[ARM] pxa: PalmLD initial support

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>

1 files changed, 566 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/palmld.c b/arch/arm/mach-pxa/palmld.c
new file mode 100644
index 000000000000..55a2c40b6f26
--- /dev/null
+++ b/arch/arm/mach-pxa/palmld.c
@@ -0,0 +1,566 @@
+/*
+ * Hardware definitions for Palm LifeDrive
+ *
+ * Author:     Marek Vasut <marek.vasut@gmail.com>
+ *
+ * Based on work of:
+ *		Alex Osborne <ato@meshy.org>
+ *
+ * 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/palmld.h>
+#include <mach/mmc.h>
+#include <mach/pxafb.h>
+#include <mach/pxa-regs.h>
+#include <mach/mfp-pxa27x.h>
+#include <mach/irda.h>
+#include <mach/pxa27x_keypad.h>
+#include <mach/palmasoc.h>
+
+#include "generic.h"
+#include "devices.h"
+
+/******************************************************************************
+ * Pin configuration
+ ******************************************************************************/
+static unsigned long palmld_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 */
+	GPIO116_GPIO,	/* SD r/o switch */
+
+	/* AC97 */
+	GPIO28_AC97_BITCLK,
+	GPIO29_AC97_SDATA_IN_0,
+	GPIO30_AC97_SDATA_OUT,
+	GPIO31_AC97_SYNC,
+
+	/* IrDA */
+	GPIO108_GPIO,	/* ir disable */
+	GPIO46_FICP_RXD,
+	GPIO47_FICP_TXD,
+
+	/* MATRIX KEYPAD */
+	GPIO100_KP_MKIN_0,
+	GPIO101_KP_MKIN_1,
+	GPIO102_KP_MKIN_2,
+	GPIO97_KP_MKIN_3,
+	GPIO103_KP_MKOUT_0,
+	GPIO104_KP_MKOUT_1,
+	GPIO105_KP_MKOUT_2,
+
+	/* 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,
+
+	/* PWM */
+	GPIO16_PWM0_OUT,
+
+	/* GPIO KEYS */
+	GPIO10_GPIO,	/* hotsync button */
+	GPIO12_GPIO,	/* power switch */
+	GPIO15_GPIO,	/* lock switch */
+
+	/* LEDs */
+	GPIO52_GPIO,	/* green led */
+	GPIO94_GPIO,	/* orange led */
+
+	/* PCMCIA */
+	GPIO48_nPOE,
+	GPIO49_nPWE,
+	GPIO50_nPIOR,
+	GPIO51_nPIOW,
+	GPIO85_nPCE_1,
+	GPIO54_nPCE_2,
+	GPIO79_PSKTSEL,
+	GPIO55_nPREG,
+	GPIO56_nPWAIT,
+	GPIO57_nIOIS16,
+	GPIO36_GPIO,	/* wifi power */
+	GPIO38_GPIO,	/* wifi ready */
+	GPIO81_GPIO,	/* wifi reset */
+
+	/* HDD */
+	GPIO95_GPIO,	/* HDD irq */
+	GPIO115_GPIO,	/* HDD power */
+
+	/* MISC */
+	GPIO13_GPIO,	/* earphone detect */
+};
+
+/******************************************************************************
+ * SD/MMC card controller
+ ******************************************************************************/
+static int palmld_mci_init(struct device *dev, irq_handler_t palmld_detect_int,
+				void *data)
+{
+	int err = 0;
+
+	/* Setup an interrupt for detecting card insert/remove events */
+	err = gpio_request(GPIO_NR_PALMLD_SD_DETECT_N, "SD IRQ");
+	if (err)
+		goto err;
+	err = gpio_direction_input(GPIO_NR_PALMLD_SD_DETECT_N);
+	if (err)
+		goto err2;
+	err = request_irq(gpio_to_irq(GPIO_NR_PALMLD_SD_DETECT_N),
+			palmld_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_PALMLD_SD_POWER, "SD_POWER");
+	if (err)
+		goto err3;
+	err = gpio_direction_output(GPIO_NR_PALMLD_SD_POWER, 0);
+	if (err)
+		goto err4;
+
+	err = gpio_request(GPIO_NR_PALMLD_SD_READONLY, "SD_READONLY");
+	if (err)
+		goto err4;
+	err = gpio_direction_input(GPIO_NR_PALMLD_SD_READONLY);
+	if (err)
+		goto err5;
+
+	printk(KERN_DEBUG "%s: irq registered\n", __func__);
