[ARM] pxa: PalmT5 initial support

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

MAINTAINERS

@@ -622,7 +622,7 @@ P:	Dirk Opfer
 M:	dirk@opfer-online.de
 S:	Maintained
 
-ARM/PALMTX SUPPORT
+ARM/PALMTX,PALMT5 SUPPORT
 P:	Marek Vasut
 M:	marek.vasut@gmail.com
 W:	http://hackndev.com

arch/arm/mach-pxa/Kconfig

@@ -319,6 +319,16 @@ config ARCH_PXA_PALM
 	bool "PXA based Palm PDAs"
 	select HAVE_PWM
 
+config MACH_PALMT5
+	bool "Palm Tungsten|T5"
+	default y
+	depends on ARCH_PXA_PALM
+	select PXA27x
+	select IWMMXT
+	help
+	  Say Y here if you intend to run this kernel on a Palm Tungsten|T5
+	  handheld computer.
+
 config MACH_PALMTX
 	bool "Palm T|X"
 	default y

arch/arm/mach-pxa/Makefile

@@ -53,6 +53,7 @@ obj-$(CONFIG_MACH_E740)		+= e740.o
 obj-$(CONFIG_MACH_E750)		+= e750.o
 obj-$(CONFIG_MACH_E400)		+= e400.o
 obj-$(CONFIG_MACH_E800)		+= e800.o
+obj-$(CONFIG_MACH_PALMT5)	+= palmt5.o
 obj-$(CONFIG_MACH_PALMTX)	+= palmtx.o
 obj-$(CONFIG_MACH_PALMZ72)	+= palmz72.o
 obj-$(CONFIG_ARCH_VIPER)	+= viper.o

arch/arm/mach-pxa/include/mach/palmt5.h

+/*
+ * GPIOs and interrupts for Palm Tungsten|T5 Handheld Computer
+ *
+ * Authors:	Ales Snuparek <snuparek@atlas.cz>
+ *		Marek Vasut <marek.vasut@gmail.com>
+ *		Justin Kendrick <twilightsentry@gmail.com>
+ *		RichardT5 <richard_t5@users.sourceforge.net>
+ *
+ * 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.
+ *
+ */
+
+#ifndef _INCLUDE_PALMT5_H_
+#define _INCLUDE_PALMT5_H_
+
+/** HERE ARE GPIOs **/
+
+/* GPIOs */
+#define GPIO_NR_PALMT5_GPIO_RESET		1
+
+#define GPIO_NR_PALMT5_POWER_DETECT		90
+#define GPIO_NR_PALMT5_HOTSYNC_BUTTON_N		10
+#define GPIO_NR_PALMT5_EARPHONE_DETECT		107
+
+/* SD/MMC */
+#define GPIO_NR_PALMT5_SD_DETECT_N		14
+#define GPIO_NR_PALMT5_SD_POWER			114
+#define GPIO_NR_PALMT5_SD_READONLY		115
+
+/* TOUCHSCREEN */
+#define GPIO_NR_PALMT5_WM9712_IRQ		27
+
+/* IRDA - disable GPIO connected to SD pin of tranceiver (TFBS4710?) ? */
+#define GPIO_NR_PALMT5_IR_DISABLE		40
+
+/* USB */
+#define GPIO_NR_PALMT5_USB_DETECT_N		15
+#define GPIO_NR_PALMT5_USB_POWER		95
+#define GPIO_NR_PALMT5_USB_PULLUP		93
+
+/* LCD/BACKLIGHT */
+#define GPIO_NR_PALMT5_BL_POWER			84
+#define GPIO_NR_PALMT5_LCD_POWER		96
+
+/* BLUETOOTH */
+#define GPIO_NR_PALMT5_BT_POWER			17
+#define GPIO_NR_PALMT5_BT_RESET			83
+
+/* INTERRUPTS */
+#define IRQ_GPIO_PALMT5_SD_DETECT_N	IRQ_GPIO(GPIO_NR_PALMT5_SD_DETECT_N)
+#define IRQ_GPIO_PALMT5_WM9712_IRQ	IRQ_GPIO(GPIO_NR_PALMT5_WM9712_IRQ)
+#define IRQ_GPIO_PALMT5_USB_DETECT	IRQ_GPIO(GPIO_NR_PALMT5_USB_DETECT)
+#define IRQ_GPIO_PALMT5_GPIO_RESET	IRQ_GPIO(GPIO_NR_PALMT5_GPIO_RESET)
+
+/** HERE ARE INIT VALUES **/
+
+/* Various addresses  */
+#define PALMT5_PHYS_RAM_START	0xa0000000
+#define PALMT5_PHYS_IO_START	0x40000000
+
+/* TOUCHSCREEN */
+#define AC97_LINK_FRAME		21
+
+/* BATTERY */
+#define PALMT5_BAT_MAX_VOLTAGE		4000	/* 4.00v current voltage */
+#define PALMT5_BAT_MIN_VOLTAGE		3550	/* 3.55v critical voltage */
+#define PALMT5_BAT_MAX_CURRENT		0	/* unknokn */
+#define PALMT5_BAT_MIN_CURRENT		0	/* unknown */
+#define PALMT5_BAT_MAX_CHARGE		1	/* unknown */
+#define PALMT5_BAT_MIN_CHARGE		1	/* unknown */
+#define PALMT5_MAX_LIFE_MINS		360    /* on-life in minutes */
+
+#define PALMT5_BAT_MEASURE_DELAY	(HZ * 1)
+
+/* BACKLIGHT */
+#define PALMT5_MAX_INTENSITY		0xFE
+#define PALMT5_DEFAULT_INTENSITY	0x7E
+#define PALMT5_LIMIT_MASK		0x7F
+#define PALMT5_PRESCALER		0x3F
+#define PALMT5_PERIOD_NS		3500
+
+#endif

