463 lines
11 KiB
C
463 lines
11 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
/*
|
|
* linux/arch/arm/mach-pxa/littleton.c
|
|
*
|
|
* Support for the Marvell Littleton Development Platform.
|
|
*
|
|
* Author: Jason Chagas (largely modified code)
|
|
* Created: Nov 20, 2006
|
|
* Copyright: (C) Copyright 2006 Marvell International Ltd.
|
|
*
|
|
* 2007-11-22 modified to align with latest kernel
|
|
* eric miao <eric.miao@marvell.com>
|
|
*/
|
|
|
|
#include <linux/init.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/clk.h>
|
|
#include <linux/gpio/machine.h>
|
|
#include <linux/spi/spi.h>
|
|
#include <linux/spi/pxa2xx_spi.h>
|
|
#include <linux/smc91x.h>
|
|
#include <linux/i2c.h>
|
|
#include <linux/leds.h>
|
|
#include <linux/mfd/da903x.h>
|
|
#include <linux/platform_data/max732x.h>
|
|
#include <linux/platform_data/i2c-pxa.h>
|
|
|
|
#include <asm/types.h>
|
|
#include <asm/setup.h>
|
|
#include <asm/memory.h>
|
|
#include <asm/mach-types.h>
|
|
#include <asm/irq.h>
|
|
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/map.h>
|
|
#include <asm/mach/irq.h>
|
|
|
|
#include "pxa300.h"
|
|
#include "devices.h"
|
|
#include <linux/platform_data/video-pxafb.h>
|
|
#include <linux/platform_data/mmc-pxamci.h>
|
|
#include <linux/platform_data/keypad-pxa27x.h>
|
|
#include "littleton.h"
|
|
#include <linux/platform_data/mtd-nand-pxa3xx.h>
|
|
|
|
#include "generic.h"
|
|
|
|
/* Littleton MFP configurations */
|
|
static mfp_cfg_t littleton_mfp_cfg[] __initdata = {
|
|
/* LCD */
|
|
GPIO54_LCD_LDD_0,
|
|
GPIO55_LCD_LDD_1,
|
|
GPIO56_LCD_LDD_2,
|
|
GPIO57_LCD_LDD_3,
|
|
GPIO58_LCD_LDD_4,
|
|
GPIO59_LCD_LDD_5,
|
|
GPIO60_LCD_LDD_6,
|
|
GPIO61_LCD_LDD_7,
|
|
GPIO62_LCD_LDD_8,
|
|
GPIO63_LCD_LDD_9,
|
|
GPIO64_LCD_LDD_10,
|
|
GPIO65_LCD_LDD_11,
|
|
GPIO66_LCD_LDD_12,
|
|
GPIO67_LCD_LDD_13,
|
|
GPIO68_LCD_LDD_14,
|
|
GPIO69_LCD_LDD_15,
|
|
GPIO70_LCD_LDD_16,
|
|
GPIO71_LCD_LDD_17,
|
|
GPIO72_LCD_FCLK,
|
|
GPIO73_LCD_LCLK,
|
|
GPIO74_LCD_PCLK,
|
|
GPIO75_LCD_BIAS,
|
|
|
|
/* SSP2 */
|
|
GPIO25_SSP2_SCLK,
|
|
GPIO27_SSP2_TXD,
|
|
GPIO17_GPIO, /* SFRM as chip-select */
|
|
|
|
/* Debug Ethernet */
|
|
GPIO90_GPIO,
|
|
|
|
/* Keypad */
|
|
GPIO107_KP_DKIN_0,
|
|
GPIO108_KP_DKIN_1,
|
|
GPIO115_KP_MKIN_0,
|
|
GPIO116_KP_MKIN_1,
|
|
GPIO117_KP_MKIN_2,
|
|
GPIO118_KP_MKIN_3,
|
|
GPIO119_KP_MKIN_4,
|
|
GPIO120_KP_MKIN_5,
|
|
GPIO121_KP_MKOUT_0,
|
|
GPIO122_KP_MKOUT_1,
|
|
GPIO123_KP_MKOUT_2,
|
|
GPIO124_KP_MKOUT_3,
|
|
GPIO125_KP_MKOUT_4,
|
|
|
|
/* MMC1 */
|
|
GPIO3_MMC1_DAT0,
|
|
GPIO4_MMC1_DAT1,
|
|
GPIO5_MMC1_DAT2,
|
|
GPIO6_MMC1_DAT3,
|
|
GPIO7_MMC1_CLK,
|
|
GPIO8_MMC1_CMD,
|
|
GPIO15_GPIO, /* card detect */
|
|
|
|
/* UART3 */
|
|
GPIO107_UART3_CTS,
|
|
GPIO108_UART3_RTS,
|
|
GPIO109_UART3_TXD,
|
|
GPIO110_UART3_RXD,
|
|
};
|
|
|
|
static struct resource smc91x_resources[] = {
|
|
[0] = {
|
|
.start = (LITTLETON_ETH_PHYS + 0x300),
|
|
.end = (LITTLETON_ETH_PHYS + 0xfffff),
