linux-kernel - [PATCH v2 5/7] arm64: tegra: Add Memory controller DT node on T194

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Message-ID: <1567481528-31163-6-git-send-email-vdumpa@nvidia.com>
Date:   Mon, 2 Sep 2019 20:32:06 -0700
From:   Krishna Reddy <vdumpa@...dia.com>
To:     unlisted-recipients:; (no To-header on input)
CC:     <joro@...tes.org>, <will@...nel.org>, <robin.murphy@....com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <iommu@...ts.linux-foundation.org>, <linux-kernel@...r.kernel.org>,
        <linux-tegra@...r.kernel.org>, <treding@...dia.com>,
        <yhsu@...dia.com>, <snikam@...dia.com>, <praithatha@...dia.com>,
        <talho@...dia.com>, <avanbrunt@...dia.com>, <thomasz@...dia.com>,
        <olof@...om.net>, <jtukkinen@...dia.com>, <mperttunen@...dia.com>,
        Krishna Reddy <vdumpa@...dia.com>
Subject: [PATCH v2 5/7] arm64: tegra: Add Memory controller DT node on T194

Add Memory controller DT node on T194 and enable it.
This patch is a prerequisite for SMMU enable on T194.

Signed-off-by: Krishna Reddy <vdumpa@...dia.com>
---
 arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi | 4 ++++
 arch/arm64/boot/dts/nvidia/tegra194.dtsi       | 7 +++++++
 2 files changed, 11 insertions(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
index 62e07e11..4b3441b 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
@@ -47,6 +47,10 @@
 			};
 		};
 
+		memory-controller@...0000 {
+			status = "okay";
+		};
+
 		serial@...0000 {
 			status = "okay";
 		};
diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
index adebbbf..d906958 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
@@ -6,6 +6,7 @@
 #include <dt-bindings/reset/tegra194-reset.h>
 #include <dt-bindings/power/tegra194-powergate.h>
 #include <dt-bindings/thermal/tegra194-bpmp-thermal.h>
+#include <dt-bindings/memory/tegra186-mc.h>
 
 / {
 	compatible = "nvidia,tegra194";
@@ -130,6 +131,12 @@
 			};
 		};
 
+		memory-controller@...0000 {
+			compatible = "nvidia,tegra186-mc";
+			reg = <0x02c00000 0xb0000>;
+			status = "disabled";
+		};
+
 		uarta: serial@...0000 {
 			compatible = "nvidia,tegra194-uart", "nvidia,tegra20-uart";
 			reg = <0x03100000 0x40>;
-- 
2.1.4