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arm64: dts: st: Enable PCIe on the stm32mp257f-ev1 board

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Add PCIe RC and EP support on stm32mp257f-ev1 board.
Default to RC mode.

Signed-off-by: Christian Bruel <christian.bruel@foss.st.com>
Link: https://lore.kernel.org/r/20250820075411.1178729-12-christian.bruel@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
This commit is contained in:
Christian Bruel 2025-08-20 09:54:11 +02:00 committed by Alexandre Torgue
parent 73d536ae1a
commit 30793e0108
1 changed files with 21 additions and 0 deletions
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21
arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
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@ -230,6 +230,27 @@ timer {
};
};
&pcie_ep {
pinctrl-names = "default", "init";
pinctrl-0 = <&pcie_pins_a>;
pinctrl-1 = <&pcie_init_pins_a>;
reset-gpios = <&gpioj 8 GPIO_ACTIVE_LOW>;
status = "disabled";
};
&pcie_rc {
pinctrl-names = "default", "init", "sleep";
pinctrl-0 = <&pcie_pins_a>;
pinctrl-1 = <&pcie_init_pins_a>;
pinctrl-2 = <&pcie_sleep_pins_a>;
status = "okay";
pcie@0,0 {
reset-gpios = <&gpioj 8 GPIO_ACTIVE_LOW>;
wake-gpios = <&gpioh 5 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
};
};
&rtc {
status = "okay";
};