Re: [PATCH] arm64: tegra: Fix PCIe regulator for Orin Jetson AGX

[Jon Hunter]

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@xxxxxxxxxx>
> ---
>   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