On Wed, 7 Feb 2024 at 12:42, Krishna chaitanya chundru
<quic_krichai@xxxxxxxxxxx> wrote:
>
> Enable PCIe1 controller and its corresponding PHY nodes on
> qcs6490-rb3g2 platform.
>
> PCIe switch is connected to PCIe1, PCIe switch has multiple endpoints
> connected. For each endpoint a unique BDF will be assigned and should
> assign unique smmu id. So for each BDF add smmu id.
>
> Signed-off-by: Krishna chaitanya chundru <quic_krichai@xxxxxxxxxxx>
> ---
> arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts | 42 ++++++++++++++++++++++++++++
> 1 file changed, 42 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
> index 8bb7d13d85f6..0082a3399453 100644
> --- a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
> +++ b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
> @@ -413,6 +413,32 @@ vreg_bob_3p296: bob {
> };
> };
>
> +&pcie1 {
> + perst-gpios = <&tlmm 2 GPIO_ACTIVE_LOW>;
> +
> + pinctrl-0 = <&pcie1_reset_n>, <&pcie1_wake_n>;
> + pinctrl-names = "default";
> +
> + iommu-map = <0x0 &apps_smmu 0x1c80 0x1>,
> + <0x100 &apps_smmu 0x1c81 0x1>,
> + <0x208 &apps_smmu 0x1c84 0x1>,
> + <0x210 &apps_smmu 0x1c85 0x1>,
> + <0x218 &apps_smmu 0x1c86 0x1>,
> + <0x300 &apps_smmu 0x1c87 0x1>,
> + <0x400 &apps_smmu 0x1c88 0x1>,
> + <0x500 &apps_smmu 0x1c89 0x1>,
> + <0x501 &apps_smmu 0x1c90 0x1>;
Is the iommu-map really board specific?
> +
> + status = "okay";
> +};
> +
> +&pcie1_phy {
> + vdda-phy-supply = <&vreg_l10c_0p88>;
> + vdda-pll-supply = <&vreg_l6b_1p2>;
> +
> + status = "okay";
> +};
> +
> &qupv3_id_0 {
> status = "okay";
> };
> @@ -420,6 +446,22 @@ &qupv3_id_0 {
> &tlmm {
> gpio-reserved-ranges = <32 2>, /* ADSP */
> <48 4>; /* NFC */
> +
> + pcie1_reset_n: pcie1-reset-n-state {
> + pins = "gpio2";
> + function = "gpio";
> + drive-strength = <16>;
> + output-low;
> + bias-disable;
> + };
> +
> + pcie1_wake_n: pcie1-wake-n-state {
> + pins = "gpio3";
> + function = "gpio";
> + drive-strength = <2>;
> + bias-pull-up;
> + };
> +
> };
>
> &uart5 {
>
> ---
> base-commit: 70d201a40823acba23899342d62bc2644051ad2e
> change-id: 20240207-enable_pcie-95b1d6612b27
>
> Best regards,
> --
> Krishna chaitanya chundru <quic_krichai@xxxxxxxxxxx>
>
>
--
With best wishes
Dmitry
