+++ /dev/null
-/*
- * linux/arch/arm/mach-omap2/board-omap3beagle.c
- *
- * Copyright (C) 2008 Texas Instruments
- *
- * Modified from mach-omap2/board-3430sdp.c
- *
- * Initial code: Syed Mohammed Khasim
- *
- * 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/kernel.h>
-#include <linux/init.h>
-#include <linux/platform_device.h>
-#include <linux/delay.h>
-#include <linux/err.h>
-#include <linux/clk.h>
-#include <linux/io.h>
-#include <linux/leds.h>
-#include <linux/pwm.h>
-#include <linux/leds_pwm.h>
-#include <linux/gpio.h>
-#include <linux/input.h>
-#include <linux/gpio_keys.h>
-#include <linux/pm_opp.h>
-#include <linux/cpu.h>
-
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/partitions.h>
-#include <linux/mtd/nand.h>
-#include <linux/mmc/host.h>
-#include <linux/usb/phy.h>
-
-#include <linux/regulator/machine.h>
-#include <linux/i2c/twl.h>
-
-#include <asm/mach-types.h>
-#include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-#include <asm/mach/flash.h>
-
-#include <video/omapdss.h>
-#include <video/omap-panel-data.h>
-#include <linux/platform_data/mtd-nand-omap2.h>
-
-#include "common.h"
-#include "omap_device.h"
-#include "gpmc.h"
-#include "soc.h"
-#include "mux.h"
-#include "hsmmc.h"
-#include "pm.h"
-#include "board-flash.h"
-#include "common-board-devices.h"
-
-#define NAND_CS 0
-
-static struct pwm_lookup pwm_lookup[] = {
- /* LEDB -> PMU_STAT */
- PWM_LOOKUP("twl-pwmled", 1, "leds_pwm", "beagleboard::pmu_stat",
- 7812500, PWM_POLARITY_NORMAL),
-};
-
-static struct led_pwm pwm_leds[] = {
- {
- .name = "beagleboard::pmu_stat",
- .max_brightness = 127,
- .pwm_period_ns = 7812500,
- },
-};
-
-static struct led_pwm_platform_data pwm_data = {
- .num_leds = ARRAY_SIZE(pwm_leds),
- .leds = pwm_leds,
-};
-
-static struct platform_device leds_pwm = {
- .name = "leds_pwm",
- .id = -1,
- .dev = {
- .platform_data = &pwm_data,
- },
-};
-
-/*
- * OMAP3 Beagle revision
- * Run time detection of Beagle revision is done by reading GPIO.
- * GPIO ID -
- * AXBX = GPIO173, GPIO172, GPIO171: 1 1 1
- * C1_3 = GPIO173, GPIO172, GPIO171: 1 1 0
- * C4 = GPIO173, GPIO172, GPIO171: 1 0 1
- * XMA/XMB = GPIO173, GPIO172, GPIO171: 0 0 0
- * XMC = GPIO173, GPIO172, GPIO171: 0 1 0
- */
-enum {
- OMAP3BEAGLE_BOARD_UNKN = 0,
- OMAP3BEAGLE_BOARD_AXBX,
- OMAP3BEAGLE_BOARD_C1_3,
- OMAP3BEAGLE_BOARD_C4,
- OMAP3BEAGLE_BOARD_XM,
- OMAP3BEAGLE_BOARD_XMC,
-};
-
-static u8 omap3_beagle_version;
-
-/*
- * Board-specific configuration
- * Defaults to BeagleBoard-xMC
- */
-static struct {
- int mmc1_gpio_wp;
- bool usb_pwr_level; /* 0 - Active Low, 1 - Active High */
- int dvi_pd_gpio;
- int usr_button_gpio;
- int mmc_caps;
-} beagle_config = {
- .mmc1_gpio_wp = -EINVAL,
- .usb_pwr_level = 0,
- .dvi_pd_gpio = -EINVAL,
- .usr_button_gpio = 4,
- .mmc_caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
-};
-
-static struct gpio omap3_beagle_rev_gpios[] __initdata = {
- { 171, GPIOF_IN, "rev_id_0" },
- { 172, GPIOF_IN, "rev_id_1" },
