linux-kernel - [PATCH v4 4/6] arm64: tegra: Add Memory controller DT node on T194

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Date:   Wed, 30 Oct 2019 17:07:15 -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>, <bbiswas@...dia.com>,
        <olof@...om.net>, <jtukkinen@...dia.com>, <mperttunen@...dia.com>,
        <nicolinc@...dia.com>, Krishna Reddy <vdumpa@...dia.com>
Subject: [PATCH v4 4/6] 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       | 6 ++++++
 2 files changed, 10 insertions(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
index 4c38426..82a02490 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 3c0cf54..1e0b54b 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
@@ -163,6 +163,12 @@
 			};
 		};
 
+		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>;
-- 
2.7.4