diff options
Diffstat (limited to 'arch/arm/mach-imx/mx31lite-db.c')
| -rw-r--r-- | arch/arm/mach-imx/mx31lite-db.c | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/arch/arm/mach-imx/mx31lite-db.c b/arch/arm/mach-imx/mx31lite-db.c deleted file mode 100644 index 13da7325c32b..000000000000 --- a/arch/arm/mach-imx/mx31lite-db.c +++ /dev/null @@ -1,154 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * LogicPD i.MX31 SOM-LV development board support - * - * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de> - * - * based on code for other MX31 boards, - * - * Copyright 2005-2007 Freescale Semiconductor - * Copyright (c) 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com> - * Copyright (C) 2009 Valentin Longchamp, EPFL Mobots group - */ - -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/init.h> -#include <linux/gpio.h> -#include <linux/leds.h> -#include <linux/platform_device.h> - -#include <asm/mach-types.h> -#include <asm/mach/arch.h> -#include <asm/mach/map.h> - -#include "board-mx31lite.h" -#include "common.h" -#include "devices-imx31.h" -#include "hardware.h" -#include "iomux-mx3.h" - -/* - * This file contains board-specific initialization routines for the - * LogicPD i.MX31 SOM-LV development board, aka 'LiteKit'. - * If you design an own baseboard for the module, use this file as base - * for support code. - */ - -static unsigned int litekit_db_board_pins[] __initdata = { - /* SDHC1 */ - MX31_PIN_SD1_DATA0__SD1_DATA0, - MX31_PIN_SD1_DATA1__SD1_DATA1, - MX31_PIN_SD1_DATA2__SD1_DATA2, - MX31_PIN_SD1_DATA3__SD1_DATA3, - MX31_PIN_SD1_CLK__SD1_CLK, - MX31_PIN_SD1_CMD__SD1_CMD, -}; - -/* MMC */ - -static int gpio_det, gpio_wp; - -#define MMC_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \ - PAD_CTL_ODE_CMOS) - -static int mxc_mmc1_get_ro(struct device *dev) -{ - return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_GPIO1_6)); -} - -static int mxc_mmc1_init(struct device *dev, - irq_handler_t detect_irq, void *data) -{ - int ret; - - gpio_det = IOMUX_TO_GPIO(MX31_PIN_DCD_DCE1); - gpio_wp = IOMUX_TO_GPIO(MX31_PIN_GPIO1_6); - - mxc_iomux_set_pad(MX31_PIN_SD1_DATA0, - MMC_PAD_CFG | PAD_CTL_PUE_PUD | PAD_CTL_100K_PU); - mxc_iomux_set_pad(MX31_PIN_SD1_DATA1, - MMC_PAD_CFG | PAD_CTL_PUE_PUD | PAD_CTL_100K_PU); - mxc_iomux_set_pad(MX31_PIN_SD1_DATA2, - MMC_PAD_CFG | PAD_CTL_PUE_PUD | PAD_CTL_100K_PU); - mxc_iomux_set_pad(MX31_PIN_SD1_DATA3, - MMC_PAD_CFG | PAD_CTL_PUE_PUD | PAD_CTL_100K_PU); - mxc_iomux_set_pad(MX31_PIN_SD1_CMD, - MMC_PAD_CFG | PAD_CTL_PUE_PUD | PAD_CTL_100K_PU); - mxc_iomux_set_pad(MX31_PIN_SD1_CLK, MMC_PAD_CFG); - - ret = gpio_request(gpio_det, "MMC detect"); - if (ret) - return ret; - - ret = gpio_request(gpio_wp, "MMC w/p"); - if (ret) - goto exit_free_det; - - gpio_direction_input(gpio_det); - gpio_direction_input(gpio_wp); - - ret = request_irq(gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_DCD_DCE1)), - detect_irq, - IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, - "MMC detect", data); - if (ret) - goto exit_free_wp; - - return 0; - -exit_free_wp: - gpio_free(gpio_wp); - -exit_free_det: - gpio_free(gpio_det); - - return ret; -} - -static void mxc_mmc1_exit(struct device *dev, void *data) -{ - gpio_free(gpio_det); - gpio_free(gpio_wp); - free_irq(gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_DCD_DCE1)), data); -} - -static const struct imxmmc_platform_data mmc_pdata __initconst = { - .get_ro = mxc_mmc1_get_ro, - .init = mxc_mmc1_init, - .exit = mxc_mmc1_exit, -}; - -/* GPIO LEDs */ - -static const struct gpio_led litekit_leds[] __initconst = { - { - .name = "GPIO0", - .gpio = IOMUX_TO_GPIO(MX31_PIN_COMPARE), - .active_low = 1, - .default_state = LEDS_GPIO_DEFSTATE_OFF, - }, - { - .name = "GPIO1", - .gpio = IOMUX_TO_GPIO(MX31_PIN_CAPTURE), - .active_low = 1, - .default_state = LEDS_GPIO_DEFSTATE_OFF, - } -}; - -static const struct gpio_led_platform_data - litekit_led_platform_data __initconst = { - .leds = litekit_leds, - .num_leds = ARRAY_SIZE(litekit_leds), -}; - -void __init mx31lite_db_init(void) -{ - mxc_iomux_setup_multiple_pins(litekit_db_board_pins, - ARRAY_SIZE(litekit_db_board_pins), - "development board pins"); - imx31_add_mxc_mmc(0, &mmc_pdata); - gpio_led_register_device(-1, &litekit_led_platform_data); - imx31_add_imx2_wdt(); - imx31_add_mxc_rtc(); -} |