On 07/11/2022 11:34, Kunihiko Hayashi wrote:

Initial version of devicetree sources for NX1 SoC and boards.

NX1 SoC belongs to the UniPhier armv8 architecture platform, and is
designed for IoT and AI/ML application fields.

+
+		soc_glue: syscon@1f800000 {
+			compatible = "socionext,uniphier-nx1-soc-glue",
+				     "simple-mfd", "syscon";
+			reg = <0x1f800000 0x2000>;
+
+			pinctrl: pinctrl {
+				compatible = "socionext,uniphier-nx1-pinctrl";

So instead of documenting the hardware precisily, you have one big bag
for everything under simple-mfd. This is not how the SoC should be
described in DTS.

+			};
+		};
+
+		soc-glue@1f900000 {
+			compatible = "simple-mfd";

No, it is not allowed on its own. You need a specific compatible and
bindings describing its children.


Best regards,
Krzysztof


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