avr32: MRMT: use generic leds_pwm driver
authorAlexandre Belloni <alexandre.belloni@free-electrons.com>
Wed, 28 May 2014 23:20:12 +0000 (01:20 +0200)
committerNicolas Ferre <nicolas.ferre@atmel.com>
Wed, 9 Jul 2014 13:13:32 +0000 (15:13 +0200)
Switch to the generic leds_pwm driver instead of leds-atmel-pwm.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
arch/avr32/boards/atngw100/mrmt.c

index 1ba09e4c02b14d08c1bc0211866e43c1aec5735f..91146b416cdba5b5d76946db679849b649545742 100644 (file)
@@ -17,6 +17,8 @@
 #include <linux/types.h>
 #include <linux/fb.h>
 #include <linux/leds.h>
+#include <linux/pwm.h>
+#include <linux/leds_pwm.h>
 #include <linux/input.h>
 #include <linux/gpio_keys.h>
 #include <linux/atmel_serial.h>
@@ -155,21 +157,28 @@ static struct platform_device rmt_ts_device = {
 
 #ifdef CONFIG_BOARD_MRMT_BL_PWM
 /* PWM LEDs: LCD Backlight, etc */
-static struct gpio_led rmt_pwm_led[] = {
-       /* here the "gpio" is actually a PWM channel */
-       { .name = "backlight",  .gpio = PWM_CH_BL, },
+static struct pwm_lookup pwm_lookup[] = {
+       PWM_LOOKUP("at91sam9rl-pwm", PWM_CH_BL, "leds_pwm", "ds1",
+                  5000, PWM_POLARITY_INVERSED),
 };
 
-static struct gpio_led_platform_data rmt_pwm_led_data = {
-       .num_leds       = ARRAY_SIZE(rmt_pwm_led),
-       .leds           = rmt_pwm_led,
+static struct led_pwm pwm_leds[] = {
+       {
+               .name = "backlight",
+               .max_brightness = 255,
+       },
+};
+
+static struct led_pwm_platform_data pwm_data = {
+       .num_leds       = ARRAY_SIZE(pwm_leds),
+       .leds           = pwm_leds,
 };
 
-static struct platform_device rmt_pwm_led_dev = {
-       .name           = "leds-atmel-pwm",
-       .id             = -1,
-       .dev            = {
-               .platform_data  = &rmt_pwm_led_data,
+static struct platform_device leds_pwm = {
+       .name   = "leds_pwm",
+       .id     = -1,
+       .dev    = {
+               .platform_data = &pwm_data,
        },
 };
 #endif
@@ -325,7 +334,8 @@ static int __init mrmt1_init(void)
 #ifdef CONFIG_BOARD_MRMT_BL_PWM
        /* Use PWM for Backlight controls */
        at32_add_device_pwm(1 << PWM_CH_BL);
-       platform_device_register(&rmt_pwm_led_dev);
+       pwm_add_table(pwm_lookup, ARRAY_SIZE(pwm_lookup));
+       platform_device_register(&leds_pwm);
 #else
        /* Backlight always on */
        udelay( 1 );