Re: [PATCH v2 3/4] dt-bindings: remoteproc: Add bindings for Davinci DSP processors
On 08/10/2017 09:01 AM, Rob Herring wrote: > On Tue, Aug 01, 2017 at 10:48:43AM -0500, Suman Anna wrote: >> Add the device tree bindings document for the DSP processor >> subsystem devices on TI Davinci DA8xx/OMAP-L13x SoCs. >> >> Signed-off-by: Suman Anna>> --- >> v2: >> - Updated the patch header >> - Revised the binding status statement slightly >> - Updated the example to address Rob's comments >> - No changes in properties description themselves >> v1: https://patchwork.kernel.org/patch/9751269/ >> >> .../bindings/remoteproc/ti,davinci-rproc.txt | 86 >> ++ >> 1 file changed, 86 insertions(+) >> create mode 100644 >> Documentation/devicetree/bindings/remoteproc/ti,davinci-rproc.txt > > Acked-by: Rob Herring Thanks Rob. Bjorn, Appreciate it if you can pick up the series for v4.14. Thanks, Suman
Re: [PATCH v2 3/4] dt-bindings: remoteproc: Add bindings for Davinci DSP processors
On 08/10/2017 09:01 AM, Rob Herring wrote: > On Tue, Aug 01, 2017 at 10:48:43AM -0500, Suman Anna wrote: >> Add the device tree bindings document for the DSP processor >> subsystem devices on TI Davinci DA8xx/OMAP-L13x SoCs. >> >> Signed-off-by: Suman Anna >> --- >> v2: >> - Updated the patch header >> - Revised the binding status statement slightly >> - Updated the example to address Rob's comments >> - No changes in properties description themselves >> v1: https://patchwork.kernel.org/patch/9751269/ >> >> .../bindings/remoteproc/ti,davinci-rproc.txt | 86 >> ++ >> 1 file changed, 86 insertions(+) >> create mode 100644 >> Documentation/devicetree/bindings/remoteproc/ti,davinci-rproc.txt > > Acked-by: Rob Herring Thanks Rob. Bjorn, Appreciate it if you can pick up the series for v4.14. Thanks, Suman
Re: [PATCH v2 3/4] dt-bindings: remoteproc: Add bindings for Davinci DSP processors
On Tue, Aug 01, 2017 at 10:48:43AM -0500, Suman Anna wrote: > Add the device tree bindings document for the DSP processor > subsystem devices on TI Davinci DA8xx/OMAP-L13x SoCs. > > Signed-off-by: Suman Anna> --- > v2: > - Updated the patch header > - Revised the binding status statement slightly > - Updated the example to address Rob's comments > - No changes in properties description themselves > v1: https://patchwork.kernel.org/patch/9751269/ > > .../bindings/remoteproc/ti,davinci-rproc.txt | 86 > ++ > 1 file changed, 86 insertions(+) > create mode 100644 > Documentation/devicetree/bindings/remoteproc/ti,davinci-rproc.txt Acked-by: Rob Herring
Re: [PATCH v2 3/4] dt-bindings: remoteproc: Add bindings for Davinci DSP processors
On Tue, Aug 01, 2017 at 10:48:43AM -0500, Suman Anna wrote: > Add the device tree bindings document for the DSP processor > subsystem devices on TI Davinci DA8xx/OMAP-L13x SoCs. > > Signed-off-by: Suman Anna > --- > v2: > - Updated the patch header > - Revised the binding status statement slightly > - Updated the example to address Rob's comments > - No changes in properties description themselves > v1: https://patchwork.kernel.org/patch/9751269/ > > .../bindings/remoteproc/ti,davinci-rproc.txt | 86 > ++ > 1 file changed, 86 insertions(+) > create mode 100644 > Documentation/devicetree/bindings/remoteproc/ti,davinci-rproc.txt Acked-by: Rob Herring
[PATCH v2 3/4] dt-bindings: remoteproc: Add bindings for Davinci DSP processors
Add the device tree bindings document for the DSP processor subsystem devices on TI Davinci DA8xx/OMAP-L13x SoCs. Signed-off-by: Suman Anna--- v2: - Updated the patch header - Revised the binding status statement slightly - Updated the example to address Rob's comments - No changes in properties description themselves v1: https://patchwork.kernel.org/patch/9751269/ .../bindings/remoteproc/ti,davinci-rproc.txt | 86 ++ 1 file changed, 86 insertions(+) create mode 100644 Documentation/devicetree/bindings/remoteproc/ti,davinci-rproc.txt diff --git a/Documentation/devicetree/bindings/remoteproc/ti,davinci-rproc.txt b/Documentation/devicetree/bindings/remoteproc/ti,davinci-rproc.txt new file mode 100644 index ..e44a97e21164 --- /dev/null +++ b/Documentation/devicetree/bindings/remoteproc/ti,davinci-rproc.txt @@ -0,0 +1,86 @@ +TI Davinci DSP devices +=== + +Binding status: Unstable - Subject to changes for DT representation of clocks + and resets + +The TI Davinci family of SoCs usually contains a TI DSP Core sub-system that +is used to offload some of the processor-intensive tasks or algorithms, for +achieving various system level goals. + +The processor cores in the sub-system usually contain additional sub-modules +like L1 and/or L2 caches/SRAMs, an Interrupt Controller, an external memory +controller, a dedicated local power/sleep controller etc. The DSP processor +core used in Davinci SoCs is usually a C674x DSP CPU. + +DSP Device Node: + +Each DSP Core sub-system is represented as a single DT node. + +Required properties: + +The following are the mandatory properties: + +- compatible: Should be one of the following, + "ti,da850-dsp" for DSPs on OMAP-L138 SoCs + +- reg: Should contain an entry for each value in 