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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/arm/mach-omap2/board-overo.c
Initial import
Diffstat (limited to 'arch/arm/mach-omap2/board-overo.c')
-rw-r--r--arch/arm/mach-omap2/board-overo.c571
1 files changed, 571 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c
new file mode 100644
index 000000000..2dae6ccd3
--- /dev/null
+++ b/arch/arm/mach-omap2/board-overo.c
@@ -0,0 +1,571 @@
+/*
+ * board-overo.c (Gumstix Overo)
+ *
+ * Initial code: Steve Sakoman <steve@sakoman.com>
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/i2c/twl.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/fixed.h>
+#include <linux/spi/spi.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mmc/host.h>
+#include <linux/usb/phy.h>
+
+#include <linux/platform_data/mtd-nand-omap2.h>
+#include <linux/platform_data/spi-omap2-mcspi.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+#include <asm/mach/map.h>
+
+#include <video/omapdss.h>
+#include <video/omap-panel-data.h>
+
+#include "common.h"
+#include "mux.h"
+#include "sdram-micron-mt46h32m32lf-6.h"
+#include "gpmc.h"
+#include "hsmmc.h"
+#include "board-flash.h"
+#include "common-board-devices.h"
+
+#define NAND_CS 0
+
+#define OVERO_GPIO_BT_XGATE 15
+#define OVERO_GPIO_W2W_NRESET 16
+#define OVERO_GPIO_PENDOWN 114
+#define OVERO_GPIO_BT_NRESET 164
+#define OVERO_GPIO_USBH_CPEN 168
+#define OVERO_GPIO_USBH_NRESET 183
+
+#define OVERO_SMSC911X_CS 5
+#define OVERO_SMSC911X_GPIO 176
+#define OVERO_SMSC911X_NRESET 64
+#define OVERO_SMSC911X2_CS 4
+#define OVERO_SMSC911X2_GPIO 65
+
+/* whether to register LCD35 instead of LCD43 */
+static bool overo_use_lcd35;
+
+#if defined(CONFIG_TOUCHSCREEN_ADS7846) || \
+ defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
+
+/* fixed regulator for ads7846 */
+static struct regulator_consumer_supply ads7846_supply[] = {
+ REGULATOR_SUPPLY("vcc", "spi1.0"),
+};
+
+static struct regulator_init_data vads7846_regulator = {
+ .constraints = {
+ .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+ },
+ .num_consumer_supplies = ARRAY_SIZE(ads7846_supply),
+ .consumer_supplies = ads7846_supply,
+};
+
+static struct fixed_voltage_config vads7846 = {
+ .supply_name = "vads7846",
+ .microvolts = 3300000, /* 3.3V */
+ .gpio = -EINVAL,
+ .startup_delay = 0,
+ .init_data = &vads7846_regulator,
+};
+
+static struct platform_device vads7846_device = {
+ .name = "reg-fixed-voltage",
+ .id = 1,
+ .dev = {
+ .platform_data = &vads7846,
+ },
+};
+
+static void __init overo_ads7846_init(void)
+{
+ omap_ads7846_init(1, OVERO_GPIO_PENDOWN, 0, NULL);
+ platform_device_register(&vads7846_device);
+}
+
+#else
+static inline void __init overo_ads7846_init(void) { return; }
+#endif
+
+#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
+
+#include <linux/smsc911x.h>
+#include "gpmc-smsc911x.h"
+
+static struct omap_smsc911x_platform_data smsc911x_cfg = {
+ .id = 0,
+ .cs = OVERO_SMSC911X_CS,
+ .gpio_irq = OVERO_SMSC911X_GPIO,
+ .gpio_reset = OVERO_SMSC911X_NRESET,
+ .flags = SMSC911X_USE_32BIT,
+};
+
+static struct omap_smsc911x_platform_data smsc911x2_cfg = {
+ .id = 1,
