| Message ID | 20201123023452.7894-11-jee.heng.sia@intel.com |
|---|---|
| State | New |
| Headers | show |
| Series | dmaengine: dw-axi-dmac: support Intel KeemBay AxiDMA | expand |
On Mon, Nov 23, 2020 at 10:34:46AM +0800, Sia Jee Heng wrote: > Add support for Intel KeemBay AxiDMA to the dw-axi-dmac > Schemas DT binding. > > Signed-off-by: Sia Jee Heng <jee.heng.sia@intel.com> > --- > .../bindings/dma/snps,dw-axi-dmac.yaml | 27 +++++++++++++++++++ > 1 file changed, 27 insertions(+) > > diff --git a/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml b/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml > index 6c2e8e612af5..9e3ca9083814 100644 > --- a/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml > +++ b/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml > @@ -8,6 +8,7 @@ title: Synopsys DesignWare AXI DMA Controller > > maintainers: > - Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com Also, for the first patch, missing a '>' on the end. > + - Jee Heng Sia <jee.heng.sia@intel.com> > > description: | > Synopsys DesignWare AXI DMA Controller DT Binding > @@ -16,14 +17,18 @@ properties: > compatible: > enum: > - snps,axi-dma-1.01a > + - intel,kmb-axi-dma > > reg: > + minItems: 1 > items: > - description: Address range of the DMAC registers > + - description: Address range of the DMAC APB registers Nevermind for my 'reg' comment on the first patch. > > reg-names: > items: > - const: axidma_ctrl_regs > + - const: axidma_apb_regs > > interrupts: > maxItems: 1 > @@ -124,3 +129,25 @@ examples: > snps,priority = <0 1 2 3>; > snps,axi-max-burst-len = <16>; > }; > + > + - | For what's just a new compatible and extra reg field, I don't think we need another example. > + #include <dt-bindings/interrupt-controller/arm-gic.h> > + #include <dt-bindings/interrupt-controller/irq.h> > + /* example with intel,kmb-axi-dma */ > + #define KEEM_BAY_PSS_AXI_DMA > + #define KEEM_BAY_PSS_APB_AXI_DMA > + axi_dma: dma@28000000 { > + compatible = "intel,kmb-axi-dma"; > + reg = <0x28000000 0x1000>, <0x20250000 0x24>; > + reg-names = "axidma_ctrl_regs", "axidma_apb_regs"; > + interrupts = <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>; > + clock-names = "core-clk", "cfgr-clk"; > + clocks = <&scmi_clk KEEM_BAY_PSS_AXI_DMA>, <&scmi_clk KEEM_BAY_PSS_APB_AXI_DMA>; > + #dma-cells = <1>; > + dma-channels = <8>; > + snps,dma-masters = <1>; > + snps,data-width = <4>; > + snps,priority = <0 0 0 0 0 0 0 0>; > + snps,block-size = <1024 1024 1024 1024 1024 1024 1024 1024>; > + snps,axi-max-burst-len = <16>; > + }; > -- > 2.18.0 >
> -----Original Message----- > From: Rob Herring <robh@kernel.org> > Sent: 01 December 2020 6:29 AM > To: Sia, Jee Heng <jee.heng.sia@intel.com> > Cc: vkoul@kernel.org; Eugeniy.Paltsev@synopsys.com; > andriy.shevchenko@linux.intel.com; dmaengine@vger.kernel.org; > linux-kernel@vger.kernel.org; devicetree@vger.kernel.org > Subject: Re: [PATCH v5 10/16] dt-binding: dma: dw-axi-dmac: Add > support for Intel KeemBay AxiDMA > > On Mon, Nov 23, 2020 at 10:34:46AM +0800, Sia Jee Heng wrote: > > Add support for Intel KeemBay AxiDMA to the dw-axi-dmac Schemas > DT > > binding. > > > > Signed-off-by: Sia Jee Heng <jee.heng.sia@intel.com> > > --- > > .../bindings/dma/snps,dw-axi-dmac.yaml | 27 > +++++++++++++++++++ > > 1 file changed, 27 insertions(+) > > > > diff --git > > a/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml > > b/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml > > index 6c2e8e612af5..9e3ca9083814 100644 > > --- a/Documentation/devicetree/bindings/dma/snps,dw-axi- > dmac.yaml > > +++ b/Documentation/devicetree/bindings/dma/snps,dw-axi- > dmac.yaml > > @@ -8,6 +8,7 @@ title: Synopsys DesignWare AXI DMA Controller > > > > maintainers: > > - Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com > > Also, for the first patch, missing a '>' on the end. [>>] Got