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SubjectRe: [PATCH] arm64: tegra: Fix PCIe regulator for Orin Jetson AGX
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Adding linux-tegra ...

On 26/05/2023 12:17, Jon Hunter wrote:
> The PCIe slot on the Jetson Orin AGX is not working and PCIe cards
> are not detected. The regulator for the 3.3V regulator for the PCIe is
> using the wrong GPIO for turning on the regulator. Fix this by updating
> the 3.3V regulator to use the correct GPIO.
>
> Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
> ---
> arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi b/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi
> index e161618cfca8..4dce2e214002 100644
> --- a/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi
> +++ b/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi
> @@ -142,7 +142,7 @@ vdd_3v3_pcie: regulator-vdd-3v3-pcie {
> regulator-name = "VDD_3V3_PCIE";
> regulator-min-microvolt = <3300000>;
> regulator-max-microvolt = <3300000>;
> - gpio = <&gpio TEGRA234_MAIN_GPIO(Z, 2) GPIO_ACTIVE_HIGH>;
> + gpio = <&gpio TEGRA234_MAIN_GPIO(H, 4) GPIO_ACTIVE_HIGH>;
> regulator-boot-on;
> enable-active-high;
> };

--
nvpublic

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