The NanoPC-T6 has a Mini PCIe slot intended to be used for a 4G or LTE modem. This slot has no PCIe functionality, only USB 2.0 pins are wired to the SoC, and USIM pins are wired to a SIM card slot on the board. Define the 3.3v supply for the slot so it can be used. Signed-off-by: Hugh Cole-Baker <sigmaris@xxxxxxxxx> --- Changes from v1: Renamed pinctrl label to pin_4g_lte_pwren, as labels should start with alphanumeric characters, and starting with a numeric character is a syntax error. v1: https://lore.kernel.org/linux-rockchip/20240107223714.8158-1-sigmaris@xxxxxxxxx/ .../boot/dts/rockchip/rk3588-nanopc-t6.dts | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dts b/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dts index d7722772ecd8..7e9613f079fa 100644 --- a/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dts +++ b/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dts @@ -159,6 +159,18 @@ vcc3v3_pcie30: vcc3v3-pcie30-regulator { regulator-max-microvolt = <3300000>; vin-supply = <&vcc5v0_sys>; }; + + vdd_4g_3v3: vdd-4g-3v3-regulator { + compatible = "regulator-fixed"; + enable-active-high; + gpio = <&gpio4 RK_PC6 GPIO_ACTIVE_HIGH>; + pinctrl-names = "default"; + pinctrl-0 = <&pin_4g_lte_pwren>; + regulator-name = "vdd_4g_3v3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + vin-supply = <&vcc5v0_sys>; + }; }; &combphy0_ps { @@ -504,6 +516,10 @@ pcie_m2_1_pwren: pcie-m21-pwren { }; usb { + pin_4g_lte_pwren: 4g-lte-pwren { + rockchip,pins = <4 RK_PC6 RK_FUNC_GPIO &pcfg_pull_none>; + }; + typec5v_pwren: typec5v-pwren { rockchip,pins = <1 RK_PD2 RK_FUNC_GPIO &pcfg_pull_none>; }; @@ -884,6 +900,7 @@ &uart2 { }; &u2phy2_host { + phy-supply = <&vdd_4g_3v3>; status = "okay"; }; -- 2.39.3 (Apple Git-145)
