/* * LILLY-1131 module support * * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de> * * based on code for other MX31 boards, * * Copyright 2005-2007 Freescale Semiconductor * Copyright (c) 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com> * Copyright (C) 2009 Valentin Longchamp, EPFL Mobots group * * 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/types.h> #include <linux/init.h> #include <linux/clk.h> #include <linux/gpio.h> #include <linux/delay.h> #include <linux/platform_device.h> #include <linux/interrupt.h> #include <linux/moduleparam.h> #include <linux/smsc911x.h> #include <linux/mtd/physmap.h> #include <linux/spi/spi.h> #include <linux/mfd/mc13783.h> #include <linux/usb/otg.h> #include <linux/usb/ulpi.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 <asm/mach/map.h> #include <mach/hardware.h> #include <mach/common.h> #include <mach/iomux-mx3.h> #include <mach/board-mx31lilly.h> #include <mach/ulpi.h> #include "devices-imx31.h" /* * This file contains module-specific initialization routines for LILLY-1131. * Initialization of peripherals found on the baseboard is implemented in the * appropriate baseboard support code. */ /* SMSC ethernet support */ static struct resource smsc91x_resources[] = { { .start = MX31_CS4_BASE_ADDR, .end = MX31_CS4_BASE_ADDR + 0xffff, .flags = IORESOURCE_MEM, }, { /* irq number is run-time assigned */ .flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING, } }; static struct smsc911x_platform_config smsc911x_config = { .phy_interface = PHY_INTERFACE_MODE_MII, .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN, .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS | SMSC911X_FORCE_INTERNAL_PHY, }; static struct platform_device smsc91x_device = { .name = "smsc911x", .id = -1, .num_resources = ARRAY_SIZE(smsc91x_resources), .resource = smsc91x_resources, .dev = { .platform_data = &smsc911x_config, } }; /* NOR flash */ static struct physmap_flash_data nor_flash_data = { .width = 2, }; static struct resource nor_flash_resource = { .start = 0xa0000000, .end = 0xa1ffffff, .flags = IORESOURCE_MEM, }; static struct platform_device physmap_flash_device = { .name = "physmap-flash", .id = 0, .dev = { .platform_data = &nor_flash_data, }, .resource = &nor_flash_resource, .num_resources = 1, }; /* USB */ #define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \ PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU) static int usbh1_init(struct platform_device *pdev) { int pins[] = { MX31_PIN_CSPI1_MOSI__USBH1_RXDM, MX31_PIN_CSPI1_MISO__USBH1_RXDP, MX31_PIN_CSPI1_SS0__USBH1_TXDM, MX31_PIN_CSPI1_SS1__USBH1_TXDP, MX31_PIN_CSPI1_SS2__USBH1_RCV, MX31_PIN_CSPI1_SCLK__USBH1_OEB, MX31_PIN_CSPI1_SPI_RDY__USBH1_FS, }; mxc_iomux_setup_multiple_pins(pins, ARRAY_SIZE(pins), "USB H1"); mxc_iomux_set_pad(MX31_PIN_CSPI1_MOSI, USB_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_CSPI1_MISO, USB_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_CSPI1_SS0, USB_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_CSPI1_SS1, USB_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_CSPI1_SS2, USB_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_CSPI1_SCLK, USB_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_CSPI1_SPI_RDY, USB_PAD_CFG); mxc_iomux_set_gpr(MUX_PGP_USB_SUSPEND, true); mdelay(10); return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED | MXC_EHCI_INTERFACE_SINGLE_UNI); } static int usbh2_init(struct platform_device *pdev) { int pins[] = { MX31_PIN_USBH2_DATA0__USBH2_DATA0, MX31_PIN_USBH2_DATA1__USBH2_DATA1, MX31_PIN_USBH2_CLK__USBH2_CLK, MX31_PIN_USBH2_DIR__USBH2_DIR, MX31_PIN_USBH2_NXT__USBH2_NXT, MX31_PIN_USBH2_STP__USBH2_STP, }; mxc_iomux_setup_multiple_pins(pins, ARRAY_SIZE(pins), "USB H2"); mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG); mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG); mxc_iomux_set_gpr(MUX_PGP_UH2, true); /* chip select */ mxc_iomux_alloc_pin(IOMUX_MODE(MX31_PIN_DTR_DCE1, IOMUX_CONFIG_GPIO), "USBH2_CS"); gpio_request(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1), "USBH2 CS"); gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1), 0); mdelay(10); return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED); } static const struct mxc_usbh_platform_data usbh1_pdata __initconst = { .init = usbh1_init, .portsc = MXC_EHCI_MODE_UTMI | MXC_EHCI_SERIAL, }; static struct mxc_usbh_platform_data usbh2_pdata __initdata = { .init = usbh2_init, .