linux-kernel - [PATCH v5 3/3] dt-bindings: remoteproc: stm32: add syscon bindings preloaded fw support

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Date:   Tue, 11 Feb 2020 18:42:05 +0100
From:   Arnaud Pouliquen <arnaud.pouliquen@...com>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        <linux-remoteproc@...r.kernel.org>, <devicetree@...r.kernel.org>
CC:     Ohad Ben-Cohen <ohad@...ery.com>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Loic PALLARDY <loic.pallardy@...com>,
        <arnaud.pouliquen@...com>, Suman Anna <s-anna@...com>,
        Fabien DESSENNE <fabien.dessenne@...com>,
        <linux-kernel@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>
Subject: [PATCH v5 3/3] dt-bindings: remoteproc: stm32: add syscon bindings preloaded fw support

Add the optional syscon property that points to the resource table
address and the state of the Cortex-M4 firmware loaded by the bootloader.

Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@...com>
---
 .../bindings/remoteproc/st,stm32-rproc.yaml   | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/Documentation/devicetree/bindings/remoteproc/st,stm32-rproc.yaml b/Documentation/devicetree/bindings/remoteproc/st,stm32-rproc.yaml
index c0d83865e933..3947ddaca891 100644
--- a/Documentation/devicetree/bindings/remoteproc/st,stm32-rproc.yaml
+++ b/Documentation/devicetree/bindings/remoteproc/st,stm32-rproc.yaml
@@ -46,6 +46,27 @@ properties:
       - The field mask of the RCC trust zone mode.
     maxItems: 1
 
+  st,syscfg-copro-state:
+    allOf:
+      - $ref: "/schemas/types.yaml#/definitions/phandle-array"
+    description:
+      Reference to the system configuration which returns the coprocessor state.
+      - Phandle of syscon block.
+      - The offset containing the coprocessor state.
+      - The field mask of bitmask for the coprocessor state.
+    maxItems: 1
+
+  st,syscfg-rsc-tbl:
+    allOf:
+      - $ref: "/schemas/types.yaml#/definitions/phandle-array"
+    description:
+      Reference to the system configuration controlling the
+      resource table address loaded by the bootloader
+      - Phandle to syscon block.
+      - The offset of the register containing the resource table address.
+      - The field mask for the resource table address.
+    maxItems: 1
+
   interrupts:
     description: Should contain the WWDG1 watchdog reset interrupt
     maxItems: 1
-- 
2.17.1