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-rw-r--r--dts/Bindings/spi/renesas,hspi.yaml57
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diff --git a/dts/Bindings/spi/renesas,hspi.yaml b/dts/Bindings/spi/renesas,hspi.yaml
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+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/renesas,hspi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Renesas HSPI
+
+maintainers:
+ - Geert Uytterhoeven <geert+renesas@glider.be>
+
+allOf:
+ - $ref: spi-controller.yaml#
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - renesas,hspi-r8a7778 # R-Car M1A
+ - renesas,hspi-r8a7779 # R-Car H1
+ - const: renesas,hspi
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ power-domains:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - '#address-cells'
+ - '#size-cells'
+
+examples:
+ - |
+ #include <dt-bindings/clock/r8a7778-clock.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ hspi0: spi@fffc7000 {
+ compatible = "renesas,hspi-r8a7778", "renesas,hspi";
+ reg = <0xfffc7000 0x18>;
+ interrupts = <0 63 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&mstp0_clks R8A7778_CLK_HSPI>;
+ power-domains = <&cpg_clocks>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+