVERO_GPIO_BT_NRESET 164
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#define OVERO_GPIO_USBH_CPEN 168
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#define OVERO_GPIO_USBH_NRESET 183
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#define OVERO_SMSC911X_CS 5
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#define OVERO_SMSC911X_GPIO 176
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#define OVERO_SMSC911X2_CS 4
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#define OVERO_SMSC911X2_GPIO 65
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#if defined(CONFIG_TOUCHSCREEN_ADS7846) || \
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defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
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/* fixed regulator for ads7846 */
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static struct regulator_consumer_supply ads7846_supply[] = {
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REGULATOR_SUPPLY("vcc", "spi1.0"),
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};
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static struct regulator_init_data vads7846_regulator = {
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.constraints = {
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.valid_ops_mask = REGULATOR_CHANGE_STATUS,
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},
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.num_consumer_supplies = ARRAY_SIZE(ads7846_supply),
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.consumer_supplies = ads7846_supply,
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};
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static struct fixed_voltage_config vads7846 = {
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.supply_name = "vads7846",
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.microvolts = 3300000, /* 3.3V */
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.gpio = -EINVAL,
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.startup_delay = 0,
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.init_data = &vads7846_regulator,
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};
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static struct platform_device vads7846_device = {
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.name = "reg-fixed-voltage",
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.id = 1,
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.dev = {
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.platform_data = &vads7846,
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},
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};
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static void __init overo_ads7846_init(void)
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{
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omap_ads7846_init(1, OVERO_GPIO_PENDOWN, 0, NULL);
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platform_device_register(&vads7846_device);
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}
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#else
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static inline void __init overo_ads7846_init(void) { return; }
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#endif
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#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
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#include <linux/smsc911x.h>
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#include <plat/gpmc-smsc911x.h>
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static struct omap_smsc911x_platform_data smsc911x_cfg = {
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.id = 0,
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.cs = OVERO_SMSC911X_CS,
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.gpio_irq = OVERO_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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static struct omap_smsc911x_platform_data smsc911x2_cfg = {
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.id = 1,
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.cs = OVERO_SMSC911X2_CS,
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.gpio_irq = OVERO_SMSC911X2_GPIO,
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.gpio_reset = -EINVAL,
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.flags = SMSC911X_USE_32BIT,
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};
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static void __init overo_init_smsc911x(void)
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{
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gpmc_smsc911x_init(&smsc911x_cfg);
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gpmc_smsc911x_init(&smsc911x2_cfg);
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}
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#else
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static inline void __init overo_init_smsc911x(void) { return; }
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#endif
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/* DSS */
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static int lcd_enabled;
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static int dvi_enabled;
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#define OVERO_GPIO_LCD_EN 144
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#define OVERO_GPIO_LCD_BL 145
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static struct gpio overo_dss_gpios[] __initdata = {
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{ OVERO_GPIO_LCD_EN, GPIOF_OUT_INIT_HIGH, "OVERO_GPIO_LCD_EN" },
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{ OVERO_GPIO_LCD_BL, GPIOF_OUT_INIT_HIGH, "OVERO_GPIO_LCD_BL" },
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};
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static void __init overo_display_init(void)
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{
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if (gpio_request_array(overo_dss_gpios, ARRAY_SIZE(overo_dss_gpios))) {
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printk(KERN_ERR "could not obtain DSS control GPIOs\n");
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return;
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}
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gpio_export(OVERO_GPIO_LCD_EN, 0);
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gpio_export(OVERO_GPIO_LCD_BL, 0);
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}
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static int overo_panel_enable_dvi(struct omap_dss_device *dssdev)
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{
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if (lcd_enabled) {
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printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
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return -EINVAL;
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}
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dvi_enabled = 1;
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return 0;
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}
