| Message ID | 20230529200453.1423796-13-Frank.Li@nxp.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | dmaengine: edma: add freescale edma v3 support | expand |
On 29/05/2023 22:04, Frank Li wrote: > 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@nxp.com> > --- > .../devicetree/bindings/dma/fsl,edma.yaml | 20 +++++++++++++++++++ > 1 file changed, 20 insertions(+) > > diff --git a/Documentation/devicetree/bindings/dma/fsl,edma.yaml b/Documentation/devicetree/bindings/dma/fsl,edma.yaml > index 5fd8fc604261..eed12687b0c9 100644 > --- a/Documentation/devicetree/bindings/dma/fsl,edma.yaml > +++ b/Documentation/devicetree/bindings/dma/fsl,edma.yaml > @@ -21,6 +21,10 @@ properties: > - enum: > - fsl,vf610-edma > - fsl,imx7ulp-edma > + - fsl,imx8qm-edma > + - fsl,imx8qm-adma > + - fsl,imx93-edma3 > + - fsl,imx93-edma4 What are these last two? What is "3" and "4"? > - items: > - const: fsl,ls1028a-edma > - const: fsl,vf610-edma > @@ -101,6 +105,22 @@ allOf: > reg: > maxItems: 2 > > + - if: > + properties: > + compatible: > + contains: > + anyOf: > + - const: fsl,imx8qm-edma > + - const: fsl,imx8qm-adma > + - const: fsl,imx93-edma3 > + - const: fsl,imx93-edma4 > + then: > + properties: > + reg: > + maxItems: 1 > + interrupts: > + maxItems: 64 That's odd. What about the names? What about minItems? Anyway, this wasn't tested - you will have failures with dtbs_check. Best regards, Krzysztof
On Tue, May 30, 2023 at 03:08:48PM +0200, Krzysztof Kozlowski wrote: > > diff --git a/Documentation/devicetree/bindings/dma/fsl,edma.yaml b/Documentation/devicetree/bindings/dma/fsl,edma.yaml > > index 5fd8fc604261..eed12687b0c9 100644 > > --- a/Documentation/devicetree/bindings/dma/fsl,edma.yaml > > +++ b/Documentation/devicetree/bindings/dma/fsl,edma.yaml > > @@ -21,6 +21,10 @@ properties: > > - enum: > > - fsl,vf610-edma > > - fsl,imx7ulp-edma > > + - fsl,imx8qm-edma > > + - fsl,imx8qm-adma > > + - fsl,imx93-edma3 > > + - fsl,imx93-edma4 > > What are these last two? What is "3" and "4"? imx93 edma have two version, edma3(AHB) and edma4(AXI). There are little bit difference at channel space size. +static struct fsl_edma_drvdata imx93_data3 = { + .version = v3, + .flags = FSL_EDMA_DRV_HAS_CHMUX | FSL_EDMA_DRV_HAS_DMACLK, + .chreg_space_sz = 0x10000, + .chreg_off = 0x10000, + .setup_irq = fsl_edma3_irq_init, +}; + +static struct fsl_edma_drvdata imx93_data4 = { + .version = v4, + .flags = FSL_EDMA_DRV_HAS_CHMUX | FSL_EDMA_DRV_HAS_DMACLK, + .chreg_space_sz = 0x8000, + .chreg_off = 0x10000, + .setup_irq = fsl_edma3_irq_init, +}; > > > - items: > > - const: fsl,ls1028a-edma > > - const: fsl,vf610-edma > > @@ -101,6 +105,22 @@ allOf: > > reg: > > maxItems: 2 > > > > + - if: > > + properties: > > + compatible: > > + contains: > > + anyOf: > > + - const: fsl,imx8qm-edma > > + - const: fsl,imx8qm-adma > > + - const: fsl,imx93-edma3 > > + - const: fsl,imx93-edma4 > > + then: > > + properties: > > + reg: > > + maxItems: 1 > > + interrupts: > > + maxItems: 64 > > That's odd. What about the names? What about minItems? Anyway, this > wasn't tested - you will have failures with dtbs_check. It passed dtbs_check. interrupt-names is optional property, which will no used after edma v3. Planned dts look like: + edma1: 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>, .... + }; > > > > Best regards, > Krzysztof >
