static struct platform_pwm_backlight_data cm_x300_backlight_data = {
.max_brightness = 100,
.dft_brightness = 100,
- .enable_gpio = -1,
};
static struct platform_device cm_x300_backlight_device = {
static struct platform_pwm_backlight_data income_backlight_data = {
.max_brightness = 0x3ff,
.dft_brightness = 0x1ff,
- .enable_gpio = -1,
};
static struct platform_device income_backlight = {
}
}
+static struct gpiod_lookup_table corgi_lcdcon_gpio_table = {
+ .dev_id = "spi1.1",
+ .table = {
+ GPIO_LOOKUP("gpio-pxa", CORGI_GPIO_BACKLIGHT_CONT,
+ "BL_CONT", GPIO_ACTIVE_HIGH),
+ { },
+ },
+};
+
static struct corgi_lcd_platform_data corgi_lcdcon_info = {
.init_mode = CORGI_LCD_MODE_VGA,
.max_intensity = 0x2f,
.default_intensity = 0x1f,
.limit_mask = 0x0b,
- .gpio_backlight_cont = CORGI_GPIO_BACKLIGHT_CONT,
- .gpio_backlight_on = -1,
.kick_battery = corgi_bl_kick_battery,
};
static void __init corgi_init_spi(void)
{
pxa2xx_set_spi_info(1, &corgi_spi_info);
+ gpiod_add_lookup_table(&corgi_lcdcon_gpio_table);
spi_register_board_info(ARRAY_AND_SIZE(corgi_spi_devices));
}
#else
static struct platform_pwm_backlight_data ezx_backlight_data = {
.max_brightness = 1023,
.dft_brightness = 1023,
- .enable_gpio = -1,
};
static struct platform_device ezx_backlight_device = {
static struct platform_pwm_backlight_data backlight_data = {
.max_brightness = 200,
.dft_brightness = 100,
- .enable_gpio = -1,
};
static struct platform_device backlight = {
static struct platform_pwm_backlight_data lpd270_backlight_data = {
.max_brightness = 1,
.dft_brightness = 1,
- .enable_gpio = -1,
};
static struct platform_device lpd270_backlight_device = {
static struct platform_pwm_backlight_data backlight_data = {
.max_brightness = 272,
.dft_brightness = 100,
- .enable_gpio = -1,
.init = magician_backlight_init,
.notify = magician_backlight_notify,
.exit = magician_backlight_exit,
static struct platform_pwm_backlight_data mainstone_backlight_data = {
.max_brightness = 1023,
.dft_brightness = 1023,
- .enable_gpio = -1,
};
static struct platform_device mainstone_backlight_device = {
static struct platform_pwm_backlight_data mioa701_backlight_data = {
.max_brightness = 100,
.dft_brightness = 50,
- .enable_gpio = -1,
};
/*
static struct platform_pwm_backlight_data palm27x_backlight_data = {
.max_brightness = 0xfe,
.dft_brightness = 0x7e,
- .enable_gpio = -1,
.init = palm27x_backlight_init,
.notify = palm27x_backlight_notify,
.exit = palm27x_backlight_exit,
* Backlight
******************************************************************************/
#if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
+
+static struct gpiod_lookup_table palmtc_pwm_bl_gpio_table = {
+ .dev_id = "pwm-backlight.0",
+ .table = {
+ GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTC_BL_POWER,
+ "enable", GPIO_ACTIVE_HIGH),
+ },
+};
+
static struct pwm_lookup palmtc_pwm_lookup[] = {
PWM_LOOKUP("pxa25x-pwm.1", 0, "pwm-backlight.0", NULL, PALMTC_PERIOD_NS,
PWM_POLARITY_NORMAL),
static struct platform_pwm_backlight_data palmtc_backlight_data = {
