arm64: dts: marvell: Add xtal clock support for Armada 3700

The configuration of the clock depend of the gpio latch. This information
is stored in the gpio block registers. That's why the block is shared
using a syscon node.

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
index 9e2efb882983..7c61e13a16f3 100644
--- a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
+++ b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
@@ -105,6 +105,18 @@
                                 status = "disabled";
                         };
 
+                        gpio1: gpio@13800 {
+                                compatible = "marvell,mvebu-gpio-3700",
+                                "syscon", "simple-mfd";
+                                reg = <0x13800 0x500>;
+
+                                xtalclk: xtal-clk {
+                                        compatible = "marvell,armada-3700-xtal-clock";
+                                        clock-output-names = "xtal";
+                                        #clock-cells = <0>;
+                                };
+                        };
+
                         usb3: usb@58000 {
                                 compatible = "marvell,armada3700-xhci",
                                 "generic-xhci";