dt-bindings: atmel-sysreg: add bindings for sama7g5

Add RAM controller and RAM PHY controller DT bindings.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20210415105010.569620-17-claudiu.beznea@microchip.com

diff --git a/Documentation/devicetree/bindings/arm/atmel-sysregs.txt b/Documentation/devicetree/bindings/arm/atmel-sysregs.txt
index 807264a..16eef60 100644 (file)
--- a/Documentation/devicetree/bindings/arm/atmel-sysregs.txt
+++ b/Documentation/devicetree/bindings/arm/atmel-sysregs.txt
@@ -45,7 +45,8 @@ RAMC SDRAM/DDR Controller required properties:
                        "atmel,at91sam9260-sdramc",
                        "atmel,at91sam9g45-ddramc",
                        "atmel,sama5d3-ddramc",
-                       "microchip,sam9x60-ddramc"
+                       "microchip,sam9x60-ddramc",
+                       "microchip,sama7g5-uddrc"
 - reg: Should contain registers location and length
 
 Examples:
@@ -55,6 +56,17 @@ Examples:
                reg = <0xffffe800 0x200>;
        };
 
+RAMC PHY Controller required properties:
+- compatible: Should be "microchip,sama7g5-ddr3phy", "syscon"
+- reg: Should contain registers location and length
+
+Example:
+
+       ddr3phy: ddr3phy@e3804000 {
+               compatible = "microchip,sama7g5-ddr3phy", "syscon";
+               reg = <0xe3804000 0x1000>;
+};
+
 SHDWC Shutdown Controller
 
 required properties: