ARM: dts: sunxi: Add sid for a83t

Allwinner a83t has a 1 KB sid block with efuse for security rootkey and thermal
calibration data, add node to describe it.

a83t-sid is not currently supported by nvmem/sunxi-sid, but it is
supported in an external driver for FreeBSD.

Signed-off-by: Kyle Evans <kevans@FreeBSD.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>

diff --git a/Documentation/devicetree/bindings/nvmem/allwinner,sunxi-sid.txt b/Documentation/devicetree/bindings/nvmem/allwinner,sunxi-sid.txt
index d69543701d5d58dad79bf41772eb1426d8f4efee..e319fe5e205ac5d32af9726285afe942848f934c 100644 (file)
--- a/Documentation/devicetree/bindings/nvmem/allwinner,sunxi-sid.txt
+++ b/Documentation/devicetree/bindings/nvmem/allwinner,sunxi-sid.txt
@@ -4,6 +4,7 @@ Required properties:
 - compatible: Should be one of the following:
   "allwinner,sun4i-a10-sid"
   "allwinner,sun7i-a20-sid"
+  "allwinner,sun8i-a83t-sid"
   "allwinner,sun8i-h3-sid"
   "allwinner,sun50i-a64-sid"
 

diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi
index 568307639be84905835a9caf44a9873970fdd99d..379981389eeaaf42460ce13ebf9d6fea8398016e 100644 (file)
--- a/arch/arm/boot/dts/sun8i-a83t.dtsi
+++ b/arch/arm/boot/dts/sun8i-a83t.dtsi
@@ -492,6 +492,11 @@
                        #size-cells = <0>;
                };
 
+               sid: eeprom@1c14000 {
+                       compatible = "allwinner,sun8i-a83t-sid";
+                       reg = <0x1c14000 0x400>;
+               };
+
                usb_otg: usb@1c19000 {
                        compatible = "allwinner,sun8i-a83t-musb",
                                     "allwinner,sun8i-a33-musb";