linux-kernel - [PATCH 1/2] dt-bindings: remoteproc: Rename and amend Hexagon v56 binding

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Date:   Wed,  6 Mar 2019 16:03:17 -0800
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Ohad Ben-Cohen <ohad@...ery.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     linux-arm-msm@...r.kernel.org, linux-remoteproc@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] dt-bindings: remoteproc: Rename and amend Hexagon v56 binding

The SDM845 Audio DSP peripheral image loader binding describes the
properties needed to load and boot firmware on a Hexagon v56. Rename the
file and add the Compute DSP (CDSP) found in QCS404 to the binding.

Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
---
 ...qcom,adsp-pil.txt => qcom,hexagon-v56.txt} | 34 +++++++++++++------
 1 file changed, 24 insertions(+), 10 deletions(-)
 rename Documentation/devicetree/bindings/remoteproc/{qcom,adsp-pil.txt => qcom,hexagon-v56.txt} (74%)

diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,adsp-pil.txt b/Documentation/devicetree/bindings/remoteproc/qcom,hexagon-v56.txt
similarity index 74%
rename from Documentation/devicetree/bindings/remoteproc/qcom,adsp-pil.txt
rename to Documentation/devicetree/bindings/remoteproc/qcom,hexagon-v56.txt
index 66af2c30944f..8011f88f7c1f 100644
--- a/Documentation/devicetree/bindings/remoteproc/qcom,adsp-pil.txt
+++ b/Documentation/devicetree/bindings/remoteproc/qcom,hexagon-v56.txt
@@ -1,12 +1,13 @@
-Qualcomm Technology Inc. ADSP Peripheral Image Loader
+Qualcomm Technology Inc. Hexagon v56 Peripheral Image Loader
 
 This document defines the binding for a component that loads and boots firmware
-on the Qualcomm Technology Inc. ADSP Hexagon core.
+on the Qualcomm Technology Inc. Hexagon v56 core.
 
 - compatible:
 	Usage: required
 	Value type: <string>
 	Definition: must be one of:
+		    "qcom,qcs404-cdsp-pil",
 		    "qcom,sdm845-adsp-pil"
 
 - reg:
@@ -28,10 +29,10 @@ on the Qualcomm Technology Inc. ADSP Hexagon core.
 - clocks:
 	Usage: required
 	Value type: <prop-encoded-array>
-	Definition:  List of 8 phandle and clock specifier pairs for the adsp.
+	Definition:  List of phandles and clock specifier pairs for the Hexagon.
 
 - clock-names:
-	Usage: required
+	Usage: required for SDM845 ADSP
 	Value type: <stringlist>
 	Definition: List of clock input name strings sorted in the same
 		    order as the clocks property. Definition must have
@@ -39,6 +40,14 @@ on the Qualcomm Technology Inc. ADSP Hexagon core.
 		    "lpass_ahbm_aon_cbcr", "qdsp6ss_xo", "qdsp6ss_sleep"
 		    and "qdsp6ss_core".
 
+- clock-names:
+	Usage: required for QCS404 CDSP
+	Value type: <stringlist>
+	Definition: List of clock input name strings sorted in the same
+		    order as the clocks property. Definition must have
+		    "xo", "sway", "tbu", "bimc", "ahb_aon", "q6ss_slave",
+		    "q6ss_master", "q6_axim".
+
 - power-domains:
 	Usage: required
 	Value type: <phandle>
@@ -47,28 +56,33 @@ on the Qualcomm Technology Inc. ADSP Hexagon core.
 - resets:
 	Usage: required
 	Value type: <phandle>
-	Definition: reference to the list of 2 reset-controller for the adsp.
+	Definition: reference to the list of resets for the Hexagon.
 
 - reset-names:
-        Usage: required
+        Usage: required for SDM845 ADSP
         Value type: <stringlist>
         Definition: must be "pdc_sync" and "cc_lpass"
 
+- reset-names:
+        Usage: required for QCS404 CDSP
+        Value type: <stringlist>
+        Definition: must be "restart"
+
 - qcom,halt-regs:
 	Usage: required
 	Value type: <prop-encoded-array>
 	Definition: a phandle reference to a syscon representing TCSR followed
-			by the offset within syscon for lpass halt register.
+		    by the offset within syscon for Hexagon halt register.
 
 - memory-region:
 	Usage: required
 	Value type: <phandle>
-	Definition: reference to the reserved-memory for the ADSP
+	Definition: reference to the reserved-memory for the firmware
 
 - qcom,smem-states:
 	Usage: required
 	Value type: <phandle>
-	Definition: reference to the smem state for requesting the ADSP to
+	Definition: reference to the smem state for requesting the Hexagon to
 		    shut down
 
 - qcom,smem-state-names:
@@ -79,7 +93,7 @@ on the Qualcomm Technology Inc. ADSP Hexagon core.
 
 = SUBNODES
 The adsp node may have an subnode named "glink-edge" that describes the
-communication edge, channels and devices related to the ADSP.
+communication edge, channels and devices related to the Hexagon.
 See ../soc/qcom/qcom,glink.txt for details on how to describe these.
 
 = EXAMPLE
-- 
2.18.0