diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-mxs/Kconfig | 16 | ||||
| -rw-r--r-- | arch/arm/mach-mxs/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-mxs/include/mach/digctl.h | 1 | ||||
| -rw-r--r-- | arch/arm/mach-mxs/include/mach/mxs.h | 29 | ||||
| -rw-r--r-- | arch/arm/mach-mxs/include/mach/uncompress.h | 13 | ||||
| -rw-r--r-- | arch/arm/mach-mxs/mach-apx4devkit.c | 260 | ||||
| -rw-r--r-- | arch/arm/mach-mxs/mach-m28evk.c | 7 | ||||
| -rw-r--r-- | arch/arm/mach-mxs/mach-mx28evk.c | 80 |
8 files changed, 320 insertions, 87 deletions
diff --git a/arch/arm/mach-mxs/Kconfig b/arch/arm/mach-mxs/Kconfig index cf00b3e..c57f996 100644 --- a/arch/arm/mach-mxs/Kconfig +++ b/arch/arm/mach-mxs/Kconfig @@ -83,6 +83,18 @@ config MODULE_M28 select MXS_HAVE_PLATFORM_MXSFB select MXS_OCOTP +config MODULE_APX4 + bool + select SOC_IMX28 + select LEDS_GPIO_REGISTER + select MXS_HAVE_AMBA_DUART + select MXS_HAVE_PLATFORM_AUART + select MXS_HAVE_PLATFORM_FEC + select MXS_HAVE_PLATFORM_MXS_I2C + select MXS_HAVE_PLATFORM_MXS_MMC + select MXS_HAVE_PLATFORM_MXS_SAIF + select MXS_OCOTP + config MACH_TX28 bool "Ka-Ro TX28 module" select MODULE_TX28 @@ -91,4 +103,8 @@ config MACH_M28EVK bool "Support DENX M28EVK Platform" select MODULE_M28 +config MACH_APX4DEVKIT + bool "Support Bluegiga APX4 Development Kit" + select MODULE_APX4 + endif diff --git a/arch/arm/mach-mxs/Makefile b/arch/arm/mach-mxs/Makefile index 8c93b24..908bf9a 100644 --- a/arch/arm/mach-mxs/Makefile +++ b/arch/arm/mach-mxs/Makefile @@ -11,6 +11,7 @@ obj-$(CONFIG_MACH_STMP378X_DEVB) += mach-stmp378x_devb.o obj-$(CONFIG_MACH_MX23EVK) += mach-mx23evk.o obj-$(CONFIG_MACH_MX28EVK) += mach-mx28evk.o obj-$(CONFIG_MACH_M28EVK) += mach-m28evk.o +obj-$(CONFIG_MACH_APX4DEVKIT) += mach-apx4devkit.o obj-$(CONFIG_MODULE_TX28) += module-tx28.o obj-$(CONFIG_MACH_TX28) += mach-tx28.o diff --git a/arch/arm/mach-mxs/include/mach/digctl.h b/arch/arm/mach-mxs/include/mach/digctl.h index 49a888c..1796406 100644 --- a/arch/arm/mach-mxs/include/mach/digctl.h +++ b/arch/arm/mach-mxs/include/mach/digctl.h @@ -18,4 +18,5 @@ #define HW_DIGCTL_CTRL 0x0 #define BP_DIGCTL_CTRL_SAIF_CLKMUX 10 #define BM_DIGCTL_CTRL_SAIF_CLKMUX (0x3 << 10) +#define HW_DIGCTL_CHIPID 0x310 #endif diff --git a/arch/arm/mach-mxs/include/mach/mxs.h b/arch/arm/mach-mxs/include/mach/mxs.h index bde5f66..7d4fb6d 100644 --- a/arch/arm/mach-mxs/include/mach/mxs.h +++ b/arch/arm/mach-mxs/include/mach/mxs.h @@ -23,22 +23,10 @@ #include <linux/io.h> #endif #include <asm/mach-types.h> +#include <mach/digctl.h> #include <mach/hardware.h> /* - * MXS CPU types - */ -#define cpu_is_mx23() ( \ - machine_is_mx23evk() || \ - machine_is_stmp378x() || \ - 0) -#define cpu_is_mx28() ( \ - machine_is_mx28evk() || \ - machine_is_m28evk() || \ - machine_is_tx28() || \ - 0) - -/* * IO