[PATCH 01/11] dt-bindings: soc: mobileye: add EyeQ5 OLB system controller

Théo Lebrun
2024-04-10T17:12:35Z

Add documentation to describe the "Other Logic Block" syscon.

Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>
---
.../bindings/soc/mobileye/mobileye,eyeq5-olb.yaml | 125 +++++++++++++++++++++
MAINTAINERS | 1 +
2 files changed, 126 insertions(+)

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..c4e33a167fab
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/mobileye/mobileye,eyeq5-olb.yaml
@@ -0,0 +1,125 @@
+# 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 EyeQ 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. EyeQ5 and EyeQ6L host a single
+ instance. EyeQ6H hosts seven instances.
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - mobileye,eyeq5-olb
+ - mobileye,eyeq6l-olb
+ - mobileye,eyeq6h-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-controller@e00000 {
+ compatible = "mobileye,eyeq5-reset";
+ reg = <0x000 0x0c>, <0x200 0x34>, <0x120 0x04>;
+ reg-names = "d0", "d1", "d2";
+ #reset-cells = <2>;
+ };
+
+ clock-controller@e0002c {
+ compatible = "mobileye,eyeq5-clk";
+ reg = <0x02c 0x50>, <0x11c 0x04>;
+ reg-names = "plls", "ospi";
+ #clock-cells = <1>;
+ clocks = <&xtal>;
+ clock-names = "ref";
+ };
+
+ pinctrl@e000b0 {
+ compatible = "mobileye,eyeq5-pinctrl";
+ reg = <0x0b0 0x30>;
+
+ uart2_pins: uart2-pins {
+ function = "uart2";
+ pins = "PB8", "PB9";
+ };
+ };
+ };
+ };
+ - |
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ system-controller@d2003000 {
+ compatible = "mobileye,eyeq6h-olb", "syscon", "simple-mfd";
+ reg = <0x0 0xd2003000 0x0 0x1000>;
+ ranges = <0x0 0x0 0xd2003000 0x1000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ reset-controller@d2003000 {
+ compatible = "mobileye,eyeq6h-acc-reset";
+ reg = <0x0 0x3c>;
+ #reset-cells = <1>;
+ };
+
+ clock-controller@d2003040 {
+ compatible = "mobileye,eyeq6h-acc-clk";
+ reg = <0x40 0x38>;
+ #clock-cells = <1>;
+ clocks = <&xtal>;
+ clock-names = "ref";
+ };
+ };
+ };
diff --git a/MAINTAINERS b/MAINTAINERS
index aa3b947fb080..30dfbee84007 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -14926,6 +14926,7 @@ M: Théo Lebrun <theo.lebrun@bootlin.com>
L: linux-mips@vger.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/mips/mobileye.yaml
+F: Documentation/devicetree/bindings/soc/mobileye/
F: arch/mips/boot/dts/mobileye/
F: arch/mips/configs/eyeq5_defconfig
F: arch/mips/mobileye/board-epm5.its.S

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2.44.0