ARM: dts: am335x-sl50: add support for DS1339 Real Time Clock

Production hardware will go with the DS1339 RTC chip, so replace the old
for the new one and also add the nIRQ pin to be able to properly wakeup
the system from suspend.

Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/boot/dts/am335x-sl50.dts b/arch/arm/boot/dts/am335x-sl50.dts
index 133e90970f1ef09ec9566795661a6ba45070621b..a35807aee5dcd56948ba64c73095f442b164b27d 100644 (file)
--- a/arch/arm/boot/dts/am335x-sl50.dts
+++ b/arch/arm/boot/dts/am335x-sl50.dts
@@ -9,6 +9,7 @@
 
 #include "am33xx.dtsi"
 #include <dt-bindings/pwm/pwm.h>
+#include <dt-bindings/interrupt-controller/irq.h>
 
 / {
        model = "Toby Churchill SL50 Series";
@@ -377,6 +378,12 @@ AM33XX_IOPAD(0x84c, PIN_OUTPUT | MUX_MODE6)        /* gpmc_a3.ehrpwm1b */
                >;
        };
 
+       rtc0_irq_pins: pinmux_rtc0_irq_pins {
+               pinctrl-single,pins = <
+                       AM33XX_IOPAD(0x824, PIN_INPUT_PULLUP | MUX_MODE7)     /* gpmc_ad9.gpio0_23 */
+               >;
+       };
+
        spi0_pins: pinmux_spi0_pins {
                pinctrl-single,pins = <
                        AM33XX_IOPAD(0x954, PIN_INPUT_PULLUP | MUX_MODE0)       /* SPI0_MOSI - spi0_d0.spi0_d0 */
@@ -411,9 +418,14 @@ tps: tps@24 {
                reg = <0x24>;
        };
 
-       bq32000: rtc@68 {
-               compatible = "ti,bq32000";
-               trickle-resistor-ohms = <1120>;
+       rtc0: rtc@68 {
+               compatible = "dallas,ds1339";
+               pinctrl-names = "default";
+               pinctrl-0 = <&rtc0_irq_pins>;
+               interrupt-parent = <&gpio0>;
+               interrupts = <23 IRQ_TYPE_EDGE_FALLING>; /* gpio 23 */
+               wakeup-source;
+               trickle-resistor-ohms = <2000>;
                reg = <0x68>;
        };