linux-kernel - [PATCH 3/4] dt-bindings: mfd: add schema for 8ulp's SIM

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Date: Thu, 16 May 2024 23:40:30 +0300
From: Laurentiu Mihalcea <laurentiumihalcea111@...il.com>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Lee Jones <lee@...nel.org>,
	Shawn Guo <shawnguo@...nel.org>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Liu Ying <victor.liu@....com>,
	Sascha Hauer <s.hauer@...gutronix.de>
Cc: laurentiu.mihalcea@....com,
	devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 3/4] dt-bindings: mfd: add schema for 8ulp's SIM

From: Laurentiu Mihalcea <laurentiu.mihalcea@....com>

Add schema for i.MX8ULP's SIM.

Signed-off-by: Liu Ying <victor.liu@....com>
Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@....com>
---
 .../bindings/mfd/nxp,imx8ulp-sim.yaml         | 71 +++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mfd/nxp,imx8ulp-sim.yaml

diff --git a/Documentation/devicetree/bindings/mfd/nxp,imx8ulp-sim.yaml b/Documentation/devicetree/bindings/mfd/nxp,imx8ulp-sim.yaml
new file mode 100644
index 000000000000..fbb17c06e3c0
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/nxp,imx8ulp-sim.yaml
@@ -0,0 +1,71 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mfd/nxp,imx8ulp-sim.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP i.MX8ULP System Integration Module
+
+maintainers:
+  - Liu Ying <victor.liu@....com>
+
+description: |
+  8ULP's SIM provides control and configuration options for
+  some of the chip's components.
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - nxp,imx8ulp-avd-sim
+      - const: syscon
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  mux-controller:
+    $ref: ../mux/reg-mux.yaml
+
+  reset-controller:
+    $ref: ../reset/nxp,imx8ulp-sim-reset.yaml
+
+required:
+  - compatible
+  - reg
+  - clocks
+
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: nxp,imx8ulp-avd-sim
+    then:
+      required:
+        - reset-controller
+        - mux-controller
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/imx8ulp-clock.h>
+    syscon@...50000 {
+      compatible = "nxp,imx8ulp-avd-sim", "syscon";
+      reg = <0x2da50000 0x38>;
+      clocks = <&pcc5 IMX8ULP_CLK_AVD_SIM>;
+
+      mux-controller {
+        compatible = "mmio-mux";
+        #mux-control-cells = <1>;
+        mux-reg-masks = <0x8 0x00000200>;
+      };
+
+      reset-controller {
+        compatible = "nxp,imx8ulp-avd-sim-reset";
+        #reset-cells = <1>;
+      };
+    };
-- 
2.34.1