openwrt/target/linux/realtek/patches-5.15/003-5.12-spi-realtek-rtl838x-rtl839x-spi-controller.patch

From 6acbd614c2c8d3b8de5fb7605d6e24b9b3a8a17b Mon Sep 17 00:00:00 2001
From: Bert Vermeulen <[email protected]>
Date: Wed, 20 Jan 2021 14:59:27 +0100
Subject: spi: Realtek RTL838x/RTL839x SPI controller

Signed-off-by: Bert Vermeulen <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
---
 .../devicetree/bindings/spi/realtek,rtl-spi.yaml   | 41 ++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/spi/realtek,rtl-spi.yaml

--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/realtek,rtl-spi.yaml
@@ -0,0 +1,41 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/realtek,rtl-spi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Realtek RTL838x/RTL839x SPI controller
+
+maintainers:
+  - Bert Vermeulen <[email protected]>
+  - Birger Koblitz <[email protected]>
+
+allOf:
+  - $ref: "spi-controller.yaml#"
+
+properties:
+  compatible:
+    oneOf:
+      - const: realtek,rtl8380-spi
+      - const: realtek,rtl8382-spi
+      - const: realtek,rtl8391-spi
+      - const: realtek,rtl8392-spi
+      - const: realtek,rtl8393-spi
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    spi: spi@1200 {
+        compatible = "realtek,rtl8382-spi";
+        reg = <0x1200 0x100>;
+        #address-cells = <1>;
+        #size-cells = <0>;
+    };