- { 173, GPIOF_IN, "rev_id_2" },
-};
-
-static void __init omap3_beagle_init_rev(void)
-{
- int ret;
- u16 beagle_rev = 0;
-
- omap_mux_init_gpio(171, OMAP_PIN_INPUT_PULLUP);
- omap_mux_init_gpio(172, OMAP_PIN_INPUT_PULLUP);
- omap_mux_init_gpio(173, OMAP_PIN_INPUT_PULLUP);
-
- ret = gpio_request_array(omap3_beagle_rev_gpios,
- ARRAY_SIZE(omap3_beagle_rev_gpios));
- if (ret < 0) {
- printk(KERN_ERR "Unable to get revision detection GPIO pins\n");
- omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
- return;
- }
-
- beagle_rev = gpio_get_value(171) | (gpio_get_value(172) << 1)
- | (gpio_get_value(173) << 2);
-
- gpio_free_array(omap3_beagle_rev_gpios,
- ARRAY_SIZE(omap3_beagle_rev_gpios));
-
- switch (beagle_rev) {
- case 7:
- printk(KERN_INFO "OMAP3 Beagle Rev: Ax/Bx\n");
- omap3_beagle_version = OMAP3BEAGLE_BOARD_AXBX;
- beagle_config.mmc1_gpio_wp = 29;
- beagle_config.dvi_pd_gpio = 170;
- beagle_config.usr_button_gpio = 7;
- break;
- case 6:
- printk(KERN_INFO "OMAP3 Beagle Rev: C1/C2/C3\n");
- omap3_beagle_version = OMAP3BEAGLE_BOARD_C1_3;
- beagle_config.mmc1_gpio_wp = 23;
- beagle_config.dvi_pd_gpio = 170;
- beagle_config.usr_button_gpio = 7;
- break;
- case 5:
- printk(KERN_INFO "OMAP3 Beagle Rev: C4\n");
- omap3_beagle_version = OMAP3BEAGLE_BOARD_C4;
- beagle_config.mmc1_gpio_wp = 23;
- beagle_config.dvi_pd_gpio = 170;
- beagle_config.usr_button_gpio = 7;
- break;
- case 0:
- printk(KERN_INFO "OMAP3 Beagle Rev: xM Ax/Bx\n");
- omap3_beagle_version = OMAP3BEAGLE_BOARD_XM;
- beagle_config.usb_pwr_level = 1;
- beagle_config.mmc_caps &= ~MMC_CAP_8_BIT_DATA;
- break;
- case 2:
- printk(KERN_INFO "OMAP3 Beagle Rev: xM C\n");
- omap3_beagle_version = OMAP3BEAGLE_BOARD_XMC;
- beagle_config.mmc_caps &= ~MMC_CAP_8_BIT_DATA;
- break;
- default:
- printk(KERN_INFO "OMAP3 Beagle Rev: unknown %hd\n", beagle_rev);
- omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
- }
-}
-
-static struct mtd_partition omap3beagle_nand_partitions[] = {
- /* All the partition sizes are listed in terms of NAND block size */
- {
- .name = "X-Loader",
- .offset = 0,
- .size = 4 * NAND_BLOCK_SIZE,
- .mask_flags = MTD_WRITEABLE, /* force read-only */
- },
- {
- .name = "U-Boot",
- .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
- .size = 15 * NAND_BLOCK_SIZE,
- .mask_flags = MTD_WRITEABLE, /* force read-only */
- },
- {
- .name = "U-Boot Env",
- .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */
- .size = 1 * NAND_BLOCK_SIZE,
- },
- {
- .name = "Kernel",
- .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
- .size = 32 * NAND_BLOCK_SIZE,
- },
- {
- .name = "File System",
- .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
- .size = MTDPART_SIZ_FULL,
- },
-};
-
-/* DSS */
-
-static struct connector_dvi_platform_data beagle_dvi_connector_pdata = {
- .name = "dvi",
- .source = "tfp410.0",
- .i2c_bus_num = 3,
-};
-
-static struct platform_device beagle_dvi_connector_device = {
- .name = "connector-dvi",
- .id = 0,
