[V4,6/6] arm64: tegra: Add PCIe slot supply information in p2972-0000 platform
diff mbox series

Message ID 20190905104553.2884-7-vidyas@nvidia.com
State New
Headers show
Series
  • PCI: tegra: Enable PCIe C5 controller of Tegra194 in p2972-0000 platform
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Commit Message

Vidya Sagar Sept. 5, 2019, 10:45 a.m. UTC
Add 3.3V and 12V supplies regulators information of x16 PCIe slot in
p2972-0000 platform which is owned by C5 controller and also enable C5
controller.

Signed-off-by: Vidya Sagar <vidyas@nvidia.com>
Reviewed-by: Andrew Murray <andrew.murray@arm.com>
---
V4:
* None

V3:
* None

V2:
* None

 .../arm64/boot/dts/nvidia/tegra194-p2888.dtsi | 24 +++++++++++++++++++
 .../boot/dts/nvidia/tegra194-p2972-0000.dts   |  4 +++-
 2 files changed, 27 insertions(+), 1 deletion(-)

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 62e07e1197cc..4c38426a6969 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
@@ -289,5 +289,29 @@ 
 			gpio = <&gpio TEGRA194_MAIN_GPIO(A, 3) GPIO_ACTIVE_HIGH>;
 			enable-active-high;
 		};
+
+		vdd_3v3_pcie: regulator@2 {
+			compatible = "regulator-fixed";
+			reg = <2>;
+
+			regulator-name = "PEX_3V3";
+			regulator-min-microvolt = <3300000>;
+			regulator-max-microvolt = <3300000>;
+			gpio = <&gpio TEGRA194_MAIN_GPIO(Z, 2) GPIO_ACTIVE_HIGH>;
+			regulator-boot-on;
+			enable-active-high;
+		};
+
+		vdd_12v_pcie: regulator@3 {
+			compatible = "regulator-fixed";
+			reg = <3>;
+
+			regulator-name = "VDD_12V";
+			regulator-min-microvolt = <1200000>;
+			regulator-max-microvolt = <1200000>;
+			gpio = <&gpio TEGRA194_MAIN_GPIO(A, 1) GPIO_ACTIVE_LOW>;
+			regulator-boot-on;
+			enable-active-low;
+		};
 	};
 };
diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
index 23597d53c9c9..d47cd8c4dd24 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
@@ -93,9 +93,11 @@ 
 	};
 
 	pcie@141a0000 {
-		status = "disabled";
+		status = "okay";
 
 		vddio-pex-ctl-supply = <&vdd_1v8ao>;
+		vpcie3v3-supply = <&vdd_3v3_pcie>;
+		vpcie12v-supply = <&vdd_12v_pcie>;
 
 		phys = <&p2u_nvhs_0>, <&p2u_nvhs_1>, <&p2u_nvhs_2>,
 		       <&p2u_nvhs_3>, <&p2u_nvhs_4>, <&p2u_nvhs_5>,