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From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Date: Sun, 19 May 2024 20:42:18 +0200
Subject: [PATCH 3/8] dt-bindings: soc: intel: lgm-syscon: Move to dedicated
 schema
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Message-Id: <20240519-dt-bindings-mfd-syscon-split-v1-3-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>

intel,lgm-syscon is not a simple syscon device - it has children - 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 -
 .../bindings/soc/intel/intel,lgm-syscon.yaml       | 53 ++++++++++++++++++++++
 2 files changed, 53 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/mfd/syscon.yaml b/Documentation/devicetree/bindings/mfd/syscon.yaml
index 622ea0f1b08e..5a0aeae24a50 100644
--- a/Documentation/devicetree/bindings/mfd/syscon.yaml
+++ b/Documentation/devicetree/bindings/mfd/syscon.yaml
@@ -77,7 +77,6 @@ properties:
               - hisilicon,pcie-sas-subctrl
               - hisilicon,peri-subctrl
               - hpe,gxp-sysreg
-              - intel,lgm-syscon
               - loongson,ls1b-syscon
               - loongson,ls1c-syscon
               - lsi,axxia-syscon
diff --git a/Documentation/devicetree/bindings/soc/intel/intel,lgm-syscon.yaml b/Documentation/devicetree/bindings/soc/intel/intel,lgm-syscon.yaml
new file mode 100644
index 000000000000..aa8d24074fd7
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/intel/intel,lgm-syscon.yaml
@@ -0,0 +1,53 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/intel/intel,lgm-syscon.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Intel Lightning Mountain(LGM) Syscon
+
+maintainers:
+  - Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@linux.intel.com>
+
+properties:
+  compatible:
+    items:
+      - const: intel,lgm-syscon
+      - const: syscon
+
+  reg:
+    maxItems: 1
+
+  "#address-cells":
+    const: 1
+
+  "#size-cells":
+    const: 1
+
+patternProperties:
+  "^emmc-phy@[0-9a-f]+$":
+    $ref: /schemas/phy/intel,lgm-emmc-phy.yaml#
+
+required:
+  - compatible
+  - reg
+  - "#address-cells"
+  - "#size-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    chiptop@e0200000 {
+        compatible = "intel,lgm-syscon", "syscon";
+        reg = <0xe0200000 0x100>;
+        #address-cells = <1>;
+        #size-cells = <1>;
+
+        emmc-phy@a8 {
+            compatible = "intel,lgm-emmc-phy";
+            reg = <0x00a8 0x10>;
+            clocks = <&emmc>;
+            #phy-cells = <0>;
+        };
+    };

-- 
2.43.0