On 30/11/2022 14:40, Devarsh Thakkar wrote: > AM62 family of devices don't have a R5F cluster, instead > they have single core DM R5F. > Add new compatible string ti,am62-r5fss to support this scenario. > > When this new compatible is used don't allow cluster-mode > property usage in device-tree as this implies that there > is no R5F cluster available and only single R5F core > is present. > > Signed-off-by: Devarsh Thakkar <devarsht@xxxxxx> > --- > V2: Avoid acronyms, use "Device Manager" instead of "DM" Use subject prefixes matching the subsystem (git log --oneline -- ...). > --- > .../bindings/remoteproc/ti,k3-r5f-rproc.yaml | 48 +++++++++++++------ > 1 file changed, 34 insertions(+), 14 deletions(-) > > diff --git a/Documentation/devicetree/bindings/remoteproc/ti,k3-r5f-rproc.yaml b/Documentation/devicetree/bindings/remoteproc/ti,k3-r5f-rproc.yaml > index fb9605f0655b..91357635025a 100644 > --- a/Documentation/devicetree/bindings/remoteproc/ti,k3-r5f-rproc.yaml > +++ b/Documentation/devicetree/bindings/remoteproc/ti,k3-r5f-rproc.yaml > @@ -21,6 +21,9 @@ description: | > called "Single-CPU" mode, where only Core0 is used, but with ability to use > Core1's TCMs as well. > > + AM62 SoC family support a single R5F core only which runs Device Manager > + firmware and can also be used as a remote processor with IPC communication. > + > Each Dual-Core R5F sub-system is represented as a single DTS node > representing the cluster, with a pair of child DT nodes representing > the individual R5F cores. Each node has a number of required or optional > @@ -28,6 +31,9 @@ description: | > the device management of the remote processor and to communicate with the > remote processor. > > + Since AM62 SoC family only support a single core, there is no cluster-mode > + property setting required for it. > + > properties: > $nodename: > pattern: "^r5fss(@.*)?" > @@ -38,6 +44,7 @@ properties: > - ti,j721e-r5fss > - ti,j7200-r5fss > - ti,am64-r5fss > + - ti,am62-r5fss Some order? Alphabetical, so before am64? Same in other places. > - ti,j721s2-r5fss > > power-domains: > @@ -80,7 +87,8 @@ patternProperties: > node representing a TI instantiation of the Arm Cortex R5F core. There > are some specific integration differences for the IP like the usage of > a Region Address Translator (RAT) for translating the larger SoC bus > - addresses into a 32-bit address space for the processor. > + addresses into a 32-bit address space for the processor. For AM62x, > + should only define one R5F child node as it has only one core available. > > Each R5F core has an associated 64 KB of Tightly-Coupled Memory (TCM) > internal memories split between two banks - TCMA and TCMB (further > @@ -104,6 +112,7 @@ patternProperties: > - ti,j721e-r5f > - ti,j7200-r5f > - ti,am64-r5f > + - ti,am62-r5f > - ti,j721s2-r5f > > reg: > @@ -207,20 +216,31 @@ patternProperties: > - firmware-name > > unevaluatedProperties: false Blank line. > +allOf: > + - if: > + properties: > + compatible: > + enum: > + - ti,am64-r5fss > + then: > + properties: > + ti,cluster-mode: > + enum: [0, 2] > + > + else: > + properties: > + ti,cluster-mode: It's not really valid anymore for ti,am62-r5fss, so this cannot be simple "else". Instead you need to list all compatibles. > + enum: [0, 1] > + > + - if: > + properties: > + compatible: > + enum: > + - ti,am62-r5fss > + then: > + properties: > + ti,cluster-mode: false > > -if: > - properties: > - compatible: > - enum: > - - ti,am64-r5fss > -then: > - properties: > - ti,cluster-mode: > - enum: [0, 2] > -else: > - properties: > - ti,cluster-mode: > - enum: [0, 1] > > required: > - compatible Best regards, Krzysztof