arch/arm/mach-pxa/palmt5.c

+/*
+ * 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>
+ *
+ * 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/palmt5.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/udc.h>
+#include <mach/palmasoc.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,
+
+	/* IrDA */
+	GPIO40_GPIO,	/* ir disable */
+	GPIO46_FICP_RXD,
+	GPIO47_FICP_TXD,
+
+	/* USB */
+	GPIO15_GPIO,	/* usb detect */
+	GPIO95_GPIO,	/* usb power */
+
+	/* 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,
+
+	/* MISC */
+	GPIO10_GPIO,	/* hotsync button */
+	GPIO90_GPIO,	/* power detect */
+	GPIO107_GPIO,	/* earphone detect */
+};
+
+/******************************************************************************
+ * SD/MMC card controller
+ ******************************************************************************/
+static int palmt5_mci_init(struct device *dev, irq_handler_t palmt5_detect_int,
+				void *data)
+{
+	int err = 0;
+
+	/* Setup an interrupt for detecting card insert/remove events */
+	err = gpio_request(GPIO_NR_PALMT5_SD_DETECT_N, "SD IRQ");
+	if (err)
+		goto err;
+	err = gpio_direction_input(GPIO_NR_PALMT5_SD_DETECT_N);
+	if (err)
+		goto err2;
+	err = request_irq(gpio_to_irq(GPIO_NR_PALMT5_SD_DETECT_N),
+			palmt5_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_PALMT5_SD_POWER, "SD_POWER");
+	if (err)
+		goto err3;
+	err = gpio_direction_output(GPIO_NR_PALMT5_SD_POWER, 0);
+	if (err)
+		goto err4;
+
+	err = gpio_request(GPIO_NR_PALMT5_SD_READONLY, "SD_READONLY");
+	if (err)
+		goto err4;
+	err = gpio_direction_input(GPIO_NR_PALMT5_SD_READONLY);
+	if (err)
+		goto err5;
+
+	printk(KERN_DEBUG "%s: irq registered\n", __func__);
+
+	return 0;
+
+err5:
+	gpio_free(GPIO_NR_PALMT5_SD_READONLY);
+err4:
+	gpio_free(GPIO_NR_PALMT5_SD_POWER);
+err3:
+	free_irq(gpio_to_irq(GPIO_NR_PALMT5_SD_DETECT_N), data);
+err2:
+	gpio_free(GPIO_NR_PALMT5_SD_DETECT_N);
+err:
+	return err;
+}
+
+static void palmt5_mci_exit(struct device *dev, void *data)
+{
+	gpio_free(GPIO_NR_PALMT5_SD_READONLY);
+	gpio_free(GPIO_NR_PALMT5_SD_POWER);
+	free_irq(IRQ_GPIO_PALMT5_SD_DETECT_N, data);
+	gpio_free(GPIO_NR_PALMT5_SD_DETECT_N);
+}
+
+static void palmt5_mci_power(struct device *dev, unsigned int vdd)
+{
+	struct pxamci_platform_data *p_d = dev->platform_data;
+	gpio_set_value(GPIO_NR_PALMT5_SD_POWER, p_d->ocr_mask & (1 << vdd));
+}
+
+static int palmt5_mci_get_ro(struct device *dev)
+{
+	return gpio_get_value(GPIO_NR_PALMT5_SD_READONLY);
+}
+
+static struct pxamci_platform_data palmt5_mci_platform_data = {
+	.ocr_mask	= MMC_VDD_32_33 | MMC_VDD_33_34,
+	.setpower	= palmt5_mci_power,
+	.get_ro		= palmt5_mci_get_ro,
+	.init 		= palmt5_mci_init,
+	.exit		= palmt5_mci_exit,
+};
+
+/******************************************************************************
+ * GPIO keyboard
+ ******************************************************************************/
+static 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 pxa27x_keypad_platform_data palmt5_keypad_platform_data = {
