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@xxxxxxx>
---
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@xxxxxxx>
+
+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@xxxxxxxxxx>
Thanks,
Will remove the status, and add your Reviewed-by tag in the v2.
Regards,
--
Julien Massot [IoT.bzh]
