| Message ID | 20210519143700.27392-4-bhupesh.sharma@linaro.org |
|---|---|
| State | New |
| Headers | show |
| Series | Enable Qualcomm Crypto Engine on sm8250 | expand |
On Wed, May 19, 2021 at 08:06:46PM +0530, Bhupesh Sharma wrote: > Add the missing required property - 'iommus' to the > device-tree binding documentation for qcom-bam DMA IP. > > This property describes the phandle(s) to apps_smmu node with sid mask. > > Cc: Thara Gopinath <thara.gopinath@linaro.org> > Cc: Bjorn Andersson <bjorn.andersson@linaro.org> > Cc: Rob Herring <robh+dt@kernel.org> > Cc: Andy Gross <agross@kernel.org> > Cc: Herbert Xu <herbert@gondor.apana.org.au> > Cc: David S. Miller <davem@davemloft.net> > Cc: Stephen Boyd <sboyd@kernel.org> > Cc: Michael Turquette <mturquette@baylibre.com> > Cc: Vinod Koul <vkoul@kernel.org> > Cc: dmaengine@vger.kernel.org > Cc: linux-clk@vger.kernel.org > Cc: linux-crypto@vger.kernel.org > Cc: devicetree@vger.kernel.org > Cc: linux-kernel@vger.kernel.org > Cc: bhupesh.linux@gmail.com > Signed-off-by: Bhupesh Sharma <bhupesh.sharma@linaro.org> > --- > .../devicetree/bindings/dma/qcom_bam_dma.yaml | 11 +++++++++++ > 1 file changed, 11 insertions(+) > > diff --git a/Documentation/devicetree/bindings/dma/qcom_bam_dma.yaml b/Documentation/devicetree/bindings/dma/qcom_bam_dma.yaml > index d2900616006c..2479862a3654 100644 > --- a/Documentation/devicetree/bindings/dma/qcom_bam_dma.yaml > +++ b/Documentation/devicetree/bindings/dma/qcom_bam_dma.yaml > @@ -55,6 +55,12 @@ properties: > interconnect-names: > const: memory > > + iommus: > + minItems: 1 > + maxItems: 8 > + description: | > + phandle to apps_smmu node with sid mask. And what are the other 7 entries? > + > qcom,ee: > $ref: /schemas/types.yaml#/definitions/uint8 > description: > @@ -81,6 +87,7 @@ required: > - clocks > - clock-names > - "#dma-cells" > + - iommus > - qcom,ee > > additionalProperties: false > @@ -96,4 +103,8 @@ examples: > clock-names = "bam_clk"; > #dma-cells = <1>; > qcom,ee = /bits/ 8 <0>; > + iommus = <&apps_smmu 0x584 0x0011>, > + <&apps_smmu 0x586 0x0011>, > + <&apps_smmu 0x594 0x0011>, > + <&apps_smmu 0x596 0x0011>; > }; > -- > 2.31.1 >
Hi, On Wed, May 19, 2021 at 08:06:46PM +0530, Bhupesh Sharma wrote: > Add the missing required property - 'iommus' to the > device-tree binding documentation for qcom-bam DMA IP. > > This property describes the phandle(s) to apps_smmu node with sid mask. > > Cc: Thara Gopinath <thara.gopinath@linaro.org> > Cc: Bjorn Andersson <bjorn.andersson@linaro.org> > Cc: Rob Herring <robh+dt@kernel.org> > Cc: Andy Gross <agross@kernel.org> > Cc: Herbert Xu <herbert@gondor.apana.org.au> > Cc: David S. Miller <davem@davemloft.net> > Cc: Stephen Boyd <sboyd@kernel.org> > Cc: Michael Turquette <mturquette@baylibre.com> > Cc: Vinod Koul <vkoul@kernel.org> > Cc: dmaengine@vger.kernel.org > Cc: linux-clk@vger.kernel.org > Cc: linux-crypto@vger.kernel.org > Cc: devicetree@vger.kernel.org > Cc: linux-kernel@vger.kernel.org > Cc: bhupesh.linux@gmail.com > Signed-off-by: Bhupesh Sharma <bhupesh.sharma@linaro.org> > --- > .../devicetree/bindings/dma/qcom_bam_dma.yaml | 11 +++++++++++ > 1 file changed, 11 insertions(+) > > diff --git a/Documentation/devicetree/bindings/dma/qcom_bam_dma.yaml b/Documentation/devicetree/bindings/dma/qcom_bam_dma.yaml > index d2900616006c..2479862a3654 100644 > --- a/Documentation/devicetree/bindings/dma/qcom_bam_dma.yaml > +++ b/Documentation/devicetree/bindings/dma/qcom_bam_dma.yaml > @@ -55,6 +55,12 @@ properties: > interconnect-names: > const: memory > > + iommus: > + minItems: 1 > + maxItems: 8 > + description: | > + phandle to apps_smmu node with sid mask. > + > qcom,ee: > $ref: /schemas/types.yaml#/definitions/uint8 > description: > @@ -81,6 +87,7 @@ required: > - clocks > - clock-names > - "#dma-cells" > + - iommus I don't think we can make this required, older SoCs don't use "iommus" for bam_dma. arch/arm64/boot/dts/qcom/apq8016-sbc.dt.yaml: dma-controller@7884000: 'iommus' is a required property From schema: Documentation/devicetree/bindings/dma/qcom_bam_dma.yaml Stephan
diff --git a/Documentation/devicetree/bindings/dma/qcom_bam_dma.yaml b/Documentation/devicetree/bindings/dma/qcom_bam_dma.yaml index d2900616006c..2479862a3654 100644 --- a/Documentation/devicetree/bindings/dma/qcom_bam_dma.yaml +++ b/Documentation/devicetree/bindings/dma/qcom_bam_dma.yaml @@ -55,6 +55,12 @@ properties: interconnect-names: const: memory + iommus: + minItems: 1 + maxItems: 8 + description: | + phandle to apps_smmu node with sid mask. + qcom,ee: $ref: /schemas/types.yaml#/definitions/uint8 description: @@ -81,6 +87,7 @@ required: - clocks - clock-names - "#dma-cells" + - iommus - qcom,ee additionalProperties: false @@ -96,4 +103,8 @@ examples: clock-names = "bam_clk"; #dma-cells = <1>; qcom,ee = /bits/ 8 <0>; + iommus = <&apps_smmu 0x584 0x0011>, + <&apps_smmu 0x586 0x0011>, + <&apps_smmu 0x594 0x0011>, + <&apps_smmu 0x596 0x0011>; };
Add the missing required property - 'iommus' to the device-tree binding documentation for qcom-bam DMA IP. This property describes the phandle(s) to apps_smmu node with sid mask. Cc: Thara Gopinath <thara.gopinath@linaro.org> Cc: Bjorn Andersson <bjorn.andersson@linaro.org> Cc: Rob Herring <robh+dt@kernel.org> Cc: Andy Gross <agross@kernel.org> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: David S. Miller <davem@davemloft.net> Cc: Stephen Boyd <sboyd@kernel.org> Cc: Michael Turquette <mturquette@baylibre.com> Cc: Vinod Koul <vkoul@kernel.org> Cc: dmaengine@vger.kernel.org Cc: linux-clk@vger.kernel.org Cc: linux-crypto@vger.kernel.org Cc: devicetree@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: bhupesh.linux@gmail.com Signed-off-by: Bhupesh Sharma <bhupesh.sharma@linaro.org> --- .../devicetree/bindings/dma/qcom_bam_dma.yaml | 11 +++++++++++ 1 file changed, 11 insertions(+)