.max_brightness = PALMTC_MAX_INTENSITY,
.dft_brightness = PALMTC_MAX_INTENSITY,
- .enable_gpio = GPIO_NR_PALMTC_BL_POWER,
};
static struct platform_device palmtc_backlight = {
static void __init palmtc_pwm_init(void)
{
+ gpiod_add_lookup_table(&palmtc_pwm_bl_gpio_table);
pwm_add_table(palmtc_pwm_lookup, ARRAY_SIZE(palmtc_pwm_lookup));
platform_device_register(&palmtc_backlight);
}
static struct platform_pwm_backlight_data palmte2_backlight_data = {
.max_brightness = PALMTE2_MAX_INTENSITY,
.dft_brightness = PALMTE2_MAX_INTENSITY,
- .enable_gpio = -1,
.init = palmte2_backlight_init,
.notify = palmte2_backlight_notify,
.exit = palmte2_backlight_exit,
static struct platform_pwm_backlight_data pcm990_backlight_data = {
.max_brightness = 1023,
.dft_brightness = 1023,
- .enable_gpio = -1,
};
static struct platform_device pcm990_backlight_device = {
}
}
+static struct gpiod_lookup_table spitz_lcdcon_gpio_table = {
+ .dev_id = "spi2.1",
+ .table = {
+ GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_BACKLIGHT_CONT,
+ "BL_CONT", GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_BACKLIGHT_ON,
+ "BL_ON", GPIO_ACTIVE_HIGH),
+ { },
+ },
+};
+
+static struct gpiod_lookup_table akita_lcdcon_gpio_table = {
+ .dev_id = "spi2.1",
+ .table = {
+ GPIO_LOOKUP("gpio-pxa", AKITA_GPIO_BACKLIGHT_CONT,
+ "BL_CONT", GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP("gpio-pxa", AKITA_GPIO_BACKLIGHT_ON,
+ "BL_ON", GPIO_ACTIVE_HIGH),
+ { },
+ },
+};
+
static struct corgi_lcd_platform_data spitz_lcdcon_info = {
.init_mode = CORGI_LCD_MODE_VGA,
.max_intensity = 0x2f,
.default_intensity = 0x1f,
.limit_mask = 0x0b,
- .gpio_backlight_cont = SPITZ_GPIO_BACKLIGHT_CONT,
- .gpio_backlight_on = SPITZ_GPIO_BACKLIGHT_ON,
.kick_battery = spitz_bl_kick_battery,
};
static void __init spitz_spi_init(void)
{
- struct corgi_lcd_platform_data *lcd_data = &spitz_lcdcon_info;
-
- if (machine_is_akita()) {
- lcd_data->gpio_backlight_cont = AKITA_GPIO_BACKLIGHT_CONT;
- lcd_data->gpio_backlight_on = AKITA_GPIO_BACKLIGHT_ON;
- }
+ if (machine_is_akita())
+ gpiod_add_lookup_table(&akita_lcdcon_gpio_table);
+ else
+ gpiod_add_lookup_table(&spitz_lcdcon_gpio_table);
pxa2xx_set_spi_info(2, &spitz_spi_info);
spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices));
/* primary backlight */
.max_brightness = 100,
.dft_brightness = 100,
- .enable_gpio = -1,
},
[1] = {
/* secondary backlight */
.max_brightness = 100,
.dft_brightness = 100,
- .enable_gpio = -1,
},
};
static struct platform_pwm_backlight_data viper_backlight_data = {
.max_brightness = 100,
.dft_brightness = 100,
- .enable_gpio = -1,
.init = viper_backlight_init,
.notify = viper_backlight_notify,
.exit = viper_backlight_exit,
/* Keypad Backlight */
.max_brightness = 1023,
.dft_brightness = 0,
- .enable_gpio = -1,
},
[1] = {
/* LCD Backlight */
.max_brightness = 1023,
.dft_brightness = 512,
- .enable_gpio = -1,
},
};
static struct platform_pwm_backlight_data zylonite_backlight_data = {
.max_brightness = 100,
