Merge tag 'drivers-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm...
[sfrench/cifs-2.6.git] / arch / avr32 / boards / favr-32 / setup.c
index 1f121497b5177c4a3ac30d715dd98a1f623686cd..234cb071c601d67a98c0090fc8699a3066e6f1ce 100644 (file)
 #include <linux/gpio.h>
 #include <linux/leds.h>
 #include <linux/atmel-mci.h>
-#include <linux/atmel-pwm-bl.h>
+#include <linux/pwm.h>
+#include <linux/pwm_backlight.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/ads7846.h>
 
@@ -33,6 +36,8 @@
 #include <mach/board.h>
 #include <mach/portmux.h>
 
+#define PWM_BL_CH 2
+
 /* Oscillator frequencies. These are board-specific */
 unsigned long at32_board_osc_rates[3] = {
        [0] = 32768,    /* 32.768 kHz on RTC osc */
@@ -227,29 +232,36 @@ void __init favr32_setup_leds(void)
        platform_device_register(&favr32_led_dev);
 }
 
-static struct atmel_pwm_bl_platform_data atmel_pwm_bl_pdata = {
-       .pwm_channel            = 2,
-       .pwm_frequency          = 200000,
-       .pwm_compare_max        = 345,
-       .pwm_duty_max           = 345,
-       .pwm_duty_min           = 90,
-       .pwm_active_low         = 1,
-       .gpio_on                = GPIO_PIN_PA(28),
-       .on_active_low          = 0,
+static struct pwm_lookup pwm_lookup[] = {
+       PWM_LOOKUP("at91sam9rl-pwm", PWM_BL_CH, "pwm-backlight.0", NULL,
+                  5000, PWM_POLARITY_INVERSED),
 };
 
-static struct platform_device atmel_pwm_bl_dev = {
-       .name           = "atmel-pwm-bl",
-       .id             = 0,
-       .dev            = {
-               .platform_data = &atmel_pwm_bl_pdata,
+static struct regulator_consumer_supply fixed_power_consumers[] = {
+       REGULATOR_SUPPLY("power", "pwm-backlight.0"),
+};
+
+static struct platform_pwm_backlight_data pwm_bl_data = {
+       .enable_gpio            = GPIO_PIN_PA(28),
+       .max_brightness         = 255,
+       .dft_brightness         = 255,
+       .lth_brightness         = 50,
+};
+
+static struct platform_device pwm_bl_device = {
+       .name = "pwm-backlight",
+       .dev = {
+               .platform_data = &pwm_bl_data,
        },
 };
 
 static void __init favr32_setup_atmel_pwm_bl(void)
 {
-       platform_device_register(&atmel_pwm_bl_dev);
-       at32_select_gpio(atmel_pwm_bl_pdata.gpio_on, 0);
+       pwm_add_table(pwm_lookup, ARRAY_SIZE(pwm_lookup));
+       regulator_register_always_on(0, "fixed", fixed_power_consumers,
+                                   ARRAY_SIZE(fixed_power_consumers), 3300000);
+       platform_device_register(&pwm_bl_device);
+       at32_select_gpio(pwm_bl_data.enable_gpio, 0);
 }
 
 void __init setup_board(void)
@@ -339,7 +351,7 @@ static int __init favr32_init(void)
 
        set_abdac_rate(at32_add_device_abdac(0, &abdac0_data));
 
-       at32_add_device_pwm(1 << atmel_pwm_bl_pdata.pwm_channel);
+       at32_add_device_pwm(1 << PWM_BL_CH);
        at32_add_device_spi(1, spi1_board_info, ARRAY_SIZE(spi1_board_info));
        at32_add_device_mci(0, &mci0_data);
        at32_add_device_usba(0, NULL);