| Message ID | 20210526182807.548118-2-sudeep.holla@arm.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | dt-bindings: firmware: Convert SCPI and SCMI to json schema | expand |
On Wed, May 26, 2021 at 07:28:00PM +0100, Sudeep Holla wrote: > Move the SRAM and shared memory binding for SCPI into the existing > Generic on-chip SRAM. We just need to update the compatible list and > there-by remove the whole old text format binding for the same. > > Cc: Rob Herring <robh+dt@kernel.org> > Cc: Kevin Hilman <khilman@baylibre.com> > Cc: Neil Armstrong <narmstrong@baylibre.com> > Cc: Jerome Brunet <jbrunet@baylibre.com> > Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> > --- > .../devicetree/bindings/arm/arm,scpi.txt | 15 --------------- > Documentation/devicetree/bindings/sram/sram.yaml | 1 + > 2 files changed, 1 insertion(+), 15 deletions(-) > > diff --git a/Documentation/devicetree/bindings/arm/arm,scpi.txt b/Documentation/devicetree/bindings/arm/arm,scpi.txt > index bcd6c3ec471e..bcb8b3d61e68 100644 > --- a/Documentation/devicetree/bindings/arm/arm,scpi.txt > +++ b/Documentation/devicetree/bindings/arm/arm,scpi.txt > @@ -56,21 +56,6 @@ Sub-nodes > node. It can be non linear and hence provide the mapping of identifiers > into the clock-output-names array. > > -SRAM and Shared Memory for SCPI > -------------------------------- > - > -A small area of SRAM is reserved for SCPI communication between application > -processors and SCP. > - > -The properties should follow the generic mmio-sram description found in [3] > - > -Each sub-node represents the reserved area for SCPI. > - > -Required sub-node properties: > -- reg : The base offset and size of the reserved area with the SRAM > -- compatible : should be "arm,scp-shmem" for Non-secure SRAM based > + - arm,scpi-shmem Which is correct? There's not a single other occurrance in the kernel tree of either. Rob
On Thu, May 27, 2021 at 03:25:54PM -0500, Rob Herring wrote: > On Wed, May 26, 2021 at 07:28:00PM +0100, Sudeep Holla wrote: > > Move the SRAM and shared memory binding for SCPI into the existing > > Generic on-chip SRAM. We just need to update the compatible list and > > there-by remove the whole old text format binding for the same. > > > > Cc: Rob Herring <robh+dt@kernel.org> > > Cc: Kevin Hilman <khilman@baylibre.com> > > Cc: Neil Armstrong <narmstrong@baylibre.com> > > Cc: Jerome Brunet <jbrunet@baylibre.com> > > Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> > > --- > > .../devicetree/bindings/arm/arm,scpi.txt | 15 --------------- > > Documentation/devicetree/bindings/sram/sram.yaml | 1 + > > 2 files changed, 1 insertion(+), 15 deletions(-) > > > > diff --git a/Documentation/devicetree/bindings/arm/arm,scpi.txt b/Documentation/devicetree/bindings/arm/arm,scpi.txt > > index bcd6c3ec471e..bcb8b3d61e68 100644 > > --- a/Documentation/devicetree/bindings/arm/arm,scpi.txt > > +++ b/Documentation/devicetree/bindings/arm/arm,scpi.txt > > @@ -56,21 +56,6 @@ Sub-nodes > > node. It can be non linear and hence provide the mapping of identifiers > > into the clock-output-names array. > > > > -SRAM and Shared Memory for SCPI > > -------------------------------- > > - > > -A small area of SRAM is reserved for SCPI communication between application > > -processors and SCP. > > - > > -The properties should follow the generic mmio-sram description found in [3] > > - > > -Each sub-node represents the reserved area for SCPI. > > - > > -Required sub-node properties: > > -- reg : The base offset and size of the reserved area with the SRAM > > -- compatible : should be "arm,scp-shmem" for Non-secure SRAM based > > > + - arm,scpi-shmem > > Which is correct? There's not a single other occurrance in the kernel > tree of either. > Right I was thinking removing it but wasn't sure if any downstream DTS have used this as it has been in the binding for a while now. -- Regards, Sudeep
On Mon, May 31, 2021 at 09:15:48AM +0100, Sudeep Holla wrote: > On Thu, May 27, 2021 at 03:25:54PM -0500, Rob Herring wrote: > > On Wed, May 26, 2021 at 07:28:00PM +0100, Sudeep Holla wrote: > > > Move the SRAM and shared memory binding for SCPI into the existing > > > Generic on-chip SRAM. We just need to update the compatible list and > > > there-by remove the whole old text format binding for the same. > > > > > > Cc: Rob Herring <robh+dt@kernel.org> > > > Cc: Kevin Hilman <khilman@baylibre.com> > > > Cc: Neil Armstrong <narmstrong@baylibre.com> > > > Cc: Jerome Brunet <jbrunet@baylibre.com> > > > Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> > > > --- > > > .../devicetree/bindings/arm/arm,scpi.txt | 15 --------------- > > > Documentation/devicetree/bindings/sram/sram.yaml | 1 + > > > 2 files changed, 1 insertion(+), 15 deletions(-) > > > > > > diff --git a/Documentation/devicetree/bindings/arm/arm,scpi.txt b/Documentation/devicetree/bindings/arm/arm,scpi.txt > > > index bcd6c3ec471e..bcb8b3d61e68 100644 > > > --- a/Documentation/devicetree/bindings/arm/arm,scpi.txt > > > +++ b/Documentation/devicetree/bindings/arm/arm,scpi.txt > > > @@ -56,21 +56,6 @@ Sub-nodes > > > node. It can be non linear and hence provide the mapping of identifiers > > > into the clock-output-names array. > > > > > > -SRAM and Shared Memory for SCPI > > > -------------------------------- > > > - > > > -A small area of SRAM is reserved for SCPI communication between application > > > -processors and SCP. > > > - > > > -The properties should follow the generic mmio-sram description found in [3] > > > - > > > -Each sub-node represents the reserved area for SCPI. > > > - > > > -Required sub-node properties: > > > -- reg : The base offset and size of the reserved area with the SRAM > > > -- compatible : should be "arm,scp-shmem" for Non-secure SRAM based > > > > > + - arm,scpi-shmem > > > > Which is correct? There's not a single other occurrance in the kernel > > tree of either. > > > > Right I was thinking removing it but wasn't sure if any downstream DTS > have used this as it has been in the binding for a while now. > Sent it too early before I completed, we don't have explicit check for these compatible in the code. We just use phandles directly. -- Regards, Sudeep
On Mon, May 31, 2021 at 3:20 AM Sudeep Holla <sudeep.holla@arm.com> wrote: > > On Mon, May 31, 2021 at 09:15:48AM +0100, Sudeep Holla wrote: > > On Thu, May 27, 2021 at 03:25:54PM -0500, Rob Herring wrote: > > > On Wed, May 26, 2021 at 07:28:00PM +0100, Sudeep Holla wrote: > > > > Move the SRAM and shared memory binding for SCPI into the existing > > > > Generic on-chip SRAM. We just need to update the compatible list and > > > > there-by remove the whole old text format binding for the same. > > > > > > > > Cc: Rob Herring <robh+dt@kernel.org> > > > > Cc: Kevin Hilman <khilman@baylibre.com> > > > > Cc: Neil Armstrong <narmstrong@baylibre.com> > > > > Cc: Jerome Brunet <jbrunet@baylibre.com> > > > > Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> > > > > --- > > > > .../devicetree/bindings/arm/arm,scpi.txt | 15 --------------- > > > > Documentation/devicetree/bindings/sram/sram.yaml | 1 + > > > > 2 files changed, 1 insertion(+), 15 deletions(-) > > > > > > > > diff --git a/Documentation/devicetree/bindings/arm/arm,scpi.txt b/Documentation/devicetree/bindings/arm/arm,scpi.txt > > > > index bcd6c3ec471e..bcb8b3d61e68 100644 > > > > --- a/Documentation/devicetree/bindings/arm/arm,scpi.txt > > > > +++ b/Documentation/devicetree/bindings/arm/arm,scpi.txt > > > > @@ -56,21 +56,6 @@ Sub-nodes > > > > node. It can be non linear and hence provide the mapping of identifiers > > > > into the clock-output-names array. > > > > > > > > -SRAM and Shared Memory for SCPI > > > > -------------------------------- > > > > - > > > > -A small area of SRAM is reserved for SCPI communication between application > > > > -processors and SCP. > > > > - > > > > -The properties should follow the generic mmio-sram description found in [3] > > > > - > > > > -Each sub-node represents the reserved area for SCPI. > > > > - > > > > -Required sub-node properties: > > > > -- reg : The base offset and size of the reserved area with the SRAM > > > > -- compatible : should be "arm,scp-shmem" for Non-secure SRAM based > > > > > > > + - arm,scpi-shmem > > > > > > Which is correct? There's not a single other occurrance in the kernel > > > tree of either. > > > > > > > Right I was thinking removing it but wasn't sure if any downstream DTS > > have used this as it has been in the binding for a while now. > > > > Sent it too early before I completed, we don't have explicit check for > these compatible in the code. We just use phandles directly. But which one is correct? "arm,scp-shmem" or "arm,scpi-shmem" I can fix up when applying. Rob
