505 строки
14 KiB
C
505 строки
14 KiB
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 <asm/mach-types.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/time.h>
|
|
|
|
#include <mach/common.h>
|
|
#include <mach/iomux-mx28.h>
|
|
|
|
#include "devices-mx28.h"
|
|
|
|
#define MX28EVK_FLEXCAN_SWITCH MXS_GPIO_NR(2, 13)
|
|
#define MX28EVK_FEC_PHY_POWER MXS_GPIO_NR(2, 15)
|
|
#define MX28EVK_GPIO_LED MXS_GPIO_NR(3, 5)
|
|
#define MX28EVK_BL_ENABLE MXS_GPIO_NR(3, 18)
|
|
#define MX28EVK_LCD_ENABLE MXS_GPIO_NR(3, 30)
|
|
#define MX28EVK_FEC_PHY_RESET MXS_GPIO_NR(4, 13)
|
|
|
|
#define MX28EVK_MMC0_WRITE_PROTECT MXS_GPIO_NR(2, 12)
|
|
#define MX28EVK_MMC1_WRITE_PROTECT MXS_GPIO_NR(0, 28)
|
|
#define MX28EVK_MMC0_SLOT_POWER MXS_GPIO_NR(3, 28)
|
|
#define MX28EVK_MMC1_SLOT_POWER MXS_GPIO_NR(3, 29)
|
|
|
|
static const iomux_cfg_t mx28evk_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,
|
|
/* auart3 */
|
|
MX28_PAD_AUART3_RX__AUART3_RX | MXS_PAD_CTRL,
|
|
MX28_PAD_AUART3_TX__AUART3_TX | MXS_PAD_CTRL,
|
|
MX28_PAD_AUART3_CTS__AUART3_CTS | MXS_PAD_CTRL,
|
|
MX28_PAD_AUART3_RTS__AUART3_RTS | 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,
|
|
/* fec1 */
|
|
MX28_PAD_ENET0_CRS__ENET1_RX_EN | MXS_PAD_FEC,
|
|
MX28_PAD_ENET0_RXD2__ENET1_RXD0 | MXS_PAD_FEC,
|
|
MX28_PAD_ENET0_RXD3__ENET1_RXD1 | MXS_PAD_FEC,
|
|
MX28_PAD_ENET0_COL__ENET1_TX_EN | MXS_PAD_FEC,
|
|
MX28_PAD_ENET0_TXD2__ENET1_TXD0 | MXS_PAD_FEC,
|
|
MX28_PAD_ENET0_TXD3__ENET1_TXD1 | MXS_PAD_FEC,
|
|
/* phy power line */
|
|
MX28_PAD_SSP1_DATA3__GPIO_2_15 | MXS_PAD_CTRL,
|
|
/* phy reset line */
|
|
MX28_PAD_ENET0_RX_CLK__GPIO_4_13 | MXS_PAD_CTRL,
|
|
|
|
/* flexcan0 */
|
|
MX28_PAD_GPMI_RDY2__CAN0_TX,
|
|
MX28_PAD_GPMI_RDY3__CAN0_RX,
|
|
/* flexcan1 */
|
|
MX28_PAD_GPMI_CE2N__CAN1_TX,
|
|
MX28_PAD_GPMI_CE3N__CAN1_RX,
|
|
/* transceiver power control */
|
|
MX28_PAD_SSP1_CMD__GPIO_2_13,
|
|
|
|
/* mxsfb (lcdif) */
|
|
MX28_PAD_LCD_D00__LCD_D0 | MXS_PAD_CTRL,
|
|
MX28_PAD_LCD_D01__LCD_D1 | MXS_PAD_CTRL,
|
|
MX28_PAD_LCD_D02__LCD_D2 | MXS_PAD_CTRL,
|
|
MX28_PAD_LCD_D03__LCD_D3 | MXS_PAD_CTRL,
|
|
MX28_PAD_LCD_D04__LCD_D4 | MXS_PAD_CTRL,
|
|
MX28_PAD_LCD_D05__LCD_D5 | MXS_PAD_CTRL,
|
|
MX28_PAD_LCD_D06__LCD_D6 | MXS_PAD_CTRL,
|
|
MX28_PAD_LCD_D07__LCD_D7 | MXS_PAD_CTRL,
|
|
MX28_PAD_LCD_D08__LCD_D8 | MXS_PAD_CTRL,
|
|
MX28_PAD_LCD_D09__LCD_D9 | MXS_PAD_CTRL,
|
|
MX28_PAD_LCD_D10__LCD_D10 | MXS_PAD_CTRL,
|
|
MX28_PAD_LCD_D11__LCD_D11 | MXS_PAD_CTRL,
|
|
MX28_PAD_LCD_D12__LCD_D12 | MXS_PAD_CTRL,
|
|
MX28_PAD_LCD_D13__LCD_D13 | MXS_PAD_CTRL,
|
|
MX28_PAD_LCD_D14__LCD_D14 | MXS_PAD_CTRL,
|
|
MX28_PAD_LCD_D15__LCD_D15 | MXS_PAD_CTRL,
|
|
MX28_PAD_LCD_D16__LCD_D16 | MXS_PAD_CTRL,
|
|
MX28_PAD_LCD_D17__LCD_D17 | MXS_PAD_CTRL,
|
|
MX28_PAD_LCD_D18__LCD_D18 | MXS_PAD_CTRL,
|
|
