From 7653f2156ae2ab8bc1e58b53dca1f55101228d80 Mon Sep 17 00:00:00 2001 From: Max Krummenacher Date: Mon, 29 Aug 2022 17:12:40 +0200 Subject: arm64: dts: imx8mp-verdin: add pcie functionality Enable the PCIe and PCIe PHY. Upstream-status: Pending [mainline does not support PCIe yet] Signed-off-by: Max Krummenacher --- .../boot/dts/freescale/imx8mp-verdin-dahlia.dtsi | 10 ++++++++- arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi | 25 +++++++++++++++++++++- 2 files changed, 33 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mp-verdin-dahlia.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-verdin-dahlia.dtsi index bb3ac603ad7b..48ef964eb621 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-verdin-dahlia.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp-verdin-dahlia.dtsi @@ -109,7 +109,15 @@ }; }; -/* TODO: Verdin PCIE_1 */ +/* Verdin PCIE_1 */ +&pcie { + epdev_on-supply = <®_3p3v>; + status = "okay"; +}; + +&pcie_phy { + status = "okay"; +}; /* Verdin PWM_1 */ &pwm1 { diff --git a/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi index b90fa8fd5d37..89a0924faabe 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi @@ -827,7 +827,30 @@ }; }; -/* TODO: Verdin PCIE_1 */ +/* Verdin PCIE_1 */ +&pcie { + assigned-clocks = <&clk IMX8MP_CLK_HSIO_AXI>, + <&clk IMX8MP_CLK_PCIE_AUX>; + assigned-clock-parents = <&clk IMX8MP_SYS_PLL2_500M>, + <&clk IMX8MP_SYS_PLL2_50M>; + assigned-clock-rates = <500000000>, <10000000>; + bus-range = <0x00 0xff>; + clocks = <&clk IMX8MP_CLK_HSIO_ROOT>, + <&clk IMX8MP_CLK_PCIE_AUX>, + <&clk IMX8MP_CLK_HSIO_AXI>, + <&clk IMX8MP_CLK_PCIE_ROOT>; + clock-names = "pcie", "pcie_aux", "pcie_phy", "pcie_bus"; + ext_osc = <0>; + l1ss-disabled; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pcie>; + /* PCIE_1_RESET# (SODIMM 244) */ + reset-gpio = <&gpio4 19 GPIO_ACTIVE_LOW>; +}; + +&pcie_phy { + ext_osc = <0>; +}; /* Verdin PWM_1 */ &pwm1 { -- cgit v1.2.3