.dft_brightness = 100,
- .enable_gpio = -1,
};
static struct platform_device zylonite_backlight_device = {
static struct platform_pwm_backlight_data backlight_data = {
.max_brightness = 100,
.dft_brightness = 50,
- .enable_gpio = -1,
.init = h1940_backlight_init,
.notify = h1940_backlight_notify,
.exit = h1940_backlight_exit,
static struct platform_pwm_backlight_data rx1950_backlight_data = {
.max_brightness = 24,
.dft_brightness = 4,
- .enable_gpio = -1,
.init = rx1950_backlight_init,
.notify = rx1950_backlight_notify,
.exit = rx1950_backlight_exit,
.plat_data = {
.max_brightness = 255,
.dft_brightness = 255,
- .enable_gpio = -1,
.init = samsung_bl_init,
.exit = samsung_bl_exit,
},
samsung_bl_data->dft_brightness = bl_data->dft_brightness;
if (bl_data->lth_brightness)
samsung_bl_data->lth_brightness = bl_data->lth_brightness;
- if (bl_data->enable_gpio >= 0)
- samsung_bl_data->enable_gpio = bl_data->enable_gpio;
if (bl_data->init)
samsung_bl_data->init = bl_data->init;
if (bl_data->notify)
static struct platform_pwm_backlight_data crag6410_backlight_data = {
.max_brightness = 1000,
.dft_brightness = 600,
- .enable_gpio = -1,
};
static struct platform_device crag6410_backlight_device = {
static struct platform_pwm_backlight_data hmt_backlight_data = {
.max_brightness = 100 * 256,
.dft_brightness = 40 * 256,
- .enable_gpio = -1,
.init = hmt_bl_init,
.notify = hmt_bl_notify,
.exit = hmt_bl_exit,
static struct platform_pwm_backlight_data smartq_backlight_data = {
.max_brightness = 1000,
.dft_brightness = 600,
- .enable_gpio = -1,
.init = smartq_bl_init,
};
};
static struct platform_pwm_backlight_data smdk6410_bl_data = {
- .enable_gpio = -1,
+ /* Intentionally blank */
};
static struct dwc2_hsotg_plat smdk6410_hsotg_pdata;
static struct platform_pwm_backlight_data nb0916_backlight_data = {
.max_brightness = 100,
.dft_brightness = 100,
- .enable_gpio = -1,
};
static struct gpio_keys_button nb0916_gpio_keys[] = {
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/delay.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
#include <linux/fb.h>
#include <linux/lcd.h>
#include <linux/spi/spi.h>
int mode;
char buf[2];
- int gpio_backlight_on;
- int gpio_backlight_cont;
- int gpio_backlight_cont_inverted;
+ struct gpio_desc *backlight_on;
+ struct gpio_desc *backlight_cont;
void (*kick_battery)(void);
};
corgi_ssp_lcdtg_send(lcd, DUTYCTRL_ADRS, intensity);
/* Bit 5 via GPIO_BACKLIGHT_CONT */
- cont = !!(intensity & 0x20) ^ lcd->gpio_backlight_cont_inverted;
+ cont = !!(intensity & 0x20);
- if (gpio_is_valid(lcd->gpio_backlight_cont))
- gpio_set_value_cansleep(lcd->gpio_backlight_cont, cont);
+ if (lcd->backlight_cont)
+ gpiod_set_value_cansleep(lcd->backlight_cont, cont);
- if (gpio_is_valid(lcd->gpio_backlight_on))
- gpio_set_value_cansleep(lcd->gpio_backlight_on, intensity);
+ if (lcd->backlight_on)
+ gpiod_set_value_cansleep(lcd->backlight_on, intensity);
if (lcd->kick_battery)
lcd->kick_battery();
struct corgi_lcd_platform_data *pdata)
{
struct spi_device *spi = lcd->spi_dev;
