[PATCH v5 12/12] dt-bindings: fsl-dma: fsl-edma: add edma3 compatible string

From: Frank Li
Date: Tue Jun 13 2023 - 17:35:40 EST


Extend Freescale eDMA driver bindings to support eDMA3 IP blocks in
i.MX8QM and i.MX8QXP SoCs. In i.MX93, both eDMA3 and eDMA4 are now.

Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
---
.../devicetree/bindings/dma/fsl,edma.yaml | 118 +++++++++++++++---
1 file changed, 100 insertions(+), 18 deletions(-)

diff --git a/Documentation/devicetree/bindings/dma/fsl,edma.yaml b/Documentation/devicetree/bindings/dma/fsl,edma.yaml
index 5fd8fc604261..2f79492fb332 100644
--- a/Documentation/devicetree/bindings/dma/fsl,edma.yaml
+++ b/Documentation/devicetree/bindings/dma/fsl,edma.yaml
@@ -21,32 +21,20 @@ properties:
- enum:
- fsl,vf610-edma
- fsl,imx7ulp-edma
+ - fsl,imx8qm-adma
+ - fsl,imx8qm-edma
+ - fsl,imx93-edma3
+ - fsl,imx93-edma4
- items:
- const: fsl,ls1028a-edma
- const: fsl,vf610-edma

- reg:
- minItems: 2
- maxItems: 3
-
- interrupts:
- minItems: 2
- maxItems: 17
-
- interrupt-names:
- minItems: 2
- maxItems: 17
-
- "#dma-cells":
- const: 2
-
- dma-channels:
- const: 32
-
clocks:
+ minItems: 1
maxItems: 2

clock-names:
+ minItems: 1
maxItems: 2

big-endian:
@@ -55,6 +43,43 @@ properties:
eDMA are implemented in big endian mode, otherwise in little mode.
type: boolean

+if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - fsl,imx8qm-adma
+ - fsl,imx8qm-edma
+ - fsl,imx93-edma3
+ - fsl,imx93-edma4
+then:
+ properties:
+ reg:
+ maxItems: 1
+ interrupts:
+ minItems: 1
+ maxItems: 64
+ "#dma-cells":
+ const: 3
+ dma-channels:
+ minItems: 1
+ maxItems: 64
+else:
+ properties:
+ reg:
+ minItems: 2
+ maxItems: 3
+ interrupts:
+ minItems: 2
+ maxItems: 17
+ interrupt-names:
+ minItems: 2
+ maxItems: 17
+ "#dma-cells":
+ const: 2
+ dma-channels:
+ const: 32
+
required:
- "#dma-cells"
- compatible
@@ -101,6 +126,19 @@ allOf:
reg:
maxItems: 2

+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - fsl,imx93-edma3
+ - fsl,imx93-edma4
+ then:
+ properties:
+ clock-names:
+ const: dma
+
+
unevaluatedProperties: false

examples:
@@ -153,3 +191,47 @@ examples:
clock-names = "dma", "dmamux0";
clocks = <&pcc2 IMX7ULP_CLK_DMA1>, <&pcc2 IMX7ULP_CLK_DMA_MUX1>;
};
+
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/clock/imx93-clock.h>
+
+ dma-controller@44000000 {
+ compatible = "fsl,imx93-edma3";
+ reg = <0x44000000 0x200000>;
+ #dma-cells = <3>;
+ dma-channels = <31>;
+ interrupts = <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 111 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 114 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 115 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 119 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 124 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clk IMX93_CLK_EDMA1_GATE>;
+ clock-names = "dma";
+ };
--
2.34.1