[PATCH v9 9/9] arm64: dts: st: Enable PCIe on the stm32mp257f-ev1 board
Christian Bruel
christian.bruel at foss.st.com
Wed May 14 02:15:30 PDT 2025
Add PCIe RC and EP support on stm32mp257f-ev1 board.
Default to RC mode.
Signed-off-by: Christian Bruel <christian.bruel at foss.st.com>
---
arch/arm64/boot/dts/st/stm32mp257f-ev1.dts | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts b/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
index 9d1a1155e36c..85f99a1ca154 100644
--- a/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
+++ b/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
@@ -257,6 +257,27 @@ scmi_vdd_sdcard: regulator at 23 {
};
};
+&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 at 0,0 {
+ reset-gpios = <&gpioj 8 GPIO_ACTIVE_LOW>;
+ wake-gpios = <&gpioh 5 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
+ };
+};
+
&sdmmc1 {
pinctrl-names = "default", "opendrain", "sleep";
pinctrl-0 = <&sdmmc1_b4_pins_a>;
--
2.34.1
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