addresses common to MXS-based */ #define MXS_IO_BASE_ADDR 0x80000000 @@ -109,6 +97,21 @@ static inline void __mxs_togl(u32 mask, void __iomem *reg) { __raw_writel(mask, reg + MXS_TOG_ADDR); } + +/* + * MXS CPU types + */ +#define MXS_CHIPID (MXS_IO_ADDRESS(MXS_DIGCTL_BASE_ADDR) + HW_DIGCTL_CHIPID) + +static inline int cpu_is_mx23(void) +{ + return ((__raw_readl(MXS_CHIPID) >> 16) == 0x3780); +} + +static inline int cpu_is_mx28(void) +{ + return ((__raw_readl(MXS_CHIPID) >> 16) == 0x2800); +} #endif #endif /* __MACH_MXS_H__ */ diff --git a/arch/arm/mach-mxs/include/mach/uncompress.h b/arch/arm/mach-mxs/include/mach/uncompress.h index 6777674..ef28114 100644 --- a/arch/arm/mach-mxs/include/mach/uncompress.h +++ b/arch/arm/mach-mxs/include/mach/uncompress.h @@ -18,8 +18,6 @@ #ifndef __MACH_MXS_UNCOMPRESS_H__ #define __MACH_MXS_UNCOMPRESS_H__ -#include <asm/mach-types.h> - unsigned long mxs_duart_base; #define MXS_DUART(x) (*(volatile unsigned long *)(mxs_duart_base + (x))) @@ -55,16 +53,17 @@ static inline void flush(void) #define MX23_DUART_BASE_ADDR 0x80070000 #define MX28_DUART_BASE_ADDR 0x80074000 +#define MXS_DIGCTL_CHIPID 0x8001c310 static inline void __arch_decomp_setup(unsigned long arch_id) { - switch (arch_id) { - case MACH_TYPE_MX23EVK: + u16 chipid = (*(volatile unsigned long *) MXS_DIGCTL_CHIPID) >> 16; + + switch (chipid) { + case 0x3780: mxs_duart_base = MX23_DUART_BASE_ADDR; break; - case MACH_TYPE_MX28EVK: - case MACH_TYPE_M28EVK: - case MACH_TYPE_TX28: + case 0x2800: mxs_duart_base = MX28_DUART_BASE_ADDR; break; default: diff --git a/arch/arm/mach-mxs/mach-apx4devkit.c b/arch/arm/mach-mxs/mach-apx4devkit.c new file mode 100644 index 0000000..48a7fab --- /dev/null +++ b/arch/arm/mach-mxs/mach-apx4devkit.c @@ -0,0 +1,260 @@ +/* + * Copyright (C) 2011-2012 + * Lauri Hintsala, Bluegiga, <lauri.hintsala@bluegiga.com> + * Veli-Pekka Peltola, Bluegiga, <veli-pekka.peltola@bluegiga.com> + * + * based on: mach-mx28evk.c + * Copyright 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. + */ + +#include <linux/delay.h> +#include <linux/platform_device.h> +#include <linux/gpio.h> +#include <linux/leds.h> +#include <linux/clk.h> +#include <linux/i2c.h> +#include <linux/regulator/machine.h> +#include <linux/regulator/fixed.h> +#include <linux/micrel_phy.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/time.h> + +#include <mach/common.h> +#include <mach/digctl.h> +#include <mach/iomux-mx28.h> + +#include "devices-mx28.h" + +#define APX4DEVKIT_GPIO_USERLED MXS_GPIO_NR(3, 28) + +static const iomux_cfg_t apx4devkit_pads[] __initconst = { + /* duart */ + MX28_PAD_PWM0__DUART_RX | MXS_PAD_CTRL, + MX28_PAD_PWM1__DUART_TX | MXS_PAD_CTRL, + + /* auart0 */ + MX28_PAD_AUART0_RX__AUART0_RX | MXS_PAD_CTRL, + MX28_PAD_AUART0_TX__AUART0_TX | MXS_PAD_CTRL, + MX28_PAD_AUART0_CTS__AUART0_CTS | MXS_PAD_CTRL, + MX28_PAD_AUART0_RTS__AUART0_RTS | MXS_PAD_CTRL, + + /* auart1 */ + MX28_PAD_AUART1_RX__AUART1_RX | MXS_PAD_CTRL, + MX28_PAD_AUART1_TX__AUART1_TX | MXS_PAD_CTRL, + + /* auart2 */ + MX28_PAD_SSP2_SCK__AUART2_RX | MXS_PAD_CTRL, + MX28_PAD_SSP2_MOSI__AUART2_TX | MXS_PAD_CTRL, + + /* auart3 */ + MX28_PAD_SSP2_MISO__AUART3_RX | MXS_PAD_CTRL, + MX28_PAD_SSP2_SS0__AUART3_TX | MXS_PAD_CTRL, + +#define MXS_PAD_FEC (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP) + /* fec0 */ + MX28_PAD_ENET0_MDC__ENET0_MDC | MXS_PAD_FEC, + MX28_PAD_ENET0_MDIO__ENET0_MDIO | MXS_PAD_FEC, + MX28_PAD_ENET0_RX_EN__ENET0_RX_EN | MXS_PAD_FEC, + MX28_PAD_ENET0_RXD0__ENET0_RXD0 | MXS_PAD_FEC, + MX28_PAD_ENET0_RXD1__ENET0_RXD1 | MXS_PAD_FEC, + MX28_PAD_ENET0_TX_EN__ENET0_TX_EN | MXS_PAD_FEC, + MX28_PAD_ENET0_TXD0__ENET0_TXD0 | MXS_PAD_FEC, + MX28_PAD_ENET0_TXD1__ENET0_TXD1 | MXS_PAD_FEC, + MX28_PAD_ENET_CLK__CLKCTRL_ENET | MXS_PAD_FEC, + + /* i2c */ + MX28_PAD_I2C0_SCL__I2C0_SCL, + MX28_PAD_I2C0_SDA__I2C0_SDA, + + /* mmc0 */ + MX28_PAD_SSP0_DATA0__SSP0_D0 | + (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX28_PAD_SSP0_DATA1__SSP0_D1 | + (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX28_PAD_SSP0_DATA2__SSP0_D2 | + (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX28_PAD_SSP0_DATA3__SSP0_D3 | + (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX28_PAD_SSP0_DATA4__SSP0_D4 | + (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX28_PAD_SSP0_DATA5__SSP0_D5 | + (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX28_PAD_SSP0_DATA6__SSP0_D6 | + (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX28_PAD_SSP0_DATA7__SSP0_D7 | + (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX28_PAD_SSP0_CMD__SSP0_CMD | + (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX28_PAD_SSP0_DETECT__SSP0_CARD_DETECT | + (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL), + MX28_PAD_SSP0_SCK__SSP0_SCK | + (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL), + + /* led */ + MX28_PAD_PWM3__GPIO_3_28 | MXS_PAD_CTRL, + + /* saif0 & saif1 */ + MX28_PAD_SAIF0_MCLK__SAIF0_MCLK | + (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX28_PAD_SAIF0_LRCLK__SAIF0_LRCLK | + (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX28_PAD_SAIF0_BITCLK__SAIF0_BITCLK | + (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX28_PAD_SAIF0_SDATA0__SAIF0_SDATA0 | + (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX28_PAD_SAIF1_SDATA0__SAIF1_SDATA0 | + (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), +}; + +/* led */ +static const struct gpio_led apx4devkit_leds[] __initconst = { + { + .name = "user-led", + .default_trigger = "heartbeat", + .gpio = APX4DEVKIT_GPIO_USERLED, + }, +}; + +static const struct gpio_led_platform_data apx4devkit_led_data __initconst = { + .leds = apx4devkit_leds, + .num_leds = ARRAY_SIZE(apx4devkit_leds), +}; + +static const struct fec_platform_data mx28_fec_pdata __initconst = { + .phy = PHY_INTERFACE_MODE_RMII, +}; + +static const struct mxs_mmc_platform_data apx4devkit_mmc_pdata __initconst = { + .wp_gpio = -EINVAL, + .flags = SLOTF_4_BIT_CAPABLE, +}; + +static const struct i2c_board_info apx4devkit_i2c_boardinfo[] __initconst = { + { I2C_BOARD_INFO("sgtl5000", 0x0a) }, /* ASoC */ + { I2C_BOARD_INFO("pcf8563", 0x51) }, /* RTC */ +}; + +#if defined(CONFIG_REGULATOR_FIXED_VOLTAGE) || \ + defined(CONFIG_REGULATOR_FIXED_VOLTAGE_MODULE) +static struct regulator_consumer_supply apx4devkit_audio_consumer_supplies[] = { + REGULATOR_SUPPLY("VDDA", "0-000a"), + REGULATOR_SUPPLY("VDDIO", "0-000a"), +}; + +static struct regulator_init_data apx4devkit_vdd_reg_init_data = { + .constraints = { + .name = "3V3", + .always_on = 1, + }, + .consumer_supplies = apx4devkit_audio_consumer_supplies, + .num_consumer_supplies = ARRAY_SIZE(apx4devkit_audio_consumer_supplies), +}; + +static struct fixed_voltage_config apx4devkit_vdd_pdata = { + .supply_name = "board-3V3", + .microvolts = 3300000, + .gpio = -EINVAL, + .enabled_at_boot = 1, + .init_data = &apx4devkit_vdd_reg_init_data, +}; + +static struct platform_device apx4devkit_voltage_regulator = { + .name = "reg-fixed-voltage", + .id = -1, + .num_resources = 0, + .dev = { + .platform_data = &apx4devkit_vdd_pdata, + }, +}; + +static void __init apx4devkit_add_regulators(void) +{ + platform_device_register(&apx4devkit_voltage_regulator); +} +#else +static void __init apx4devkit_add_regulators(void) {} +#endif + +static const struct mxs_saif_platform_data + apx4devkit_mxs_saif_pdata[] __initconst = { + /* working on EXTMSTR0 mode (saif0 master, saif1 slave) */ + { + .master_mode = 1, + .master_id = 0, + }, { + .master_mode = 0, + .master_id = 0, + }, +}; + +static int apx4devkit_phy_fixup(struct phy_device *phy) +{ + phy->dev_flags |= MICREL_PHY_50MHZ_CLK; + return 0; +} + +static void __init apx4devkit_init(void) +{ + mxs_iomux_setup_multiple_pads(apx4devkit_pads, + ARRAY_SIZE(apx4devkit_pads)); + + mx28_add_duart(); + mx28_add_auart0(); + mx28_add_auart1(); + mx28_add_auart2(); + mx28_add_auart3(); + + /* + * Register fixup for the Micrel KS8031 PHY clock + * (shares same ID with KS8051) + */ + phy_register_fixup_for_uid(PHY_ID_KS8051, MICREL_PHY_ID_MASK, + apx4devkit_phy_fixup); + + mx28_add_fec(0, &mx28_fec_pdata); + + mx28_add_mxs_mmc(0, &apx4devkit_mmc_pdata); + + gpio_led_register_device(0, &apx4devkit_led_data); + + mxs_saif_clkmux_select(MXS_DIGCTL_SAIF_CLKMUX_EXTMSTR0); + mx28_add_saif(0, &apx4devkit_mxs_saif_pdata[0]); + mx28_add_saif(1, &apx4devkit_mxs_saif_pdata[1]); + + apx4devkit_add_regulators(); + + mx28_add_mxs_i2c(0); + i2c_register_board_info(0, apx4devkit_i2c_boardinfo, + ARRAY_SIZE(apx4devkit_i2c_boardinfo)); + + mxs_add_platform_device("mxs-sgtl5000", 