+	.matrix_key_rows	= 4,
+	.matrix_key_cols	= 3,
+	.matrix_key_map		= palmt5_matrix_keys,
+	.matrix_key_map_size	= ARRAY_SIZE(palmt5_matrix_keys),
+
+	.debounce_interval	= 30,
+};
+
+/******************************************************************************
+ * GPIO keys
+ ******************************************************************************/
+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,
+	},
+};
+
+/******************************************************************************
+ * Backlight
+ ******************************************************************************/
+static int palmt5_backlight_init(struct device *dev)
+{
+	int ret;
+
+	ret = gpio_request(GPIO_NR_PALMT5_BL_POWER, "BL POWER");
+	if (ret)
+		goto err;
+	ret = gpio_direction_output(GPIO_NR_PALMT5_BL_POWER, 0);
+	if (ret)
+		goto err2;
+	ret = gpio_request(GPIO_NR_PALMT5_LCD_POWER, "LCD POWER");
+	if (ret)
+		goto err2;
+	ret = gpio_direction_output(GPIO_NR_PALMT5_LCD_POWER, 0);
+	if (ret)
+		goto err3;
+
+	return 0;
+err3:
+	gpio_free(GPIO_NR_PALMT5_LCD_POWER);
+err2:
+	gpio_free(GPIO_NR_PALMT5_BL_POWER);
+err:
+	return ret;
+}
+
+static int palmt5_backlight_notify(int brightness)
+{
+	gpio_set_value(GPIO_NR_PALMT5_BL_POWER, brightness);
+	gpio_set_value(GPIO_NR_PALMT5_LCD_POWER, brightness);
+	return brightness;
+}
+
+static void palmt5_backlight_exit(struct device *dev)
+{
+	gpio_free(GPIO_NR_PALMT5_BL_POWER);
+	gpio_free(GPIO_NR_PALMT5_LCD_POWER);
+}
+
+static struct platform_pwm_backlight_data palmt5_backlight_data = {
+	.pwm_id		= 0,
+	.max_brightness	= PALMT5_MAX_INTENSITY,
+	.dft_brightness	= PALMT5_MAX_INTENSITY,
+	.pwm_period_ns	= PALMT5_PERIOD_NS,
+	.init		= palmt5_backlight_init,
+	.notify		= palmt5_backlight_notify,
+	.exit		= palmt5_backlight_exit,
+};
+
+static struct platform_device palmt5_backlight = {
+	.name	= "pwm-backlight",
+	.dev	= {
+		.parent		= &pxa27x_device_pwm0.dev,
+		.platform_data	= &palmt5_backlight_data,
+	},
+};
+
+/******************************************************************************
+ * IrDA
+ ******************************************************************************/
+static int palmt5_irda_startup(struct device *dev)
+{
+	int err;
+	err = gpio_request(GPIO_NR_PALMT5_IR_DISABLE, "IR DISABLE");
+	if (err)
+		goto err;
+	err = gpio_direction_output(GPIO_NR_PALMT5_IR_DISABLE, 1);
+	if (err)
+		gpio_free(GPIO_NR_PALMT5_IR_DISABLE);
+err:
+	return err;
+}
+
+static void palmt5_irda_shutdown(struct device *dev)
+{
+	gpio_free(GPIO_NR_PALMT5_IR_DISABLE);
+}
+
+static void palmt5_irda_transceiver_mode(struct device *dev, int mode)
+{
+	gpio_set_value(GPIO_NR_PALMT5_IR_DISABLE, mode & IR_OFF);
+	pxa2xx_transceiver_mode(dev, mode);
+}
+
+static struct pxaficp_platform_data palmt5_ficp_platform_data = {
+	.startup		= palmt5_irda_startup,
+	.shutdown		= palmt5_irda_shutdown,
+	.transceiver_cap	= IR_SIRMODE | IR_FIRMODE | IR_OFF,
+	.transceiver_mode	= palmt5_irda_transceiver_mode,
+};
+
