| Message ID | 1556605118-22700-3-git-send-email-lowry.li@arm.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | drm/komeda: Add SMMU support on Komeda driver | expand |
On Tue, Apr 30, 2019 at 06:19:34AM +0000, Lowry Li (Arm Technology China) wrote: > Updates the device-tree doc about how to enable SMMU by devicetree. > > Signed-off-by: Lowry Li (Arm Technology China) <lowry.li@arm.com> > --- > Documentation/devicetree/bindings/display/arm,komeda.txt | 7 +++++++ > 1 file changed, 7 insertions(+) > > -- > 1.9.1 > > diff --git a/Documentation/devicetree/bindings/display/arm,komeda.txt b/Documentation/devicetree/bindings/display/arm,komeda.txt > index 02b2265..b12c045 100644 > --- a/Documentation/devicetree/bindings/display/arm,komeda.txt > +++ b/Documentation/devicetree/bindings/display/arm,komeda.txt > @@ -11,6 +11,10 @@ Required properties: > - "pclk": for the APB interface clock > - #address-cells: Must be 1 > - #size-cells: Must be 0 > +- iommus: configure the stream id to IOMMU, Must be configured if want to > + enable iommu in display. for how to configure this node please reference > + devicetree/bindings/iommu/arm,smmu-v3.txt, > + devicetree/bindings/iommu/iommu.txt > > Required properties for sub-node: pipeline@nq > Each device contains one or two pipeline sub-nodes (at least one), each > @@ -44,6 +48,9 @@ Example: > interrupts = <0 168 4>; > clocks = <&dpu_mclk>, <&dpu_aclk>; > clock-names = "mclk", "pclk"; > + iommus = <&smmu 0>, <&smmu 1>, <&smmu 2>, <&smmu 3>, > + <&smmu 4>, <&smmu 5>, <&smmu 6>, <&smmu 7>, > + <&smmu 8>, <&smmu 9>; > > dp0_pipe0: pipeline@0 { > clocks = <&fpgaosc2>, <&dpu_aclk>; Looks good to me James
On Tue, Apr 30, 2019 at 07:19:34AM +0100, Lowry Li (Arm Technology China) wrote: > Updates the device-tree doc about how to enable SMMU by devicetree. > > Signed-off-by: Lowry Li (Arm Technology China) <lowry.li@arm.com> Reviewed-by: Liviu Dudau <liviu.dudau@arm.com> Best regards, Liviu > --- > Documentation/devicetree/bindings/display/arm,komeda.txt | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/Documentation/devicetree/bindings/display/arm,komeda.txt b/Documentation/devicetree/bindings/display/arm,komeda.txt > index 02b2265..b12c045 100644 > --- a/Documentation/devicetree/bindings/display/arm,komeda.txt > +++ b/Documentation/devicetree/bindings/display/arm,komeda.txt > @@ -11,6 +11,10 @@ Required properties: > - "pclk": for the APB interface clock > - #address-cells: Must be 1 > - #size-cells: Must be 0 > +- iommus: configure the stream id to IOMMU, Must be configured if want to > + enable iommu in display. for how to configure this node please reference > + devicetree/bindings/iommu/arm,smmu-v3.txt, > + devicetree/bindings/iommu/iommu.txt > > Required properties for sub-node: pipeline@nq > Each device contains one or two pipeline sub-nodes (at least one), each > @@ -44,6 +48,9 @@ Example: > interrupts = <0 168 4>; > clocks = <&dpu_mclk>, <&dpu_aclk>; > clock-names = "mclk", "pclk"; > + iommus = <&smmu 0>, <&smmu 1>, <&smmu 2>, <&smmu 3>, > + <&smmu 4>, <&smmu 5>, <&smmu 6>, <&smmu 7>, > + <&smmu 8>, <&smmu 9>; > > dp0_pipe0: pipeline@0 { > clocks = <&fpgaosc2>, <&dpu_aclk>; > -- > 1.9.1 >
diff --git a/Documentation/devicetree/bindings/display/arm,komeda.txt b/Documentation/devicetree/bindings/display/arm,komeda.txt index 02b2265..b12c045 100644 --- a/Documentation/devicetree/bindings/display/arm,komeda.txt +++ b/Documentation/devicetree/bindings/display/arm,komeda.txt @@ -11,6 +11,10 @@ Required properties: - "pclk": for the APB interface clock - #address-cells: Must be 1 - #size-cells: Must be 0 +- iommus: configure the stream id to IOMMU, Must be configured if want to + enable iommu in display. for how to configure this node please reference + devicetree/bindings/iommu/arm,smmu-v3.txt, + devicetree/bindings/iommu/iommu.txt Required properties for sub-node: pipeline@nq Each device contains one or two pipeline sub-nodes (at least one), each @@ -44,6 +48,9 @@ Example: interrupts = <0 168 4>; clocks = <&dpu_mclk>, <&dpu_aclk>; clock-names = "mclk", "pclk"; + iommus = <&smmu 0>, <&smmu 1>, <&smmu 2>, <&smmu 3>, + <&smmu 4>, <&smmu 5>, <&smmu 6>, <&smmu 7>, + <&smmu 8>, <&smmu 9>; dp0_pipe0: pipeline@0 { clocks = <&fpgaosc2>, <&dpu_aclk>;
Updates the device-tree doc about how to enable SMMU by devicetree. Signed-off-by: Lowry Li (Arm Technology China) <lowry.li@arm.com> --- Documentation/devicetree/bindings/display/arm,komeda.txt | 7 +++++++ 1 file changed, 7 insertions(+)