0, NULL, 0, NULL, 0); +} + +static void __init apx4devkit_timer_init(void) +{ + mx28_clocks_init(); +} + +static struct sys_timer apx4devkit_timer = { + .init = apx4devkit_timer_init, +}; + +MACHINE_START(APX4DEVKIT, "Bluegiga APX4 Development Kit") + .map_io = mx28_map_io, + .init_irq = mx28_init_irq, + .timer = &apx4devkit_timer, + .init_machine = apx4devkit_init, + .restart = mxs_restart, +MACHINE_END diff --git a/arch/arm/mach-mxs/mach-m28evk.c b/arch/arm/mach-mxs/mach-m28evk.c index 2f27582..06d7996 100644 --- a/arch/arm/mach-mxs/mach-m28evk.c +++ b/arch/arm/mach-mxs/mach-m28evk.c @@ -247,18 +247,15 @@ static int __init m28evk_fec_get_mac(void) u32 val; const u32 *ocotp = mxs_get_ocotp(); - if (!ocotp) { - pr_err("%s: timeout when reading fec mac from OCOTP\n", - __func__); + if (!ocotp) return -ETIMEDOUT; - } /* * OCOTP only stores the last 4 octets for each mac address, * so hard-code DENX OUI (C0:E5:4E) here. */ for (i = 0; i < 2; i++) { - val = ocotp[i * 4]; + val = ocotp[i]; mx28_fec_pdata[i].mac[0] = 0xC0; mx28_fec_pdata[i].mac[1] = 0xE5; mx28_fec_pdata[i].mac[2] = 0x4E; diff --git a/arch/arm/mach-mxs/mach-mx28evk.c b/arch/arm/mach-mxs/mach-mx28evk.c index fdb0a56..e386c14 100644 --- a/arch/arm/mach-mxs/mach-mx28evk.c +++ b/arch/arm/mach-mxs/mach-mx28evk.c @@ -223,7 +223,6 @@ static const struct gpio_led_platform_data mx28evk_led_data __initconst = { /* fec */ static void __init mx28evk_fec_reset(void) { - int ret; struct clk *clk; /* Enable fec phy clock */ @@ -231,32 +230,7 @@ static void __init mx28evk_fec_reset(void) if (!IS_ERR(clk)) clk_prepare_enable(clk); - /* Power up fec phy */ - ret = gpio_request(MX28EVK_FEC_PHY_POWER, "fec-phy-power"); - if (ret) { - pr_err("Failed to request gpio fec-phy-%s: %d\n", "power", ret); - return; - } - - ret = gpio_direction_output(MX28EVK_FEC_PHY_POWER, 0); - if (ret) { - pr_err("Failed to drive gpio fec-phy-%s: %d\n", "power", ret); - return; - } - - /* Reset fec phy */ - ret = gpio_request(MX28EVK_FEC_PHY_RESET, "fec-phy-reset"); - if (ret) { - pr_err("Failed to request gpio fec-phy-%s: %d\n", "reset", ret); - return; - } - - gpio_direction_output(MX28EVK_FEC_PHY_RESET, 0); - if (ret) { - pr_err("Failed to drive gpio fec-phy-%s: %d\n", "reset", ret); - return; - } - + gpio_set_value(MX28EVK_FEC_PHY_RESET, 0); mdelay(1); gpio_set_value(MX28EVK_FEC_PHY_RESET, 1); } @@ -278,14 +252,14 @@ static int __init mx28evk_fec_get_mac(void) const u32 *ocotp = mxs_get_ocotp(); if (!ocotp) - goto error; + return -ETIMEDOUT; /* * OCOTP only stores the last 4 octets for each mac address, * so hard-code Freescale OUI (00:04:9f) here. */ for (i = 0; i < 2; i++) { - val = ocotp[i * 4]; + val = ocotp[i]; mx28_fec_pdata[i].mac[0] = 