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

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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>
This commit is contained in:
Enric Balletbo i Serra 2018-06-06 17:54:10 +02:00 committed by Tony Lindgren
parent f9d1dec9fb
commit 9843532de1
1 changed files with 15 additions and 3 deletions
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18
arch/arm/boot/dts/am335x-sl50.dts
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@ -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 @@
>;
};
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 @@
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>;
};