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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/arm/mach-pxa/littleton.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/mach-pxa/littleton.c')
-rw-r--r--arch/arm/mach-pxa/littleton.c462
1 files changed, 462 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/littleton.c b/arch/arm/mach-pxa/littleton.c
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+// 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