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 <[email protected]> Reviewed-by: Andrew Murray <[email protected]> --- 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(-) 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>, -- 2.17.1
