[ARM] pxa: PalmTE2 support for battery, UDC, IrDA and backlight
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/palmte2.c b/arch/arm/mach-pxa/palmte2.c
index e0dc655..43fcf2e 100644
--- a/arch/arm/mach-pxa/palmte2.c
+++ b/arch/arm/mach-pxa/palmte2.c
@@ -20,8 +20,11 @@
#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>
@@ -32,6 +35,8 @@
#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"
@@ -56,6 +61,15 @@
/* 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,
@@ -76,6 +90,7 @@
GPIO74_LCD_FCLK,
GPIO75_LCD_LCLK,
GPIO76_LCD_PCLK,
+ GPIO77_LCD_BIAS,
/* GPIO KEYS */
GPIO5_GPIO, /* notes */
@@ -90,6 +105,10 @@
/* MISC */
GPIO1_RST, /* reset */
+ GPIO4_GPIO, /* Hotsync button */
+ GPIO9_GPIO, /* power detect */
+ GPIO37_GPIO, /* LCD power */
+ GPIO56_GPIO, /* Backlight power */
};
/******************************************************************************
@@ -205,11 +224,53 @@
/******************************************************************************
* 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 = {
@@ -221,6 +282,119 @@
};
/******************************************************************************
+ * 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[] = {
@@ -254,15 +428,29 @@
&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));
}