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static void overo_panel_disable_dvi(struct omap_dss_device *dssdev)
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{
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dvi_enabled = 0;
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}
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static struct panel_dvi_platform_data dvi_panel = {
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.platform_enable = overo_panel_enable_dvi,
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.platform_disable = overo_panel_disable_dvi,
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.i2c_bus_num = 3,
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};
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static struct omap_dss_device overo_dvi_device = {
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.name = "dvi",
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.type = OMAP_DISPLAY_TYPE_DPI,
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.driver_name = "dvi",
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.data = &dvi_panel,
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.phy.dpi.data_lines = 24,
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};
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static struct omap_dss_device overo_tv_device = {
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.name = "tv",
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.driver_name = "venc",
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.type = OMAP_DISPLAY_TYPE_VENC,
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.phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
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};
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static int overo_panel_enable_lcd(struct omap_dss_device *dssdev)
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{
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if (dvi_enabled) {
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printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
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return -EINVAL;
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}
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gpio_set_value(OVERO_GPIO_LCD_EN, 1);
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gpio_set_value(OVERO_GPIO_LCD_BL, 1);
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lcd_enabled = 1;
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return 0;
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}
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static void overo_panel_disable_lcd(struct omap_dss_device *dssdev)
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{
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gpio_set_value(OVERO_GPIO_LCD_EN, 0);
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gpio_set_value(OVERO_GPIO_LCD_BL, 0);
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lcd_enabled = 0;
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}
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static struct panel_generic_dpi_data lcd43_panel = {
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.name = "samsung_lte430wq_f0c",
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.platform_enable = overo_panel_enable_lcd,
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.platform_disable = overo_panel_disable_lcd,
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};
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static struct omap_dss_device overo_lcd43_device = {
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.name = "lcd43",
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.type = OMAP_DISPLAY_TYPE_DPI,
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.driver_name = "generic_dpi_panel",
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.data = &lcd43_panel,
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.phy.dpi.data_lines = 24,
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};
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#if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \
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defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE)
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static struct omap_dss_device overo_lcd35_device = {
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.type = OMAP_DISPLAY_TYPE_DPI,
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.name = "lcd35",
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.driver_name = "lgphilips_lb035q02_panel",
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.phy.dpi.data_lines = 24,
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.platform_enable = overo_panel_enable_lcd,
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.platform_disable = overo_panel_disable_lcd,
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};
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#endif
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static struct omap_dss_device *overo_dss_devices[] = {
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&overo_dvi_device,
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&overo_tv_device,
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#if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \
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defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE)
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&overo_lcd35_device,
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#endif
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&overo_lcd43_device,
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};
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static struct omap_dss_board_info overo_dss_data = {
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.num_devices = ARRAY_SIZE(overo_dss_devices),
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.devices = overo_dss_devices,
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.default_device = &overo_dvi_device,
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};
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static struct mtd_partition overo_nand_partitions[] = {
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{
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.name = "xloader",
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.offset = 0, /* Offset = 0x00000 */
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.size = 4 * NAND_BLOCK_SIZE,
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.mask_flags = MTD_WRITEABLE
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},
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{
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.name = "uboot",
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.offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
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.size = 14 * NAND_BLOCK_SIZE,
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},
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{
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.name = "uboot environment",
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.offset = MTDPART_OFS_APPEND, /* Offset = 0x240000 */
