Add Documentation of devicetree bindings to support the remote processor
system resource manager.
Signed-off-by: Fabien Dessenne <fabien.dessenne@xxxxxx>
---
.../devicetree/bindings/remoteproc/rproc-srm.txt | 54 ++++++++++++++++++++++
1 file changed, 54 insertions(+)
create mode 100644 Documentation/devicetree/bindings/remoteproc/rproc-srm.txt
diff --git a/Documentation/devicetree/bindings/remoteproc/rproc-srm.txt b/Documentation/devicetree/bindings/remoteproc/rproc-srm.txt
new file mode 100644
index 0000000..a17208e
--- /dev/null
+++ b/Documentation/devicetree/bindings/remoteproc/rproc-srm.txt
@@ -0,0 +1,54 @@
+Remoteproc System Resource Manager
+----------------------------------
+
+The remoteproc SRM (System Resource Manager) handles resources allocated
+to remote processors.
+This makes it possible for remote proc to reserve and initialize system
+resources for a peripheral assigned to a coprocessor.
+
+The devices are grouped in a core node
+
+Core
+====
+Required properties:
+- compatible: should be "rproc-srm-core"
+
+Dev
+===
+Required properties:
+- compatible: should be "rproc-srm-dev"
+
+Optional properties:
+- clocks: clocks required by the coprocessor
+- clock-names: see clock-bindings.txt
+- assigned-clocks: see clock-bindings.txt
+- assigned-clock-parents: see clock-bindings.txt
+- assigned-clock-rates: see clock-bindings.txt
+- pinctrl-x: pins configurations required by the coprocessor
+- pinctrl-names: see pinctrl-bindings.txt
+- x-supply: power supplies required by the coprocessor
+- interrupts: see interrupts.txt
+- interrupt-parent: see interrupts.txt
+- interrupt-names: see interrupts.txt
+
+Example:
+ system_resources {
+ compatible = "rproc-srm-core";
+
+ mmc0: sdhci@09060000 {
+ compatible = "rproc-srm-dev";
+ pinctrl-names = "default", "idle";
+ pinctrl-0 = <&pinctrl_mmc0>;
+ pinctrl-1 = <&pinctrl_mmc1>;
+ clock-names = "mmc", "icn";
+ clocks = <&clk_s_c0_flexgen CLK_MMC_0>,
+ <&clk_s_c0_flexgen CLK_RX_ICN_HVA>;
+ vdda-supply = <&vdda>;
+ };
+ button {
+ compatible = "rproc-srm-dev";
+ interrupt-parent = <&gpioa>;
+ interrupts = <5 1>;
+ interrupt-names = "gpio_key";
+ };
+ };
--
2.7.4
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