- .dev.platform_data = &beagle_dvi_connector_pdata,
-};
-
-static struct encoder_tfp410_platform_data beagle_tfp410_pdata = {
- .name = "tfp410.0",
- .source = "dpi.0",
- .data_lines = 24,
- .power_down_gpio = -1,
-};
-
-static struct platform_device beagle_tfp410_device = {
- .name = "tfp410",
- .id = 0,
- .dev.platform_data = &beagle_tfp410_pdata,
-};
-
-static struct connector_atv_platform_data beagle_tv_pdata = {
- .name = "tv",
- .source = "venc.0",
- .connector_type = OMAP_DSS_VENC_TYPE_SVIDEO,
- .invert_polarity = false,
-};
-
-static struct platform_device beagle_tv_connector_device = {
- .name = "connector-analog-tv",
- .id = 0,
- .dev.platform_data = &beagle_tv_pdata,
-};
-
-static struct omap_dss_board_info beagle_dss_data = {
- .default_display_name = "dvi",
-};
-
-#include "sdram-micron-mt46h32m32lf-6.h"
-
-static struct omap2_hsmmc_info mmc[] = {
- {
- .mmc = 1,
- .caps = MMC_CAP_4_BIT_DATA,
- .gpio_wp = -EINVAL,
- .deferred = true,
- },
- {} /* Terminator */
-};
-
-static struct regulator_consumer_supply beagle_vmmc1_supply[] = {
- REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
-};
-
-static struct regulator_consumer_supply beagle_vsim_supply[] = {
- REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
-};
-
-static struct gpio_led gpio_leds[];
-
-static struct usbhs_phy_data phy_data[] = {
- {
- .port = 2,
- .reset_gpio = 147,
- .vcc_gpio = -1, /* updated in beagle_twl_gpio_setup */
- .vcc_polarity = 1, /* updated in beagle_twl_gpio_setup */
- },
-};
-
-static int beagle_twl_gpio_setup(struct device *dev,
- unsigned gpio, unsigned ngpio)
-{
- int r;
-
- mmc[0].gpio_wp = beagle_config.mmc1_gpio_wp;
- /* gpio + 0 is "mmc0_cd" (input/IRQ) */
- mmc[0].gpio_cd = gpio + 0;
- omap_hsmmc_late_init(mmc);
-
- /*
- * TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, XM active
- * high / others active low)
- * DVI reset GPIO is different between beagle revisions
- */
- /* Valid for all -xM revisions */
- if (cpu_is_omap3630()) {
- /*
- * gpio + 1 on Xm controls the TFP410's enable line (active low)
- * gpio + 2 control varies depending on the board rev as below:
- * P7/P8 revisions(prototype): Camera EN
- * A2+ revisions (production): LDO (DVI, serial, led blocks)
- */
- r = gpio_request_one(gpio + 1, GPIOF_OUT_INIT_LOW,
- "nDVI_PWR_EN");
- if (r)
- pr_err("%s: unable to configure nDVI_PWR_EN\n",
- __func__);
-
- beagle_config.dvi_pd_gpio = gpio + 2;
-
- } else {
- /*
- * REVISIT: need ehci-omap hooks for external VBUS
- * power switch and overcurrent detect
- */
- if (gpio_request_one(gpio + 1, GPIOF_IN, "EHCI_nOC"))
- pr_err("%s: unable to configure EHCI_nOC\n", __func__);
- }
- beagle_tfp410_pdata.power_down_gpio = beagle_config.dvi_pd_gpio;
-
- platform_device_register(&beagle_tfp410_device);
- platform_device_register(&beagle_dvi_connector_device);
- platform_device_register(&beagle_tv_connector_device);
-
- /* TWL4030_GPIO_MAX i.e. LED_GPO controls HS USB Port 2 power */
