[ARM] pxa: PalmT5 initial support
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
diff --git a/arch/arm/mach-pxa/palmt5.c b/arch/arm/mach-pxa/palmt5.c
new file mode 100644
index 0000000..51b4a60
--- /dev/null
+++ b/arch/arm/mach-pxa/palmt5.c
@@ -0,0 +1,497 @@
+/*
+ * 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