+
+	return 0;
+
+err5:
+	gpio_free(GPIO_NR_PALMLD_SD_READONLY);
+err4:
+	gpio_free(GPIO_NR_PALMLD_SD_POWER);
+err3:
+	free_irq(gpio_to_irq(GPIO_NR_PALMLD_SD_DETECT_N), data);
+err2:
+	gpio_free(GPIO_NR_PALMLD_SD_DETECT_N);
+err:
+	return err;
+}
+
+static void palmld_mci_exit(struct device *dev, void *data)
+{
+	gpio_free(GPIO_NR_PALMLD_SD_READONLY);
+	gpio_free(GPIO_NR_PALMLD_SD_POWER);
+	free_irq(gpio_to_irq(GPIO_NR_PALMLD_SD_DETECT_N), data);
+	gpio_free(GPIO_NR_PALMLD_SD_DETECT_N);
+}
+
+static void palmld_mci_power(struct device *dev, unsigned int vdd)
+{
+	struct pxamci_platform_data *p_d = dev->platform_data;
+	gpio_set_value(GPIO_NR_PALMLD_SD_POWER, p_d->ocr_mask & (1 << vdd));
+}
+
+static int palmld_mci_get_ro(struct device *dev)
+{
+	return gpio_get_value(GPIO_NR_PALMLD_SD_READONLY);
+}
+
+static struct pxamci_platform_data palmld_mci_platform_data = {
+	.ocr_mask	= MMC_VDD_32_33 | MMC_VDD_33_34,
+	.setpower	= palmld_mci_power,
+	.get_ro		= palmld_mci_get_ro,
+	.init 		= palmld_mci_init,
+	.exit		= palmld_mci_exit,
+};
+
+/******************************************************************************
+ * GPIO keyboard
+ ******************************************************************************/
+static unsigned int palmld_matrix_keys[] = {
+	KEY(0, 1, KEY_F2),
+	KEY(0, 2, KEY_UP),
+
+	KEY(1, 0, KEY_F3),
+	KEY(1, 1, KEY_F4),
+	KEY(1, 2, KEY_RIGHT),
+
+	KEY(2, 0, KEY_F1),
+	KEY(2, 1, KEY_F5),
+	KEY(2, 2, KEY_DOWN),
+
+	KEY(3, 0, KEY_F6),
+	KEY(3, 1, KEY_ENTER),
+	KEY(3, 2, KEY_LEFT),
+};
+
+static struct pxa27x_keypad_platform_data palmld_keypad_platform_data = {
+	.matrix_key_rows	= 4,
+	.matrix_key_cols	= 3,
+	.matrix_key_map		= palmld_matrix_keys,
+	.matrix_key_map_size	= ARRAY_SIZE(palmld_matrix_keys),
+
+	.debounce_interval	= 30,
+};
+
+/******************************************************************************
+ * GPIO keys
+ ******************************************************************************/
+static struct gpio_keys_button palmld_pxa_buttons[] = {
+	{KEY_F8, GPIO_NR_PALMLD_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
+	{KEY_F9, GPIO_NR_PALMLD_LOCK_SWITCH, 0, "Lock Switch" },
+	{KEY_POWER, GPIO_NR_PALMLD_POWER_SWITCH, 0, "Power Switch" },
+};
+
+static struct gpio_keys_platform_data palmld_pxa_keys_data = {
+	.buttons	= palmld_pxa_buttons,
+	.nbuttons	= ARRAY_SIZE(palmld_pxa_buttons),
+};
+
+static struct platform_device palmld_pxa_keys = {
+	.name	= "gpio-keys",
+	.id	= -1,
+	.dev	= {
+		.platform_data = &palmld_pxa_keys_data,
+	},
+};
+
+/******************************************************************************
+ * Backlight
+ ******************************************************************************/
+static int palmld_backlight_init(struct device *dev)
+{
+	int ret;
+
+	ret = gpio_request(GPIO_NR_PALMLD_BL_POWER, "BL POWER");
+	if (ret)
+		goto err;
+	ret = gpio_direction_output(GPIO_NR_PALMLD_BL_POWER, 0);
+	if (ret)
+		goto err2;
+	ret = gpio_request(GPIO_NR_PALMLD_LCD_POWER, "LCD POWER");
+	if (ret)
+		goto err2;
+	ret = gpio_direction_output(GPIO_NR_PALMLD_LCD_POWER, 0);
+	if (ret)
+		goto err3;
+
+	return 0;
+err3:
+	gpio_free(GPIO_NR_PALMLD_LCD_POWER);
