// SPDX-License-Identifier: GPL-2.0-or-later /* * arch/arm/mach-ep93xx/simone.c * Simplemachines Sim.One support. * * Copyright (C) 2010 Ryan Mallon * * Based on the 2.6.24.7 support: * Copyright (C) 2009 Simplemachines * MMC support by Peter Ivanov , 2007 */ #include #include #include #include #include #include #include #include #include #include #include #include "hardware.h" #include "gpio-ep93xx.h" #include #include #include "soc.h" static struct ep93xx_eth_data __initdata simone_eth_data = { .phy_id = 1, }; static struct ep93xxfb_mach_info __initdata simone_fb_info = { .flags = EP93XXFB_USE_SDCSN0 | EP93XXFB_PCLK_FALLING, }; static struct mmc_spi_platform_data simone_mmc_spi_data = { .detect_delay = 500, .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, }; static struct gpiod_lookup_table simone_mmc_spi_gpio_table = { .dev_id = "mmc_spi.0", /* "mmc_spi" @ CS0 */ .table = { /* Card detect */ GPIO_LOOKUP_IDX("A", 0, NULL, 0, GPIO_ACTIVE_LOW), { }, }, }; static struct spi_board_info simone_spi_devices[] __initdata = { { .modalias = "mmc_spi", .platform_data = &simone_mmc_spi_data, /* * We use 10 MHz even though the maximum is 3.7 MHz. The driver * will limit it automatically to max. frequency. */ .max_speed_hz = 10 * 1000 * 1000, .bus_num = 0, .chip_select = 0, .mode = SPI_MODE_3, }, }; /* * Up to v1.3, the Sim.One used SFRMOUT as SD card chip select, but this goes * low between multi-message command blocks. From v1.4, it uses a GPIO instead. * v1.3 parts will still work, since the signal on SFRMOUT is automatic. */ static struct gpiod_lookup_table simone_spi_cs_gpio_table = { .dev_id = "spi0", .table = { GPIO_LOOKUP("A", 1, "cs", GPIO_ACTIVE_LOW), { }, }, }; static struct ep93xx_spi_info simone_spi_info __initdata = { .use_dma = 1, }; static struct i2c_board_info __initdata simone_i2c_board_info[] = { { I2C_BOARD_INFO("ds1337", 0x68), }, }; static struct platform_device simone_audio_device = { .name = "simone-audio", .id = -1, }; static void __init simone_register_audio(void) { ep93xx_register_ac97(); platform_device_register(&simone_audio_device); } static void __init simone_init_machine(void) { ep93xx_init_devices(); ep93xx_register_flash(2, EP93XX_CS6_PHYS_BASE, SZ_8M); ep93xx_register_eth(&simone_eth_data, 1); ep93xx_register_fb(&simone_fb_info); ep93xx_register_i2c(simone_i2c_board_info, ARRAY_SIZE(simone_i2c_board_info)); gpiod_add_lookup_table(&simone_mmc_spi_gpio_table); gpiod_add_lookup_table(&simone_spi_cs_gpio_table); ep93xx_register_spi(&simone_spi_info, simone_spi_devices, ARRAY_SIZE(simone_spi_devices)); simone_register_audio(); } MACHINE_START(SIM_ONE, "Simplemachines Sim.One Board") /* Maintainer: Ryan Mallon */ .atag_offset = 0x100, .nr_irqs = NR_EP93XX_IRQS, .map_io = ep93xx_map_io, .init_irq = ep93xx_init_irq, .init_time = ep93xx_timer_init, .init_machine = simone_init_machine, .restart = ep93xx_restart, MACHINE_END