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[1] = {
|
|
.start = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO90)),
|
|
.end = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO90)),
|
|
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
|
|
}
|
|
};
|
|
|
|
static struct smc91x_platdata littleton_smc91x_info = {
|
|
.flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT |
|
|
SMC91X_NOWAIT | SMC91X_USE_DMA,
|
|
};
|
|
|
|
static struct platform_device smc91x_device = {
|
|
.name = "smc91x",
|
|
.id = 0,
|
|
.num_resources = ARRAY_SIZE(smc91x_resources),
|
|
.resource = smc91x_resources,
|
|
.dev = {
|
|
.platform_data = &littleton_smc91x_info,
|
|
},
|
|
};
|
|
|
|
#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
|
|
static struct pxafb_mode_info tpo_tdo24mtea1_modes[] = {
|
|
[0] = {
|
|
/* VGA */
|
|
.pixclock = 38250,
|
|
.xres = 480,
|
|
.yres = 640,
|
|
.bpp = 16,
|
|
.hsync_len = 8,
|
|
.left_margin = 8,
|
|
.right_margin = 24,
|
|
.vsync_len = 2,
|
|
.upper_margin = 2,
|
|
.lower_margin = 4,
|
|
.sync = 0,
|
|
},
|
|
[1] = {
|
|
/* QVGA */
|
|
.pixclock = 153000,
|
|
.xres = 240,
|
|
.yres = 320,
|
|
.bpp = 16,
|
|
.hsync_len = 8,
|
|
.left_margin = 8,
|
|
.right_margin = 88,
|
|
.vsync_len = 2,
|
|
.upper_margin = 2,
|
|
.lower_margin = 2,
|
|
.sync = 0,
|
|
},
|
|
};
|
|
|
|
static struct pxafb_mach_info littleton_lcd_info = {
|
|
.modes = tpo_tdo24mtea1_modes,
|
|
.num_modes = 2,
|
|
.lcd_conn = LCD_COLOR_TFT_16BPP,
|
|
};
|
|
|
|
static void __init littleton_init_lcd(void)
|
|
{
|
|
pxa_set_fb_info(NULL, &littleton_lcd_info);
|
|
}
|
|
#else
|
|
static inline void littleton_init_lcd(void) {};
|
|
#endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
|
|
|
|
#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
|
|
static struct pxa2xx_spi_controller littleton_spi_info = {
|
|
.num_chipselect = 1,
|
|
};
|
|
|
|
static struct pxa2xx_spi_chip littleton_tdo24m_chip = {
|
|
.rx_threshold = 1,
|
|
.tx_threshold = 1,
|
|
};
|
|
|
|
static struct spi_board_info littleton_spi_devices[] __initdata = {
|
|
{
|
|
.modalias = "tdo24m",
|
|
.max_speed_hz = 1000000,
|
|
.bus_num = 2,
|
|
.chip_select = 0,
|
|
.controller_data= &littleton_tdo24m_chip,
|
|
},
|
|
};
|
|
|
|
static struct gpiod_lookup_table littleton_spi_gpio_table = {
|
|
.dev_id = "spi2",
|
|
.table = {
|
|
GPIO_LOOKUP_IDX("gpio-pxa", LITTLETON_GPIO_LCD_CS, "cs", 0, GPIO_ACTIVE_LOW),
|
|
{ },
|
|
},
|
|
};
|
|
|
|
static void __init littleton_init_spi(void)
|
|
{
|
|
gpiod_add_lookup_table(&littleton_spi_gpio_table);
|
|
pxa2xx_set_spi_info(2, &littleton_spi_info);
|
|
spi_register_board_info(ARRAY_AND_SIZE(littleton_spi_devices));
|
|
}
|
|
#else
|
|
static inline void littleton_init_spi(void) {}
|
|
#endif
|
|
|
|
#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
|
|
static const unsigned int littleton_matrix_key_map[] = {
|
|
/* KEY(row, col, key_code) */
|
|
KEY(1, 3, KEY_0), KEY(0, 0, KEY_1), KEY(1, 0, KEY_2), KEY(2, 0, KEY_3),