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.size = 2 * NAND_BLOCK_SIZE,
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},
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{
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.name = "linux",
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.offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
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.size = 32 * NAND_BLOCK_SIZE,
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},
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{
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.name = "rootfs",
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.offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
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.size = MTDPART_SIZ_FULL,
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},
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};
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static struct omap2_hsmmc_info mmc[] = {
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{
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.mmc = 1,
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.caps = MMC_CAP_4_BIT_DATA,
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.gpio_cd = -EINVAL,
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.gpio_wp = -EINVAL,
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},
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{
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.mmc = 2,
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.caps = MMC_CAP_4_BIT_DATA,
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.gpio_cd = -EINVAL,
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.gpio_wp = -EINVAL,
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.transceiver = true,
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.ocr_mask = 0x00100000, /* 3.3V */
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},
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{} /* Terminator */
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};
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static struct regulator_consumer_supply overo_vmmc1_supply[] = {
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REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
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};
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#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
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#include <linux/leds.h>
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static struct gpio_led gpio_leds[] = {
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{
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.name = "overo:red:gpio21",
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.default_trigger = "heartbeat",
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.gpio = 21,
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.active_low = true,
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},
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{
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.name = "overo:blue:gpio22",
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.default_trigger = "none",
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.gpio = 22,
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.active_low = true,
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},
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{
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.name = "overo:blue:COM",
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.default_trigger = "mmc0",
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.gpio = -EINVAL, /* gets replaced */
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.active_low = true,
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},
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};
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static struct gpio_led_platform_data gpio_leds_pdata = {
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.leds = gpio_leds,
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.num_leds = ARRAY_SIZE(gpio_leds),
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};
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static struct platform_device gpio_leds_device = {
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.name = "leds-gpio",
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.id = -1,
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.dev = {
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.platform_data = &gpio_leds_pdata,
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},
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};
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static void __init overo_init_led(void)
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{
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platform_device_register(&gpio_leds_device);
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}
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#else
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static inline void __init overo_init_led(void) { return; }
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#endif
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#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
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#include <linux/input.h>
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#include <linux/gpio_keys.h>
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static struct gpio_keys_button gpio_buttons[] = {
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{
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.code = BTN_0,
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.gpio = 23,
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.desc = "button0",
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.wakeup = 1,
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},
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{
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.code = BTN_1,
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.gpio = 14,
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.desc = "button1",
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.wakeup = 1,
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},
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};
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static struct gpio_keys_platform_data gpio_keys_pdata = {
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.buttons = gpio_buttons,
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.nbuttons = ARRAY_SIZE(gpio_buttons),
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};
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static struct platform_device 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 = &gpio_keys_pdata,
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},
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};
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static void __init overo_init_keys(void)
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{
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platform_device_register(&gpio_keys_device);
