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From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Date: Sun, 19 May 2024 20:42:19 +0200
Subject: [PATCH 4/8] dt-bindings: soc: microchip: sparx5-cpu-syscon: Move
 to dedicated schema
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Message-Id: <20240519-dt-bindings-mfd-syscon-split-v1-4-aaf996e2313a@linaro.org>
References: <20240519-dt-bindings-mfd-syscon-split-v1-0-aaf996e2313a@linaro.org>
In-Reply-To: <20240519-dt-bindings-mfd-syscon-split-v1-0-aaf996e2313a@linaro.org>
To: Lee Jones <lee@kernel.org>, Rob Herring <robh@kernel.org>, 
 Krzysztof Kozlowski <krzk+dt@kernel.org>, 
 Conor Dooley <conor+dt@kernel.org>, 
 Lars Povlsen <lars.povlsen@microchip.com>, 
 Steen Hegelund <Steen.Hegelund@microchip.com>, 
 Daniel Machon <daniel.machon@microchip.com>, UNGLinuxDriver@microchip.com, 
 Nishanth Menon <nm@ti.com>, Matthias Brugger <matthias.bgg@gmail.com>, 
 AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Cc: Jiaxun Yang <jiaxun.yang@flygoat.com>, devicetree@vger.kernel.org, 
 linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, 
 linux-mediatek@lists.infradead.org, 
 Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

microchip,sparx5-cpu-syscon is not a simple syscon device - it has
children and implements simple-mfd compatible - thus it should be fully
documented in its own binding.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

---

Context might depend on
https://lore.kernel.org/r/20240510123018.3902184-1-robh@kernel.org
and also further patches here depend on this one.
---
 Documentation/devicetree/bindings/mfd/syscon.yaml  |  1 -
 .../soc/microchip/microchip,sparx5-cpu-syscon.yaml | 49 ++++++++++++++++++++++
 2 files changed, 49 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/mfd/syscon.yaml b/Documentation/devicetree/bindings/mfd/syscon.yaml
index 5a0aeae24a50..91adf781e8ba 100644
--- a/Documentation/devicetree/bindings/mfd/syscon.yaml
+++ b/Documentation/devicetree/bindings/mfd/syscon.yaml
@@ -95,7 +95,6 @@ properties:
               - microchip,lan966x-cpu-syscon
               - microchip,sam9x60-sfr
               - microchip,sama7g5-ddr3phy
-              - microchip,sparx5-cpu-syscon
               - mscc,ocelot-cpu-syscon
               - mstar,msc313-pmsleep
               - nuvoton,ma35d1-sys
diff --git a/Documentation/devicetree/bindings/soc/microchip/microchip,sparx5-cpu-syscon.yaml b/Documentation/devicetree/bindings/soc/microchip/microchip,sparx5-cpu-syscon.yaml
new file mode 100644
index 000000000000..1f0b542d2296
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/microchip/microchip,sparx5-cpu-syscon.yaml
@@ -0,0 +1,49 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/microchip/microchip,sparx5-cpu-syscon.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip Sparx5 CPU Syscon
+
+maintainers:
+  - Lars Povlsen <lars.povlsen@microchip.com>
+
+properties:
+  compatible:
+    items:
+      - const: microchip,sparx5-cpu-syscon
+      - const: syscon
+      - const: simple-mfd
+
+  reg:
+    maxItems: 1
+
+  mux-controller:
+    $ref: /schemas/mux/reg-mux.yaml#
+
+required:
+  - compatible
+  - reg
+  - mux-controller
+
+additionalProperties: false
+
+examples:
+  - |
+    soc {
+        #address-cells = <2>;
+        #size-cells = <1>;
+
+        syscon@600000000 {
+            compatible = "microchip,sparx5-cpu-syscon", "syscon",
+                         "simple-mfd";
+            reg = <0x6 0x00000000 0xd0>;
+
+            mux: mux-controller {
+                compatible = "mmio-mux";
+                #mux-control-cells = <1>;
+                mux-reg-masks = <0x88 0xf0>;
+            };
+        };
+    };

-- 
2.43.0