[PATCH 1/3] dt-bindings: spi: add Sophgo SPI NOR controller driver

Longbin Li
2025-02-24T10:12:57Z

Add SPI NOR driver for Sophgo, including read, write operations.

Signed-off-by: Longbin Li <looong.bin@gmail.com>
---
.../bindings/spi/spi-sophgo-nor.yaml | 52 +++++++++++++++++++
1 file changed, 52 insertions(+)
create mode 100644 Documentation/devicetree/bindings/spi/spi-sophgo-nor.yaml

diff --git a/Documentation/devicetree/bindings/spi/spi-sophgo-nor.yaml b/Documentation/devicetree/bindings/spi/spi-sophgo-nor.yaml
new file mode 100644
index 000000000000..0b54946c649f
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/spi-sophgo-nor.yaml
@@ -0,0 +1,52 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/spi-sophgo-nor.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sophgo SPI NOR controller
+
+maintainers:
+ - Longbin Li <looong.bin@gmail.com>
+
+allOf:
+ - $ref: spi-controller.yaml#
+
+properties:
+ compatible:
+ const: sophgo,sg2044-spifmc-nor
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ resets:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - interrupts
+ - resets
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ spi@1000000 {
+ compatible = "sophgo,sg2044-spifmc-nor";
+ reg = <0x1000000 0x4000000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&clk 0>;
+ interrupts = <37 IRQ_TYPE_LEVEL_HIGH>;
+ resets = <&rst 0>;
+ };
--
2.48.1