On Tue, Jun 01, 2021 at 08:37:57AM -0500, Rob Herring wrote: > On Mon, May 31, 2021 at 3:20 AM Sudeep Holla <sudeep.holla@arm.com> wrote: > > > > On Mon, May 31, 2021 at 09:15:48AM +0100, Sudeep Holla wrote: > > > On Thu, May 27, 2021 at 03:25:54PM -0500, Rob Herring wrote: > > > > On Wed, May 26, 2021 at 07:28:00PM +0100, Sudeep Holla wrote: > > > > > Move the SRAM and shared memory binding for SCPI into the existing > > > > > Generic on-chip SRAM. We just need to update the compatible list and > > > > > there-by remove the whole old text format binding for the same. > > > > > > > > > > Cc: Rob Herring <robh+dt@kernel.org> > > > > > Cc: Kevin Hilman <khilman@baylibre.com> > > > > > Cc: Neil Armstrong <narmstrong@baylibre.com> > > > > > Cc: Jerome Brunet <jbrunet@baylibre.com> > > > > > Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> > > > > > --- > > > > > .../devicetree/bindings/arm/arm,scpi.txt | 15 --------------- > > > > > Documentation/devicetree/bindings/sram/sram.yaml | 1 + > > > > > 2 files changed, 1 insertion(+), 15 deletions(-) > > > > > > > > > > diff --git a/Documentation/devicetree/bindings/arm/arm,scpi.txt b/Documentation/devicetree/bindings/arm/arm,scpi.txt > > > > > index bcd6c3ec471e..bcb8b3d61e68 100644 > > > > > --- a/Documentation/devicetree/bindings/arm/arm,scpi.txt > > > > > +++ b/Documentation/devicetree/bindings/arm/arm,scpi.txt > > > > > @@ -56,21 +56,6 @@ Sub-nodes > > > > > node. It can be non linear and hence provide the mapping of identifiers > > > > > into the clock-output-names array. > > > > > > > > > > -SRAM and Shared Memory for SCPI > > > > > -------------------------------- > > > > > - > > > > > -A small area of SRAM is reserved for SCPI communication between application > > > > > -processors and SCP. > > > > > - > > > > > -The properties should follow the generic mmio-sram description found in [3] > > > > > - > > > > > -Each sub-node represents the reserved area for SCPI. > > > > > - > > > > > -Required sub-node properties: > > > > > -- reg : The base offset and size of the reserved area with the SRAM > > > > > -- compatible : should be "arm,scp-shmem" for Non-secure SRAM based > > > > > > > > > + - arm,scpi-shmem > > > > > > > > Which is correct? There's not a single other occurrance in the kernel > > > > tree of either. > > > > > > > > > > Right I was thinking removing it but wasn't sure if any downstream DTS > > > have used this as it has been in the binding for a while now. > > > > > > > Sent it too early before I completed, we don't have explicit check for > > these compatible in the code. We just use phandles directly. > > But which one is correct? "arm,scp-shmem" or "arm,scpi-shmem" > Ah sorry I misread earlier. Indeed it should be "arm,scp-shmem", I messed up while converting. > I can fix up when applying. > I am posting v2 once I fix the scmi regulators. I also have couple of other fixes you have suggested. -- Regards, Sudeep
diff --git a/Documentation/devicetree/bindings/arm/arm,scpi.txt b/Documentation/devicetree/bindings/arm/arm,scpi.txt index bcd6c3ec471e..bcb8b3d61e68 100644 --- a/Documentation/devicetree/bindings/arm/arm,scpi.txt +++ b/Documentation/devicetree/bindings/arm/arm,scpi.txt @@ -56,21 +56,6 @@ Sub-nodes node. It can be non linear and hence provide the mapping of identifiers into the clock-output-names array. -SRAM and Shared Memory for SCPI -------------------------------- - -A small area of SRAM is reserved for SCPI communication between application -processors and SCP. - -The properties should follow the generic mmio-sram description found in [3] - -Each sub-node represents the reserved area for SCPI. - -Required sub-node properties: -- reg : The base offset and size of the reserved area with the SRAM -- compatible : should be "arm,scp-shmem" for Non-secure SRAM based - shared memory - Sensor bindings for the sensors based on SCPI Message Protocol -------------------------------------------------------------- SCPI provides an API to access the various sensors on the SoC. diff --git a/Documentation/devicetree/bindings/sram/sram.yaml b/Documentation/devicetree/bindings/sram/sram.yaml index c1a5afa73cfe..e9946ed15964 100644 --- a/Documentation/devicetree/bindings/sram/sram.yaml +++ b/Documentation/devicetree/bindings/sram/sram.yaml @@ -80,6 +80,7 @@ description: |+ - amlogic,meson8b-smp-sram - amlogic,meson-gxbb-scp-shmem - amlogic,meson-axg-scp-shmem + - arm,scpi-shmem - renesas,smp-sram - rockchip,rk3066-smp-sram - samsung,exynos4210-sysram
Move the SRAM and shared memory binding for SCPI into the existing Generic on-chip SRAM. We just need to update the compatible list and there-by remove the whole old text format binding for the same. Cc: Rob Herring <robh+dt@kernel.org> Cc: Kevin Hilman <khilman@baylibre.com> Cc: Neil Armstrong <narmstrong@baylibre.com> Cc: Jerome Brunet <jbrunet@baylibre.com> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> --- .../devicetree/bindings/arm/arm,scpi.txt | 15 --------------- Documentation/devicetree/bindings/sram/sram.yaml | 1 + 2 files changed, 1 insertion(+), 15 deletions(-)