|
|
KEY(0, 1, KEY_4), KEY(1, 1, KEY_5), KEY(2, 1, KEY_6), KEY(0, 2, KEY_7),
|
|
KEY(1, 2, KEY_8), KEY(2, 2, KEY_9),
|
|
|
|
KEY(0, 3, KEY_KPASTERISK), /* * */
|
|
KEY(2, 3, KEY_KPDOT), /* # */
|
|
|
|
KEY(5, 4, KEY_ENTER),
|
|
|
|
KEY(5, 0, KEY_UP),
|
|
KEY(5, 1, KEY_DOWN),
|
|
KEY(5, 2, KEY_LEFT),
|
|
KEY(5, 3, KEY_RIGHT),
|
|
KEY(3, 2, KEY_HOME),
|
|
KEY(4, 1, KEY_END),
|
|
KEY(3, 3, KEY_BACK),
|
|
|
|
KEY(4, 0, KEY_SEND),
|
|
KEY(4, 2, KEY_VOLUMEUP),
|
|
KEY(4, 3, KEY_VOLUMEDOWN),
|
|
|
|
KEY(3, 0, KEY_F22), /* soft1 */
|
|
KEY(3, 1, KEY_F23), /* soft2 */
|
|
};
|
|
|
|
static struct matrix_keymap_data littleton_matrix_keymap_data = {
|
|
.keymap = littleton_matrix_key_map,
|
|
.keymap_size = ARRAY_SIZE(littleton_matrix_key_map),
|
|
};
|
|
|
|
static struct pxa27x_keypad_platform_data littleton_keypad_info = {
|
|
.matrix_key_rows = 6,
|
|
.matrix_key_cols = 5,
|
|
.matrix_keymap_data = &littleton_matrix_keymap_data,
|
|
|
|
.enable_rotary0 = 1,
|
|
.rotary0_up_key = KEY_UP,
|
|
.rotary0_down_key = KEY_DOWN,
|
|
|
|
.debounce_interval = 30,
|
|
};
|
|
static void __init littleton_init_keypad(void)
|
|
{
|
|
pxa_set_keypad_info(&littleton_keypad_info);
|
|
}
|
|
#else
|
|
static inline void littleton_init_keypad(void) {}
|
|
#endif
|
|
|
|
#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
|
|
static struct pxamci_platform_data littleton_mci_platform_data = {
|
|
.detect_delay_ms = 200,
|
|
.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
|
|
};
|
|
|
|
static struct gpiod_lookup_table littleton_mci_gpio_table = {
|
|
.dev_id = "pxa2xx-mci.0",
|
|
.table = {
|
|
/* Card detect on MFP (gpio-pxa) GPIO 15 */
|
|
GPIO_LOOKUP("gpio-pxa", MFP_PIN_GPIO15,
|
|
"cd", GPIO_ACTIVE_LOW),
|
|
{ },
|
|
},
|
|
};
|
|
|
|
static void __init littleton_init_mmc(void)
|
|
{
|
|
gpiod_add_lookup_table(&littleton_mci_gpio_table);
|
|
pxa_set_mci_info(&littleton_mci_platform_data);
|
|
}
|
|
#else
|
|
static inline void littleton_init_mmc(void) {}
|
|
#endif
|
|
|
|
#if IS_ENABLED(CONFIG_MTD_NAND_MARVELL)
|
|
static struct mtd_partition littleton_nand_partitions[] = {
|
|
[0] = {
|
|
.name = "Bootloader",
|
|
.offset = 0,
|
|
.size = 0x060000,
|
|
.mask_flags = MTD_WRITEABLE, /* force read-only */
|
|
},
|
|
[1] = {
|
|
.name = "Kernel",
|
|
.offset = 0x060000,
|
|
.size = 0x200000,
|
|
.mask_flags = MTD_WRITEABLE, /* force read-only */
|
|
},
|
|
[2] = {
|
|
.name = "Filesystem",
|
|
.offset = 0x0260000,
|
|
.size = 0x3000000, /* 48M - rootfs */
|
|
},
|
|
[3] = {
|
|
.name = "MassStorage",
|
|
.offset = 0x3260000,
|
|
.size = 0x3d40000,
|
|
},
|
|
[4] = {
|
|
.name = "BBT",
|
|
.offset = 0x6FA0000,
|
|
.size = 0x80000,
|
|
.mask_flags = MTD_WRITEABLE, /* force read-only */
|
|
},
|
|
/* NOTE: we reserve some blocks at the end of the NAND flash for
|
|
* bad block management, and the max number of relocation blocks
|
|
* differs on different platforms. Please take care with it when
|
|
* defining the partition table.
