1 files changed, 466 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/palmte2.c b/arch/arm/mach-pxa/palmte2.c
new file mode 100644
index 0000000..43fcf2e
--- /dev/null
+++ b/arch/arm/mach-pxa/palmte2.c
@@ -0,0 +1,466 @@
+/*
+ * Hardware definitions for Palm Tungsten|E2
+ *
+ * Author:
+ *	Carlos Eduardo Medaglia Dyonisio <cadu@nerdfeliz.com>
+ *
+ * Rewrite for mainline:
+ *	Marek Vasut <marek.vasut@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * (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/pda_power.h>
+#include <linux/pwm_backlight.h>
+#include <linux/gpio.h>
+#include <linux/wm97xx_batt.h>
+#include <linux/power_supply.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <mach/audio.h>
+#include <mach/palmte2.h>
+#include <mach/mmc.h>
+#include <mach/pxafb.h>
+#include <mach/mfp-pxa25x.h>
+#include <mach/irda.h>
+#include <mach/udc.h>
+
+#include "generic.h"
+#include "devices.h"
+
+/******************************************************************************
+ * Pin configuration
+ ******************************************************************************/
+static unsigned long palmte2_pin_config[] __initdata = {
+	/* MMC */
+	GPIO6_MMC_CLK,
+	GPIO8_MMC_CS0,
+	GPIO10_GPIO,	/* SD detect */
+	GPIO55_GPIO,	/* SD power */
+	GPIO51_GPIO,	/* SD r/o switch */
+
+	/* AC97 */
+	GPIO28_AC97_BITCLK,
+	GPIO29_AC97_SDATA_IN_0,
+	GPIO30_AC97_SDATA_OUT,
+	GPIO31_AC97_SYNC,
+
+	/* PWM */
+	GPIO16_PWM0_OUT,
+
+	/* USB */
+	GPIO15_GPIO,	/* usb detect */
+	GPIO53_GPIO,	/* usb power */
+
+	/* IrDA */
+	GPIO48_GPIO,	/* ir disable */
+	GPIO46_FICP_RXD,
+	GPIO47_FICP_TXD,
+
+	/* LCD */
+	GPIO58_LCD_LDD_0,
+	GPIO59_LCD_LDD_1,
+	GPIO60_LCD_LDD_2,
+	GPIO61_LCD_LDD_3,
+	GPIO62_LCD_LDD_4,
+	GPIO63_LCD_LDD_5,
+	GPIO64_LCD_LDD_6,
+	GPIO65_LCD_LDD_7,
+	GPIO66_LCD_LDD_8,
+	GPIO67_LCD_LDD_9,
+	GPIO68_LCD_LDD_10,
+	GPIO69_LCD_LDD_11,
+	GPIO70_LCD_LDD_12,
+	GPIO71_LCD_LDD_13,
+	GPIO72_LCD_LDD_14,
+	GPIO73_LCD_LDD_15,
+	GPIO74_LCD_FCLK,
+	GPIO75_LCD_LCLK,
+	GPIO76_LCD_PCLK,
+	GPIO77_LCD_BIAS,
+
+	/* GPIO KEYS */
+	GPIO5_GPIO,	/* notes */
+	GPIO7_GPIO,	/* tasks */
+	GPIO11_GPIO,	/* calendar */
+	GPIO13_GPIO,	/* contacts */
+	GPIO14_GPIO,	/* center */
+	GPIO19_GPIO,	/* left */
+	GPIO20_GPIO,	/* right */
+	GPIO21_GPIO,	/* down */
+	GPIO22_GPIO,	/* up */
+
+	/* MISC */
+	GPIO1_RST,	/* reset */
+	GPIO4_GPIO,	/* Hotsync button */
+	GPIO9_GPIO,	/* power detect */
+	GPIO37_GPIO,	/* LCD power */
+	GPIO56_GPIO,	/* Backlight power */
+};
+
+/******************************************************************************
+ * SD/MMC card controller
+ ******************************************************************************/
+static int palmte2_mci_init(struct device *dev,
+				irq_handler_t palmte2_detect_int, void *data)
+{
+	int err = 0;
+
+	/* Setup an interrupt for detecting card insert/remove events */
+	err = gpio_request(GPIO_NR_PALMTE2_SD_DETECT_N, "SD IRQ");
+	if (err)
+		goto err;
+	err = gpio_direction_input(GPIO_NR_PALMTE2_SD_DETECT_N);
+	if (err)
+		goto err2;
+	err = request_irq(gpio_to_irq(GPIO_NR_PALMTE2_SD_DETECT_N),
+			palmte2_detect_int, IRQF_DISABLED | IRQF_SAMPLE_RANDOM |