- int err;
-
- lcd->gpio_backlight_on = -1;
- lcd->gpio_backlight_cont = -1;
-
- if (gpio_is_valid(pdata->gpio_backlight_on)) {
- err = devm_gpio_request(&spi->dev, pdata->gpio_backlight_on,
- "BL_ON");
- if (err) {
- dev_err(&spi->dev,
- "failed to request GPIO%d for backlight_on\n",
- pdata->gpio_backlight_on);
- return err;
- }
-
- lcd->gpio_backlight_on = pdata->gpio_backlight_on;
- gpio_direction_output(lcd->gpio_backlight_on, 0);
- }
- if (gpio_is_valid(pdata->gpio_backlight_cont)) {
- err = devm_gpio_request(&spi->dev, pdata->gpio_backlight_cont,
- "BL_CONT");
- if (err) {
- dev_err(&spi->dev,
- "failed to request GPIO%d for backlight_cont\n",
- pdata->gpio_backlight_cont);
- return err;
- }
-
- lcd->gpio_backlight_cont = pdata->gpio_backlight_cont;
-
- /* spitz and akita use both GPIOs for backlight, and
- * have inverted polarity of GPIO_BACKLIGHT_CONT
- */
- if (gpio_is_valid(lcd->gpio_backlight_on)) {
- lcd->gpio_backlight_cont_inverted = 1;
- gpio_direction_output(lcd->gpio_backlight_cont, 1);
- } else {
- lcd->gpio_backlight_cont_inverted = 0;
- gpio_direction_output(lcd->gpio_backlight_cont, 0);
- }
- }
+ lcd->backlight_on = devm_gpiod_get_optional(&spi->dev,
+ "BL_ON", GPIOD_OUT_LOW);
+ if (IS_ERR(lcd->backlight_on))
+ return PTR_ERR(lcd->backlight_on);
+
+ lcd->backlight_cont = devm_gpiod_get_optional(&spi->dev, "BL_CONT",
+ GPIOD_OUT_LOW);
+ if (IS_ERR(lcd->backlight_cont))
+ return PTR_ERR(lcd->backlight_cont);
+
return 0;
}
#include <linux/delay.h>
#include <linux/gpio/consumer.h>
-#include <linux/gpio.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
&data->post_pwm_on_delay);
of_property_read_u32(node, "pwm-off-delay-ms", &data->pwm_off_delay);
- data->enable_gpio = -EINVAL;
-
/*
* Determine the number of brightness levels, if this property is not
* set a default table of brightness levels will be used.
}
/*
- * Compatibility fallback for drivers still using the integer GPIO
- * platform data. Must go away soon.
- */
- if (!pb->enable_gpio && gpio_is_valid(data->enable_gpio)) {
- ret = devm_gpio_request_one(&pdev->dev, data->enable_gpio,
- GPIOF_OUT_INIT_HIGH, "enable");
- if (ret < 0) {
- dev_err(&pdev->dev, "failed to request GPIO#%d: %d\n",
- data->enable_gpio, ret);
- goto err_alloc;
- }
-
- pb->enable_gpio = gpio_to_desc(data->enable_gpio);
- }
-
- /*
* If the GPIO is not known to be already configured as output, that
* is, if gpiod_get_direction returns either 1 or -EINVAL, change the
* direction to output and set the GPIO as active.
unsigned int *levels;
unsigned int post_pwm_on_delay;
unsigned int pwm_off_delay;
- /* TODO remove once all users are switched to gpiod_* API */
- int enable_gpio;
int (*init)(struct device *dev);
int (*notify)(struct device *dev, int brightness);
void (*notify_after)(struct device *dev, int brightness);
int default_intensity;
int limit_mask;
- int gpio_backlight_on; /* -1 if n/a */
- int gpio_backlight_cont; /* -1 if n/a */
-
void (*notify)(int intensity);
void (*kick_battery)(void);
};