From 9843532de118c96a445db6020bd5148b6f11b90a Mon Sep 17 00:00:00 2001 From: Enric Balletbo i Serra Date: Wed, 6 Jun 2018 17:54:10 +0200 Subject: 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 Signed-off-by: Tony Lindgren --- arch/arm/boot/dts/am335x-sl50.dts | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-) (limited to 'arch/arm') diff --git a/arch/arm/boot/dts/am335x-sl50.dts b/arch/arm/boot/dts/am335x-sl50.dts index 133e90970f1e..a35807aee5dc 100644 --- a/arch/arm/boot/dts/am335x-sl50.dts +++ b/arch/arm/boot/dts/am335x-sl50.dts @@ -9,6 +9,7 @@ #include "am33xx.dtsi" #include +#include / { 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>; }; -- cgit v1.2.3