+			IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
+			"SD/MMC card detect", data);
+	if (err) {
+		printk(KERN_ERR "%s: cannot request SD/MMC card detect IRQ\n",
+				__func__);
+		goto err2;
+	}
+
+	err = gpio_request(GPIO_NR_PALMTE2_SD_POWER, "SD_POWER");
+	if (err)
+		goto err3;
+	err = gpio_direction_output(GPIO_NR_PALMTE2_SD_POWER, 0);
+	if (err)
+		goto err4;
+
+	err = gpio_request(GPIO_NR_PALMTE2_SD_READONLY, "SD_READONLY");
+	if (err)
+		goto err4;
+	err = gpio_direction_input(GPIO_NR_PALMTE2_SD_READONLY);
+	if (err)
+		goto err5;
+
+	printk(KERN_DEBUG "%s: irq registered\n", __func__);
+
+	return 0;
+
+err5:
+	gpio_free(GPIO_NR_PALMTE2_SD_READONLY);
+err4:
+	gpio_free(GPIO_NR_PALMTE2_SD_POWER);
+err3:
+	free_irq(gpio_to_irq(GPIO_NR_PALMTE2_SD_DETECT_N), data);
+err2:
+	gpio_free(GPIO_NR_PALMTE2_SD_DETECT_N);
+err:
+	return err;
+}
+
+static void palmte2_mci_exit(struct device *dev, void *data)
+{
+	gpio_free(GPIO_NR_PALMTE2_SD_READONLY);
+	gpio_free(GPIO_NR_PALMTE2_SD_POWER);
+	free_irq(gpio_to_irq(GPIO_NR_PALMTE2_SD_DETECT_N), data);
+	gpio_free(GPIO_NR_PALMTE2_SD_DETECT_N);
+}
+
+static void palmte2_mci_power(struct device *dev, unsigned int vdd)
+{
+	struct pxamci_platform_data *p_d = dev->platform_data;
+	gpio_set_value(GPIO_NR_PALMTE2_SD_POWER, p_d->ocr_mask & (1 << vdd));
+}
+
+static int palmte2_mci_get_ro(struct device *dev)
+{
+	return gpio_get_value(GPIO_NR_PALMTE2_SD_READONLY);
+}
+
+static struct pxamci_platform_data palmte2_mci_platform_data = {
+	.ocr_mask	= MMC_VDD_32_33 | MMC_VDD_33_34,
+	.setpower	= palmte2_mci_power,
+	.get_ro		= palmte2_mci_get_ro,
+	.init 		= palmte2_mci_init,
+	.exit		= palmte2_mci_exit,
+};
+
+/******************************************************************************
+ * GPIO keys
+ ******************************************************************************/
+static struct gpio_keys_button palmte2_pxa_buttons[] = {
+	{KEY_F1,	GPIO_NR_PALMTE2_KEY_CONTACTS,	1, "Contacts" },
+	{KEY_F2,	GPIO_NR_PALMTE2_KEY_CALENDAR,	1, "Calendar" },
+	{KEY_F3,	GPIO_NR_PALMTE2_KEY_TASKS,	1, "Tasks" },
+	{KEY_F4,	GPIO_NR_PALMTE2_KEY_NOTES,	1, "Notes" },
+	{KEY_ENTER,	GPIO_NR_PALMTE2_KEY_CENTER,	1, "Center" },
+	{KEY_LEFT,	GPIO_NR_PALMTE2_KEY_LEFT,	1, "Left" },
+	{KEY_RIGHT,	GPIO_NR_PALMTE2_KEY_RIGHT,	1, "Right" },
+	{KEY_DOWN,	GPIO_NR_PALMTE2_KEY_DOWN,	1, "Down" },
+	{KEY_UP,	GPIO_NR_PALMTE2_KEY_UP,		1, "Up" },
+};
+
+static struct gpio_keys_platform_data palmte2_pxa_keys_data = {
+	.buttons	= palmte2_pxa_buttons,
+	.nbuttons	= ARRAY_SIZE(palmte2_pxa_buttons),
+};
+
+static struct platform_device palmte2_pxa_keys = {
+	.name	= "gpio-keys",
+	.id	= -1,
+	.dev	= {
+		.platform_data = &palmte2_pxa_keys_data,
+	},
+};
+
+/******************************************************************************
+ * Backlight
+ ******************************************************************************/
+static int palmte2_backlight_init(struct device *dev)
+{
+	int ret;
+
+	ret = gpio_request(GPIO_NR_PALMTE2_BL_POWER, "BL POWER");
+	if (ret)
+		goto err;
+	ret = gpio_direction_output(GPIO_NR_PALMTE2_BL_POWER, 0);
+	if (ret)
+		goto err2;
