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arm64: dts: st: add PCIe pinctrl entries in stm32mp25-pinctrl.dtsi

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Add PCIe pinctrl entries in stm32mp25-pinctrl.dtsi
init: forces GPIO to low while probing so CLKREQ is low for
phy_init
default: restore the AFMUX after controller probe

Add Analog pins of PCIe to perform power cycle

Signed-off-by: Christian Bruel <christian.bruel@foss.st.com>
Link: https://lore.kernel.org/r/20250820075411.1178729-9-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 09:54:08 +02:00 committed by Alexandre Torgue
parent 27cd5cd8bd
commit 7e4479c924
1 changed files with 20 additions and 0 deletions
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20
arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi
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@ -133,6 +133,26 @@ pins {
};
};
pcie_pins_a: pcie-0 {
pins {
pinmux = <STM32_PINMUX('J', 0, AF4)>;
bias-disable;
};
};
pcie_init_pins_a: pcie-init-0 {
pins {
pinmux = <STM32_PINMUX('J', 0, GPIO)>;
output-low;
};
};
pcie_sleep_pins_a: pcie-sleep-0 {
pins {
pinmux = <STM32_PINMUX('J', 0, ANALOG)>;
};
};
pwm3_pins_a: pwm3-0 {
pins {
pinmux = <STM32_PINMUX('B', 15, AF7)>; /* TIM3_CH2 */