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linux/arch/arm/mach-imx/mach-mx31lilly.c
Vladimir Zapolskiy 7880dcb259 ARM: imx legacy: mx31lilly: move peripheral initialization to .init_late 
The change moves some of peripheral registrations and initializations
(all peripherals dependent on GPIOs) from .init_machine to .init_late
level, this allows to safely shift the shared GPIO controller driver
initialization level after init level of i.MX IOMUXC driver.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2016-09-20 22:34:54 +08:00

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/*
* 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 "board-mx31lilly.h"
#include "common.h"
#include "devices-imx31.h"
#include "ehci.h"
#include "hardware.h"
#include "iomux-mx3.h"
#include "ulpi.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.
*/
static unsigned int mx31lilly_pins[] __initdata = {
MX31_PIN_CTS1__CTS1,
MX31_PIN_RTS1__RTS1,
MX31_PIN_TXD1__TXD1,
MX31_PIN_RXD1__RXD1,
MX31_PIN_CTS2__CTS2,
MX31_PIN_RTS2__RTS2,
MX31_PIN_TXD2__TXD2,
MX31_PIN_RXD2__RXD2,
MX31_PIN_CSPI3_MOSI__RXD3,
MX31_PIN_CSPI3_MISO__TXD3,
MX31_PIN_CSPI3_SCLK__RTS3,
MX31_PIN_CSPI3_SPI_RDY__CTS3,
};
/* UART */
static const struct imxuart_platform_data uart_pdata __initconst = {
.flags = IMXUART_HAVE_RTSCTS,
};
/* 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();
mxc_iomux_setup_multiple_pins(mx31lilly_pins,
ARRAY_SIZE(mx31lilly_pins), "mx31lily");
imx31_add_imx_uart0(&uart_pdata);
imx31_add_imx_uart1(&uart_pdata);
imx31_add_imx_uart2(&uart_pdata);
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);
regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
}
static void __init mx31lilly_late_init(void)
{
if (mx31lilly_baseboard == MX31LILLY_DB)
mx31lilly_db_init();
mc13783_dev.irq = gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3));
spi_register_board_info(&mc13783_dev, 1);
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);
}
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,
.init_time = mx31lilly_timer_init,
.init_machine = mx31lilly_board_init,
.init_late = mx31lilly_late_init,
.restart = mxc_restart,
MACHINE_END
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