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authorBinbin Zhou <[email protected]>2023-12-18 09:56:38 +0800
committerVinod Koul <[email protected]>2023-12-21 21:35:13 +0530
commit3b3b5339cdc67e98817d08431f8443b08880084f (patch)
treebbd4120c6403cf41687d399d4901f0e06a79d4e0
parent71a5197e2b872afeef8ade3099ffc4050466b542 (diff)
dt-bindings: dmaengine: Add Loongson LS2X APB DMA controller
Add Loongson LS2X APB DMA controller binding with DT schema format using json-schema. Reviewed-by: Conor Dooley <[email protected]> Signed-off-by: Binbin Zhou <[email protected]> Link: https://lore.kernel.org/r/078307641077edaf46dd986c6d31cea15545a208.1702365725.git.zhoubinbin@loongson.cn Signed-off-by: Vinod Koul <[email protected]>
-rw-r--r--Documentation/devicetree/bindings/dma/loongson,ls2x-apbdma.yaml62
-rw-r--r--MAINTAINERS6
2 files changed, 68 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/dma/loongson,ls2x-apbdma.yaml b/Documentation/devicetree/bindings/dma/loongson,ls2x-apbdma.yaml
new file mode 100644
index 000000000000..6a1b49a49a64
--- /dev/null
+++ b/Documentation/devicetree/bindings/dma/loongson,ls2x-apbdma.yaml
@@ -0,0 +1,62 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/dma/loongson,ls2x-apbdma.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Loongson LS2X APB DMA controller
+
+description:
+ The Loongson LS2X APB DMA controller is used for transferring data
+ between system memory and the peripherals on the APB bus.
+
+maintainers:
+ - Binbin Zhou <[email protected]>
+
+allOf:
+ - $ref: dma-controller.yaml#
+
+properties:
+ compatible:
+ oneOf:
+ - const: loongson,ls2k1000-apbdma
+ - items:
+ - const: loongson,ls2k0500-apbdma
+ - const: loongson,ls2k1000-apbdma
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ '#dma-cells':
+ const: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - '#dma-cells'
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ #include <dt-bindings/clock/loongson,ls2k-clk.h>
+
+ dma-controller@1fe00c00 {
+ compatible = "loongson,ls2k1000-apbdma";
+ reg = <0x1fe00c00 0x8>;
+ interrupt-parent = <&liointc1>;
+ interrupts = <12 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clk LOONGSON2_APB_CLK>;
+ #dma-cells = <1>;
+ };
+
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index 97f51d5ec1cf..c9a48bce986e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -12507,6 +12507,12 @@ S: Maintained
F: Documentation/devicetree/bindings/gpio/loongson,ls-gpio.yaml
F: drivers/gpio/gpio-loongson-64bit.c
+LOONGSON LS2X APB DMA DRIVER
+M: Binbin Zhou <[email protected]>
+S: Maintained
+F: Documentation/devicetree/bindings/dma/loongson,ls2x-apbdma.yaml
+
LOONGSON LS2X I2C DRIVER
M: Binbin Zhou <[email protected]>