diff options
Diffstat (limited to 'arch/arm/mach-mx5/eukrea_mbimxsd-baseboard.c')
| -rw-r--r-- | arch/arm/mach-mx5/eukrea_mbimxsd-baseboard.c | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/arch/arm/mach-mx5/eukrea_mbimxsd-baseboard.c b/arch/arm/mach-mx5/eukrea_mbimxsd-baseboard.c new file mode 100644 index 000000000000..2b48f5190830 --- /dev/null +++ b/arch/arm/mach-mx5/eukrea_mbimxsd-baseboard.c | |||
| @@ -0,0 +1,166 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (C) 2010 Eric Benard - eric@eukrea.com | ||
| 3 | * | ||
| 4 | * Based on pcm970-baseboard.c which is : | ||
| 5 | * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de) | ||
| 6 | * | ||
| 7 | * This program is free software; you can redistribute it and/or | ||
| 8 | * modify it under the terms of the GNU General Public License | ||
| 9 | * as published by the Free Software Foundation; either version 2 | ||
| 10 | * of the License, or (at your option) any later version. | ||
| 11 | * This program is distributed in the hope that it will be useful, | ||
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 14 | * GNU General Public License for more details. | ||
| 15 | * | ||
| 16 | * You should have received a copy of the GNU General Public License | ||
| 17 | * along with this program; if not, write to the Free Software | ||
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | ||
| 19 | * MA 02110-1301, USA. | ||
| 20 | */ | ||
| 21 | |||
| 22 | #include <linux/types.h> | ||
| 23 | #include <linux/init.h> | ||
| 24 | |||
| 25 | #include <linux/gpio.h> | ||
| 26 | #include <linux/interrupt.h> | ||
| 27 | #include <linux/irq.h> | ||
| 28 | #include <linux/leds.h> | ||
| 29 | #include <linux/platform_device.h> | ||
| 30 | #include <linux/gpio_keys.h> | ||
| 31 | #include <linux/input.h> | ||
| 32 | #include <linux/i2c.h> | ||
| 33 | |||
| 34 | #include <asm/mach-types.h> | ||
| 35 | #include <asm/mach/arch.h> | ||
| 36 | #include <asm/mach/time.h> | ||
| 37 | #include <asm/mach/map.h> | ||
| 38 | |||
| 39 | #include <mach/hardware.h> | ||
| 40 | #include <mach/common.h> | ||
| 41 | #include <mach/imx-uart.h> | ||
| 42 | #include <mach/iomux-mx51.h> | ||
| 43 | #include <mach/audmux.h> | ||
| 44 | |||
| 45 | #include "devices-imx51.h" | ||
| 46 | #include "devices.h" | ||
| 47 | |||
| 48 | #define MBIMXSD_GPIO_3_31 IOMUX_PAD(0x554, 0x16C, 3, 0x0, 0, \ | ||
| 49 | MX51_PAD_CTRL_1 | PAD_CTL_PUS_22K_UP) | ||
| 50 | |||
| 51 | static struct pad_desc eukrea_mbimxsd_pads[] = { | ||
| 52 | /* LED */ | ||
| 53 | MX51_PAD_NANDF_D10__GPIO_3_30, | ||
| 54 | /* SWITCH */ | ||
| 55 | MBIMXSD_GPIO_3_31, | ||
| 56 | /* UART2 */ | ||
| 57 | MX51_PAD_UART2_RXD__UART2_RXD, | ||
| 58 | MX51_PAD_UART2_TXD__UART2_TXD, | ||
| 59 | /* UART 3 */ | ||
| 60 | MX51_PAD_UART3_RXD__UART3_RXD, | ||
| 61 | MX51_PAD_UART3_TXD__UART3_TXD, | ||
| 62 | MX51_PAD_KEY_COL4__UART3_RTS, | ||
| 63 | MX51_PAD_KEY_COL5__UART3_CTS, | ||
| 64 | /* SD */ | ||
| 65 | MX51_PAD_SD1_CMD__SD1_CMD, | ||
| 66 | MX51_PAD_SD1_CLK__SD1_CLK, | ||
| 67 | MX51_PAD_SD1_DATA0__SD1_DATA0, | ||
| 68 | MX51_PAD_SD1_DATA1__SD1_DATA1, | ||
| 69 | MX51_PAD_SD1_DATA2__SD1_DATA2, | ||
| 70 | MX51_PAD_SD1_DATA3__SD1_DATA3, | ||
| 71 | }; | ||
| 72 | |||
| 73 | #define GPIO_LED1 (2 * 32 + 30) | ||