|
|
*/
|
|
};
|
|
|
|
static struct pxa3xx_nand_platform_data littleton_nand_info = {
|
|
.parts = littleton_nand_partitions,
|
|
.nr_parts = ARRAY_SIZE(littleton_nand_partitions),
|
|
};
|
|
|
|
static void __init littleton_init_nand(void)
|
|
{
|
|
pxa3xx_set_nand_info(&littleton_nand_info);
|
|
}
|
|
#else
|
|
static inline void littleton_init_nand(void) {}
|
|
#endif /* IS_ENABLED(CONFIG_MTD_NAND_MARVELL) */
|
|
|
|
#if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
|
|
static struct led_info littleton_da9034_leds[] = {
|
|
[0] = {
|
|
.name = "littleton:keypad1",
|
|
.flags = DA9034_LED_RAMP,
|
|
},
|
|
[1] = {
|
|
.name = "littleton:keypad2",
|
|
.flags = DA9034_LED_RAMP,
|
|
},
|
|
[2] = {
|
|
.name = "littleton:vibra",
|
|
.flags = 0,
|
|
},
|
|
};
|
|
|
|
static struct da9034_touch_pdata littleton_da9034_touch = {
|
|
.x_inverted = 1,
|
|
.interval_ms = 20,
|
|
};
|
|
|
|
static struct da903x_subdev_info littleton_da9034_subdevs[] = {
|
|
{
|
|
.name = "da903x-led",
|
|
.id = DA9034_ID_LED_1,
|
|
.platform_data = &littleton_da9034_leds[0],
|
|
}, {
|
|
.name = "da903x-led",
|
|
.id = DA9034_ID_LED_2,
|
|
.platform_data = &littleton_da9034_leds[1],
|
|
}, {
|
|
.name = "da903x-led",
|
|
.id = DA9034_ID_VIBRA,
|
|
.platform_data = &littleton_da9034_leds[2],
|
|
}, {
|
|
.name = "da903x-backlight",
|
|
.id = DA9034_ID_WLED,
|
|
}, {
|
|
.name = "da9034-touch",
|
|
.id = DA9034_ID_TOUCH,
|
|
.platform_data = &littleton_da9034_touch,
|
|
},
|
|
};
|
|
|
|
static struct da903x_platform_data littleton_da9034_info = {
|
|
.num_subdevs = ARRAY_SIZE(littleton_da9034_subdevs),
|
|
.subdevs = littleton_da9034_subdevs,
|
|
};
|
|
|
|
static struct max732x_platform_data littleton_max7320_info = {
|
|
.gpio_base = EXT0_GPIO_BASE,
|
|
};
|
|
|
|
static struct i2c_board_info littleton_i2c_info[] = {
|
|
[0] = {
|
|
.type = "da9034",
|
|
.addr = 0x34,
|
|
.platform_data = &littleton_da9034_info,
|
|
.irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO18)),
|
|
},
|
|
[1] = {
|
|
.type = "max7320",
|
|
.addr = 0x50,
|
|
.platform_data = &littleton_max7320_info,
|
|
},
|
|
};
|
|
|
|
static void __init littleton_init_i2c(void)
|
|
{
|
|
pxa_set_i2c_info(NULL);
|
|
i2c_register_board_info(0, ARRAY_AND_SIZE(littleton_i2c_info));
|
|
}
|
|
#else
|
|
static inline void littleton_init_i2c(void) {}
|
|
#endif /* CONFIG_I2C_PXA || CONFIG_I2C_PXA_MODULE */
|
|
|
|
static void __init littleton_init(void)
|
|
{
|
|
/* initialize MFP configurations */
|
|
pxa3xx_mfp_config(ARRAY_AND_SIZE(littleton_mfp_cfg));
|
|
|
|
pxa_set_ffuart_info(NULL);
|
|
pxa_set_btuart_info(NULL);
|
|
pxa_set_stuart_info(NULL);
|
|
|
|
/*
|
|
* Note: we depend bootloader set the correct
|
|
* value to MSC register for SMC91x.
|
|
*/
|
|
platform_device_register(&smc91x_device);
|
|
|
|
littleton_init_spi();
|
|
littleton_init_i2c();
|
|
littleton_init_mmc();
|
|
littleton_init_lcd();
|
|
littleton_init_keypad();
|
|
littleton_init_nand();
|
|
}
|
|
|
|
MACHINE_START(LITTLETON, "Marvell Form Factor Development Platform (aka Littleton)")
|
|
.atag_offset = 0x100,
|
|
.map_io = pxa3xx_map_io,
|
|
.nr_irqs = LITTLETON_NR_IRQS,
|
|
.init_irq = pxa3xx_init_irq,
|
|
.handle_irq = pxa3xx_handle_irq,
|
|
.init_time = pxa_timer_init,
|
|
.init_machine = littleton_init,
|
|
.restart = pxa_restart,
|
|
MACHINE_END
|