diff options
Diffstat (limited to 'arch/arm/mach-mxs')
| -rw-r--r-- | arch/arm/mach-mxs/Kconfig | 10 | ||||
| -rw-r--r-- | arch/arm/mach-mxs/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-mxs/mach-stmp378x_devb.c | 120 |
3 files changed, 131 insertions, 0 deletions
diff --git a/arch/arm/mach-mxs/Kconfig b/arch/arm/mach-mxs/Kconfig index 4522fbb..edacefa 100644 --- a/arch/arm/mach-mxs/Kconfig +++ b/arch/arm/mach-mxs/Kconfig @@ -17,6 +17,16 @@ config SOC_IMX28 comment "MXS platforms:" +config MACH_STMP378X_DEVB + bool "Support STMP378x_devb Platform" + select SOC_IMX23 + select MXS_HAVE_AMBA_DUART + select MXS_HAVE_PLATFORM_AUART + select MXS_HAVE_PLATFORM_MXS_MMC + help + Include support for STMP378x-devb platform. This includes specific + configurations for the board and its peripherals. + config MACH_MX23EVK bool "Support MX23EVK Platform" select SOC_IMX23 diff --git a/arch/arm/mach-mxs/Makefile b/arch/arm/mach-mxs/Makefile index 2f1f614..58e8923 100644 --- a/arch/arm/mach-mxs/Makefile +++ b/arch/arm/mach-mxs/Makefile @@ -7,6 +7,7 @@ obj-$(CONFIG_PM) += pm.o obj-$(CONFIG_SOC_IMX23) += clock-mx23.o mm-mx23.o obj-$(CONFIG_SOC_IMX28) += clock-mx28.o mm-mx28.o +obj-$(CONFIG_MACH_STMP378X_DEVB) += mach-stmp378x_devb.o obj-$(CONFIG_MACH_MX23EVK) += mach-mx23evk.o obj-$(CONFIG_MACH_MX28EVK) += mach-mx28evk.o obj-$(CONFIG_MODULE_TX28) += module-tx28.o diff --git a/arch/arm/mach-mxs/mach-stmp378x_devb.c b/arch/arm/mach-mxs/mach-stmp378x_devb.c new file mode 100644 index 0000000..7f38d82 --- /dev/null +++ b/arch/arm/mach-mxs/mach-stmp378x_devb.c @@ -0,0 +1,120 @@ +/* + * board setup for STMP378x-Development-Board + * + * based on mx23evk board setup and information gained form the original + * plat-stmp based board setup, now converted to mach-mxs. + * + * Copyright 2010 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright (C) 2011 Wolfram Sang, Pengutronix e.K. + * + * 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; version 2 of the License. + * + * 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/platform_device.h> +#include <linux/gpio.h> +#include <linux/irq.h> +#include <linux/spi/spi.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/time.h> + +#include <mach/common.h> +#include <mach/iomux-mx23.h> + +#include "devices-mx23.h" + +#define STMP378X_DEVB_MMC0_WRITE_PROTECT MXS_GPIO_NR(1, 30) +#define STMP378X_DEVB_MMC0_SLOT_POWER MXS_GPIO_NR(1, 29) + +#define STMP378X_DEVB_PAD_AUART (MXS_PAD_4MA | MXS_PAD_1V8 | MXS_PAD_NOPULL) + +static const iomux_cfg_t stmp378x_dvb_pads[] __initconst = { + /* duart (extended setup missing in old boardcode, too */ + MX23_PAD_PWM0__DUART_RX, + MX23_PAD_PWM1__DUART_TX, + + /* auart */ + MX23_PAD_AUART1_RX__AUART1_RX | STMP378X_DEVB_PAD_AUART, + MX23_PAD_AUART1_TX__AUART1_TX | STMP378X_DEVB_PAD_AUART, + MX23_PAD_AUART1_CTS__AUART1_CTS | STMP378X_DEVB_PAD_AUART, + MX23_PAD_AUART1_RTS__AUART1_RTS | STMP378X_DEVB_PAD_AUART, + + /* mmc */ + MX23_PAD_SSP1_DATA0__SSP1_DATA0 | + (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX23_PAD_SSP1_DATA1__SSP1_DATA1 | + (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX23_PAD_SSP1_DATA2__SSP1_DATA2 | + (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX23_PAD_SSP1_DATA3__SSP1_DATA3 | + (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX23_PAD_SSP1_CMD__SSP1_CMD | + (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX23_PAD_SSP1_DETECT__SSP1_DETECT | + (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL), + MX23_PAD_SSP1_SCK__SSP1_SCK | + (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL), + MX23_PAD_PWM4__GPIO_1_30 | MXS_PAD_CTRL, /* write protect */ + MX23_PAD_PWM3__GPIO_1_29 | MXS_PAD_CTRL, /* power enable */ +}; + +static struct mxs_mmc_platform_data stmp378x_dvb_mmc_pdata __initdata = { + .wp_gpio = STMP378X_DEVB_MMC0_WRITE_PROTECT, +}; + +static struct spi_board_info spi_board_info[] __initdata = { +#if defined(CONFIG_ENC28J60) || defined(CONFIG_ENC28J60_MODULE) + { + .modalias = "enc28j60", + .max_speed_hz = 6 * 1000 * 1000, + .bus_num = 1, + .chip_select = 0, + .platform_data = NULL, + }, +#endif +}; + +static void __init stmp378x_dvb_init(void) +{ + int ret; + + mxs_iomux_setup_multiple_pads(stmp378x_dvb_pads, + ARRAY_SIZE(stmp378x_dvb_pads)); + + mx23_add_duart(); + mx23_add_auart0(); + + /* power on mmc slot */ + ret = gpio_request_one(STMP378X_DEVB_MMC0_SLOT_POWER, + GPIOF_OUT_INIT_LOW, "mmc0-slot-power"); + if (ret) + pr_warn("could not power mmc (%d)\n", ret); + + mx23_add_mxs_mmc(0, &stmp378x_dvb_mmc_pdata); + + spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info)); +} + +static void __init stmp378x_dvb_timer_init(void) +{ + mx23_clocks_init(); +} + +static struct sys_timer stmp378x_dvb_timer = { + .init = stmp378x_dvb_timer_init, +}; + +MACHINE_START(STMP378X, "STMP378X") + .map_io = mx23_map_io, + .init_irq = mx23_init_irq, + .init_machine = stmp378x_dvb_init, + .timer = &stmp378x_dvb_timer, +MACHINE_END |