- phy_data[0].vcc_gpio = gpio + TWL4030_GPIO_MAX;
- phy_data[0].vcc_polarity = beagle_config.usb_pwr_level;
-
- usbhs_init_phys(phy_data, ARRAY_SIZE(phy_data));
- return 0;
-}
-
-static struct twl4030_gpio_platform_data beagle_gpio_data = {
- .use_leds = true,
- .pullups = BIT(1),
- .pulldowns = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
- | BIT(15) | BIT(16) | BIT(17),
- .setup = beagle_twl_gpio_setup,
-};
-
-/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
-static struct regulator_init_data beagle_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(beagle_vmmc1_supply),
- .consumer_supplies = beagle_vmmc1_supply,
-};
-
-/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
-static struct regulator_init_data beagle_vsim = {
- .constraints = {
- .min_uV = 1800000,
- .max_uV = 3000000,
- .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(beagle_vsim_supply),
- .consumer_supplies = beagle_vsim_supply,
-};
-
-static struct twl4030_platform_data beagle_twldata = {
- /* platform_data for children goes here */
- .gpio = &beagle_gpio_data,
- .vmmc1 = &beagle_vmmc1,
- .vsim = &beagle_vsim,
-};
-
-static struct i2c_board_info __initdata beagle_i2c_eeprom[] = {
- {
- I2C_BOARD_INFO("eeprom", 0x50),
- },
-};
-
-static int __init omap3_beagle_i2c_init(void)
-{
- omap3_pmic_get_config(&beagle_twldata,
- TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC |
- TWL_COMMON_PDATA_AUDIO,
- TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
-
- beagle_twldata.vpll2->constraints.name = "VDVI";
-
- omap3_pmic_init("twl4030", &beagle_twldata);
- /* Bus 3 is attached to the DVI port where devices like the pico DLP
- * projector don't work reliably with 400kHz */
- omap_register_i2c_bus(3, 100, beagle_i2c_eeprom, ARRAY_SIZE(beagle_i2c_eeprom));
- return 0;
-}
-
-static struct gpio_led gpio_leds[] = {
- {
- .name = "beagleboard::usr0",
- .default_trigger = "heartbeat",
- .gpio = 150,
- },
- {
- .name = "beagleboard::usr1",
- .default_trigger = "mmc0",
- .gpio = 149,
- },
-};
-
-static struct gpio_led_platform_data gpio_led_info = {
- .leds = gpio_leds,
- .num_leds = ARRAY_SIZE(gpio_leds),
-};
-
-static struct platform_device leds_gpio = {
- .name = "leds-gpio",
- .id = -1,
- .dev = {
- .platform_data = &gpio_led_info,
- },
-};
-
-static struct gpio_keys_button gpio_buttons[] = {
- {
- .code = BTN_EXTRA,
- /* Dynamically assigned depending on board */
- .gpio = -EINVAL,
- .desc = "user",
- .wakeup = 1,
- },
-};
-
-static struct gpio_keys_platform_data gpio_key_info = {
- .buttons = gpio_buttons,
- .nbuttons = ARRAY_SIZE(gpio_buttons),
-};
-
-static struct platform_device keys_gpio = {
- .name = "gpio-keys",
- .id = -1,
- .dev = {
- .platform_data = &gpio_key_info,
- },
-};
-
-static struct platform_device madc_hwmon = {
- .name = "twl4030_madc_hwmon",
- .id = -1,
-};
-
-static struct platform_device *omap3_beagle_devices[] __initdata = {
- &leds_gpio,
- &keys_gpio,
- &madc_hwmon,
- &leds_pwm,
-};
-
