Re: [PATCH V2 13/16] arm64: tegra: Enable PCIe slots in P2972-0000 board

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On 4/15/2019 8:42 PM, Thierry Reding wrote:
On Fri, Apr 05, 2019 at 01:24:40AM +0530, Vidya Sagar wrote:
Enable PCIe controller nodes to enable respective PCIe slots on
P2972-0000 board. Following is the ownership of slots by different
PCIe controllers.
Controller-0 : M.2 Key-M slot
Controller-1 : On-board Marvell eSATA controller
Controller-3 : M.2 Key-E slot

Signed-off-by: Vidya Sagar <vidyas@xxxxxxxxxx>
---
Changes since [v1]:
* Dropped 'pcie-' from phy-names property strings

  arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi     |  2 +-
  arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts | 50 ++++++++++++++++++++++
  2 files changed, 51 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
index 246c1ebbd055..13263529125b 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
@@ -191,7 +191,7 @@
  						regulator-boot-on;
  					};
- sd3 {
+					vdd_1v8ao: sd3 {
  						regulator-name = "VDD_1V8AO";
  						regulator-min-microvolt = <1800000>;
  						regulator-max-microvolt = <1800000>;
diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
index b62e96945846..82eb30bceaa6 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
@@ -169,4 +169,54 @@
  			};
  		};
  	};
+
+	pcie@14180000 {
+		status = "okay";
+
+		vddio-pex-ctl-supply = <&vdd_1v8ao>;
+
+		phys = <&p2u_2>,
+		       <&p2u_3>,
+		       <&p2u_4>,
+		       <&p2u_5>;

You can use multiple entries on a single line, especially if they are
this short.

+		phy-names = "p2u-0", "p2u-1", "p2u-2",
+			    "p2u-3";

Same here.

+	};
+
+	pcie@14100000 {
+		status = "okay";
+
+		vddio-pex-ctl-supply = <&vdd_1v8ao>;
+
+		phys = <&p2u_0>;
+		phy-names = "p2u-0";
+	};
+
+	pcie@14140000 {
+		status = "okay";
+
+		vddio-pex-ctl-supply = <&vdd_1v8ao>;
+
+		phys = <&p2u_7>;
+		phy-names = "p2u-0";
+	};
+
+	pcie@141a0000 {
+		status = "disabled";
+
+		vddio-pex-ctl-supply = <&vdd_1v8ao>;
+
+		phys = <&p2u_12>,
+		       <&p2u_13>,
+		       <&p2u_14>,
+		       <&p2u_15>,
+		       <&p2u_16>,
+		       <&p2u_17>,
+		       <&p2u_18>,
+		       <&p2u_19>;
+
+		phy-names = "p2u-0", "p2u-1", "p2u-2",
+			    "p2u-3", "p2u-4", "p2u-5",
+			    "p2u-6", "p2u-7";

And here.
I'll take care of all these in V3 series.


Thierry

+	};
  };
--
2.7.4





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