[PATCH v2 12/16] dt-bindings: soc: socionext: Add UniPhier media I/O block

From: Kunihiko Hayashi
Date: Wed Dec 07 2022 - 00:55:07 EST


Add devicetree binding schema for the media I/O block implemented on
Socionext Uniphier SoCs. This block is implemented on LD4, sLD8, Pro4,
and LD11 SoCs.

Media I/O block implemented on Socionext UniPhier SoCs is an integrated
component of the stream type peripherals including SD, USB2.0, eMMC,
and MIO-DMAC.

Media I/O block has a common logic to control the component.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@xxxxxxxxxxxxx>
---
.../socionext/socionext,uniphier-mioctrl.yaml | 66 +++++++++++++++++++
1 file changed, 66 insertions(+)
create mode 100644 Documentation/devicetree/bindings/soc/socionext/socionext,uniphier-mioctrl.yaml

diff --git a/Documentation/devicetree/bindings/soc/socionext/socionext,uniphier-mioctrl.yaml b/Documentation/devicetree/bindings/soc/socionext/socionext,uniphier-mioctrl.yaml
new file mode 100644
index 000000000000..1994355a27d3
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/socionext/socionext,uniphier-mioctrl.yaml
@@ -0,0 +1,66 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/socionext/socionext,uniphier-mioctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Socionext UniPhier media I/O block (MIO) controller
+
+maintainers:
+ - Kunihiko Hayashi <hayashi.kunihiko@xxxxxxxxxxxxx>
+
+description: |+
+ Media I/O block implemented on Socionext UniPhier SoCs is a legacy
+ integrated component of the stream type peripherals including USB2.0,
+ SD/eMMC, and MIO-DMAC.
+ Media I/O block has a common logic to control the component.
+
+ Recent SoCs have SD interface logic specialized only for SD functions
+ as a subset of media I/O block. See socionext,uniphier-sdctrl.yaml.
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - socionext,uniphier-ld4-mioctrl
+ - socionext,uniphier-pro4-mioctrl
+ - socionext,uniphier-sld8-mioctrl
+ - socionext,uniphier-ld11-mioctrl
+ - const: simple-mfd
+ - const: syscon
+
+ reg:
+ maxItems: 1
+
+patternProperties:
+ "^clock-controller(@[0-9a-f]+)?$":
+ $ref: /schemas/clock/socionext,uniphier-clock.yaml#
+
+ "^reset-controller(@[0-9a-f]+)?$":
+ $ref: /schemas/reset/socionext,uniphier-reset.yaml#
+
+required:
+ - compatible
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ syscon@5b3e0000 {
+ compatible = "socionext,uniphier-ld11-mioctrl",
+ "simple-mfd", "syscon";
+ reg = <0x5b3e0000 0x800>;
+
+ clock-controller {
+ compatible = "socionext,uniphier-ld11-mio-clock";
+ #clock-cells = <1>;
+ };
+
+ reset-controller {
+ compatible = "socionext,uniphier-ld11-mio-reset";
+ #reset-cells = <1>;
+ resets = <&sys_rst 7>;
+ };
+ };
+
--
2.25.1