it. Thanks for the catch. > > > + - Jee Heng Sia <jee.heng.sia@intel.com> > > > > description: | > > Synopsys DesignWare AXI DMA Controller DT Binding @@ -16,14 > +17,18 > > @@ properties: > > compatible: > > enum: > > - snps,axi-dma-1.01a > > + - intel,kmb-axi-dma > > > > reg: > > + minItems: 1 > > items: > > - description: Address range of the DMAC registers > > + - description: Address range of the DMAC APB registers > > Nevermind for my 'reg' comment on the first patch. [>>] OK. > > > > > reg-names: > > items: > > - const: axidma_ctrl_regs > > + - const: axidma_apb_regs > > > > interrupts: > > maxItems: 1 > > @@ -124,3 +129,25 @@ examples: > > snps,priority = <0 1 2 3>; > > snps,axi-max-burst-len = <16>; > > }; > > + > > + - | > > For what's just a new compatible and extra reg field, I don't think we > need another example. [>>] I would suggest to provide the below example if you don't see any harmful. > [>>] The reason is because those compatible and new reg help customer understand the setup > > + #include <dt-bindings/interrupt-controller/arm-gic.h> > > + #include <dt-bindings/interrupt-controller/irq.h> > > + /* example with intel,kmb-axi-dma */ > > + #define KEEM_BAY_PSS_AXI_DMA > > + #define KEEM_BAY_PSS_APB_AXI_DMA > > + axi_dma: dma@28000000 { > > + compatible = "intel,kmb-axi-dma"; > > + reg = <0x28000000 0x1000>, <0x20250000 0x24>; > > + reg-names = "axidma_ctrl_regs", "axidma_apb_regs"; > > + interrupts = <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>; > > + clock-names = "core-clk", "cfgr-clk"; > > + clocks = <&scmi_clk KEEM_BAY_PSS_AXI_DMA>, <&scmi_clk > KEEM_BAY_PSS_APB_AXI_DMA>; > > + #dma-cells = <1>; > > + dma-channels = <8>; > > + snps,dma-masters = <1>; > > + snps,data-width = <4>; > > + snps,priority = <0 0 0 0 0 0 0 0>; > > + snps,block-size = <1024 1024 1024 1024 1024 1024 1024 > 1024>; > > + snps,axi-max-burst-len = <16>; > > + }; > > -- > > 2.18.0 > >
diff --git a/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml b/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml index 6c2e8e612af5..9e3ca9083814 100644 --- a/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml +++ b/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml @@ -8,6 +8,7 @@ title: Synopsys DesignWare AXI DMA Controller maintainers: - Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com + - Jee Heng Sia <jee.heng.sia@intel.com> description: | Synopsys DesignWare AXI DMA Controller DT Binding @@ -16,14 +17,18 @@ properties: compatible: enum: - snps,axi-dma-1.01a + - intel,kmb-axi-dma reg: + minItems: 1 items: - description: Address range of the DMAC registers + - description: Address range of the DMAC APB registers reg-names: items: - const: axidma_ctrl_regs + - const: axidma_apb_regs interrupts: maxItems: 1 @@ -124,3 +129,25 @@ examples: snps,priority = <0 1 2 3>; snps,axi-max-burst-len = <16>; }; + + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/interrupt-controller/irq.h> + /* example with intel,kmb-axi-dma */ + #define KEEM_BAY_PSS_AXI_DMA + #define KEEM_BAY_PSS_APB_AXI_DMA + axi_dma: dma@28000000 { + compatible = "intel,kmb-axi-dma"; + reg = <0x28000000 0x1000>, <0x20250000 0x24>; + reg-names = "axidma_ctrl_regs", "axidma_apb_regs"; + interrupts = <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>; + clock-names = "core-clk", "cfgr-clk"; + clocks = <&scmi_clk KEEM_BAY_PSS_AXI_DMA>, <&scmi_clk KEEM_BAY_PSS_APB_AXI_DMA>; + #dma-cells = <1>; + dma-channels = <8>; + snps,dma-masters = <1>; + snps,data-width = <4>; + snps,priority = <0 0 0 0 0 0 0 0>; + snps,block-size = <1024 1024 1024 1024 1024 1024 1024 1024>; + snps,axi-max-burst-len = <16>; + };
Add support for Intel KeemBay AxiDMA to the dw-axi-dmac Schemas DT binding. Signed-off-by: Sia Jee Heng <jee.heng.sia@intel.com> --- .../bindings/dma/snps,dw-axi-dmac.yaml | 27 +++++++++++++++++++ 1 file changed, 27 insertions(+)