MX28_PAD_LCD_D19__LCD_D19 | MXS_PAD_CTRL,
|
|
MX28_PAD_LCD_D20__LCD_D20 | MXS_PAD_CTRL,
|
|
MX28_PAD_LCD_D21__LCD_D21 | MXS_PAD_CTRL,
|
|
MX28_PAD_LCD_D22__LCD_D22 | MXS_PAD_CTRL,
|
|
MX28_PAD_LCD_D23__LCD_D23 | MXS_PAD_CTRL,
|
|
MX28_PAD_LCD_RD_E__LCD_VSYNC | MXS_PAD_CTRL,
|
|
MX28_PAD_LCD_WR_RWN__LCD_HSYNC | MXS_PAD_CTRL,
|
|
MX28_PAD_LCD_RS__LCD_DOTCLK | MXS_PAD_CTRL,
|
|
MX28_PAD_LCD_CS__LCD_ENABLE | MXS_PAD_CTRL,
|
|
/* LCD panel enable */
|
|
MX28_PAD_LCD_RESET__GPIO_3_30 | MXS_PAD_CTRL,
|
|
/* backlight control */
|
|
MX28_PAD_PWM2__GPIO_3_18 | MXS_PAD_CTRL,
|
|
/* 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),
|
|
/* write protect */
|
|
MX28_PAD_SSP1_SCK__GPIO_2_12 |
|
|
(MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
|
|
/* slot power enable */
|
|
MX28_PAD_PWM3__GPIO_3_28 |
|
|
(MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
|
|
|
|
/* mmc1 */
|
|
MX28_PAD_GPMI_D00__SSP1_D0 |
|
|
(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
|
|
MX28_PAD_GPMI_D01__SSP1_D1 |
|
|
(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
|
|
MX28_PAD_GPMI_D02__SSP1_D2 |
|
|
(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
|
|
MX28_PAD_GPMI_D03__SSP1_D3 |
|
|
(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
|
|
MX28_PAD_GPMI_D04__SSP1_D4 |
|
|
(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
|
|
MX28_PAD_GPMI_D05__SSP1_D5 |
|
|
(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
|
|
MX28_PAD_GPMI_D06__SSP1_D6 |
|
|
(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
|
|
MX28_PAD_GPMI_D07__SSP1_D7 |
|
|
(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
|
|
MX28_PAD_GPMI_RDY1__SSP1_CMD |
|
|
(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
|
|
MX28_PAD_GPMI_RDY0__SSP1_CARD_DETECT |
|
|
(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
|
|
MX28_PAD_GPMI_WRN__SSP1_SCK |
|
|
(MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
|
|
/* write protect */
|
|
MX28_PAD_GPMI_RESETN__GPIO_0_28 |
|
|
(MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
|
|
/* slot power enable */
|
|
MX28_PAD_PWM4__GPIO_3_29 |
|
|
(MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
|
|
|
|
/* led */
|
|
MX28_PAD_AUART1_TX__GPIO_3_5 | MXS_PAD_CTRL,
|
|
|
|
/* I2C */
|
|
MX28_PAD_I2C0_SCL__I2C0_SCL |
|
|
(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
|
|
MX28_PAD_I2C0_SDA__I2C0_SDA |
|
|
(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
|
|
|
|
/* 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 mx28evk_leds[] __initconst = {
|
|
{
|
|
.name = "GPIO-LED",
|
|
.default_trigger = "heartbeat",
|
|
.gpio = MX28EVK_GPIO_LED,
|
|
},
|
|
};
|
|
|
|
static const struct gpio_led_platform_data mx28evk_led_data __initconst = {
|
|
.leds = mx28evk_leds,
|
|
.num_leds = ARRAY_SIZE(mx28evk_leds),
|
|
};
|
|
|
|
/* fec */
|
|
