diff options
Diffstat (limited to 'arch/arm/mach-mx23/mx23evk_pins.c')
-rw-r--r-- | arch/arm/mach-mx23/mx23evk_pins.c | 939 |
1 files changed, 939 insertions, 0 deletions
diff --git a/arch/arm/mach-mx23/mx23evk_pins.c b/arch/arm/mach-mx23/mx23evk_pins.c new file mode 100644 index 000000000000..cdf86cfbea63 --- /dev/null +++ b/arch/arm/mach-mx23/mx23evk_pins.c @@ -0,0 +1,939 @@ +/* + * Copyright (C) 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * 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 Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/irq.h> +#include <linux/gpio.h> +#include <linux/delay.h> + +#include <mach/pinctrl.h> + +#include "mx23_pins.h" + +static struct pin_desc mx23evk_fixed_pins[] = { + { + .name = "DUART.RX", + .id = PINID_PWM0, + .fun = PIN_FUN3, + }, + { + .name = "DUART.TX", + .id = PINID_PWM1, + .fun = PIN_FUN3, + }, +#ifdef CONFIG_MXS_AUART1_DEVICE_ENABLE + { + .name = "AUART1.RX", + .id = PINID_AUART1_RX, + .fun = PIN_FUN1, + }, + { + .name = "AUART1.TX", + .id = PINID_AUART1_TX, + .fun = PIN_FUN1, + }, + { + .name = "AUART1.CTS", + .id = PINID_AUART1_CTS, + .fun = PIN_FUN1, + }, + { + .name = "AUART1.RTS", + .id = PINID_AUART1_RTS, + .fun = PIN_FUN1, + }, +#endif + +#ifdef CONFIG_MXS_AUART2_DEVICE_ENABLE + { + .name = "AUART2.RX", + .id = PINID_GPMI_D14, + .fun = PIN_FUN2, + }, + { + .name = "AUART2.TX", + .id = PINID_GPMI_D15, + .fun = PIN_FUN2, + }, + { + .name = "AUART2.CTS", + .id = PINID_ROTARYB, + .fun = PIN_FUN2, + }, + { + .name = "AUART2.RTS", + .id = PINID_ROTARYA, + .fun = PIN_FUN2, + }, +#endif +#if defined(CONFIG_I2C_MXS) || \ + defined(CONFIG_I2C_MXS_MODULE) + { + .name = "I2C_SCL", + .id = PINID_I2C_SCL, + .fun = PIN_FUN1, + .strength = PAD_4MA, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "I2C_SDA", + .id = PINID_I2C_SDA, + .fun = PIN_FUN1, + .strength = PAD_4MA, + .voltage = PAD_3_3V, + .drive = 1, + }, +#endif +#if defined(CONFIG_FB_MXS) || defined(CONFIG_FB_MXS_MODULE) + { + .name = "LCD_D00", + .id = PINID_LCD_D00, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "LCD_D01", + .id = PINID_LCD_D01, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "LCD_D02", + .id = PINID_LCD_D02, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "LCD_D03", + .id = PINID_LCD_D03, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "LCD_D04", + .id = PINID_LCD_D04, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "LCD_D05", + .id = PINID_LCD_D05, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "LCD_D06", + .id = PINID_LCD_D06, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "LCD_D07", + .id = PINID_LCD_D07, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "LCD_D08", + .id = PINID_LCD_D08, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "LCD_D09", + .id = PINID_LCD_D09, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "LCD_D10", + .id = PINID_LCD_D10, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "LCD_D11", + .id = PINID_LCD_D11, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "LCD_D12", + .id = PINID_LCD_D12, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "LCD_D13", + .id = PINID_LCD_D13, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "LCD_D14", + .id = PINID_LCD_D14, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "LCD_D15", + .id = PINID_LCD_D15, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "LCD_D16", + .id = PINID_LCD_D16, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "LCD_D17", + .id = PINID_LCD_D17, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "LCD_D18", + .id = PINID_GPMI_D08, + .fun = PIN_FUN2, + .strength = PAD_8MA, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "LCD_D19", + .id = PINID_GPMI_D09, + .fun = PIN_FUN2, + .strength = PAD_8MA, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "LCD_D20", + .id = PINID_GPMI_D10, + .fun = PIN_FUN2, + .strength = PAD_8MA, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "LCD_D21", + .id = PINID_GPMI_D11, + .fun = PIN_FUN2, + .strength = PAD_8MA, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "LCD_D22", + .id = PINID_GPMI_D12, + .fun = PIN_FUN2, + .strength = PAD_8MA, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "LCD_D23", + .id = PINID_GPMI_D13, + .fun = PIN_FUN2, + .strength = PAD_8MA, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "LCD_RESET", + .id = PINID_LCD_RESET, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "LCD_VSYNC", + .id = PINID_LCD_VSYNC, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "LCD_HSYNC", + .id = PINID_LCD_HSYNC, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "LCD_ENABLE", + .id = PINID_LCD_ENABLE, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "LCD_DOTCLK", + .id = PINID_LCD_DOTCK, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "LCD_BACKLIGHT", + .id = PINID_PWM2, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .voltage = PAD_3_3V, + .drive = 1, + }, +#endif + +#if defined(CONFIG_FEC) || defined(CONFIG_FEC_MODULE) + { + .name = "ENET0_MDC", + .id = PINID_ENET0_MDC, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .pull = 1, + .pullup = 1, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "ENET0_MDIO", + .id = PINID_ENET0_MDIO, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .pull = 1, + .pullup = 1, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "ENET0_RX_EN", + .id = PINID_ENET0_RX_EN, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .pull = 1, + .pullup = 1, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "ENET0_RXD0", + .id = PINID_ENET0_RXD0, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .pull = 1, + .pullup = 1, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "ENET0_RXD1", + .id = PINID_ENET0_RXD1, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .pull = 1, + .pullup = 1, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "ENET0_TX_EN", + .id = PINID_ENET0_TX_EN, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .pull = 1, + .pullup = 1, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "ENET0_TXD0", + .id = PINID_ENET0_TXD0, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .pull = 1, + .pullup = 1, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "ENET0_TXD1", + .id = PINID_ENET0_TXD1, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .pull = 1, + .pullup = 1, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "ENET_CLK", + .id = PINID_ENET_CLK, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .pull = 1, + .pullup = 1, + .voltage = PAD_3_3V, + .drive = 1, + }, +#endif +#if defined(CONFIG_USB_OTG) + { + .name = "USB_OTG_ID", + .id = PINID_ROTARYA, + .fun = PIN_GPIO, + .pull = 1, + .pullup = 1, + .voltage = PAD_3_3V, + }, +#endif +#if defined(CONFIG_SND_SOC_MXS_SPDIF) || \ + defined(CONFIG_SND_SOC_MXS_SPDIF_MODULE) + { + .name = "SPDIF", + .id = PINID_ROTARYA, + .fun = PIN_FUN3, + .strength = PAD_12MA, + .voltage = PAD_3_3V, + .pullup = 1, + .drive = 1, + .pull = 1, + }, +#endif + +#if defined(CONFIG_MTD_NAND_GPMI_NFC) || \ + defined(CONFIG_MTD_NAND_GPMI_NFC_MODULE) + { + .name = "GPMI D0", + .id = PINID_GPMI_D00, + .fun = PIN_FUN1, + .strength = PAD_4MA, + .voltage = PAD_3_3V, + .pullup = 0, + .drive = !0 + }, + { + .name = "GPMI D1", + .id = PINID_GPMI_D01, + .fun = PIN_FUN1, + .strength = PAD_4MA, + .voltage = PAD_3_3V, + .pullup = 0, + .drive = !0 + }, + { + .name = "GPMI D2", + .id = PINID_GPMI_D02, + .fun = PIN_FUN1, + .strength = PAD_4MA, + .voltage = PAD_3_3V, + .pullup = 0, + .drive = !0 + }, + { + .name = "GPMI D3", + .id = PINID_GPMI_D03, + .fun = PIN_FUN1, + .strength = PAD_4MA, + .voltage = PAD_3_3V, + .pullup = 0, + .drive = !0 + }, + { + .name = "GPMI D4", + .id = PINID_GPMI_D04, + .fun = PIN_FUN1, + .strength = PAD_4MA, + .voltage = PAD_3_3V, + .pullup = 0, + .drive = !0 + }, + { + .name = "GPMI D5", + .id = PINID_GPMI_D05, + .fun = PIN_FUN1, + .strength = PAD_4MA, + .voltage = PAD_3_3V, + .pullup = 0, + .drive = !0 + }, + { + .name = "GPMI D6", + .id = PINID_GPMI_D06, + .fun = PIN_FUN1, + .strength = PAD_4MA, + .voltage = PAD_3_3V, + .pullup = 0, + .drive = !0 + }, + { + .name = "GPMI D7", + .id = PINID_GPMI_D07, + .fun = PIN_FUN1, + .strength = PAD_4MA, + .voltage = PAD_3_3V, + .pullup = 0, + .drive = !0 + }, + { + .name = "GPMI CLE", + .id = PINID_GPMI_CLE, + .fun = PIN_FUN1, + .strength = PAD_4MA, + .voltage = PAD_3_3V, + .pullup = 0, + .drive = !0 + }, + { + .name = "GPMI ALE", + .id = PINID_GPMI_ALE, + .fun = PIN_FUN1, + .strength = PAD_4MA, + .voltage = PAD_3_3V, + .pullup = 0, + .drive = !0 + }, + { + .name = "GPMI WPN-", + .id = PINID_GPMI_WPN, + .fun = PIN_FUN1, + .strength = PAD_12MA, + .voltage = PAD_3_3V, + .pullup = 0, + .drive = !0 + }, + { + .name = "GPMI WR-", + .id = PINID_GPMI_WRN, + .fun = PIN_FUN1, + .strength = PAD_12MA, + .voltage = PAD_3_3V, + .pullup = 0, + .drive = !0 + }, + { + .name = "GPMI RD-", + .id = PINID_GPMI_RDN, + .fun = PIN_FUN1, + .strength = PAD_12MA, + .voltage = PAD_3_3V, + .pullup = 0, + .drive = !0 + }, + { + .name = "GPMI RDY0", + .id = PINID_GPMI_RDY0, + .fun = PIN_FUN1, + .strength = PAD_4MA, + .voltage = PAD_3_3V, + .pullup = 0, + .drive = !0 + }, + { + .name = "GPMI RDY1", + .id = PINID_GPMI_RDY1, + .fun = PIN_FUN1, + .strength = PAD_4MA, + .voltage = PAD_3_3V, + .pullup = 0, + .drive = !0 + }, + { + .name = "GPMI CE0-", + .id = PINID_GPMI_CE0N, + .fun = PIN_FUN1, + .strength = PAD_4MA, + .voltage = PAD_3_3V, + .pullup = 0, + .drive = !0 + }, + { + .name = "GPMI CE1-", + .id = PINID_GPMI_CE1N, + .fun = PIN_FUN1, + .strength = PAD_4MA, + .voltage = PAD_3_3V, + .pullup = 0, + .drive = !0 + }, +#endif + +}; + +#if