linux-kernel - [PATCH v2 4/4] ARM: dts: qcom: msm8974: add interconnect nodes

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Message-Id: <20191024103140.10077-5-masneyb@onstation.org>
Date:   Thu, 24 Oct 2019 06:31:40 -0400
From:   Brian Masney <masneyb@...tation.org>
To:     agross@...nel.org, bjorn.andersson@...aro.org
Cc:     robh+dt@...nel.org, mark.rutland@....com,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        georgi.djakov@...aro.org
Subject: [PATCH v2 4/4] ARM: dts: qcom: msm8974: add interconnect nodes

Add interconnect nodes that's needed to support bus scaling.

Signed-off-by: Brian Masney <masneyb@...tation.org>
---
Changes since v1:
- sort interconnect nodes by address
- correct interconnect path for display:
  MNOC_MAS_MDP_PORT0 -> BIMC_SLV_EBI_CH0

 arch/arm/boot/dts/qcom-msm8974.dtsi | 58 +++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)

diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi b/arch/arm/boot/dts/qcom-msm8974.dtsi
index bdbde5125a56..c893c715f08c 100644
--- a/arch/arm/boot/dts/qcom-msm8974.dtsi
+++ b/arch/arm/boot/dts/qcom-msm8974.dtsi
@@ -1,6 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
+#include <dt-bindings/interconnect/qcom,msm8974.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/clock/qcom,gcc-msm8974.h>
 #include <dt-bindings/clock/qcom,mmcc-msm8974.h>
@@ -1106,6 +1107,60 @@
 			};
 		};
 
+		bimc: interconnect@...80000 {
+			reg = <0xfc380000 0x6a000>;
+			compatible = "qcom,msm8974-bimc";
+			#interconnect-cells = <1>;
+			clock-names = "bus", "bus_a";
+			clocks = <&rpmcc RPM_SMD_BIMC_CLK>,
+			         <&rpmcc RPM_SMD_BIMC_A_CLK>;
+		};
+
+		snoc: interconnect@...60000 {
+			reg = <0xfc460000 0x4000>;
+			compatible = "qcom,msm8974-snoc";
+			#interconnect-cells = <1>;
+			clock-names = "bus", "bus_a";
+			clocks = <&rpmcc RPM_SMD_SNOC_CLK>,
+			         <&rpmcc RPM_SMD_SNOC_A_CLK>;
+		};
+
+		pnoc: interconnect@...68000 {
+			reg = <0xfc468000 0x4000>;
+			compatible = "qcom,msm8974-pnoc";
+			#interconnect-cells = <1>;
+			clock-names = "bus", "bus_a";
+			clocks = <&rpmcc RPM_SMD_PNOC_CLK>,
+			         <&rpmcc RPM_SMD_PNOC_A_CLK>;
+		};
+
+		ocmemnoc: interconnect@...70000 {
+			reg = <0xfc470000 0x4000>;
+			compatible = "qcom,msm8974-ocmemnoc";
+			#interconnect-cells = <1>;
+			clock-names = "bus", "bus_a";
+			clocks = <&rpmcc RPM_SMD_OCMEMGX_CLK>,
+			         <&rpmcc RPM_SMD_OCMEMGX_A_CLK>;
+		};
+
+		mmssnoc: interconnect@...78000 {
+			reg = <0xfc478000 0x4000>;
+			compatible = "qcom,msm8974-mmssnoc";
+			#interconnect-cells = <1>;
+			clock-names = "bus", "bus_a";
+			clocks = <&mmcc MMSS_S0_AXI_CLK>,
+			         <&mmcc MMSS_S0_AXI_CLK>;
+		};
+
+		cnoc: interconnect@...80000 {
+			reg = <0xfc480000 0x4000>;
+			compatible = "qcom,msm8974-cnoc";
+			#interconnect-cells = <1>;
+			clock-names = "bus", "bus_a";
+			clocks = <&rpmcc RPM_SMD_CNOC_CLK>,
+			         <&rpmcc RPM_SMD_CNOC_A_CLK>;
+		};
+
 		mdss: mdss@...00000 {
 			status = "disabled";
 
@@ -1152,6 +1207,9 @@
 				              "core",
 				              "vsync";
 
+				interconnects = <&mmssnoc MNOC_MAS_MDP_PORT0 &bimc BIMC_SLV_EBI_CH0>;
+				interconnect-names = "mdp0-mem";
+
 				ports {
 					#address-cells = <1>;
 					#size-cells = <0>;
-- 
2.21.0