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}
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#else
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static inline void __init overo_init_keys(void) { return; }
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#endif
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static int overo_twl_gpio_setup(struct device *dev,
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unsigned gpio, unsigned ngpio)
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{
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omap2_hsmmc_init(mmc);
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#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
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/* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
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gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
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#endif
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return 0;
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}
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static struct twl4030_gpio_platform_data overo_gpio_data = {
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.gpio_base = OMAP_MAX_GPIO_LINES,
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.irq_base = TWL4030_GPIO_IRQ_BASE,
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.irq_end = TWL4030_GPIO_IRQ_END,
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.use_leds = true,
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.setup = overo_twl_gpio_setup,
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};
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static struct regulator_init_data overo_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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.num_consumer_supplies = ARRAY_SIZE(overo_vmmc1_supply),
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.consumer_supplies = overo_vmmc1_supply,
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};
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static struct twl4030_platform_data overo_twldata = {
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.gpio = &overo_gpio_data,
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.vmmc1 = &overo_vmmc1,
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};
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static int __init overo_i2c_init(void)
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{
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omap3_pmic_get_config(&overo_twldata,
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TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_AUDIO,
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TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
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overo_twldata.vpll2->constraints.name = "VDVI";
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omap3_pmic_init("tps65950", &overo_twldata);
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/* i2c2 pins are used for gpio */
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omap_register_i2c_bus(3, 400, NULL, 0);
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return 0;
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}
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static struct spi_board_info overo_spi_board_info[] __initdata = {
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#if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \
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defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE)
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{
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.modalias = "lgphilips_lb035q02_panel-spi",
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.bus_num = 1,
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.chip_select = 1,
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.max_speed_hz = 500000,
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.mode = SPI_MODE_3,
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},
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#endif
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};
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static int __init overo_spi_init(void)
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{
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overo_ads7846_init();
|
|
spi_register_board_info(overo_spi_board_info,
|
|
ARRAY_SIZE(overo_spi_board_info));
|
|
return 0;
|
|
}
|
|
|
|
static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
|
|
.port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
|
|
.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
|
|
.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
|
|
.phy_reset = true,
|
|
.reset_gpio_port[0] = -EINVAL,
|
|
.reset_gpio_port[1] = OVERO_GPIO_USBH_NRESET,
|
|
.reset_gpio_port[2] = -EINVAL
|
|
};
|
|
|
|
#ifdef CONFIG_OMAP_MUX
|
|
static struct omap_board_mux board_mux[] __initdata = {
|
|
{ .reg_offset = OMAP_MUX_TERMINATOR },
|
|
};
|
|
#endif
|
|
|
|
static struct gpio overo_bt_gpios[] __initdata = {
|
|
{ OVERO_GPIO_BT_XGATE, GPIOF_OUT_INIT_LOW, "lcd enable" },
|
|
{ OVERO_GPIO_BT_NRESET, GPIOF_OUT_INIT_HIGH, "lcd bl enable" },
|
|
};
|
|
|
|
static void __init overo_init(void)
|
|
{
|
|
int ret;
|
|
|
|
omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
|
|
overo_i2c_init();
|
|
omap_display_init(&overo_dss_data);
|
|
omap_serial_init();
|
|
omap_sdrc_init(mt46h32m32lf6_sdrc_params,
|
|
mt46h32m32lf6_sdrc_params);
|
|
omap_nand_flash_init(0, overo_nand_partitions,
|
|
ARRAY_SIZE(overo_nand_partitions));
|
|
usb_musb_init(NULL);
|
|
usbhs_init(&usbhs_bdata);
|
|
overo_spi_init();
|
|
overo_init_smsc911x();
|
|
overo_display_init();
|
|
overo_init_led();
|
|
overo_init_keys();
|
|
|
|
/* Ensure SDRC pins are mux'd for self-refresh */
|
|
omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
|
|
omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
|
|
|
|
ret = gpio_request_one(OVERO_GPIO_W2W_NRESET, GPIOF_OUT_INIT_HIGH,
|
|
"OVERO_GPIO_W2W_NRESET");
|
|
if (ret == 0) {
|
|
gpio_export(OVERO_GPIO_W2W_NRESET, 0);
|
|
gpio_set_value(OVERO_GPIO_W2W_NRESET, 0);
|
|
udelay(10);
|
|
gpio_set_value(OVERO_GPIO_W2W_NRESET, 1);
|
|
} else {
|
|
printk(KERN_ERR "could not obtain gpio for "
|
|
"OVERO_GPIO_W2W_NRESET\n");
|
|
}
|
|
|
|
ret = gpio_request_array(overo_bt_gpios, ARRAY_SIZE(overo_bt_gpios));
|
|
if (ret) {
|
|
pr_err("%s: could not obtain BT gpios\n", __func__);
|
|
} else {
|
|
gpio_export(OVERO_GPIO_BT_XGATE, 0);
|
|
gpio_export(OVERO_GPIO_BT_NRESET, 0);
|
|
gpio_set_value(OVERO_GPIO_BT_NRESET, 0);
|
|
mdelay(6);
|
|
gpio_set_value(OVERO_GPIO_BT_NRESET, 1);
|
|
}
|
|
|
|
ret = gpio_request_one(OVERO_GPIO_USBH_CPEN, GPIOF_OUT_INIT_HIGH,
|
|
"OVERO_GPIO_USBH_CPEN");
|
|
if (ret == 0)
|
|
gpio_export(OVERO_GPIO_USBH_CPEN, 0);
|
|
else
|
|
printk(KERN_ERR "could not obtain gpio for "
|
|
"OVERO_GPIO_USBH_CPEN\n");
|
|
}
|
|
|
|
MACHINE_START(OVERO, "Gumstix Overo")
|
|
.atag_offset = 0x100,
|
|
.reserve = omap_reserve,
|
|
.map_io = omap3_map_io,
|
|
.init_early = omap35xx_init_early,
|
|
.init_irq = omap3_init_irq,
|
|
.init_machine = overo_init,
|
|
.timer = &omap3_timer,
|
|
MACHINE_END
|