[PATCH v3 8/9] arm64: dts: renesas: rzg3s-smarc: Enable PCIe

Claudiu
2025-07-04T16:48:37Z

From: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>

The RZ Smarc Carrier-II board has PCIe headers mounted on it. Enable PCIe
support.

Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
---

Changes in v3:
- collected tags

Changes in v2:
- none

arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi | 11 +++++++++++
1 file changed, 11 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi b/arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi
index 5e044a4d0234..6e9e78aca0b0 100644
--- a/arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi
@@ -132,6 +132,12 @@ power-monitor@44 {
};
};

+&pcie {
+ pinctrl-0 = <&pcie_pins>;
+ pinctrl-names = "default";
+ status = "okay";
+};
+
&pinctrl {
audio_clock_pins: audio-clock {
pins = "AUDIO_CLK1", "AUDIO_CLK2";
@@ -159,6 +165,11 @@ key-3-gpio-hog {
line-name = "key-3-gpio-irq";
};

+ pcie_pins: pcie {
+ pinmux = <RZG2L_PORT_PINMUX(13, 2, 2)>, /* PCIE_RST_OUT_B */
+ <RZG2L_PORT_PINMUX(13, 3, 2)>; /* PCIE_CLKREQ_B */
+ };
+
scif0_pins: scif0 {
pinmux = <RZG2L_PORT_PINMUX(6, 3, 1)>, /* RXD */
<RZG2L_PORT_PINMUX(6, 4, 1)>; /* TXD */
--
2.43.0