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT, }; static void __init lilly1131_usb_init(void) { imx31_add_mxc_ehci_hs(1, &usbh1_pdata); usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT); if (usbh2_pdata.otg) imx31_add_mxc_ehci_hs(2, &usbh2_pdata); } /* SPI */ static int spi_internal_chipselect[] = { MXC_SPI_CS(0), MXC_SPI_CS(1), MXC_SPI_CS(2), }; static const struct spi_imx_master spi0_pdata __initconst = { .chipselect = spi_internal_chipselect, .num_chipselect = ARRAY_SIZE(spi_internal_chipselect), }; static const struct spi_imx_master spi1_pdata __initconst = { .chipselect = spi_internal_chipselect, .num_chipselect = ARRAY_SIZE(spi_internal_chipselect), }; static struct mc13xxx_platform_data mc13783_pdata __initdata = { .flags = MC13XXX_USE_RTC | MC13XXX_USE_TOUCHSCREEN, }; static struct spi_board_info mc13783_dev __initdata = { .modalias = "mc13783", .max_speed_hz = 1000000, .bus_num = 1, .chip_select = 0, .platform_data = &mc13783_pdata, /* irq number is run-time assigned */ }; static struct platform_device *devices[] __initdata = { &smsc91x_device, &physmap_flash_device, }; static int mx31lilly_baseboard; core_param(mx31lilly_baseboard, mx31lilly_baseboard, int, 0444); static struct regulator_consumer_supply dummy_supplies[] = { REGULATOR_SUPPLY("vdd33a", "smsc911x"), REGULATOR_SUPPLY("vddvario", "smsc911x"), }; static void __init mx31lilly_board_init(void) { imx31_soc_init(); switch (mx31lilly_baseboard) { case MX31LILLY_NOBOARD: break; case MX31LILLY_DB: mx31lilly_db_init(); break; default: printk(KERN_ERR "Illegal mx31lilly_baseboard type %d\n", mx31lilly_baseboard); } mxc_iomux_alloc_pin(MX31_PIN_CS4__CS4, "Ethernet CS"); /* SPI */ mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SCLK__SCLK, "SPI1_CLK"); mxc_iomux_alloc_pin(MX31_PIN_CSPI1_MOSI__MOSI, "SPI1_TX"); mxc_iomux_alloc_pin(MX31_PIN_CSPI1_MISO__MISO, "SPI1_RX"); mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SPI_RDY__SPI_RDY, "SPI1_RDY"); mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS0__SS0, "SPI1_SS0"); mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS1__SS1, "SPI1_SS1"); mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS2__SS2, "SPI1_SS2"); mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SCLK__SCLK, "SPI2_CLK"); mxc_iomux_alloc_pin(MX31_PIN_CSPI2_MOSI__MOSI, "SPI2_TX"); mxc_iomux_alloc_pin(MX31_PIN_CSPI2_MISO__MISO, "SPI2_RX"); mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SPI_RDY__SPI_RDY, "SPI2_RDY"); mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS0__SS0, "SPI2_SS0"); mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS1__SS1, "SPI2_SS1"); mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS2__SS2, "SPI2_SS2"); imx31_add_spi_imx0(&spi0_pdata); imx31_add_spi_imx1(&spi1_pdata); mc13783_dev.irq = gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3)); spi_register_board_info(&mc13783_dev, 1); regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); smsc91x_resources[1].start = gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_0)); smsc91x_resources[1].end = gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_0)); platform_add_devices(devices, ARRAY_SIZE(devices)); /* USB */ lilly1131_usb_init(); } static void __init mx31lilly_timer_init(void) { mx31_clocks_init(26000000); } static struct sys_timer mx31lilly_timer = { .init = mx31lilly_timer_init, }; MACHINE_START(LILLY1131, "INCO startec LILLY-1131") .atag_offset = 0x100, .map_io = mx31_map_io, .init_early = imx31_init_early, .init_irq = mx31_init_irq, .handle_irq = imx31_handle_irq, .timer = &mx31lilly_timer, .init_machine = mx31lilly_board_init, .restart = mxc_restart, MACHINE_END