+/******************************************************************************
+ * UDC
+ ******************************************************************************/
+static struct pxa2xx_udc_mach_info palmt5_udc_info __initdata = {
+	.gpio_vbus		= GPIO_NR_PALMT5_USB_DETECT_N,
+	.gpio_vbus_inverted	= 1,
+	.gpio_pullup		= GPIO_NR_PALMT5_USB_POWER,
+	.gpio_pullup_inverted	= 0,
+};
+
+/******************************************************************************
+ * Power supply
+ ******************************************************************************/
+static int power_supply_init(struct device *dev)
+{
+	int ret;
+
+	ret = gpio_request(GPIO_NR_PALMT5_POWER_DETECT, "CABLE_STATE_AC");
+	if (ret)
+		goto err1;
+	ret = gpio_direction_input(GPIO_NR_PALMT5_POWER_DETECT);
+	if (ret)
+		goto err2;
+
+	return 0;
+err2:
+	gpio_free(GPIO_NR_PALMT5_POWER_DETECT);
+err1:
+	return ret;
+}
+
+static int palmt5_is_ac_online(void)
+{
+	return gpio_get_value(GPIO_NR_PALMT5_POWER_DETECT);
+}
+
+static void power_supply_exit(struct device *dev)
+{
+	gpio_free(GPIO_NR_PALMT5_POWER_DETECT);
+}
+
+static char *palmt5_supplicants[] = {
+	"main-battery",
+};
+
+static struct pda_power_pdata power_supply_info = {
+	.init            = power_supply_init,
+	.is_ac_online    = palmt5_is_ac_online,
+	.exit            = power_supply_exit,
+	.supplied_to     = palmt5_supplicants,
+	.num_supplicants = ARRAY_SIZE(palmt5_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	= PALMT5_BAT_MAX_VOLTAGE,
+	.min_voltage	= PALMT5_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_PALMT5_EARPHONE_DETECT,
+};
+
+/******************************************************************************
+ * Framebuffer
+ ******************************************************************************/
+static struct pxafb_mode_info palmt5_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 palmt5_lcd_screen = {
+	.modes		= palmt5_lcd_modes,
+	.num_modes	= ARRAY_SIZE(palmt5_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)
+	&palmt5_pxa_keys,
+#endif
+	&palmt5_backlight,
+	&power_supply,
+};
+
+/* setup udc GPIOs initial state */
+static void __init palmt5_udc_init(void)
+{
+	if (!gpio_request(GPIO_NR_PALMT5_USB_POWER, "UDC Vbus")) {
+		gpio_direction_output(GPIO_NR_PALMT5_USB_POWER, 1);
+		gpio_free(GPIO_NR_PALMT5_USB_POWER);
+	}
+}
+
+static void __init palmt5_init(void)
+{
+	pxa2xx_mfp_config(ARRAY_AND_SIZE(palmt5_pin_config));
+
+	set_pxa_fb_info(&palmt5_lcd_screen);
+	pxa_set_mci_info(&palmt5_mci_platform_data);
+	palmt5_udc_init();
+	pxa_set_udc_info(&palmt5_udc_info);
+	pxa_set_ac97_info(NULL);
+	pxa_set_ficp_info(&palmt5_ficp_platform_data);
+	pxa_set_keypad_info(&palmt5_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(PALMT5, "Palm Tungsten|T5")
+	.phys_io	= PALMT5_PHYS_IO_START,
+	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
+	.boot_params	= 0xa0000100,
+	.map_io		= pxa_map_io,
+	.init_irq	= pxa27x_init_irq,
+	.timer		= &pxa_timer,
+	.init_machine	= palmt5_init
+MACHINE_END