| Message ID | 20211115135032.129227-2-julien.massot@iot.bzh (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | Initial Renesas R-Car remoteproc support | expand |
On Mon, Nov 15, 2021 at 02:50:30PM +0100, Julien Massot wrote: > Renesas R-Car SoCs may contains a Realtime processor. > This patch adds binding for this remote processor. > > Signed-off-by: Julien Massot <julien.massot@iot.bzh> > --- > Change since RFC: > Adds missing address-cells and size-cells and change reg cell > accordingly. > --- > .../remoteproc/renesas,rcar-rproc.yaml | 66 +++++++++++++++++++ > 1 file changed, 66 insertions(+) > create mode 100644 Documentation/devicetree/bindings/remoteproc/renesas,rcar-rproc.yaml > > diff --git a/Documentation/devicetree/bindings/remoteproc/renesas,rcar-rproc.yaml b/Documentation/devicetree/bindings/remoteproc/renesas,rcar-rproc.yaml > new file mode 100644 > index 000000000000..dcb6b0f75dda > --- /dev/null > +++ b/Documentation/devicetree/bindings/remoteproc/renesas,rcar-rproc.yaml > @@ -0,0 +1,66 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: "http://devicetree.org/schemas/remoteproc/renesas,rcar-rproc.yaml#" > +$schema: "http://devicetree.org/meta-schemas/core.yaml#" > + > +title: Renesas R-Car remote processor controller bindings > + > +maintainers: > + - Julien Massot <julien.massot@iot.bzh> > + > +description: | > + This document defines the binding for the remoteproc component that loads and > + boots firmwares on the Renesas R-Car family chipset. > + R-Car gen3 family may have a realtime processor, this processor share peripheral > + and RAM with the host processor with the same address map. > + > +properties: > + compatible: > + const: renesas,rcar-cr7 > + > + resets: > + maxItems: 1 > + > + power-domains: > + maxItems: 1 > + > + memory-region: > + description: > + List of phandles to the reserved memory regions associated with the > + remoteproc device. This is variable and describes the memories shared with > + the remote processor (e.g. remoteproc firmware and carveouts, rpmsg > + vrings, ...). > + (see ../reserved-memory/reserved-memory.yaml) > + > +required: > + - compatible > + - resets > + - memory-region > + - power-domains > + > +additionalProperties: false > + > +examples: > + - | > + #include <dt-bindings/clock/r8a7795-cpg-mssr.h> > + #include <dt-bindings/power/r8a7795-sysc.h> > + reserved-memory { > + #address-cells = <2>; > + #size-cells = <2>; > + > + cr7_ram: cr7_ram@40040000 { > + no-map; > + reg = <0x0 0x40040000 0x0 0x1fc0000>; > + }; > + }; > + > + cr7_rproc: cr7 { > + compatible = "renesas,rcar-cr7"; > + memory-region = <&cr7_ram>; > + power-domains = <&sysc R8A7795_PD_CR7>; > + resets = <&cpg 222>; > + status = "okay"; Don't show status in examples. With that, Reviewed-by: Rob Herring <robh@kernel.org>
Hi Rob, On 11/29/21 23:01, Rob Herring wrote: > On Mon, Nov 15, 2021 at 02:50:30PM +0100, Julien Massot wrote: >> Renesas R-Car SoCs may contains a Realtime processor. >> This patch adds binding for this remote processor. >> >> Signed-off-by: Julien Massot <julien.massot@iot.bzh> >> --- >> Change since RFC: >> Adds missing address-cells and size-cells and change reg cell >> accordingly. >> --- >> .../remoteproc/renesas,rcar-rproc.yaml | 66 +++++++++++++++++++ >> 1 file changed, 66 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/remoteproc/renesas,rcar-rproc.yaml >> >> diff --git a/Documentation/devicetree/bindings/remoteproc/renesas,rcar-rproc.yaml b/Documentation/devicetree/bindings/remoteproc/renesas,rcar-rproc.yaml >> new file mode 100644 >> index 000000000000..dcb6b0f75dda >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/remoteproc/renesas,rcar-rproc.yaml >> @@ -0,0 +1,66 @@ >> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) >> +%YAML 1.2 >> +--- >> +$id: "http://devicetree.org/schemas/remoteproc/renesas,rcar-rproc.yaml#" >> +$schema: "http://devicetree.org/meta-schemas/core.yaml#" >> + >> +title: Renesas R-Car