| 74 | #define GPIO_SWITCH1 (2 * 32 + 31) | ||
| 75 | |||
| 76 | static struct gpio_led eukrea_mbimxsd_leds[] = { | ||
| 77 | { | ||
| 78 | .name = "led1", | ||
| 79 | .default_trigger = "heartbeat", | ||
| 80 | .active_low = 1, | ||
| 81 | .gpio = GPIO_LED1, | ||
| 82 | }, | ||
| 83 | }; | ||
| 84 | |||
| 85 | static struct gpio_led_platform_data eukrea_mbimxsd_led_info = { | ||
| 86 | .leds = eukrea_mbimxsd_leds, | ||
| 87 | .num_leds = ARRAY_SIZE(eukrea_mbimxsd_leds), | ||
| 88 | }; | ||
| 89 | |||
| 90 | static struct platform_device eukrea_mbimxsd_leds_gpio = { | ||
| 91 | .name = "leds-gpio", | ||
| 92 | .id = -1, | ||
| 93 | .dev = { | ||
| 94 | .platform_data = &eukrea_mbimxsd_led_info, | ||
| 95 | }, | ||
| 96 | }; | ||
| 97 | |||
| 98 | static struct gpio_keys_button eukrea_mbimxsd_gpio_buttons[] = { | ||
| 99 | { | ||
| 100 | .gpio = GPIO_SWITCH1, | ||
| 101 | .code = BTN_0, | ||
| 102 | .desc = "BP1", | ||
| 103 | .active_low = 1, | ||
| 104 | .wakeup = 1, | ||
| 105 | }, | ||
| 106 | }; | ||
| 107 | |||
| 108 | static struct gpio_keys_platform_data eukrea_mbimxsd_button_data = { | ||
| 109 | .buttons = eukrea_mbimxsd_gpio_buttons, | ||
| 110 | .nbuttons = ARRAY_SIZE(eukrea_mbimxsd_gpio_buttons), | ||
| 111 | }; | ||
| 112 | |||
| 113 | static struct platform_device eukrea_mbimxsd_button_device = { | ||
| 114 | .name = "gpio-keys", | ||
| 115 | .id = -1, | ||
| 116 | .num_resources = 0, | ||
| 117 | .dev = { | ||
| 118 | .platform_data = &eukrea_mbimxsd_button_data, | ||
| 119 | } | ||
| 120 | }; | ||
| 121 | |||
| 122 | static struct platform_device *platform_devices[] __initdata = { | ||
| 123 | &eukrea_mbimxsd_leds_gpio, | ||
| 124 | &eukrea_mbimxsd_button_device, | ||
| 125 | }; | ||
| 126 | |||
| 127 | static const struct imxuart_platform_data uart_pdata __initconst = { | ||
| 128 | .flags = IMXUART_HAVE_RTSCTS, | ||
| 129 | }; | ||
| 130 | |||
| 131 | static struct i2c_board_info eukrea_mbimxsd_i2c_devices[] = { | ||
| 132 | { | ||
| 133 | I2C_BOARD_INFO("tlv320aic23", 0x1a), | ||
| 134 | }, | ||
| 135 | }; | ||
| 136 | |||
| 137 | /* | ||
| 138 | * system init for baseboard usage. Will be called by cpuimx51sd init. | ||
| 139 | * | ||
| 140 | * Add platform devices present on this baseboard and init | ||
| 141 | * them from CPU side as far as required to use them later on | ||
| 142 | */ | ||
| 143 | void __init eukrea_mbimxsd51_baseboard_init(void) | ||
| 144 | { | ||
| 145 | if (mxc_iomux_v3_setup_multiple_pads(eukrea_mbimxsd_pads, | ||
| 146 | ARRAY_SIZE(eukrea_mbimxsd_pads))) | ||
| 147 | printk(KERN_ERR "error setting mbimxsd pads !\n"); | ||
| 148 | |||
| 149 | imx51_add_imx_uart(1, NULL); | ||
| 150 | imx51_add_imx_uart(2, &uart_pdata); | ||
| 151 | |||
| 152 | imx51_add_esdhc(0, NULL); | ||
| 153 | |||
| 154 | gpio_request(GPIO_LED1, "LED1"); | ||
| 155 | gpio_direction_output(GPIO_LED1, 1); | ||
| 156 | gpio_free(GPIO_LED1); | ||
| 157 | |||
| 158 | gpio_request(GPIO_SWITCH1, "SWITCH1"); | ||
| 159 | gpio_direction_input(GPIO_SWITCH1); | ||
| 160 | gpio_free(GPIO_SWITCH1); | ||
| 161 | |||
| 162 | i2c_register_board_info(0, eukrea_mbimxsd_i2c_devices, | ||
| 163 | ARRAY_SIZE(eukrea_mbimxsd_i2c_devices)); | ||
| 164 | |||
| 165 | platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); | ||
| 166 | } | ||
