Re: [PATCH 5/7] arm64: tegra: Add Memory controller DT node on T194
From: Thierry Reding <hidden>
Date: 2019-08-30 11:18:17
Also in:
linux-iommu, linux-tegra, lkml
On Thu, Aug 29, 2019 at 03:47:05PM -0700, Krishna Reddy wrote:
quoted hunk ↗ jump to hunk
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@nvidia.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@2c00000 { + status = "okay"; + }; + serial@3110000 { 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@2c00000 { + compatible = "nvidia,tegra186-mc";
I think we need to make this "nvidia,tegra194-mc" and then enhance the Tegra186 driver to match on that compatible string. Nothing to worry about just yet and I can make that change when applying. Thierry
+ reg = <0x02c00000 0xb0000>;
+ status = "disabled";
+ };
+
uarta: serial@3100000 {
compatible = "nvidia,tegra194-uart", "nvidia,tegra20-uart";
reg = <0x03100000 0x40>;
--
2.1.4