linux-kernel - [PATCH v1 11/29] ARM: tegra: Add interconnect properties to Tegra124 device-tree

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Message-Id: <20191118200247.3567-12-digetx@gmail.com>
Date:   Mon, 18 Nov 2019 23:02:29 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Peter De Schrijver <pdeschrijver@...dia.com>,
        Mikko Perttunen <mperttunen@...dia.com>,
        Georgi Djakov <georgi.djakov@...aro.org>,
        Rob Herring <robh+dt@...nel.org>
Cc:     linux-tegra@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        devicetree@...r.kernel.org
Subject: [PATCH v1 11/29] ARM: tegra: Add interconnect properties to Tegra124 device-tree

Add interconnect properties to the memory controller, external memory
controller and the display controller nodes to describe interconnection
of these nodes.

Signed-off-by: Dmitry Osipenko <digetx@...il.com>
---
 arch/arm/boot/dts/tegra124.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi
index 413bfb981de8..5069af3011cc 100644
--- a/arch/arm/boot/dts/tegra124.dtsi
+++ b/arch/arm/boot/dts/tegra124.dtsi
@@ -3,6 +3,7 @@
 #include <dt-bindings/gpio/tegra-gpio.h>
 #include <dt-bindings/memory/tegra124-mc.h>
 #include <dt-bindings/pinctrl/pinctrl-tegra.h>
+#include <dt-bindings/interconnect/tegra-icc.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/reset/tegra124-car.h>
 #include <dt-bindings/thermal/tegra124-soctherm.h>
@@ -111,6 +112,9 @@
 			iommus = <&mc TEGRA_SWGROUP_DC>;
 
 			nvidia,head = <0>;
+
+			interconnects = <&mc TEGRA_ICC_MC_DC &emc TEGRA_ICC_EMEM>;
+			interconnect-names = "dma-mem";
 		};
 
 		dc@...40000 {
@@ -126,6 +130,9 @@
 			iommus = <&mc TEGRA_SWGROUP_DCB>;
 
 			nvidia,head = <1>;
+
+			interconnects = <&mc TEGRA_ICC_MC_DCB &emc TEGRA_ICC_EMEM>;
+			interconnect-names = "dma-mem";
 		};
 
 		hdmi: hdmi@...80000 {
@@ -620,6 +627,7 @@
 		interrupts = <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>;
 
 		#iommu-cells = <1>;
+		#interconnect-cells = <1>;
 	};
 
 	emc: emc@...1b000 {
@@ -627,6 +635,8 @@
 		reg = <0x0 0x7001b000 0x0 0x1000>;
 
 		nvidia,memory-controller = <&mc>;
+
+		#interconnect-cells = <1>;
 	};
 
 	sata@...20000 {
-- 
2.23.0