diff options
Diffstat (limited to 'arch/arm/mach-imx/mach-mx51_efikamx.c')
| -rw-r--r-- | arch/arm/mach-imx/mach-mx51_efikamx.c | 300 |
1 files changed, 0 insertions, 300 deletions
diff --git a/arch/arm/mach-imx/mach-mx51_efikamx.c b/arch/arm/mach-imx/mach-mx51_efikamx.c deleted file mode 100644 index 8d09c0126ca..00000000000 --- a/arch/arm/mach-imx/mach-mx51_efikamx.c +++ /dev/null @@ -1,300 +0,0 @@ -/* - * Copyright (C) 2010 Linaro Limited - * - * based on code from the following - * Copyright 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved. - * Copyright 2009-2010 Pegatron Corporation. All Rights Reserved. - * Copyright 2009-2010 Genesi USA, Inc. All Rights Reserved. - * - * The code contained herein is licensed under the GNU General Public - * License. You may obtain a copy of the GNU General Public License - * Version 2 or later at the following locations: - * - * http://www.opensource.org/licenses/gpl-license.html - * http://www.gnu.org/copyleft/gpl.html - */ - -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/i2c.h> -#include <linux/gpio.h> -#include <linux/leds.h> -#include <linux/input.h> -#include <linux/delay.h> -#include <linux/io.h> -#include <linux/spi/flash.h> -#include <linux/spi/spi.h> -#include <linux/mfd/mc13892.h> -#include <linux/regulator/machine.h> -#include <linux/regulator/consumer.h> - -#include <mach/common.h> -#include <mach/hardware.h> -#include <mach/iomux-mx51.h> - -#include <asm/setup.h> -#include <asm/system_info.h> -#include <asm/mach-types.h> -#include <asm/mach/arch.h> -#include <asm/mach/time.h> - -#include "devices-imx51.h" -#include "efika.h" - -#define EFIKAMX_PCBID0 IMX_GPIO_NR(3, 16) -#define EFIKAMX_PCBID1 IMX_GPIO_NR(3, 17) -#define EFIKAMX_PCBID2 IMX_GPIO_NR(3, 11) - -#define EFIKAMX_BLUE_LED IMX_GPIO_NR(3, 13) -#define EFIKAMX_GREEN_LED IMX_GPIO_NR(3, 14) -#define EFIKAMX_RED_LED IMX_GPIO_NR(3, 15) - -#define EFIKAMX_POWER_KEY IMX_GPIO_NR(2, 31) - -/* board 1.1 doesn't have same reset gpio */ -#define EFIKAMX_RESET1_1 IMX_GPIO_NR(3, 2) -#define EFIKAMX_RESET IMX_GPIO_NR(1, 4) - -#define EFIKAMX_POWEROFF IMX_GPIO_NR(4, 13) - -#define EFIKAMX_PMIC IMX_GPIO_NR(1, 6) - -/* the pci ids pin have pull up. they're driven low according to board id */ -#define MX51_PAD_PCBID0 IOMUX_PAD(0x518, 0x130, 3, 0x0, 0, PAD_CTL_PUS_100K_UP) -#define MX51_PAD_PCBID1 IOMUX_PAD(0x51C, 0x134, 3, 0x0, 0, PAD_CTL_PUS_100K_UP) -#define MX51_PAD_PCBID2 IOMUX_PAD(0x504, 0x128, 3, 0x0, 0, PAD_CTL_PUS_100K_UP) -#define MX51_PAD_PWRKEY IOMUX_PAD(0x48c, 0x0f8, 1, 0x0, 0, PAD_CTL_PUS_100K_UP | PAD_CTL_PKE) - -static iomux_v3_cfg_t mx51efikamx_pads[] = { - /* board id */ - MX51_PAD_PCBID0, - MX51_PAD_PCBID1, - MX51_PAD_PCBID2, - - /* leds */ - MX51_PAD_CSI1_D9__GPIO3_13, - MX51_PAD_CSI1_VSYNC__GPIO3_14, - MX51_PAD_CSI1_HSYNC__GPIO3_15, - - /* power key */ - MX51_PAD_PWRKEY, - - /* reset */ - MX51_PAD_DI1_PIN13__GPIO3_2, - MX51_PAD_GPIO1_4__GPIO1_4, - - /* power off */ - MX51_PAD_CSI2_VSYNC__GPIO4_13, -}; - -/* PCBID2 PCBID1 PCBID0 STATE - 1 1 1 ER1:rev1.1 - 1 1 0 ER2:rev1.2 - 1 0 1 ER3:rev1.3 - 1 0 0 ER4:rev1.4 -*/ -static void __init mx51_efikamx_board_id(void) -{ - int id; - - /* things are taking time to settle */ - msleep(150); - - gpio_request(EFIKAMX_PCBID0, "pcbid0"); - gpio_direction_input(EFIKAMX_PCBID0); - gpio_request(EFIKAMX_PCBID1, "pcbid1"); - gpio_direction_input(EFIKAMX_PCBID1); - gpio_request(EFIKAMX_PCBID2, "pcbid2"); - gpio_direction_input(EFIKAMX_PCBID2); - - id = gpio_get_value(EFIKAMX_PCBID0) ? 1 : 0; - id |= (gpio_get_value(EFIKAMX_PCBID1) ? 1 : 0) << 1; - id |= (gpio_get_value(EFIKAMX_PCBID2) ? 1 : 0) << 2; - - switch (id) { - case 7: - system_rev = 0x11; - break; - case 6: - system_rev = 0x12; - break; - case 5: - system_rev = 0x13; - break; - case 4: - system_rev = 0x14; - break; - default: - system_rev = 0x10; - break; - } - - if ((system_rev == 0x10) - || (system_rev == 0x12) - || (system_rev == 0x14)) { - printk(KERN_WARNING - "EfikaMX: Unsupported board revision 1.%u!