static void __init mx28evk_fec_reset(void)
|
|
{
|
|
int ret;
|
|
struct clk *clk;
|
|
|
|
/* Enable fec phy clock */
|
|
clk = clk_get_sys("pll2", NULL);
|
|
if (!IS_ERR(clk))
|
|
clk_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;
|
|
}
|
|
|
|
mdelay(1);
|
|
gpio_set_value(MX28EVK_FEC_PHY_RESET, 1);
|
|
}
|
|
|
|
static struct fec_platform_data mx28_fec_pdata[] __initdata = {
|
|
{
|
|
/* fec0 */
|
|
.phy = PHY_INTERFACE_MODE_RMII,
|
|
}, {
|
|
/* fec1 */
|
|
.phy = PHY_INTERFACE_MODE_RMII,
|
|
},
|
|
};
|
|
|
|
static int __init mx28evk_fec_get_mac(void)
|
|
{
|
|
int i;
|
|
u32 val;
|
|
const u32 *ocotp = mxs_get_ocotp();
|
|
|
|
if (!ocotp)
|
|
goto error;
|
|
|
|
/*
|
|
* 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];
|
|
mx28_fec_pdata[i].mac[0] = 0x00;
|
|
mx28_fec_pdata[i].mac[1] = 0x04;
|
|
mx28_fec_pdata[i].mac[2] = 0x9f;
|
|
mx28_fec_pdata[i].mac[3] = (val >> 16) & 0xff;
|
|
mx28_fec_pdata[i].mac[4] = (val >> 8) & 0xff;
|
|
mx28_fec_pdata[i].mac[5] = (val >> 0) & 0xff;
|
|
}
|
|
|
|
return 0;
|
|
|
|
error:
|
|
pr_err("%s: timeout when reading fec mac from OCOTP\n", __func__);
|
|
return -ETIMEDOUT;
|
|
}
|
|
|
|
/*
|
|
* MX28EVK_FLEXCAN_SWITCH is shared between both flexcan controllers
|
|
*/
|
|
static int flexcan0_en, flexcan1_en;
|
|
|
|
static void mx28evk_flexcan_switch(void)
|
|
{
|
|
if (flexcan0_en || flexcan1_en)
|
|
gpio_set_value(MX28EVK_FLEXCAN_SWITCH, 1);
|
|
else
|
|
gpio_set_value(MX28EVK_FLEXCAN_SWITCH, 0);
|
|
}
|
|
|
|
static void mx28evk_flexcan0_switch(int enable)
|
|
{
|
|
flexcan0_en = enable;
|
|
mx28evk_flexcan_switch();
|
|
}
|
|
|
|
static void mx28evk_flexcan1_switch(int enable)
|
|
{
|
|
flexcan1_en = enable;
|
|
mx28evk_flexcan_switch();
|
|
}
|
|
|
|
static const struct flexcan_platform_data
|
|
mx28evk_flexcan_pdata[] __initconst = {
|
|
{
|
|
.transceiver_switch = mx28evk_flexcan0_switch,
|
|
}, {
|
|
.transceiver_switch = mx28evk_flexcan1_switch,
|
|
}
|
|
};
|
|
|
|
/* mxsfb (lcdif) */
|
|
static struct fb_videomode mx28evk_video_modes[] = {
|
|
{
|
|
.name = "Seiko-43WVF1G",
|
|
.refresh = 60,
|
|
.xres = 800,
|
|
.yres = 480,
|
|
.pixclock = 29851, /* picosecond (33.5 MHz) */
|
|
.left_margin = 89,
|
|
.right_margin = 164,
|
|
.upper_margin = 23,
|
|
.lower_margin = 10,
|
|
.hsync_len = 10,
|
|
.vsync_len = 10,
|
|
.sync = FB_SYNC_DATA_ENABLE_HIGH_ACT |
|
|
FB_SYNC_DOTCLK_FAILING_ACT,
|
|
},
|
|
};
|
|
|
|
static const struct mxsfb_platform_data mx28evk_mxsfb_pdata __initconst = {
|
|
.mode_list = mx28evk_video_modes,
|
|
.mode_count = ARRAY_SIZE(mx28evk_video_modes),
|
|
.default_bpp = 32,
|
|
.ld_intf_width = STMLCDIF_24BIT,
|
|
};
|
|
|
|
static struct mxs_mmc_platform_data mx28evk_mmc_pdata[] __initdata = {
|
|
{
|
|
/* mmc0 */
|
|
.wp_gpio = MX28EVK_MMC0_WRITE_PROTECT,
|
|