+ .cs = OVERO_SMSC911X2_CS,
+ .gpio_irq = OVERO_SMSC911X2_GPIO,
+ .gpio_reset = -EINVAL,
+ .flags = SMSC911X_USE_32BIT,
+};
+
+static void __init overo_init_smsc911x(void)
+{
+ gpmc_smsc911x_init(&smsc911x_cfg);
+ gpmc_smsc911x_init(&smsc911x2_cfg);
+}
+
+#else
+static inline void __init overo_init_smsc911x(void) { return; }
+#endif
+
+/* DSS */
+#define OVERO_GPIO_LCD_EN 144
+#define OVERO_GPIO_LCD_BL 145
+
+static struct connector_atv_platform_data overo_tv_pdata = {
+ .name = "tv",
+ .source = "venc.0",
+ .connector_type = OMAP_DSS_VENC_TYPE_SVIDEO,
+ .invert_polarity = false,
+};
+
+static struct platform_device overo_tv_connector_device = {
+ .name = "connector-analog-tv",
+ .id = 0,
+ .dev.platform_data = &overo_tv_pdata,
+};
+
+static const struct display_timing overo_lcd43_videomode = {
+ .pixelclock = { 0, 9200000, 0 },
+
+ .hactive = { 0, 480, 0 },
+ .hfront_porch = { 0, 8, 0 },
+ .hback_porch = { 0, 4, 0 },
+ .hsync_len = { 0, 41, 0 },
+
+ .vactive = { 0, 272, 0 },
+ .vfront_porch = { 0, 4, 0 },
+ .vback_porch = { 0, 2, 0 },
+ .vsync_len = { 0, 10, 0 },
+
+ .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW |
+ DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_PIXDATA_POSEDGE,
+};
+
+static struct panel_dpi_platform_data overo_lcd43_pdata = {
+ .name = "lcd43",
+ .source = "dpi.0",
+
+ .data_lines = 24,
+
+ .display_timing = &overo_lcd43_videomode,
+
+ .enable_gpio = OVERO_GPIO_LCD_EN,
+ .backlight_gpio = OVERO_GPIO_LCD_BL,
+};
+
+static struct platform_device overo_lcd43_device = {
+ .name = "panel-dpi",
+ .id = 0,
+ .dev.platform_data = &overo_lcd43_pdata,
+};
+
+static struct connector_dvi_platform_data overo_dvi_connector_pdata = {
+ .name = "dvi",
+ .source = "tfp410.0",
+ .i2c_bus_num = 3,
+};
+
+static struct platform_device overo_dvi_connector_device = {
+ .name = "connector-dvi",
+ .id = 0,
+ .dev.platform_data = &overo_dvi_connector_pdata,
+};
+
+static struct encoder_tfp410_platform_data overo_tfp410_pdata = {
+ .name = "tfp410.0",
+ .source = "dpi.0",
+ .data_lines = 24,
+ .power_down_gpio = -1,
+};
+
+static struct platform_device overo_tfp410_device = {
+ .name = "tfp410",
+ .id = 0,
+ .dev.platform_data = &overo_tfp410_pdata,
+};
+
+static struct omap_dss_board_info overo_dss_data = {
+ .default_display_name = "lcd43",
+};
+
+static void __init overo_display_init(void)
+{
+ omap_display_init(&overo_dss_data);
+
+ if (!overo_use_lcd35)
+ platform_device_register(&overo_lcd43_device);
+ platform_device_register(&overo_tfp410_device);
+ platform_device_register(&overo_dvi_connector_device);
+ platform_device_register(&overo_tv_connector_device);
+}
+
+static struct mtd_partition overo_nand_partitions[] = {
+ {
+ .name = "xloader",
+ .offset = 0, /* Offset = 0x00000 */
+ .size = 4 * NAND_BLOCK_SIZE,
+ .mask_flags = MTD_WRITEABLE
+ },
+ {
+ .name = "uboot",
+ .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
+ .size = 14 * NAND_BLOCK_SIZE,
+ },
+ {
+ .name = "uboot environment",
+ .offset = MTDPART_OFS_APPEND, /* Offset = 0x240000 */
+ .size = 2 * NAND_BLOCK_SIZE,
+ },
+ {
+ .name = "linux",
+ .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
