ARM: at91: sam9263ek: use generic leds_pwm driver

Switch to the generic leds_pwm driver instead of leds-atmel-pwm.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

1 files changed, 47 insertions, 8 deletions

diff --git a/arch/arm/mach-at91/board-sam9263ek.c b/arch/arm/mach-at91/board-sam9263ek.c
index cd2726ee5add..fc446097f410 100644
--- a/arch/arm/mach-at91/board-sam9263ek.c
+++ b/arch/arm/mach-at91/board-sam9263ek.c
@@ -32,6 +32,8 @@
 #include <linux/gpio_keys.h>
 #include <linux/input.h>
 #include <linux/leds.h>
+#include <linux/pwm.h>
+#include <linux/leds_pwm.h>
 
 #include <video/atmel_lcdc.h>
 
@@ -369,21 +371,47 @@ static struct gpio_led ek_leds[] = {
                 .name                   = "ds3",
                 .gpio                   = AT91_PIN_PB7,
                 .default_trigger        = "heartbeat",
+        },
+#if !IS_ENABLED(CONFIG_LEDS_PWM)
+        {
+                .name                   = "ds1",
+                .gpio                   = AT91_PIN_PB8,
+                .active_low             = 1,
+                .default_trigger        = "none",
         }
+#endif
 };
 
 /*
  * PWM Leds
  */
-static struct gpio_led ek_pwm_led[] = {
-        /* For now only DS1 is PWM-driven (by pwm1) */
+static struct pwm_lookup pwm_lookup[] = {
+        PWM_LOOKUP("at91sam9rl-pwm", 1, "leds_pwm", "ds1",
+                   5000, PWM_POLARITY_INVERSED),
+};
+
+#if IS_ENABLED(CONFIG_LEDS_PWM)
+static struct led_pwm pwm_leds[] = {
         {
-                .name                   = "ds1",
-                .gpio                   = 1,    /* is PWM channel number */
-                .active_low             = 1,
-                .default_trigger        = "none",
-        }
+                .name = "ds1",
+                .max_brightness = 255,
+        },
+};
+
+static struct led_pwm_platform_data pwm_data = {
+        .num_leds       = ARRAY_SIZE(pwm_leds),
+        .leds           = pwm_leds,
+};
+
+static struct platform_device leds_pwm = {
+        .name   = "leds_pwm",
+        .id     = -1,
+        .dev    = {
+                .platform_data = &pwm_data,
+        },
 };
+#endif
+
 
 /*
  * CAN
@@ -403,6 +431,12 @@ static struct at91_can_data ek_can_data = {
         .transceiver_switch = sam9263ek_transceiver_switch,
 };
 
+static struct platform_device *devices[] __initdata = {
+#if IS_ENABLED(CONFIG_LEDS_PWM)
+        &leds_pwm,
+#endif
+};
+
 static void __init ek_board_init(void)
 {
         /* Serial */
@@ -437,9 +471,14 @@ static void __init ek_board_init(void)
         at91_add_device_ac97(&ek_ac97_data);
         /* LEDs */
         at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
-        at91_pwm_leds(ek_pwm_led, ARRAY_SIZE(ek_pwm_led));
+        pwm_add_table(pwm_lookup, ARRAY_SIZE(pwm_lookup));
+#if IS_ENABLED(CONFIG_LEDS_PWM)
+        at91_add_device_pwm(1 << AT91_PWM1);
+#endif
         /* CAN */
         at91_add_device_can(&ek_can_data);
+        /* Other platform devices */
+        platform_add_devices(devices, ARRAY_SIZE(devices));
 }
 
 MACHINE_START(AT91SAM9263EK, "Atmel AT91SAM9263-EK")