On Wed, Feb 08, 2023 at 04:46:44PM +0530, Manikanta Maddireddy wrote:PCIe wake is gpio based not pmc, only wake support is provided by PMC controller.
Add PCIe port node under the PCIe controller-1 device tree node to supportDon't we need to wire this to the PMC interrupt controller and the wake
PCIe WAKE# interrupt for WiFi.
Signed-off-by: Manikanta Maddireddy <mmaddireddy@xxxxxxxxxx>
---
Changes in v14:
New patch in the series to support PCIe WAKE# in NVIDIA Jetson AGX Orin.
.../dts/nvidia/tegra234-p3737-0000+p3701-0000.dts | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts b/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts
index 8a9747855d6b..9c89be263141 100644
--- a/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts
@@ -2147,6 +2147,17 @@ pcie@14100000 {
phys = <&p2u_hsio_3>;
phy-names = "p2u-0";
+
+ pci@0,0 {
+ reg = <0x0000 0 0 0 0>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ ranges;
+
+ interrupt-parent = <&gpio>;
+ interrupts = <TEGRA234_MAIN_GPIO(L, 2) IRQ_TYPE_LEVEL_LOW>;
+ interrupt-names = "wakeup";
+ };
event corresponding to the L2 GPIO? Otherwise none of the wake logic in
PMC will get invoked.
Thierry