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[v7,06/14] dt-bindings: soc: mobileye: add EyeQ5 OLB system controller

Message ID 20240221-mbly-clk-v7-6-31d4ce3630c3@bootlin.com
State Superseded
Headers show
Series Add support for Mobileye EyeQ5 system controller | expand

Commit Message

Théo Lebrun Feb. 21, 2024, 6:22 p.m. UTC 
Add documentation to describe the "Other Logic Block" syscon.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>
---
 .../bindings/soc/mobileye/mobileye,eyeq5-olb.yaml  | 94 ++++++++++++++++++++++
 1 file changed, 94 insertions(+)
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Patch

diff --git a/Documentation/devicetree/bindings/soc/mobileye/mobileye,eyeq5-olb.yaml b/Documentation/devicetree/bindings/soc/mobileye/mobileye,eyeq5-olb.yaml
new file mode 100644
index 000000000000..bcded7fb86dc
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/mobileye/mobileye,eyeq5-olb.yaml
@@ -0,0 +1,94 @@ 
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/mobileye/mobileye,eyeq5-olb.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Mobileye EyeQ5 SoC system controller
+
+maintainers:
+  - Grégory Clement <gregory.clement@bootlin.com>
+  - Théo Lebrun <theo.lebrun@bootlin.com>
+  - Vladimir Kondratiev <vladimir.kondratiev@mobileye.com>
+
+description:
+  OLB ("Other Logic Block") is a hardware block grouping smaller blocks. Clocks,
+  resets, pinctrl are being handled from here.
+
+properties:
+  compatible:
+    items:
+      - const: mobileye,eyeq5-olb
+      - const: syscon
+      - const: simple-mfd
+
+  reg:
+    maxItems: 1
+
+  '#address-cells':
+    const: 1
+
+  '#size-cells':
+    const: 1
+
+  ranges: true
+
+patternProperties:
+  '^clock-controller@[0-9a-f]+$':
+    $ref: /schemas/clock/mobileye,eyeq5-clk.yaml#
+
+  '^reset-controller@[0-9a-f]+$':
+    $ref: /schemas/reset/mobileye,eyeq5-reset.yaml#
+
+  '^pinctrl@[0-9a-f]+$':
+    $ref: /schemas/pinctrl/mobileye,eyeq5-pinctrl.yaml#
+
+required:
+  - compatible
+  - reg
+  - '#address-cells'
+  - '#size-cells'
+  - ranges
+
+additionalProperties: false
+
+examples:
+  - |
+    soc {
+      #address-cells = <2>;
+      #size-cells = <2>;
+
+      system-controller@e00000 {
+        compatible = "mobileye,eyeq5-olb", "syscon", "simple-mfd";
+        reg = <0x0 0xe00000 0x0 0x400>;
+        ranges = <0x0 0x0 0xe00000 0x400>;
+        #address-cells = <1>;
+        #size-cells = <1>;
+
+        reset: reset-controller@0 {
+          compatible = "mobileye,eyeq5-reset";
+          reg = <0x000 0x0c>, <0x200 0x34>, <0x120 0x04>;
+          reg-names = "d0", "d1", "d2";
+          #reset-cells = <2>;
+        };
+
+        clocks: clock-controller@2c {
+          compatible = "mobileye,eyeq5-clk";
+          reg = <0x02c 0x50>, <0x11c 0x04>;
+          reg-names = "plls", "ospi";
+          #clock-cells = <1>;
+          clocks = <&xtal>;
+          clock-names = "ref";
+        };
+
+        pinctrl: pinctrl@b0 {
+          compatible = "mobileye,eyeq5-pinctrl";
+          reg = <0x0b0 0x30>;
+
+          uart2_pins: uart2-pins {
+            function = "uart2";
+            pins = "PB8", "PB9";
+          };
+        };
+      };
+    };