+	ret = gpio_request(GPIO_NR_PALMTE2_LCD_POWER, "LCD POWER");
+	if (ret)
+		goto err2;
+	ret = gpio_direction_output(GPIO_NR_PALMTE2_LCD_POWER, 0);
+	if (ret)
+		goto err3;
+
+	return 0;
+err3:
+	gpio_free(GPIO_NR_PALMTE2_LCD_POWER);
+err2:
+	gpio_free(GPIO_NR_PALMTE2_BL_POWER);
+err:
+	return ret;
+}
+
+static int palmte2_backlight_notify(int brightness)
+{
+	gpio_set_value(GPIO_NR_PALMTE2_BL_POWER, brightness);
+	gpio_set_value(GPIO_NR_PALMTE2_LCD_POWER, brightness);
+	return brightness;
+}
+
+static void palmte2_backlight_exit(struct device *dev)
+{
+	gpio_free(GPIO_NR_PALMTE2_BL_POWER);
+	gpio_free(GPIO_NR_PALMTE2_LCD_POWER);
+}
+
+static struct platform_pwm_backlight_data palmte2_backlight_data = {
+	.pwm_id		= 0,
+	.max_brightness	= PALMTE2_MAX_INTENSITY,
+	.dft_brightness	= PALMTE2_MAX_INTENSITY,
+	.pwm_period_ns	= PALMTE2_PERIOD_NS,
+	.init		= palmte2_backlight_init,
+	.notify		= palmte2_backlight_notify,
+	.exit		= palmte2_backlight_exit,
+};
+
+static struct platform_device palmte2_backlight = {
+	.name	= "pwm-backlight",
+	.dev	= {
+		.parent		= &pxa25x_device_pwm0.dev,
+		.platform_data	= &palmte2_backlight_data,
+	},
+};
+
+/******************************************************************************
+ * IrDA
+ ******************************************************************************/
+static int palmte2_irda_startup(struct device *dev)
+{
+	int err;
+	err = gpio_request(GPIO_NR_PALMTE2_IR_DISABLE, "IR DISABLE");
+	if (err)
+		goto err;
+	err = gpio_direction_output(GPIO_NR_PALMTE2_IR_DISABLE, 1);
+	if (err)
+		gpio_free(GPIO_NR_PALMTE2_IR_DISABLE);
+err:
+	return err;
+}
+
+static void palmte2_irda_shutdown(struct device *dev)
+{
+	gpio_free(GPIO_NR_PALMTE2_IR_DISABLE);
+}
+
+static void palmte2_irda_transceiver_mode(struct device *dev, int mode)
+{
+	gpio_set_value(GPIO_NR_PALMTE2_IR_DISABLE, mode & IR_OFF);
+	pxa2xx_transceiver_mode(dev, mode);
+}
+
+static struct pxaficp_platform_data palmte2_ficp_platform_data = {
+	.startup		= palmte2_irda_startup,
+	.shutdown		= palmte2_irda_shutdown,
+	.transceiver_cap	= IR_SIRMODE | IR_FIRMODE | IR_OFF,
+	.transceiver_mode	= palmte2_irda_transceiver_mode,
+};
+
+/******************************************************************************
+ * UDC
+ ******************************************************************************/
+static struct pxa2xx_udc_mach_info palmte2_udc_info __initdata = {
+	.gpio_vbus		= GPIO_NR_PALMTE2_USB_DETECT_N,
+	.gpio_vbus_inverted	= 1,
+	.gpio_pullup		= GPIO_NR_PALMTE2_USB_PULLUP,
+	.gpio_pullup_inverted	= 0,
+};
+
+/******************************************************************************
+ * Power supply
+ ******************************************************************************/
+static int power_supply_init(struct device *dev)
+{
+	int ret;
+
+	ret = gpio_request(GPIO_NR_PALMTE2_POWER_DETECT, "CABLE_STATE_AC");
+	if (ret)
+		goto err1;
+	ret = gpio_direction_input(GPIO_NR_PALMTE2_POWER_DETECT);
+	if (ret)
+		goto err2;
+
+	return 0;
+
+err2:
+	gpio_free(GPIO_NR_PALMTE2_POWER_DETECT);
+err1:
+	return ret;
+}
+
+static int palmte2_is_ac_online(void)
+{
+	return gpio_get_value(GPIO_NR_PALMTE2_POWER_DETECT);
