diff options
| author | Sherry Sun <sherry.sun@nxp.com> | 2026-04-22 17:35:47 +0800 |
|---|---|---|
| committer | Frank Li <Frank.Li@nxp.com> | 2026-06-05 13:16:49 -0400 |
| commit | 2f42bbebb7bef302b190f8965b7a675268567aa1 (patch) | |
| tree | f23b3c24627bc359389a7386dbd1e9edc47c726d | |
| parent | 396fbe9a028db8014f7566c0c023f53f3d0b77eb (diff) | |
| download | linux-2f42bbebb7bef302b190f8965b7a675268567aa1.tar.gz linux-2f42bbebb7bef302b190f8965b7a675268567aa1.zip | |
arm64: dts: imx8mq: Add Root Port node and PERST property
Since describing the PCIe PERST# property under Host Bridge node is now
deprecated, it is recommended to add it to the Root Port node, so
creating the Root Port node and add the reset-gpios property in Root
Port.
Signed-off-by: Sherry Sun <sherry.sun@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mq-evk.dts | 10 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mq.dtsi | 22 |
2 files changed, 32 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts index d48f901487d4..e7d87ea81b69 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts @@ -369,6 +369,7 @@ &pcie0 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_pcie0>; + /* This property is deprecated, use reset-gpios from the Root Port node. */ reset-gpio = <&gpio5 28 GPIO_ACTIVE_LOW>; clocks = <&clk IMX8MQ_CLK_PCIE1_ROOT>, <&pcie0_refclk>, @@ -389,9 +390,14 @@ status = "disabled"; }; +&pcie0_port0 { + reset-gpios = <&gpio5 28 GPIO_ACTIVE_LOW>; +}; + &pcie1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_pcie1>; + /* This property is deprecated, use reset-gpios from the Root Port node. */ reset-gpio = <&gpio5 12 GPIO_ACTIVE_LOW>; clocks = <&clk IMX8MQ_CLK_PCIE2_ROOT>, <&pcie0_refclk>, @@ -414,6 +420,10 @@ status = "disabled"; }; +&pcie1_port0 { + reset-gpios = <&gpio5 12 GPIO_ACTIVE_LOW>; +}; + &pgc_gpu { power-supply = <&sw1a_reg>; }; diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi index 6a25e219832c..e60872aeeb49 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi @@ -1768,6 +1768,17 @@ assigned-clock-rates = <250000000>, <100000000>, <10000000>; status = "disabled"; + + pcie0_port0: pcie@0 { + compatible = "pciclass,0604"; + device_type = "pci"; + reg = <0x0 0x0 0x0 0x0 0x0>; + bus-range = <0x01 0xff>; + + #address-cells = <3>; + #size-cells = <2>; + ranges; + }; }; pcie0_ep: pcie-ep@33800000 { @@ -1846,6 +1857,17 @@ assigned-clock-rates = <250000000>, <100000000>, <10000000>; status = "disabled"; + + pcie1_port0: pcie@0 { + compatible = "pciclass,0604"; + device_type = "pci"; + reg = <0x0 0x0 0x0 0x0 0x0>; + bus-range = <0x01 0xff>; + + #address-cells = <3>; + #size-cells = <2>; + ranges; + }; }; pcie1_ep: pcie-ep@33c00000 { |