-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 int __init beagle_opp_init(void)
-{
- int r = 0;
-
- if (!machine_is_omap3_beagle())
- return 0;
-
- /* Initialize the omap3 opp table if not already created. */
- r = omap3_opp_init();
- if (r < 0 && (r != -EEXIST)) {
- pr_err("%s: opp default init failed\n", __func__);
- return r;
- }
-
- /* Custom OPP enabled for all xM versions */
- if (cpu_is_omap3630()) {
- struct device *mpu_dev, *iva_dev;
-
- mpu_dev = get_cpu_device(0);
- iva_dev = omap_device_get_by_hwmod_name("iva");
-
- if (!mpu_dev || IS_ERR(iva_dev)) {
- pr_err("%s: Aiee.. no mpu/dsp devices? %p %p\n",
- __func__, mpu_dev, iva_dev);
- return -ENODEV;
- }
- /* Enable MPU 1GHz and lower opps */
- r = dev_pm_opp_enable(mpu_dev, 800000000);
- /* TODO: MPU 1GHz needs SR and ABB */
-
- /* Enable IVA 800MHz and lower opps */
- r |= dev_pm_opp_enable(iva_dev, 660000000);
- /* TODO: DSP 800MHz needs SR and ABB */
- if (r) {
- pr_err("%s: failed to enable higher opp %d\n",
- __func__, r);
- /*
- * Cleanup - disable the higher freqs - we dont care
- * about the results
- */
- dev_pm_opp_disable(mpu_dev, 800000000);
- dev_pm_opp_disable(iva_dev, 660000000);
- }
- }
- return 0;
-}
-omap_device_initcall(beagle_opp_init);
-
-static void __init omap3_beagle_init(void)
-{
- omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
- omap3_beagle_init_rev();
-
- if (gpio_is_valid(beagle_config.mmc1_gpio_wp))
- omap_mux_init_gpio(beagle_config.mmc1_gpio_wp, OMAP_PIN_INPUT);
- mmc[0].caps = beagle_config.mmc_caps;
- omap_hsmmc_init(mmc);
-
- omap3_beagle_i2c_init();
-
- gpio_buttons[0].gpio = beagle_config.usr_button_gpio;
-
- platform_add_devices(omap3_beagle_devices,
- ARRAY_SIZE(omap3_beagle_devices));
- if (gpio_is_valid(beagle_config.dvi_pd_gpio))
- omap_mux_init_gpio(beagle_config.dvi_pd_gpio, OMAP_PIN_OUTPUT);
- omap_display_init(&beagle_dss_data);
-
- omap_serial_init();
- omap_sdrc_init(mt46h32m32lf6_sdrc_params,
- mt46h32m32lf6_sdrc_params);
-
- usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
- usb_musb_init(NULL);
-
- usbhs_init(&usbhs_bdata);
-
- board_nand_init(omap3beagle_nand_partitions,
- ARRAY_SIZE(omap3beagle_nand_partitions), NAND_CS,
- NAND_BUSWIDTH_16, NULL);
- omap_twl4030_audio_init("omap3beagle", NULL);
-
- /* Ensure msecure is mux'd to be able to set the RTC. */
- omap_mux_init_signal("sys_drm_msecure", OMAP_PIN_OFF_OUTPUT_HIGH);
-
- /* 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);
-
- pwm_add_table(pwm_lookup, ARRAY_SIZE(pwm_lookup));
-}
-
-MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
- /* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */
- .atag_offset = 0x100,
- .reserve = omap_reserve,
- .map_io = omap3_map_io,
- .init_early = omap3_init_early,
- .init_irq = omap3_init_irq,
- .init_machine = omap3_beagle_init,
- .init_late = omap3_init_late,
- .init_time = omap3_secure_sync32k_timer_init,
- .restart = omap3xxx_restart,
-MACHINE_END
projects / mirror_ubuntu-jammy-kernel.git / commitdiff