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charset="utf-8" Add pcie[0,1] and pcie-ep[0,1] support. Signed-off-by: Richard Zhu --- arch/arm64/boot/dts/freescale/imx943-evk.dts | 108 +++++++++++++++++++ 1 file changed, 108 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx943-evk.dts b/arch/arm64/boot= /dts/freescale/imx943-evk.dts index 31fa9675cee13..37a8349bc7905 100644 --- a/arch/arm64/boot/dts/freescale/imx943-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx943-evk.dts @@ -53,6 +53,13 @@ dmic: dmic { #sound-dai-cells =3D <0>; }; =20 + pcie_ref_clk: clock-pcie-ref { + compatible =3D "gpio-gate-clock"; + clocks =3D <&xtal25m>; + #clock-cells =3D <0>; + enable-gpios =3D <&pca9670_i2c3 7 GPIO_ACTIVE_LOW>; + }; + reg_usdhc2_vmmc: regulator-usdhc2 { compatible =3D "regulator-fixed"; off-on-delay-us =3D <12000>; @@ -74,6 +81,41 @@ reg_audio_pwr: regulator-wm8962-pwr { enable-active-high; }; =20 + reg_m2_pwr: regulator-m2-pwr { + compatible =3D "regulator-fixed"; + regulator-name =3D "M.2-power"; + regulator-min-microvolt =3D <3300000>; + regulator-max-microvolt =3D <3300000>; + gpio =3D <&pcal6416_i2c3_u46 2 GPIO_ACTIVE_HIGH>; + enable-active-high; + /* + * M.2 device only can be enabled(W_DISABLE1#) after all Power + * Rails reach their minimum operating voltage (PCI Express M.2 + * Specification r5.1 3.1.4 Power-up Timing). + * Set a delay equal to the max value of Tsettle here. + */ + startup-delay-us =3D <5000>; + }; + + reg_pcie0: regulator-pcie { + compatible =3D "regulator-fixed"; + regulator-name =3D "PCIE_WLAN_EN"; + regulator-min-microvolt =3D <3300000>; + regulator-max-microvolt =3D <3300000>; + vin-supply =3D <®_m2_pwr>; + gpio =3D <&pcal6416_i2c3_u46 5 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + + reg_slot_pwr: regulator-slot-pwr { + compatible =3D "regulator-fixed"; + regulator-name =3D "PCIe slot-power"; + regulator-min-microvolt =3D <3300000>; + regulator-max-microvolt =3D <3300000>; + gpio =3D <&pcal6416_i2c3_u46 0 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + reserved-memory { ranges; #address-cells =3D <2>; @@ -144,6 +186,13 @@ memory@80000000 { reg =3D <0x0 0x80000000 0x0 0x80000000>; device_type =3D "memory"; }; + + xtal25m: clock-xtal25m { + compatible =3D "fixed-clock"; + #clock-cells =3D <0>; + clock-frequency =3D <25000000>; + clock-output-names =3D "xtal_25MHz"; + }; }; =20 &enetc1 { @@ -609,6 +658,18 @@ IMX94_PAD_GPIO_IO28__LPI2C6_SCL 0x40000b9e >; }; =20 + pinctrl_pcie0: pcie0grp { + fsl,pins =3D < + IMX94_PAD_GPIO_IO20__PCIE1_CLKREQ_B 0x4000031e + >; + }; + + pinctrl_pcie1: pcie1grp { + fsl,pins =3D < + IMX94_PAD_GPIO_IO23__PCIE2_CLKREQ_B 0x4000031e + >; + }; + pinctrl_pdm: pdmgrp { fsl,pins =3D < IMX94_PAD_PDM_CLK__PDM_CLK 0x31e @@ -756,6 +817,53 @@ IMX94_PAD_XSPI1_DQS__XSPI1_A_DQS 0x3fe }; }; =20 +&pcie0 { + pinctrl-0 =3D <&pinctrl_pcie0>; + pinctrl-names =3D "default"; + clocks =3D <&scmi_clk IMX94_CLK_HSIO>, + <&scmi_clk IMX94_CLK_HSIOPLL>, + <&scmi_clk IMX94_CLK_HSIOPLL_VCO>, + <&scmi_clk IMX94_CLK_HSIOPCIEAUX>, + <&hsio_blk_ctl 0>, + <&pcie_ref_clk>; + clock-names =3D "pcie", "pcie_bus", "pcie_phy", "pcie_aux", + "ref", "extref"; + reset-gpio =3D <&pcal6416_i2c3_u46 3 GPIO_ACTIVE_LOW>; + vpcie3v3aux-supply =3D <®_pcie0>; + supports-clkreq; + status =3D "okay"; +}; + +&pcie0_ep { + pinctrl-0 =3D <&pinctrl_pcie0>; + pinctrl-names =3D "default"; + vpcie3v3aux-supply =3D <®_pcie0>; + status =3D "disabled"; +}; + +&pcie1 { + pinctrl-0 =3D <&pinctrl_pcie1>; + pinctrl-names =3D "default"; + clocks =3D <&scmi_clk IMX94_CLK_HSIO>, + <&scmi_clk IMX94_CLK_HSIOPLL>, + <&scmi_clk IMX94_CLK_HSIOPLL_VCO>, + <&scmi_clk IMX94_CLK_HSIOPCIEAUX>, + <&hsio_blk_ctl 0>, + <&pcie_ref_clk>; + clock-names =3D "pcie", "pcie_bus", "pcie_phy", "pcie_aux", + "ref", "extref"; + reset-gpio =3D <&pcal6416_i2c3_u46 1 GPIO_ACTIVE_LOW>; + vpcie3v3aux-supply =3D <®_slot_pwr>; + status =3D "okay"; +}; + +&pcie1_ep { + pinctrl-0 =3D <&pinctrl_pcie1>; + pinctrl-names =3D "default"; + vpcie3v3aux-supply =3D <®_slot_pwr>; + status =3D "disabled"; +}; + &usdhc1 { pinctrl-0 =3D <&pinctrl_usdhc1>; pinctrl-1 =3D <&pinctrl_usdhc1_100mhz>; --=20 2.37.1