Wolfram Sang | a98253e | 2011-04-29 15:06:39 +0200 | [diff] [blame] | 1 | /* |
| 2 | * board setup for STMP378x-Development-Board |
| 3 | * |
| 4 | * based on mx23evk board setup and information gained form the original |
| 5 | * plat-stmp based board setup, now converted to mach-mxs. |
| 6 | * |
| 7 | * Copyright 2010 Freescale Semiconductor, Inc. All Rights Reserved. |
| 8 | * Copyright (C) 2011 Wolfram Sang, Pengutronix e.K. |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License as published by |
| 12 | * the Free Software Foundation; version 2 of the License. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | */ |
| 19 | |
| 20 | #include <linux/platform_device.h> |
| 21 | #include <linux/gpio.h> |
Wolfram Sang | a98253e | 2011-04-29 15:06:39 +0200 | [diff] [blame] | 22 | #include <linux/spi/spi.h> |
| 23 | |
| 24 | #include <asm/mach-types.h> |
| 25 | #include <asm/mach/arch.h> |
| 26 | #include <asm/mach/time.h> |
| 27 | |
| 28 | #include <mach/common.h> |
| 29 | #include <mach/iomux-mx23.h> |
| 30 | |
| 31 | #include "devices-mx23.h" |
| 32 | |
| 33 | #define STMP378X_DEVB_MMC0_WRITE_PROTECT MXS_GPIO_NR(1, 30) |
| 34 | #define STMP378X_DEVB_MMC0_SLOT_POWER MXS_GPIO_NR(1, 29) |
| 35 | |
| 36 | #define STMP378X_DEVB_PAD_AUART (MXS_PAD_4MA | MXS_PAD_1V8 | MXS_PAD_NOPULL) |
| 37 | |
| 38 | static const iomux_cfg_t stmp378x_dvb_pads[] __initconst = { |
| 39 | /* duart (extended setup missing in old boardcode, too */ |
| 40 | MX23_PAD_PWM0__DUART_RX, |
| 41 | MX23_PAD_PWM1__DUART_TX, |
| 42 | |
| 43 | /* auart */ |
| 44 | MX23_PAD_AUART1_RX__AUART1_RX | STMP378X_DEVB_PAD_AUART, |
| 45 | MX23_PAD_AUART1_TX__AUART1_TX | STMP378X_DEVB_PAD_AUART, |
| 46 | MX23_PAD_AUART1_CTS__AUART1_CTS | STMP378X_DEVB_PAD_AUART, |
| 47 | MX23_PAD_AUART1_RTS__AUART1_RTS | STMP378X_DEVB_PAD_AUART, |
| 48 | |
| 49 | /* mmc */ |
| 50 | MX23_PAD_SSP1_DATA0__SSP1_DATA0 | |
| 51 | (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), |
| 52 | MX23_PAD_SSP1_DATA1__SSP1_DATA1 | |
| 53 | (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), |
| 54 | MX23_PAD_SSP1_DATA2__SSP1_DATA2 | |
| 55 | (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), |
| 56 | MX23_PAD_SSP1_DATA3__SSP1_DATA3 | |
| 57 | (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), |
| 58 | MX23_PAD_SSP1_CMD__SSP1_CMD | |
| 59 | (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), |
| 60 | MX23_PAD_SSP1_DETECT__SSP1_DETECT | |
| 61 | (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL), |
| 62 | MX23_PAD_SSP1_SCK__SSP1_SCK | |
| 63 | (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL), |
| 64 | MX23_PAD_PWM4__GPIO_1_30 | MXS_PAD_CTRL, /* write protect */ |
| 65 | MX23_PAD_PWM3__GPIO_1_29 | MXS_PAD_CTRL, /* power enable */ |
| 66 | }; |
| 67 | |
| 68 | static struct mxs_mmc_platform_data stmp378x_dvb_mmc_pdata __initdata = { |
| 69 | .wp_gpio = STMP378X_DEVB_MMC0_WRITE_PROTECT, |
| 70 | }; |
| 71 | |
| 72 | static struct spi_board_info spi_board_info[] __initdata = { |
| 73 | #if defined(CONFIG_ENC28J60) || defined(CONFIG_ENC28J60_MODULE) |
| 74 | { |
| 75 | .modalias = "enc28j60", |
| 76 | .max_speed_hz = 6 * 1000 * 1000, |
| 77 | .bus_num = 1, |
| 78 | .chip_select = 0, |
| 79 | .platform_data = NULL, |
| 80 | }, |
| 81 | #endif |
| 82 | }; |
| 83 | |
| 84 | static void __init stmp378x_dvb_init(void) |
| 85 | { |
| 86 | int ret; |
| 87 | |
| 88 | mxs_iomux_setup_multiple_pads(stmp378x_dvb_pads, |
| 89 | ARRAY_SIZE(stmp378x_dvb_pads)); |
| 90 | |
| 91 | mx23_add_duart(); |
| 92 | mx23_add_auart0(); |
Wolfram Sang | 87d022c | 2011-05-02 16:26:48 +0200 | [diff] [blame] | 93 | mx23_add_rtc_stmp3xxx(); |
Wolfram Sang | a98253e | 2011-04-29 15:06:39 +0200 | [diff] [blame] | 94 | |
| 95 | /* power on mmc slot */ |
| 96 | ret = gpio_request_one(STMP378X_DEVB_MMC0_SLOT_POWER, |
| 97 | GPIOF_OUT_INIT_LOW, "mmc0-slot-power"); |
| 98 | if (ret) |
| 99 | pr_warn("could not power mmc (%d)\n", ret); |
| 100 | |
| 101 | mx23_add_mxs_mmc(0, &stmp378x_dvb_mmc_pdata); |
| 102 | |
| 103 | spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info)); |
| 104 | } |
| 105 | |
| 106 | static void __init stmp378x_dvb_timer_init(void) |
| 107 | { |
| 108 | mx23_clocks_init(); |
| 109 | } |
| 110 | |
| 111 | static struct sys_timer stmp378x_dvb_timer = { |
| 112 | .init = stmp378x_dvb_timer_init, |
| 113 | }; |
| 114 | |
| 115 | MACHINE_START(STMP378X, "STMP378X") |
| 116 | .map_io = mx23_map_io, |
| 117 | .init_irq = mx23_init_irq, |
Wolfram Sang | a98253e | 2011-04-29 15:06:39 +0200 | [diff] [blame] | 118 | .timer = &stmp378x_dvb_timer, |
Lauri Hintsala | 8d2d2d1 | 2011-11-21 10:55:55 +0200 | [diff] [blame] | 119 | .init_machine = stmp378x_dvb_init, |
Russell King | 6f91c5a | 2011-11-05 15:43:30 +0000 | [diff] [blame] | 120 | .restart = mxs_restart, |
Wolfram Sang | a98253e | 2011-04-29 15:06:39 +0200 | [diff] [blame] | 121 | MACHINE_END |