[5/7] arm64: tegra: Add Memory controller DT node on T194
diff mbox series

Message ID 1567118827-26358-6-git-send-email-vdumpa@nvidia.com
State New
Headers show
Series
  • Nvidia Arm SMMUv2 Implementation
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Commit Message

Krishna Reddy Aug. 29, 2019, 10:47 p.m. UTC
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(+)

Comments

Thierry Reding Aug. 30, 2019, 11:18 a.m. UTC | #1
On Thu, Aug 29, 2019 at 03:47:05PM -0700, Krishna Reddy wrote:
> 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
>

Patch
diff mbox series

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";
+			reg = <0x02c00000 0xb0000>;
+			status = "disabled";
+		};
+
 		uarta: serial@3100000 {
 			compatible = "nvidia,tegra194-uart", "nvidia,tegra20-uart";
 			reg = <0x03100000 0x40>;