.flags = SLOTF_8_BIT_CAPABLE,
|
|
}, {
|
|
/* mmc1 */
|
|
.wp_gpio = MX28EVK_MMC1_WRITE_PROTECT,
|
|
.flags = SLOTF_8_BIT_CAPABLE,
|
|
},
|
|
};
|
|
|
|
static struct i2c_board_info mxs_i2c0_board_info[] __initdata = {
|
|
{
|
|
I2C_BOARD_INFO("sgtl5000", 0x0a),
|
|
},
|
|
};
|
|
|
|
#if defined(CONFIG_REGULATOR_FIXED_VOLTAGE) || defined(CONFIG_REGULATOR_FIXED_VOLTAGE_MODULE)
|
|
static struct regulator_consumer_supply mx28evk_audio_consumer_supplies[] = {
|
|
REGULATOR_SUPPLY("VDDA", "0-000a"),
|
|
REGULATOR_SUPPLY("VDDIO", "0-000a"),
|
|
};
|
|
|
|
static struct regulator_init_data mx28evk_vdd_reg_init_data = {
|
|
.constraints = {
|
|
.name = "3V3",
|
|
.always_on = 1,
|
|
},
|
|
.consumer_supplies = mx28evk_audio_consumer_supplies,
|
|
.num_consumer_supplies = ARRAY_SIZE(mx28evk_audio_consumer_supplies),
|
|
};
|
|
|
|
static struct fixed_voltage_config mx28evk_vdd_pdata = {
|
|
.supply_name = "board-3V3",
|
|
.microvolts = 3300000,
|
|
.gpio = -EINVAL,
|
|
.enabled_at_boot = 1,
|
|
.init_data = &mx28evk_vdd_reg_init_data,
|
|
};
|
|
static struct platform_device mx28evk_voltage_regulator = {
|
|
.name = "reg-fixed-voltage",
|
|
.id = -1,
|
|
.num_resources = 0,
|
|
.dev = {
|
|
.platform_data = &mx28evk_vdd_pdata,
|
|
},
|
|
};
|
|
static void __init mx28evk_add_regulators(void)
|
|
{
|
|
platform_device_register(&mx28evk_voltage_regulator);
|
|
}
|
|
#else
|
|
static void __init mx28evk_add_regulators(void) {}
|
|
#endif
|
|
|
|
static struct gpio mx28evk_lcd_gpios[] = {
|
|
{ MX28EVK_LCD_ENABLE, GPIOF_OUT_INIT_HIGH, "lcd-enable" },
|
|
{ MX28EVK_BL_ENABLE, GPIOF_OUT_INIT_HIGH, "bl-enable" },
|
|
};
|
|
|
|
static void __init mx28evk_init(void)
|
|
{
|
|
int ret;
|
|
|
|
mxs_iomux_setup_multiple_pads(mx28evk_pads, ARRAY_SIZE(mx28evk_pads));
|
|
|
|
mx28_add_duart();
|
|
mx28_add_auart0();
|
|
mx28_add_auart3();
|
|
|
|
if (mx28evk_fec_get_mac())
|
|
pr_warn("%s: failed on fec mac setup\n", __func__);
|
|
|
|
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]);
|
|
}
|
|
|
|
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_saif(0);
|
|
mx28_add_saif(1);
|
|
|
|
mx28_add_mxs_i2c(0);
|
|
i2c_register_board_info(0, mxs_i2c0_board_info,
|
|
ARRAY_SIZE(mxs_i2c0_board_info));
|
|
|
|
mx28evk_add_regulators();
|
|
|
|
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_rtc_stmp3xxx();
|
|
|
|
gpio_led_register_device(0, &mx28evk_led_data);
|
|
}
|
|
|
|
static void __init mx28evk_timer_init(void)
|
|
{
|
|
mx28_clocks_init();
|
|
}
|
|
|
|
static struct sys_timer mx28evk_timer = {
|
|
.init = mx28evk_timer_init,
|
|
};
|
|
|
|
MACHINE_START(MX28EVK, "Freescale MX28 EVK")
|
|
/* Maintainer: Freescale Semiconductor, Inc. */
|
|
.map_io = mx28_map_io,
|
|
.init_irq = mx28_init_irq,
|
|
.timer = &mx28evk_timer,
|
|
.init_machine = mx28evk_init,
|
|
MACHINE_END
|