+err2:
+	gpio_free(GPIO_NR_PALMLD_BL_POWER);
+err:
+	return ret;
+}
+
+static int palmld_backlight_notify(int brightness)
+{
+	gpio_set_value(GPIO_NR_PALMLD_BL_POWER, brightness);
+	gpio_set_value(GPIO_NR_PALMLD_LCD_POWER, brightness);
+	return brightness;
+}
+
+static void palmld_backlight_exit(struct device *dev)
+{
+	gpio_free(GPIO_NR_PALMLD_BL_POWER);
+	gpio_free(GPIO_NR_PALMLD_LCD_POWER);
+}
+
+static struct platform_pwm_backlight_data palmld_backlight_data = {
+	.pwm_id		= 0,
+	.max_brightness	= PALMLD_MAX_INTENSITY,
+	.dft_brightness	= PALMLD_MAX_INTENSITY,
+	.pwm_period_ns	= PALMLD_PERIOD_NS,
+	.init		= palmld_backlight_init,
+	.notify		= palmld_backlight_notify,
+	.exit		= palmld_backlight_exit,
+};
+
+static struct platform_device palmld_backlight = {
+	.name	= "pwm-backlight",
+	.dev	= {
+		.parent		= &pxa27x_device_pwm0.dev,
+		.platform_data	= &palmld_backlight_data,
+	},
+};
+
+/******************************************************************************
+ * IrDA
+ ******************************************************************************/
+static int palmld_irda_startup(struct device *dev)
+{
+	int err;
+	err = gpio_request(GPIO_NR_PALMLD_IR_DISABLE, "IR DISABLE");
+	if (err)
+		goto err;
+	err = gpio_direction_output(GPIO_NR_PALMLD_IR_DISABLE, 1);
+	if (err)
+		gpio_free(GPIO_NR_PALMLD_IR_DISABLE);
+err:
+	return err;
+}
+
+static void palmld_irda_shutdown(struct device *dev)
+{
+	gpio_free(GPIO_NR_PALMLD_IR_DISABLE);
+}
+
+static void palmld_irda_transceiver_mode(struct device *dev, int mode)
+{
+	gpio_set_value(GPIO_NR_PALMLD_IR_DISABLE, mode & IR_OFF);
+	pxa2xx_transceiver_mode(dev, mode);
+}
+
+static struct pxaficp_platform_data palmld_ficp_platform_data = {
+	.startup		= palmld_irda_startup,
+	.shutdown		= palmld_irda_shutdown,
+	.transceiver_cap	= IR_SIRMODE | IR_FIRMODE | IR_OFF,
+	.transceiver_mode	= palmld_irda_transceiver_mode,
+};
+
+/******************************************************************************
+ * LEDs
+ ******************************************************************************/
+struct gpio_led gpio_leds[] = {
+{
+	.name			= "palmld:green:led",
+	.default_trigger	= "none",
+	.gpio			= GPIO_NR_PALMLD_LED_GREEN,
+}, {
+	.name			= "palmld:amber:led",
+	.default_trigger	= "none",
+	.gpio			= GPIO_NR_PALMLD_LED_AMBER,
+},
+};
+
+static struct gpio_led_platform_data gpio_led_info = {
+	.leds		= gpio_leds,
+	.num_leds	= ARRAY_SIZE(gpio_leds),
+};
+
+static struct platform_device palmld_leds = {
+	.name	= "leds-gpio",
+	.id	= -1,
+	.dev	= {
+		.platform_data	= &gpio_led_info,
+	}
+};
+
+/******************************************************************************
+ * Power supply
+ ******************************************************************************/
+static int power_supply_init(struct device *dev)
+{
+	int ret;
+
+	ret = gpio_request(GPIO_NR_PALMLD_POWER_DETECT, "CABLE_STATE_AC");
+	if (ret)
+		goto err1;
+	ret = gpio_direction_input(GPIO_NR_PALMLD_POWER_DETECT);
+	if (ret)
+		goto err2;
+
+	ret = gpio_request(GPIO_NR_PALMLD_USB_DETECT_N, "CABLE_STATE_USB");
+	if (ret)
+		goto err2;
+	ret = gpio_direction_input(GPIO_NR_PALMLD_USB_DETECT_N);
+	if (ret)
+		goto err3;