+ .size = 32 * NAND_BLOCK_SIZE,
+ },
+ {
+ .name = "rootfs",
+ .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
+ .size = MTDPART_SIZ_FULL,
+ },
+};
+
+static struct omap2_hsmmc_info mmc[] = {
+ {
+ .mmc = 1,
+ .caps = MMC_CAP_4_BIT_DATA,
+ .gpio_cd = -EINVAL,
+ .gpio_wp = -EINVAL,
+ },
+ {
+ .mmc = 2,
+ .caps = MMC_CAP_4_BIT_DATA,
+ .gpio_cd = -EINVAL,
+ .gpio_wp = -EINVAL,
+ .transceiver = true,
+ .ocr_mask = 0x00100000, /* 3.3V */
+ },
+ {} /* Terminator */
+};
+
+static struct regulator_consumer_supply overo_vmmc1_supply[] = {
+ REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
+};
+
+#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
+#include <linux/leds.h>
+
+static struct gpio_led gpio_leds[] = {
+ {
+ .name = "overo:red:gpio21",
+ .default_trigger = "heartbeat",
+ .gpio = 21,
+ .active_low = true,
+ },
+ {
+ .name = "overo:blue:gpio22",
+ .default_trigger = "none",
+ .gpio = 22,
+ .active_low = true,
+ },
+ {
+ .name = "overo:blue:COM",
+ .default_trigger = "mmc0",
+ .gpio = -EINVAL, /* gets replaced */
+ .active_low = true,
+ },
+};
+
+static struct gpio_led_platform_data gpio_leds_pdata = {
+ .leds = gpio_leds,
+ .num_leds = ARRAY_SIZE(gpio_leds),
+};
+
+static struct platform_device gpio_leds_device = {
+ .name = "leds-gpio",
+ .id = -1,
+ .dev = {
+ .platform_data = &gpio_leds_pdata,
+ },
+};
+
+static void __init overo_init_led(void)
+{
+ platform_device_register(&gpio_leds_device);
+}
+
+#else
+static inline void __init overo_init_led(void) { return; }
+#endif
+
+#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
+#include <linux/input.h>
+#include <linux/gpio_keys.h>
+
+static struct gpio_keys_button gpio_buttons[] = {
+ {
+ .code = BTN_0,
+ .gpio = 23,
+ .desc = "button0",
+ .wakeup = 1,
+ },
+ {
+ .code = BTN_1,
+ .gpio = 14,
+ .desc = "button1",
+ .wakeup = 1,
+ },
+};
+
+static struct gpio_keys_platform_data gpio_keys_pdata = {
+ .buttons = gpio_buttons,
+ .nbuttons = ARRAY_SIZE(gpio_buttons),
+};
+
+static struct platform_device gpio_keys_device = {
+ .name = "gpio-keys",
+ .id = -1,
+ .dev = {
+ .platform_data = &gpio_keys_pdata,
+ },
+};
+
+static void __init overo_init_keys(void)
+{
+ platform_device_register(&gpio_keys_device);
+}
+
+#else
+static inline void __init overo_init_keys(void) { return; }
+#endif
+
+static int overo_twl_gpio_setup(struct device *dev,
+ unsigned gpio, unsigned ngpio)
+{
+#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
+ /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
+ gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
+#endif
+
+ return 0;
+}
+
+static struct twl4030_gpio_platform_data overo_gpio_data = {
+ .use_leds = true,
+ .setup = overo_twl_gpio_setup,
+};
+
+static struct regulator_init_data overo_vmmc1 = {
+ .constraints = {
+ .min_uV = 1850000,
+ .max_uV = 3150000,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL
+ | REGULATOR_MODE_STANDBY,
+ .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
+ | REGULATOR_CHANGE_MODE
+ | REGULATOR_CHANGE_STATUS,
+ },
+ .num_consumer_supplies = ARRAY_SIZE(overo_vmmc1_supply),
+ .consumer_supplies = overo_vmmc1_supply,
+};
+
