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Message-Id: <20230821161617.2142561-12-Frank.Li@nxp.com>
Date: Mon, 21 Aug 2023 12:16:16 -0400
From: Frank Li <Frank.Li@....com>
To: frank.li@....com, vkoul@...nel.org
Cc: devicetree@...r.kernel.org, dmaengine@...r.kernel.org,
imx@...ts.linux.dev, joy.zou@....com,
krzysztof.kozlowski+dt@...aro.org, linux-kernel@...r.kernel.org,
peng.fan@....com, robh+dt@...nel.org, shenwei.wang@....com
Subject: [PATCH v11 11/12] dt-bindings: fsl-dma: fsl-edma: add edma3 compatible string
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.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Signed-off-by: Frank Li <Frank.Li@....com>
---
.../devicetree/bindings/dma/fsl,edma.yaml | 106 ++++++++++++++++--
1 file changed, 99 insertions(+), 7 deletions(-)
diff --git a/Documentation/devicetree/bindings/dma/fsl,edma.yaml b/Documentation/devicetree/bindings/dma/fsl,edma.yaml
index 5fd8fc604261..437db0c62339 100644
--- a/Documentation/devicetree/bindings/dma/fsl,edma.yaml
+++ b/Documentation/devicetree/bindings/dma/fsl,edma.yaml
@@ -21,32 +21,41 @@ 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
+ minItems: 1
maxItems: 3
interrupts:
- minItems: 2
- maxItems: 17
+ minItems: 1
+ maxItems: 64
interrupt-names:
- minItems: 2
- maxItems: 17
+ minItems: 1
+ maxItems: 64
"#dma-cells":
- const: 2
+ enum:
+ - 2
+ - 3
dma-channels:
- const: 32
+ minItems: 1
+ maxItems: 64
clocks:
+ minItems: 1
maxItems: 2
clock-names:
+ minItems: 1
maxItems: 2
big-endian:
@@ -65,6 +74,29 @@ required:
allOf:
- $ref: dma-controller.yaml#
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - fsl,imx8qm-adma
+ - fsl,imx8qm-edma
+ - fsl,imx93-edma3
+ - fsl,imx93-edma4
+ then:
+ properties:
+ "#dma-cells":
+ const: 3
+ # It is not necessary to write the interrupt name for each channel.
+ # instead, you can simply maintain the sequential IRQ numbers as
+ # defined for the DMA channels.
+ interrupt-names: false
+ clock-names:
+ items:
+ - const: dma
+ clocks:
+ maxItems: 1
+
- if:
properties:
compatible:
@@ -72,18 +104,26 @@ allOf:
const: fsl,vf610-edma
then:
properties:
+ clocks:
+ minItems: 2
clock-names:
items:
- const: dmamux0
- const: dmamux1
interrupts:
+ minItems: 2
maxItems: 2
interrupt-names:
items:
- const: edma-tx
- const: edma-err
reg:
+ minItems: 2
maxItems: 3
+ "#dma-cells":
+ const: 2
+ dma-channels:
+ const: 32
- if:
properties:
@@ -92,14 +132,22 @@ allOf:
const: fsl,imx7ulp-edma
then:
properties:
+ clock:
+ minItems: 2
clock-names:
items:
- const: dma
- const: dmamux0
interrupts:
+ minItems: 2
maxItems: 17
reg:
+ minItems: 2
maxItems: 2
+ "#dma-cells":
+ const: 2
+ dma-channels:
+ const: 32
unevaluatedProperties: false
@@ -153,3 +201,47 @@ 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@...00000 {
+ 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
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