+
+	return 0;
+
+err3:
+	gpio_free(GPIO_NR_PALMLD_USB_DETECT_N);
+err2:
+	gpio_free(GPIO_NR_PALMLD_POWER_DETECT);
+err1:
+	return ret;
+}
+
+static int palmld_is_ac_online(void)
+{
+	return gpio_get_value(GPIO_NR_PALMLD_POWER_DETECT);
+}
+
+static int palmld_is_usb_online(void)
+{
+	return !gpio_get_value(GPIO_NR_PALMLD_USB_DETECT_N);
+}
+
+static void power_supply_exit(struct device *dev)
+{
+	gpio_free(GPIO_NR_PALMLD_USB_DETECT_N);
+	gpio_free(GPIO_NR_PALMLD_POWER_DETECT);
+}
+
+static char *palmld_supplicants[] = {
+	"main-battery",
+};
+
+static struct pda_power_pdata power_supply_info = {
+	.init            = power_supply_init,
+	.is_ac_online    = palmld_is_ac_online,
+	.is_usb_online   = palmld_is_usb_online,
+	.exit            = power_supply_exit,
+	.supplied_to     = palmld_supplicants,
+	.num_supplicants = ARRAY_SIZE(palmld_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	= PALMLD_BAT_MAX_VOLTAGE,
+	.min_voltage	= PALMLD_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",
+};
+
+/******************************************************************************
+ * aSoC audio
+ ******************************************************************************/
+static struct palm27x_asoc_info palm27x_asoc_pdata = {
+	.jack_gpio	= GPIO_NR_PALMLD_EARPHONE_DETECT,
+};
+
+/******************************************************************************
+ * Framebuffer
+ ******************************************************************************/
+static struct pxafb_mode_info palmld_lcd_modes[] = {
+{
+	.pixclock	= 57692,
+	.xres		= 320,
+	.yres		= 480,
+	.bpp		= 16,
+
+	.left_margin	= 32,
+	.right_margin	= 1,
+	.upper_margin	= 7,
+	.lower_margin	= 1,
+
+	.hsync_len	= 4,
+	.vsync_len	= 1,
+},
+};
+
+static struct pxafb_mach_info palmld_lcd_screen = {
+	.modes		= palmld_lcd_modes,
+	.num_modes	= ARRAY_SIZE(palmld_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)
+	&palmld_pxa_keys,
+#endif
+	&palmld_backlight,
+	&palmld_leds,
+	&power_supply,
+};
+
+static struct map_desc palmld_io_desc[] __initdata = {
+{
+	.virtual	= PALMLD_IDE_VIRT,
+	.pfn		= __phys_to_pfn(PALMLD_IDE_PHYS),
+	.length		= PALMLD_IDE_SIZE,
+	.type		= MT_DEVICE
+},
+{
+	.virtual	= PALMLD_USB_VIRT,
+	.pfn		= __phys_to_pfn(PALMLD_USB_PHYS),
+	.length		= PALMLD_USB_SIZE,
+	.type		= MT_DEVICE
+},
+};
+
+static void __init palmld_map_io(void)
+{
+	pxa_map_io();
+	iotable_init(palmld_io_desc, ARRAY_SIZE(palmld_io_desc));
+}
+
+static void __init palmld_init(void)
+{
+	pxa2xx_mfp_config(ARRAY_AND_SIZE(palmld_pin_config));
+
+	set_pxa_fb_info(&palmld_lcd_screen);
+	pxa_set_mci_info(&palmld_mci_platform_data);
+	pxa_set_ac97_info(NULL);
+	pxa_set_ficp_info(&palmld_ficp_platform_data);
+	pxa_set_keypad_info(&palmld_keypad_platform_data);
+	wm97xx_bat_set_pdata(&wm97xx_batt_pdata);
+	palm27x_asoc_set_pdata(&palm27x_asoc_pdata);
+
+	platform_add_devices(devices, ARRAY_SIZE(devices));
+}
+
+MACHINE_START(PALMLD, "Palm LifeDrive")
+	.phys_io	= PALMLD_PHYS_IO_START,
+	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
+	.boot_params	= 0xa0000100,
+	.map_io		= palmld_map_io,
+	.init_irq	= pxa27x_init_irq,
+	.timer		= &pxa_timer,
+	.init_machine	= palmld_init
+MACHINE_END