\n", - system_rev & 0xf); - } -} - -static struct gpio_led mx51_efikamx_leds[] __initdata = { - { - .name = "efikamx:green", - .default_trigger = "default-on", - .gpio = EFIKAMX_GREEN_LED, - }, - { - .name = "efikamx:red", - .default_trigger = "ide-disk", - .gpio = EFIKAMX_RED_LED, - }, - { - .name = "efikamx:blue", - .default_trigger = "mmc0", - .gpio = EFIKAMX_BLUE_LED, - }, -}; - -static const struct gpio_led_platform_data - mx51_efikamx_leds_data __initconst = { - .leds = mx51_efikamx_leds, - .num_leds = ARRAY_SIZE(mx51_efikamx_leds), -}; - -static struct esdhc_platform_data sd_pdata = { - .cd_type = ESDHC_CD_CONTROLLER, - .wp_type = ESDHC_WP_CONTROLLER, -}; - -static struct gpio_keys_button mx51_efikamx_powerkey[] = { - { - .code = KEY_POWER, - .gpio = EFIKAMX_POWER_KEY, - .type = EV_PWR, - .desc = "Power Button (CM)", - .wakeup = 1, - .debounce_interval = 10, /* ms */ - }, -}; - -static const struct gpio_keys_platform_data mx51_efikamx_powerkey_data __initconst = { - .buttons = mx51_efikamx_powerkey, - .nbuttons = ARRAY_SIZE(mx51_efikamx_powerkey), -}; - -static void mx51_efikamx_restart(char mode, const char *cmd) -{ - if (system_rev == 0x11) - gpio_direction_output(EFIKAMX_RESET1_1, 0); - else - gpio_direction_output(EFIKAMX_RESET, 0); -} - -static struct regulator *pwgt1, *pwgt2, *coincell; - -static void mx51_efikamx_power_off(void) -{ - if (!IS_ERR(coincell)) - regulator_disable(coincell); - - if (!IS_ERR(pwgt1) && !IS_ERR(pwgt2)) { - regulator_disable(pwgt2); - regulator_disable(pwgt1); - } - gpio_direction_output(EFIKAMX_POWEROFF, 1); -} - -static int __init mx51_efikamx_power_init(void) -{ - pwgt1 = regulator_get(NULL, "pwgt1"); - pwgt2 = regulator_get(NULL, "pwgt2"); - if (!IS_ERR(pwgt1) && !IS_ERR(pwgt2)) { - regulator_enable(pwgt1); - regulator_enable(pwgt2); - } - gpio_request(EFIKAMX_POWEROFF, "poweroff"); - pm_power_off = mx51_efikamx_power_off; - - /* enable coincell charger. maybe need a small power driver ? */ - coincell = regulator_get(NULL, "coincell"); - if (!IS_ERR(coincell)) { - regulator_set_voltage(coincell, 3000000, 3000000); - regulator_enable(coincell); - } - - regulator_has_full_constraints(); - - return 0; -} - -static void __init mx51_efikamx_init_late(void) -{ - imx51_init_late(); - mx51_efikamx_power_init(); -} - -static void __init mx51_efikamx_init(void) -{ - imx51_soc_init(); - - mxc_iomux_v3_setup_multiple_pads(mx51efikamx_pads, - ARRAY_SIZE(mx51efikamx_pads)); - efika_board_common_init(); - - mx51_efikamx_board_id(); - - /* on < 1.2 boards both SD controllers are used */ - if (system_rev < 0x12) { - imx51_add_sdhci_esdhc_imx(0, NULL); - imx51_add_sdhci_esdhc_imx(1, &sd_pdata); - mx51_efikamx_leds[2].default_trigger = "mmc1"; - } else - imx51_add_sdhci_esdhc_imx(0, &sd_pdata); - - gpio_led_register_device(-1, &mx51_efikamx_leds_data); - imx_add_gpio_keys(&mx51_efikamx_powerkey_data); - - if (system_rev == 0x11) { - gpio_request(EFIKAMX_RESET1_1, "reset"); - gpio_direction_output(EFIKAMX_RESET1_1, 1); - } else { - gpio_request(EFIKAMX_RESET, "reset"); - gpio_direction_output(EFIKAMX_RESET, 1); - } - - /* - * enable wifi by default only on mx - * sb and mx have same wlan pin but the value to enable it are - * different :/ - */ - gpio_request(EFIKA_WLAN_EN, "wlan_en"); - gpio_direction_output(EFIKA_WLAN_EN, 0); - msleep(10); - - gpio_request(EFIKA_WLAN_RESET, "wlan_rst"); - gpio_direction_output(EFIKA_WLAN_RESET, 0); - msleep(10); - gpio_set_value(EFIKA_WLAN_RESET, 1); -} - -static void __init mx51_efikamx_timer_init(void) -{ - mx51_clocks_init(32768, 24000000, 22579200, 24576000); -} - -static struct sys_timer mx51_efikamx_timer = { - .init = mx51_efikamx_timer_init, -}; - -MACHINE_START(MX51_EFIKAMX, "Genesi Efika MX (Smarttop)") - .atag_offset = 0x100, - .map_io = mx51_map_io, - .init_early = imx51_init_early, - .init_irq = mx51_init_irq, - .handle_irq = imx51_handle_irq, - .timer = &mx51_efikamx_timer, - .init_machine = mx51_efikamx_init, - .init_late = mx51_efikamx_init_late, - .restart = mx51_efikamx_restart, -MACHINE_END |