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From:   Sibi Sankar <quic_sibis@quicinc.com>
To:     <bjorn.andersson@linaro.org>, <robh+dt@kernel.org>
CC:     <ohad@wizery.com>, <agross@kernel.org>,
        <mathieu.poirier@linaro.org>, <linux-arm-msm@vger.kernel.org>,
        <linux-remoteproc@vger.kernel.org>, <devicetree@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>, <evgreen@chromium.org>,
        <dianders@chromium.org>, <swboyd@chromium.org>, <mka@chromium.org>,
        <krzysztof.kozlowski@canonical.com>,
        Sibi Sankar <quic_sibis@quicinc.com>
Subject: [PATCH 1/3] dt-bindings: remoteproc: qcom: Add interconnects property
Date:   Mon, 14 Feb 2022 10:04:10 +0530
Message-ID: <1644813252-12897-2-git-send-email-quic_sibis@quicinc.com>
In-Reply-To: <1644813252-12897-1-git-send-email-quic_sibis@quicinc.com>
References: <1644813252-12897-1-git-send-email-quic_sibis@quicinc.com>
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Add interconnects property to support the bandwidth requirements
during modem bootup on SC7280 SoCs.

Signed-off-by: Sibi Sankar <quic_sibis@quicinc.com>
---
 .../devicetree/bindings/remoteproc/qcom,q6v5.txt   | 23 ++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,q6v5.txt b/Documentation/devicetree/bindings/remoteproc/qcom,q6v5.txt
index 8f1507052afd..a533dfa7d62c 100644
--- a/Documentation/devicetree/bindings/remoteproc/qcom,q6v5.txt
+++ b/Documentation/devicetree/bindings/remoteproc/qcom,q6v5.txt
@@ -183,6 +183,29 @@ For the compatible string below the following supplies are required:
 	qcom,sdm845-mss-pil:
 		    must be "cx", "mx", "mss"
 
+- interconnects:
+	Usage: required
+	Value type: <phandle>
+	Definition: reference to the source and destination nodes of the interconnect paths
+		    that match the interconnect-names. See also interconnect/interconnect.txt
+
+- interconnect-names:
+	Usage: required
+	Value type: <stringlist>
+	Definition: The interconnects needed depend on the compatible string:
+	qcom,ipq8074-wcss-pil:
+	qcom,qcs404-wcss-pil:
+	qcom,q6v5-pil:
+	qcom,msm8916-mss-pil:
+	qcom,msm8974-mss-pil:
+	qcom,msm8996-mss-pil:
+	qcom,msm8998-mss-pil:
+	qcom,sc7180-mss-pil:
+	qcom,sdm845-mss-pil:
+		    no interconnect names required
+	qcom,sc7280-mss-pil:
+		    must be "imem"
+
 - qcom,qmp:
 	Usage: optional
 	Value type: <phandle>
-- 
2.7.4