+static struct twl4030_platform_data overo_twldata = {
+ .gpio = &overo_gpio_data,
+ .vmmc1 = &overo_vmmc1,
+};
+
+static int __init overo_i2c_init(void)
+{
+ omap3_pmic_get_config(&overo_twldata,
+ TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_AUDIO,
+ TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
+
+ overo_twldata.vpll2->constraints.name = "VDVI";
+
+ omap3_pmic_init("tps65950", &overo_twldata);
+ /* i2c2 pins are used for gpio */
+ omap_register_i2c_bus(3, 400, NULL, 0);
+ return 0;
+}
+
+static struct panel_lb035q02_platform_data overo_lcd35_pdata = {
+ .name = "lcd35",
+ .source = "dpi.0",
+
+ .data_lines = 24,
+
+ .enable_gpio = OVERO_GPIO_LCD_EN,
+ .backlight_gpio = OVERO_GPIO_LCD_BL,
+};
+
+/*
+ * NOTE: We need to add either the lgphilips panel, or the lcd43 panel. The
+ * selection is done based on the overo_use_lcd35 field. If new SPI
+ * devices are added here, extra work is needed to make only the lgphilips panel
+ * affected by the overo_use_lcd35 field.
+ */
+static struct spi_board_info overo_spi_board_info[] __initdata = {
+ {
+ .modalias = "panel_lgphilips_lb035q02",
+ .bus_num = 1,
+ .chip_select = 1,
+ .max_speed_hz = 500000,
+ .mode = SPI_MODE_3,
+ .platform_data = &overo_lcd35_pdata,
+ },
+};
+
+static int __init overo_spi_init(void)
+{
+ overo_ads7846_init();
+
+ if (overo_use_lcd35) {
+ spi_register_board_info(overo_spi_board_info,
+ ARRAY_SIZE(overo_spi_board_info));
+ }
+ return 0;
+}
+
+static struct usbhs_phy_data phy_data[] __initdata = {
+ {
+ .port = 2,
+ .reset_gpio = OVERO_GPIO_USBH_NRESET,
+ .vcc_gpio = -EINVAL,
+ },
+};
+
+static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
+ .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
+};
+
+#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 struct regulator_consumer_supply dummy_supplies[] = {
+ REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
+ REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
+ REGULATOR_SUPPLY("vddvario", "smsc911x.1"),
+ REGULATOR_SUPPLY("vdd33a", "smsc911x.1"),
+};
+
+static void __init overo_init(void)
+{
+ int ret;
+
+ if (strstr(boot_command_line, "omapdss.def_disp=lcd35"))
+ overo_use_lcd35 = true;
+
+ regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
+ omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
+ overo_i2c_init();
+ omap_hsmmc_init(mmc);
+ omap_serial_init();
+ omap_sdrc_init(mt46h32m32lf6_sdrc_params,
+ mt46h32m32lf6_sdrc_params);
+ board_nand_init(overo_nand_partitions,
+ ARRAY_SIZE(overo_nand_partitions), NAND_CS, 0, NULL);
+ usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
+ usb_musb_init(NULL);
+
+ usbhs_init_phys(phy_data, ARRAY_SIZE(phy_data));
+ usbhs_init(&usbhs_bdata);
+ overo_spi_init();
+ overo_init_smsc911x();
+ overo_init_led();
+ overo_init_keys();
+ omap_twl4030_audio_init("overo", NULL);
+
+ overo_display_init();
+
+ /* 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 {
+ pr_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
+ pr_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,
+ .init_late = omap35xx_init_late,
+ .init_time = omap3_sync32k_timer_init,
+ .restart = omap3xxx_restart,
+MACHINE_END