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-rw-r--r--arch/arm/mach-pxa/palmt5.c234
1 files changed, 234 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/palmt5.c b/arch/arm/mach-pxa/palmt5.c
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index 000000000..463b62ec1
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+++ b/arch/arm/mach-pxa/palmt5.c
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+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Hardware definitions for Palm Tungsten|T5
+ *
+ * Author: Marek Vasut <marek.vasut@gmail.com>
+ *
+ * Based on work of:
+ * Ales Snuparek <snuparek@atlas.cz>
+ * Justin Kendrick <twilightsentry@gmail.com>
+ * RichardT5 <richard_t5@users.sourceforge.net>
+ *
+ * (find more info at www.hackndev.com)
+ */
+
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/irq.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+#include <linux/memblock.h>
+#include <linux/pda_power.h>
+#include <linux/pwm_backlight.h>
+#include <linux/gpio.h>
+#include <linux/wm97xx.h>
+#include <linux/power_supply.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include "pxa27x.h"
+#include <linux/platform_data/asoc-pxa.h>
+#include "palmt5.h"
+#include <linux/platform_data/mmc-pxamci.h>
+#include <linux/platform_data/video-pxafb.h>
+#include <linux/platform_data/irda-pxaficp.h>
+#include <linux/platform_data/keypad-pxa27x.h>
+#include "udc.h"
+#include <linux/platform_data/asoc-palm27x.h>
+#include "palm27x.h"
+
+#include "generic.h"
+#include "devices.h"
+
+/******************************************************************************
+ * Pin configuration
+ ******************************************************************************/
+static unsigned long palmt5_pin_config[] __initdata = {
+ /* MMC */
+ GPIO32_MMC_CLK,
+ GPIO92_MMC_DAT_0,
+ GPIO109_MMC_DAT_1,
+ GPIO110_MMC_DAT_2,
+ GPIO111_MMC_DAT_3,
+ GPIO112_MMC_CMD,
+ GPIO14_GPIO, /* SD detect */
+ GPIO114_GPIO, /* SD power */
+ GPIO115_GPIO, /* SD r/o switch */
+
+ /* AC97 */
+ GPIO28_AC97_BITCLK,
+ GPIO29_AC97_SDATA_IN_0,
+ GPIO30_AC97_SDATA_OUT,
+ GPIO31_AC97_SYNC,
+ GPIO89_AC97_SYSCLK,
+ GPIO95_AC97_nRESET,
+
+ /* IrDA */
+ GPIO40_GPIO, /* ir disable */
+ GPIO46_FICP_RXD,
+ GPIO47_FICP_TXD,
+
+ /* USB */
+ GPIO15_GPIO, /* usb detect */
+ GPIO93_GPIO, /* usb power */
+
+ /* MATRIX KEYPAD */
+ GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
+ GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
+ GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
+ GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
+ GPIO103_KP_MKOUT_0,
+ GPIO104_KP_MKOUT_1,
+ GPIO105_KP_MKOUT_2,
+
+ /* LCD */
+ GPIOxx_LCD_TFT_16BPP,
+
+ /* PWM */
+ GPIO16_PWM0_OUT,
+
+ /* FFUART */
+ GPIO34_FFUART_RXD,
+ GPIO39_FFUART_TXD,
+
+ /* MISC */
+ GPIO10_GPIO, /* hotsync button */
+ GPIO90_GPIO, /* power detect */
+ GPIO107_GPIO, /* earphone detect */
+};
+
+/******************************************************************************
+ * GPIO keyboard
+ ******************************************************************************/
+#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
+static const unsigned int palmt5_matrix_keys[] = {
+ KEY(0, 0, KEY_POWER),
+ KEY(0, 1, KEY_F1),
+ KEY(0, 2, KEY_ENTER),
+
+ KEY(1, 0, KEY_F2),
+ KEY(1, 1, KEY_F3),
+ KEY(1, 2, KEY_F4),
+
+ KEY(2, 0, KEY_UP),
+ KEY(2, 2, KEY_DOWN),
+