On 30/05/2023 15:57, Frank Li wrote: > On Tue, May 30, 2023 at 03:08:48PM +0200, Krzysztof Kozlowski wrote: >>> diff --git a/Documentation/devicetree/bindings/dma/fsl,edma.yaml b/Documentation/devicetree/bindings/dma/fsl,edma.yaml >>> index 5fd8fc604261..eed12687b0c9 100644 >>> --- a/Documentation/devicetree/bindings/dma/fsl,edma.yaml >>> +++ b/Documentation/devicetree/bindings/dma/fsl,edma.yaml >>> @@ -21,6 +21,10 @@ properties: >>> - enum: >>> - fsl,vf610-edma >>> - fsl,imx7ulp-edma >>> + - fsl,imx8qm-edma >>> + - fsl,imx8qm-adma >>> + - fsl,imx93-edma3 >>> + - fsl,imx93-edma4 >> >> What are these last two? What is "3" and "4"? > > imx93 edma have two version, edma3(AHB) and edma4(AXI). > There are little bit difference at channel space size. > > +static struct fsl_edma_drvdata imx93_data3 = { > + .version = v3, > + .flags = FSL_EDMA_DRV_HAS_CHMUX | FSL_EDMA_DRV_HAS_DMACLK, > + .chreg_space_sz = 0x10000, > + .chreg_off = 0x10000, > + .setup_irq = fsl_edma3_irq_init, > +}; > + > +static struct fsl_edma_drvdata imx93_data4 = { > + .version = v4, > + .flags = FSL_EDMA_DRV_HAS_CHMUX | FSL_EDMA_DRV_HAS_DMACLK, > + .chreg_space_sz = 0x8000, > + .chreg_off = 0x10000, > + .setup_irq = fsl_edma3_irq_init, OK > +}; > >> >>> - items: >>> - const: fsl,ls1028a-edma >>> - const: fsl,vf610-edma >>> @@ -101,6 +105,22 @@ allOf: >>> reg: >>> maxItems: 2 >>> >>> + - if: >>> + properties: >>> + compatible: >>> + contains: >>> + anyOf: >>> + - const: fsl,imx8qm-edma >>> + - const: fsl,imx8qm-adma >>> + - const: fsl,imx93-edma3 >>> + - const: fsl,imx93-edma4 >>> + then: >>> + properties: >>> + reg: >>> + maxItems: 1 >>> + interrupts: >>> + maxItems: 64 >> >> That's odd. What about the names? What about minItems? Anyway, this >> wasn't tested - you will have failures with dtbs_check. > > It passed dtbs_check. interrupt-names is optional property, which > will no used after edma v3. > > Planned dts look like: > > + edma1: 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>, > .... So add here interrupt-names and double check the result... Optional means it can appear. Best regards, Krzysztof
diff --git a/Documentation/devicetree/bindings/dma/fsl,edma.yaml b/Documentation/devicetree/bindings/dma/fsl,edma.yaml index 5fd8fc604261..eed12687b0c9 100644 --- a/Documentation/devicetree/bindings/dma/fsl,edma.yaml +++ b/Documentation/devicetree/bindings/dma/fsl,edma.yaml @@ -21,6 +21,10 @@ properties: - enum: - fsl,vf610-edma - fsl,imx7ulp-edma + - fsl,imx8qm-edma + - fsl,imx8qm-adma + - fsl,imx93-edma3 + - fsl,imx93-edma4 - items: - const: fsl,ls1028a-edma - const: fsl,vf610-edma @@ -101,6 +105,22 @@ allOf: reg: maxItems: 2 + - if: + properties: + compatible: + contains: + anyOf: + - const: fsl,imx8qm-edma + - const: fsl,imx8qm-adma + - const: fsl,imx93-edma3 + - const: fsl,imx93-edma4 + then: + properties: + reg: + maxItems: 1 + interrupts: + maxItems: 64 + unevaluatedProperties: false examples:
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@nxp.com> --- .../devicetree/bindings/dma/fsl,edma.yaml | 20 +++++++++++++++++++ 1 file changed, 20 insertions(+)