ARM: 5878/1: ep93xx: register the pwm devices on the edb93xx dev boards

Add the platform init code to register the pwm devices that exist
on the various edb93xx development boards.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Ryan Mallon <ryan@bluewatersys.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 21 insertions, 0 deletions

diff --git a/arch/arm/mach-ep93xx/edb93xx.c b/arch/arm/mach-ep93xx/edb93xx.c
index a4a7be308000..d22d67ac8b99 100644
--- a/arch/arm/mach-ep93xx/edb93xx.c
+++ b/arch/arm/mach-ep93xx/edb93xx.c
@@ -118,12 +118,33 @@ static void __init edb93xx_register_i2c(void)
         }
 }
 
+
+/*************************************************************************
+ * EDB93xx pwm
+ *************************************************************************/
+static void __init edb93xx_register_pwm(void)
+{
+        if (machine_is_edb9301() ||
+            machine_is_edb9302() || machine_is_edb9302a()) {
+                /* EP9301 and EP9302 only have pwm.1 (EGPIO14) */
+                ep93xx_register_pwm(0, 1);
+        } else if (machine_is_edb9307() || machine_is_edb9307a()) {
+                /* EP9307 only has pwm.0 (PWMOUT) */
+                ep93xx_register_pwm(1, 0);
+        } else {
+                /* EP9312 and EP9315 have both */
+                ep93xx_register_pwm(1, 1);
+        }
+}
+
+
 static void __init edb93xx_init_machine(void)
 {
         ep93xx_init_devices();
         edb93xx_register_flash();
         ep93xx_register_eth(&edb93xx_eth_data, 1);
         edb93xx_register_i2c();
+        edb93xx_register_pwm();
 }