+ KEY(3, 0, KEY_RIGHT),
+ KEY(3, 2, KEY_LEFT),
+};
+
+static struct matrix_keymap_data palmt5_matrix_keymap_data = {
+ .keymap = palmt5_matrix_keys,
+ .keymap_size = ARRAY_SIZE(palmt5_matrix_keys),
+};
+
+static struct pxa27x_keypad_platform_data palmt5_keypad_platform_data = {
+ .matrix_key_rows = 4,
+ .matrix_key_cols = 3,
+ .matrix_keymap_data = &palmt5_matrix_keymap_data,
+
+ .debounce_interval = 30,
+};
+
+static void __init palmt5_kpc_init(void)
+{
+ pxa_set_keypad_info(&palmt5_keypad_platform_data);
+}
+#else
+static inline void palmt5_kpc_init(void) {}
+#endif
+
+/******************************************************************************
+ * GPIO keys
+ ******************************************************************************/
+#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
+static struct gpio_keys_button palmt5_pxa_buttons[] = {
+ {KEY_F8, GPIO_NR_PALMT5_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
+};
+
+static struct gpio_keys_platform_data palmt5_pxa_keys_data = {
+ .buttons = palmt5_pxa_buttons,
+ .nbuttons = ARRAY_SIZE(palmt5_pxa_buttons),
+};
+
+static struct platform_device palmt5_pxa_keys = {
+ .name = "gpio-keys",
+ .id = -1,
+ .dev = {
+ .platform_data = &palmt5_pxa_keys_data,
+ },
+};
+
+static void __init palmt5_keys_init(void)
+{
+ platform_device_register(&palmt5_pxa_keys);
+}
+#else
+static inline void palmt5_keys_init(void) {}
+#endif
+
+/******************************************************************************
+ * Machine init
+ ******************************************************************************/
+static void __init palmt5_reserve(void)
+{
+ memblock_reserve(0xa0200000, 0x1000);
+}
+
+static struct gpiod_lookup_table palmt5_mci_gpio_table = {
+ .dev_id = "pxa2xx-mci.0",
+ .table = {
+ GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMT5_SD_DETECT_N,
+ "cd", GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMT5_SD_READONLY,
+ "wp", GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMT5_SD_POWER,
+ "power", GPIO_ACTIVE_HIGH),
+ { },
+ },
+};
+
+static struct gpiod_lookup_table palmt5_wm97xx_touch_gpio_table = {
+ .dev_id = "wm97xx-touch",
+ .table = {
+ GPIO_LOOKUP("gpio-pxa", 27, "touch", GPIO_ACTIVE_HIGH),
+ { },
+ },
+};
+
+static void __init palmt5_init(void)
+{
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(palmt5_pin_config));
+ pxa_set_ffuart_info(NULL);
+ pxa_set_btuart_info(NULL);
+ pxa_set_stuart_info(NULL);
+
+ palm27x_mmc_init(&palmt5_mci_gpio_table);
+ gpiod_add_lookup_table(&palmt5_wm97xx_touch_gpio_table);
+ palm27x_pm_init(PALMT5_STR_BASE);
+ palm27x_lcd_init(-1, &palm_320x480_lcd_mode);
+ palm27x_udc_init(GPIO_NR_PALMT5_USB_DETECT_N,
+ GPIO_NR_PALMT5_USB_PULLUP, 1);
+ palm27x_irda_init(GPIO_NR_PALMT5_IR_DISABLE);
+ palm27x_ac97_init(PALMT5_BAT_MIN_VOLTAGE, PALMT5_BAT_MAX_VOLTAGE,
+ GPIO_NR_PALMT5_EARPHONE_DETECT, 95);
+ palm27x_pwm_init(GPIO_NR_PALMT5_BL_POWER, GPIO_NR_PALMT5_LCD_POWER);
+ palm27x_power_init(GPIO_NR_PALMT5_POWER_DETECT, -1);
+ palm27x_pmic_init();
+ palmt5_kpc_init();
+ palmt5_keys_init();
+}
+
+MACHINE_START(PALMT5, "Palm Tungsten|T5")
+ .atag_offset = 0x100,
+ .map_io = pxa27x_map_io,
+ .reserve = palmt5_reserve,
+ .nr_irqs = PXA_NR_IRQS,
+ .init_irq = pxa27x_init_irq,
+ .handle_irq = pxa27x_handle_irq,
+ .init_time = pxa_timer_init,
+ .init_machine = palmt5_init,
+ .restart = pxa_restart,
+MACHINE_END