linux-kernel - [PATCH v3 5/6] dt-bindings: interconnect: Add interconnect-opp-table property

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Date:   Tue,  2 Jul 2019 18:10:19 -0700
From:   Saravana Kannan <saravanak@...gle.com>
To:     Georgi Djakov <georgi.djakov@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Viresh Kumar <vireshk@...nel.org>, Nishanth Menon <nm@...com>,
        Stephen Boyd <sboyd@...nel.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>
Cc:     Saravana Kannan <saravanak@...gle.com>, vincent.guittot@...aro.org,
        seansw@....qualcomm.com, daidavid1@...eaurora.org,
        Rajendra Nayak <rnayak@...eaurora.org>, sibis@...eaurora.org,
        bjorn.andersson@...aro.org, evgreen@...omium.org,
        kernel-team@...roid.com, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v3 5/6] dt-bindings: interconnect: Add interconnect-opp-table property

Add support for listing bandwidth OPP tables for each interconnect path
listed using the interconnects property.

Signed-off-by: Saravana Kannan <saravanak@...gle.com>
---
 .../devicetree/bindings/interconnect/interconnect.txt     | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/interconnect/interconnect.txt b/Documentation/devicetree/bindings/interconnect/interconnect.txt
index 6f5d23a605b7..fc5b75b76a2c 100644
--- a/Documentation/devicetree/bindings/interconnect/interconnect.txt
+++ b/Documentation/devicetree/bindings/interconnect/interconnect.txt
@@ -55,10 +55,18 @@ interconnect-names : List of interconnect path name strings sorted in the same
 			 * dma-mem: Path from the device to the main memory of
 			            the system
 
+interconnect-opp-table: List of phandles to OPP tables (bandwidth OPP tables)
+			that specify the OPPs for the interconnect paths listed
+			in the interconnects property. This property can only
+			point to OPP tables that belong to the device and are
+			listed in the device's operating-points-v2 property.
+
 Example:
 
 	sdhci@...4000 {
+		operating-points-v2 = <&sdhc_opp_table>, <&sdhc_mem_opp_table>;
 		...
 		interconnects = <&pnoc MASTER_SDCC_1 &bimc SLAVE_EBI_CH0>;
 		interconnect-names = "sdhc-mem";
+		interconnect-opp-table = <&sdhc_mem_opp_table>;
 	};
-- 
2.22.0.410.gd8fdbe21b5-goog