ARM: sun7i: dt: Add ahci / sata support

This patch adds sunxi sata support to A20 boards that have such a connector.
Some boards also feature a regulator via a GPIO and support for this is also
added.

Signed-off-by: Olliver Schinagl <oliver@schinagl.nl>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts b/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
index 9d98316c9928..c9b0f370b03d 100644
--- a/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
+++ b/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
@@ -13,6 +13,7 @@
 
 /dts-v1/;
 /include/ "sun7i-a20.dtsi"
+/include/ "sunxi-common-regulators.dtsi"
 
 / {
         model = "Olimex A20-Olinuxino Micro";
@@ -36,6 +37,11 @@
                         status = "okay";
                 };
 
+                ahci: sata@01c18000 {
+                        target-supply = <&reg_ahci_5v>;
+                        status = "okay";
+                };
+
                 pinctrl@01c20800 {
                         led_pins_olinuxino: led_pins@0 {
                                 allwinner,pins = "PH2";
@@ -105,4 +111,8 @@
                         default-state = "on";
                 };
         };
+
+        reg_ahci_5v: ahci-5v {
+                status = "okay";
+        };
 };