0x00; mx28_fec_pdata[i].mac[1] = 0x04; mx28_fec_pdata[i].mac[2] = 0x9f; @@ -295,10 +269,6 @@ static int __init mx28evk_fec_get_mac(void) } return 0; - -error: - pr_err("%s: timeout when reading fec mac from OCOTP\n", __func__); - return -ETIMEDOUT; } /* @@ -417,9 +387,14 @@ static void __init mx28evk_add_regulators(void) static void __init mx28evk_add_regulators(void) {} #endif -static struct gpio mx28evk_lcd_gpios[] = { +static const struct gpio mx28evk_gpios[] __initconst = { { MX28EVK_LCD_ENABLE, GPIOF_OUT_INIT_HIGH, "lcd-enable" }, { MX28EVK_BL_ENABLE, GPIOF_OUT_INIT_HIGH, "bl-enable" }, + { MX28EVK_FLEXCAN_SWITCH, GPIOF_DIR_OUT, "flexcan-switch" }, + { MX28EVK_MMC0_SLOT_POWER, GPIOF_OUT_INIT_LOW, "mmc0-slot-power" }, + { MX28EVK_MMC1_SLOT_POWER, GPIOF_OUT_INIT_LOW, "mmc1-slot-power" }, + { MX28EVK_FEC_PHY_POWER, GPIOF_OUT_INIT_LOW, "fec-phy-power" }, + { MX28EVK_FEC_PHY_RESET, GPIOF_DIR_OUT, "fec-phy-reset" }, }; static const struct mxs_saif_platform_data @@ -447,25 +422,18 @@ static void __init mx28evk_init(void) if (mx28evk_fec_get_mac()) pr_warn("%s: failed on fec mac setup\n", __func__); + ret = gpio_request_array(mx28evk_gpios, ARRAY_SIZE(mx28evk_gpios)); + if (ret) + pr_err("One or more GPIOs failed to be requested: %d\n", ret); + mx28evk_fec_reset(); mx28_add_fec(0, &mx28_fec_pdata[0]); mx28_add_fec(1, &mx28_fec_pdata[1]); - ret = gpio_request_one(MX28EVK_FLEXCAN_SWITCH, GPIOF_DIR_OUT, - "flexcan-switch"); - if (ret) { - pr_err("failed to request gpio flexcan-switch: %d\n", ret); - } else { - mx28_add_flexcan(0, &mx28evk_flexcan_pdata[0]); - mx28_add_flexcan(1, &mx28evk_flexcan_pdata[1]); - } + mx28_add_flexcan(0, &mx28evk_flexcan_pdata[0]); + mx28_add_flexcan(1, &mx28evk_flexcan_pdata[1]); - ret = gpio_request_array(mx28evk_lcd_gpios, - ARRAY_SIZE(mx28evk_lcd_gpios)); - if (ret) - pr_warn("failed to request gpio pins for lcd: %d\n", ret); - else - mx28_add_mxsfb(&mx28evk_mxsfb_pdata); + mx28_add_mxsfb(&mx28evk_mxsfb_pdata); mxs_saif_clkmux_select(MXS_DIGCTL_SAIF_CLKMUX_EXTMSTR0); mx28_add_saif(0, &mx28evk_mxs_saif_pdata[0]); @@ -480,20 +448,8 @@ static void __init mx28evk_init(void) mxs_add_platform_device("mxs-sgtl5000", 0, NULL, 0, NULL, 0); - /* power on mmc slot by writing 0 to the gpio */ - ret = gpio_request_one(MX28EVK_MMC0_SLOT_POWER, GPIOF_OUT_INIT_LOW, - "mmc0-slot-power"); - if (ret) - pr_warn("failed to request gpio mmc0-slot-power: %d\n", ret); - else - mx28_add_mxs_mmc(0, &mx28evk_mmc_pdata[0]); - - ret = gpio_request_one(MX28EVK_MMC1_SLOT_POWER, GPIOF_OUT_INIT_LOW, - "mmc1-slot-power"); - if (ret) - pr_warn("failed to request gpio mmc1-slot-power: %d\n", ret); - else - mx28_add_mxs_mmc(1, &mx28evk_mmc_pdata[1]); + mx28_add_mxs_mmc(0, &mx28evk_mmc_pdata[0]); + mx28_add_mxs_mmc(1, &mx28evk_mmc_pdata[1]); mx28_add_rtc_stmp3xxx(); |
