diff options
Diffstat (limited to 'arch/arm/mach-pxa/littleton.c')
| -rw-r--r-- | arch/arm/mach-pxa/littleton.c | 462 |
1 files changed, 462 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/littleton.c b/arch/arm/mach-pxa/littleton.c new file mode 100644 index 000000000..98423a96f --- /dev/null +++ b/arch/arm/mach-pxa/littleton.c @@ -0,0 +1,462 @@ +// 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 |