remote processor controller bindings >> + >> +maintainers: >> + - Julien Massot <julien.massot@iot.bzh> >> + >> +description: | >> + This document defines the binding for the remoteproc component that loads and >> + boots firmwares on the Renesas R-Car family chipset. >> + R-Car gen3 family may have a realtime processor, this processor share peripheral >> + and RAM with the host processor with the same address map. >> + >> +properties: >> + compatible: >> + const: renesas,rcar-cr7 >> + >> + resets: >> + maxItems: 1 >> + >> + power-domains: >> + maxItems: 1 >> + >> + memory-region: >> + description: >> + List of phandles to the reserved memory regions associated with the >> + remoteproc device. This is variable and describes the memories shared with >> + the remote processor (e.g. remoteproc firmware and carveouts, rpmsg >> + vrings, ...). >> + (see ../reserved-memory/reserved-memory.yaml) >> + >> +required: >> + - compatible >> + - resets >> + - memory-region >> + - power-domains >> + >> +additionalProperties: false >> + >> +examples: >> + - | >> + #include <dt-bindings/clock/r8a7795-cpg-mssr.h> >> + #include <dt-bindings/power/r8a7795-sysc.h> >> + reserved-memory { >> + #address-cells = <2>; >> + #size-cells = <2>; >> + >> + cr7_ram: cr7_ram@40040000 { >> + no-map; >> + reg = <0x0 0x40040000 0x0 0x1fc0000>; >> + }; >> + }; >> + >> + cr7_rproc: cr7 { >> + compatible = "renesas,rcar-cr7"; >> + memory-region = <&cr7_ram>; >> + power-domains = <&sysc R8A7795_PD_CR7>; >> + resets = <&cpg 222>; >> + status = "okay"; > > Don't show status in examples. > > With that, > > Reviewed-by: Rob Herring <robh@kernel.org> > Thanks, Will remove the status, and add your Reviewed-by tag in the v2. Regards,
diff --git a/Documentation/devicetree/bindings/remoteproc/renesas,rcar-rproc.yaml b/Documentation/devicetree/bindings/remoteproc/renesas,rcar-rproc.yaml new file mode 100644 index 000000000000..dcb6b0f75dda --- /dev/null +++ b/Documentation/devicetree/bindings/remoteproc/renesas,rcar-rproc.yaml @@ -0,0 +1,66 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/remoteproc/renesas,rcar-rproc.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Renesas R-Car remote processor controller bindings + +maintainers: + - Julien Massot <julien.massot@iot.bzh> + +description: | + This document defines the binding for the remoteproc component that loads and + boots firmwares on the Renesas R-Car family chipset. + R-Car gen3 family may have a realtime processor, this processor share peripheral + and RAM with the host processor with the same address map. + +properties: + compatible: + const: renesas,rcar-cr7 + + resets: + maxItems: 1 + + power-domains: + maxItems: 1 + + memory-region: + description: + List of phandles to the reserved memory regions associated with the + remoteproc device. This is variable and describes the memories shared with + the remote processor (e.g. remoteproc firmware and carveouts, rpmsg + vrings, ...). + (see ../reserved-memory/reserved-memory.yaml) + +required: + - compatible + - resets + - memory-region + - power-domains + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/r8a7795-cpg-mssr.h> + #include <dt-bindings/power/r8a7795-sysc.h> + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + + cr7_ram: cr7_ram@40040000 { + no-map; + reg = <0x0 0x40040000 0x0 0x1fc0000>; + }; + }; + + cr7_rproc: cr7 { + compatible = "renesas,rcar-cr7"; + memory-region = <&cr7_ram>; + power-domains = <&sysc R8A7795_PD_CR7>; + resets = <&cpg 222>; + status = "okay"; + }; + +...
Renesas R-Car SoCs may contains a Realtime processor. This patch adds binding for this remote processor. Signed-off-by: Julien Massot <julien.massot@iot.bzh> --- Change since RFC: Adds missing address-cells and size-cells and change reg cell accordingly. --- .../remoteproc/renesas,rcar-rproc.yaml | 66 +++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 Documentation/devicetree/bindings/remoteproc/renesas,rcar-rproc.yaml