defined(CONFIG_MMC_MXS) || defined(CONFIG_MMC_MXS_MODULE) +static struct pin_desc mx23evk_mmc_pins[] = { + /* Configurations of SSP0 SD/MMC port pins */ + { + .name = "SSP1_DATA0", + .id = PINID_SSP1_DATA0, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .voltage = PAD_3_3V, + .pullup = 1, + .drive = 1, + .pull = 1, + }, + { + .name = "SSP1_DATA1", + .id = PINID_SSP1_DATA1, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .voltage = PAD_3_3V, + .pullup = 1, + .drive = 1, + .pull = 1, + }, + { + .name = "SSP1_DATA2", + .id = PINID_SSP1_DATA2, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .voltage = PAD_3_3V, + .pullup = 1, + .drive = 1, + .pull = 1, + }, + { + .name = "SSP1_DATA3", + .id = PINID_SSP1_DATA3, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .voltage = PAD_3_3V, + .pullup = 1, + .drive = 1, + .pull = 1, + }, + { + .name = "SSP1_CMD", + .id = PINID_SSP1_CMD, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .voltage = PAD_3_3V, + .pullup = 1, + .drive = 1, + .pull = 1, + }, + { + .name = "SSP1_DETECT", + .id = PINID_SSP1_DETECT, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .voltage = PAD_3_3V, + .pullup = 0, + .drive = 1, + .pull = 0, + }, + { + .name = "SSP1_SCK", + .id = PINID_SSP1_SCK, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .voltage = PAD_3_3V, + .pullup = 0, + .drive = 1, + .pull = 0, + }, +}; +#endif + +#if defined(CONFIG_SPI_MXS) || defined(CONFIG_SPI_MXS_MODULE) +static struct pin_desc mx23evk_spi_pins[] = { + { + .name = "SSP1_DATA0", + .id = PINID_SSP1_DATA0, + .fun = PIN_FUN1, + .strength = PAD_4MA, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "SSP1_DATA3", + .id = PINID_SSP1_DATA3, + .fun = PIN_FUN1, + .strength = PAD_4MA, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "SSP1_CMD", + .id = PINID_SSP1_CMD, + .fun = PIN_FUN1, + .strength = PAD_4MA, + .voltage = PAD_3_3V, + .drive = 1, + }, + { + .name = "SSP1_SCK", + .id = PINID_SSP1_SCK, + .fun = PIN_FUN1, + .strength = PAD_8MA, + .voltage = PAD_3_3V, + .drive = 1, + }, +}; +#endif + + +static void mxs_request_pins(struct pin_desc *pins, int nr) +{ + int i; + struct pin_desc *pin; + + /* configure the pins */ + for (i = 0; i < nr; i++) { + pin = &pins[i]; + if (pin->fun == PIN_GPIO) + gpio_request(MXS_PIN_TO_GPIO(pin->id), pin->name); + else + mxs_request_pin(pin->id, pin->fun, pin->name); + if (pin->drive) { + mxs_set_strength(pin->id, pin->strength, pin->name); + mxs_set_voltage(pin->id, pin->voltage, pin->name); + } + if (pin->pull) + mxs_set_pullup(pin->id, pin->pullup, pin->name); + if (pin->fun == PIN_GPIO) { + if (pin->output) + gpio_direction_output(MXS_PIN_TO_GPIO(pin->id), + pin->data); + else + gpio_direction_input(MXS_PIN_TO_GPIO(pin->id)); + } + } +} + +static void mxs_release_pins(struct pin_desc *pins, int nr) +{ + int i; + struct pin_desc *pin; + + /* release the pins */ + for (i = 0; i < nr; i++) { + pin = &pins[i]; + if (pin->fun == PIN_GPIO) + gpio_free(MXS_PIN_TO_GPIO(pin->id)); + else + mxs_release_pin(pin->id, pin->name); + } +} + +#if defined(CONFIG_MXC_MMA7450) || defined(CONFIG_MXC_MMA7450_MODULE) +int mx23evk_mma7450_pin_init(void) +{ + /* intr */ + gpio_request(MXS_PIN_TO_GPIO(PINID_GPMI_D14), "MMA7450_INTR1"); + gpio_direction_input(MXS_PIN_TO_GPIO(PINID_GPMI_D14)); + gpio_request(MXS_PIN_TO_GPIO(PINID_GPMI_D15), "MMA7450_INTR2"); + gpio_direction_input(MXS_PIN_TO_GPIO(PINID_GPMI_D15)); + return 0; +} +int mx23evk_mma7450_pin_release(void) +{ + return 0; +} +#else +int mx23evk_mma7450_pin_init(void) +{ + return 0; +} +int mx23evk_mma7450_pin_release(void) +{ + return 0; +} +#endif + +#if defined(CONFIG_MMC_MXS) || defined(CONFIG_MMC_MXS_MODULE) +#define MMC0_POWER MXS_PIN_TO_GPIO(PINID_PWM3) +#define MMC0_WP MXS_PIN_TO_GPIO(PINID_PWM4) + +int mxs_mmc_get_wp_mmc0(void) +{ + return gpio_get_value(MMC0_WP); +} + +int mxs_mmc_hw_init_mmc0(void) +{ + int ret = 0; + + mxs_request_pins(mx23evk_mmc_pins, ARRAY_SIZE(mx23evk_mmc_pins)); + + /* Configure write protect GPIO pin */ + ret = gpio_request(MMC0_WP, "mmc0_wp"); + if (ret) { + pr_err("wp\n"); + goto out_wp; + } + gpio_set_value(MMC0_WP, 0); + gpio_direction_input(MMC0_WP); + + /* Configure POWER pin as gpio to drive power to MMC slot */ + ret = gpio_request(MMC0_POWER, "mmc0_power"); + if (ret) { + pr_err("power\n"); + goto out_power; + } + gpio_direction_output(MMC0_POWER, 0); + mdelay(100); + + return 0; + +out_power: + gpio_free(MMC0_WP); +out_wp: + mxs_release_pins(mx23evk_mmc_pins, ARRAY_SIZE(mx23evk_mmc_pins)); + return ret; +} + +void mxs_mmc_hw_release_mmc0(void) +{ + gpio_free(MMC0_POWER); + gpio_free(MMC0_WP); + + mxs_release_pins(mx23evk_mmc_pins, ARRAY_SIZE(mx23evk_mmc_pins)); +} + +void mxs_mmc_cmd_pullup_mmc0(int enable) +{ + mxs_set_pullup(PINID_SSP1_CMD, enable, "mmc0_cmd"); +} +#else +int mxs_mmc_get_wp_mmc0(void) +{ + return 0; +} +int mxs_mmc_hw_init_mmc0(void) +{ + return 0; +} + +void mxs_mmc_hw_release_mmc0(void) +{ +} + +void mxs_mmc_cmd_pullup_mmc0(int enable) +{ +} +#endif + +#if defined(CONFIG_ENC28J60) || defined(CONFIG_ENC28J60_MODULE) +int mxs_spi_enc_pin_init(void) +{ + unsigned gpio = MXS_PIN_TO_GPIO(PINID_SSP1_DATA1); + + mxs_request_pins(mx23evk_spi_pins, ARRAY_SIZE(mx23evk_spi_pins)); + + gpio_request(gpio, "ENC28J60_INTR"); + gpio_direction_input(gpio); + set_irq_type(gpio_to_irq(gpio), IRQ_TYPE_EDGE_FALLING); + + return 0; +} +int mxs_spi_enc_pin_release(void) +{ + unsigned gpio = MXS_PIN_TO_GPIO(PINID_SSP1_DATA1); + + + gpio_free(gpio); + set_irq_type(gpio_to_irq(gpio), IRQ_TYPE_NONE); + + /* release the pins */ + mxs_release_pins(mx23evk_spi_pins, ARRAY_SIZE(mx23evk_spi_pins)); + + return 0; +} +#else +int mxs_spi_enc_pin_init(void) +{ + return 0; +} +int mxs_spi_enc_pin_release(void) +{ + return 0; +} +#endif + +#if defined(CONFIG_FEC) || defined(CONFIG_FEC_MODULE) +int mx23evk_enet_gpio_init(void) +{ + /* pwr */ + gpio_request(MXS_PIN_TO_GPIO(PINID_SSP1_DATA3), "ENET_PWR"); + gpio_direction_output(MXS_PIN_TO_GPIO(PINID_SSP1_DATA3), 0); + + /* reset phy */ + gpio_request(MXS_PIN_TO_GPIO(PINID_ENET0_RX_CLK), "PHY_RESET"); + gpio_direction_output(MXS_PIN_TO_GPIO(PINID_ENET0_RX_CLK), 0); + gpio_direction_output(MXS_PIN_TO_GPIO(PINID_ENET0_RX_CLK), 1); + + return 0; +} +#else +int mx23evk_enet_gpio_init(void) +{ + return 0; +} +#endif + +void __init mx23evk_pins_init(void) +{ + mxs_request_pins(mx23evk_fixed_pins, ARRAY_SIZE(mx23evk_fixed_pins)); +} |