'reg-names'. + Each entry should have the memory region's start address + and the size of the region, the representation matching + the parent node's '#address-cells' and '#size-cells' values. + +- reg-names: Should contain strings with the following names, each + representing a specific internal memory region or a + specific register space, +"l2sram", "l1pram", "l1dram", "host1cfg", "chipsig_base" + +- interrupts: Should contain the interrupt number used to receive the + interrupts from the DSP. The value should follow the + interrupt-specifier format as dictated by the + 'interrupt-parent' node. + +- memory-region: phandle to the reserved memory node to be associated + with the remoteproc device. The reserved memory node + can be a CMA memory node, and should be defined as + per the bindings in + Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt + +Optional properties: + +- interrupt-parent:phandle to the interrupt controller node. This property + is needed if the device node hierarchy doesn't have an + interrupt controller. + + +Example: + + + /* DSP Reserved Memory node */ + reserved-memory { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + dsp_memory_region: dsp-memory@c300 { + compatible = "shared-dma-pool"; + reg = <0xc300 0x100>; + reusable; + }; + }; + + /* DSP node */ + { + dsp: dsp@1180 { + compatible = "ti,da850-dsp"; + reg = <0x1180 0x4>, + <0x11e0 0x8000>, + <0x11f0 0x8000>, + <0x01c14044 0x4>, + <0x01c14174 0x8>; + reg-names = "l2sram", "l1pram", "l1dram", "host1cfg", + "chipsig"; + interrupt-parent = <>; + interrupts = <28>; + memory-region = <_memory_region>; + }; + }; -- 2.13.1
[PATCH v2 3/4] dt-bindings: remoteproc: Add bindings for Davinci DSP processors
Add the device tree bindings document for the DSP processor subsystem devices on TI Davinci DA8xx/OMAP-L13x SoCs. Signed-off-by: Suman Anna --- v2: - Updated the patch header - Revised the binding status statement slightly - Updated the example to address Rob's comments - No changes in properties description themselves v1: https://patchwork.kernel.org/patch/9751269/ .../bindings/remoteproc/ti,davinci-rproc.txt | 86 ++ 1 file changed, 86 insertions(+) create mode 100644 Documentation/devicetree/bindings/remoteproc/ti,davinci-rproc.txt diff --git a/Documentation/devicetree/bindings/remoteproc/ti,davinci-rproc.txt b/Documentation/devicetree/bindings/remoteproc/ti,davinci-rproc.txt new file mode 100644 index ..e44a97e21164 --- /dev/null +++ b/Documentation/devicetree/bindings/remoteproc/ti,davinci-rproc.txt @@ -0,0 +1,86 @@ +TI Davinci DSP devices +=== + +Binding status: Unstable - Subject to changes for DT representation of clocks + and resets + +The TI Davinci family of SoCs usually contains a TI DSP Core sub-system that +is used to offload some of the processor-intensive tasks or algorithms, for +achieving various system level goals. + +The processor cores in the sub-system usually contain additional sub-modules +like L1 and/or L2 caches/SRAMs, an Interrupt Controller, an external memory +controller, a dedicated local power/sleep controller etc. The DSP processor +core used in Davinci SoCs is usually a C674x DSP CPU. + +DSP Device Node: + +Each DSP Core sub-system is represented as a single DT node. + +Required properties: + +The following are the mandatory properties: + +- compatible: Should be one of the following, + "ti,da850-dsp" for DSPs on OMAP-L138 SoCs + +- reg: Should contain an entry for each value in 'reg-names'. + Each entry should have the memory region's start address + and the size of the region, the representation matching + the parent node's '#address-cells' and '#size-cells' values. + +- reg-names: Should contain strings with the following names, each + representing a specific internal memory region or a + specific register space, +"l2sram", "l1pram", "l1dram", "host1cfg", "chipsig_base" + +- interrupts: Should contain the interrupt number used to receive the + interrupts from the DSP. The value should follow the + interrupt-specifier format as dictated by the + 'interrupt-parent' node. + +- memory-region: phandle to the reserved memory node to be associated + with the remoteproc device. The reserved memory node + can be a CMA memory node, and should be defined as + per the bindings in + Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt + +Optional properties: + +- interrupt-parent:phandle to the interrupt controller node. This property + is needed if the device node hierarchy doesn't have an + interrupt controller. + + +Example: + + + /* DSP Reserved Memory node */ + reserved-memory { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + dsp_memory_region: dsp-memory@c300 { + compatible = "shared-dma-pool"; + reg = <0xc300 0x100>; + reusable; + }; + }; + + /* DSP node */ + { + dsp: dsp@1180 { + compatible = "ti,da850-dsp"; + reg = <0x1180 0x4>, + <0x11e0 0x8000>, + <0x11f0 0x8000>, + <0x01c14044 0x4>, + <0x01c14174 0x8>; + reg-names = "l2sram", "l1pram", "l1dram", "host1cfg", + "chipsig"; + interrupt-parent = <>; + interrupts = <28>; + memory-region = <_memory_region>; + }; + }; -- 2.13.1