+}
+
+static void power_supply_exit(struct device *dev)
+{
+	gpio_free(GPIO_NR_PALMTE2_POWER_DETECT);
+}
+
+static char *palmte2_supplicants[] = {
+	"main-battery",
+};
+
+static struct pda_power_pdata power_supply_info = {
+	.init            = power_supply_init,
+	.is_ac_online    = palmte2_is_ac_online,
+	.exit            = power_supply_exit,
+	.supplied_to     = palmte2_supplicants,
+	.num_supplicants = ARRAY_SIZE(palmte2_supplicants),
+};
+
+static struct platform_device power_supply = {
+	.name = "pda-power",
+	.id   = -1,
+	.dev  = {
+		.platform_data = &power_supply_info,
+	},
+};
+
+/******************************************************************************
+ * WM97xx battery
+ ******************************************************************************/
+static struct wm97xx_batt_info wm97xx_batt_pdata = {
+	.batt_aux	= WM97XX_AUX_ID3,
+	.temp_aux	= WM97XX_AUX_ID2,
+	.charge_gpio	= -1,
+	.max_voltage	= PALMTE2_BAT_MAX_VOLTAGE,
+	.min_voltage	= PALMTE2_BAT_MIN_VOLTAGE,
+	.batt_mult	= 1000,
+	.batt_div	= 414,
+	.temp_mult	= 1,
+	.temp_div	= 1,
+	.batt_tech	= POWER_SUPPLY_TECHNOLOGY_LIPO,
+	.batt_name	= "main-batt",
+};
+
+/******************************************************************************
+ * Framebuffer
+ ******************************************************************************/
+static struct pxafb_mode_info palmte2_lcd_modes[] = {
+{
+	.pixclock	= 77757,
+	.xres		= 320,
+	.yres		= 320,
+	.bpp		= 16,
+
+	.left_margin	= 28,
+	.right_margin	= 7,
+	.upper_margin	= 7,
+	.lower_margin	= 5,
+
+	.hsync_len	= 4,
+	.vsync_len	= 1,
+},
+};
+
+static struct pxafb_mach_info palmte2_lcd_screen = {
+	.modes		= palmte2_lcd_modes,
+	.num_modes	= ARRAY_SIZE(palmte2_lcd_modes),
+	.lcd_conn	= LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
+};
+
+/******************************************************************************
+ * Machine init
+ ******************************************************************************/
+static struct platform_device *devices[] __initdata = {
+#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
+	&palmte2_pxa_keys,
+#endif
+	&palmte2_backlight,
+	&power_supply,
+};
+
+/* setup udc GPIOs initial state */
+static void __init palmte2_udc_init(void)
+{
+	if (!gpio_request(GPIO_NR_PALMTE2_USB_PULLUP, "UDC Vbus")) {
+		gpio_direction_output(GPIO_NR_PALMTE2_USB_PULLUP, 1);
+		gpio_free(GPIO_NR_PALMTE2_USB_PULLUP);
+	}
+}
+
+static void __init palmte2_init(void)
+{
+	pxa2xx_mfp_config(ARRAY_AND_SIZE(palmte2_pin_config));
+
+	set_pxa_fb_info(&palmte2_lcd_screen);
+	pxa_set_mci_info(&palmte2_mci_platform_data);
+	palmte2_udc_init();
+	pxa_set_udc_info(&palmte2_udc_info);
+	pxa_set_ac97_info(NULL);
+	pxa_set_ficp_info(&palmte2_ficp_platform_data);
+	wm97xx_bat_set_pdata(&wm97xx_batt_pdata);
+
+	platform_add_devices(devices, ARRAY_SIZE(devices));
+}
+
+MACHINE_START(PALMTE2, "Palm Tungsten|E2")
+	.phys_io	= 0x40000000,
+	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
+	.boot_params	= 0xa0000100,
+	.map_io		= pxa_map_io,
+	.init_irq	= pxa25x_init_irq,
+	.timer		= &pxa_timer,
+	.init_machine	= palmte2_init
+MACHINE_END