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authorThomas Petazzoni <thomas.petazzoni@free-electrons.com>2014-11-21 17:00:11 +0100
committerJason Cooper <jason@lakedaemon.net>2014-11-30 16:40:17 +0000
commit389a367a5bfcde677f82d05c6a6cd1458b9c54bf (patch)
treec4b1ca9cd3e2114e341629ea3d1ad70be6b0363b /arch/arm/boot/dts/armada-xp-gp.dts
parentb9b1de0f4da37dac76d812a27d6065eba02dc05b (diff)
ARM: mvebu: add suspend/resume DT information for Armada XP GP
This commit improves the Armada XP GP Device Tree description to describe the 3 GPIOs that are used to connect the SoC to the PIC micro-controller that we talk to shutdown the SoC when entering suspend to RAM. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Link: https://lkml.kernel.org/r/1416585613-2113-15-git-send-email-thomas.petazzoni@free-electrons.com Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Diffstat (limited to 'arch/arm/boot/dts/armada-xp-gp.dts')
-rw-r--r--arch/arm/boot/dts/armada-xp-gp.dts19
1 files changed, 18 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/armada-xp-gp.dts b/arch/arm/boot/dts/armada-xp-gp.dts
index 0478c55ca656..ea8673647494 100644
--- a/arch/arm/boot/dts/armada-xp-gp.dts
+++ b/arch/arm/boot/dts/armada-xp-gp.dts
@@ -23,6 +23,7 @@
*/
/dts-v1/;
+#include <dt-bindings/gpio/gpio.h>
#include "armada-xp-mv78460.dtsi"
/ {
@@ -48,6 +49,14 @@
<0x00000001 0x00000000 0x00000001 0x00000000>;
};
+ cpus {
+ pm_pic {
+ ctrl-gpios = <&gpio0 16 GPIO_ACTIVE_LOW>,
+ <&gpio0 17 GPIO_ACTIVE_LOW>,
+ <&gpio0 18 GPIO_ACTIVE_LOW>;
+ };
+ };
+
soc {
ranges = <MBUS_ID(0xf0, 0x01) 0 0 0xf1000000 0x100000
MBUS_ID(0x01, 0x1d) 0 0 0xfff00000 0x100000
@@ -115,7 +124,15 @@
serial@12300 {
status = "okay";
};
-
+ pinctrl {
+ pinctrl-0 = <&pic_pins>;
+ pinctrl-names = "default";
+ pic_pins: pic-pins-0 {
+ marvell,pins = "mpp16", "mpp17",
+ "mpp18";
+ marvell,function = "gpio";
+ };
+ };
sata@a0000 {
nr-ports = <2>;
status = "okay";