* [PATCH 1/1] arm64: dts: mb-smarc-2: Add PCIe support
@ 2025-12-17 8:48 Alexander Stein
2025-12-30 8:30 ` Shawn Guo
0 siblings, 1 reply; 2+ messages in thread
From: Alexander Stein @ 2025-12-17 8:48 UTC (permalink / raw)
To: Shawn Guo, Sascha Hauer, Pengutronix Kernel Team, Fabio Estevam,
Rob Herring, Krzysztof Kozlowski, Conor Dooley
Cc: Alexander Stein, linux, imx, linux-arm-kernel, devicetree,
linux-kernel
TQMa8XxS on MB-SMARC-2 supports mPCIe on X44.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
---
.../boot/dts/freescale/tqma8xxs-mb-smarc-2.dtsi | 10 ++++++++++
arch/arm64/boot/dts/freescale/tqma8xxs.dtsi | 14 +++++++++++---
2 files changed, 21 insertions(+), 3 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/tqma8xxs-mb-smarc-2.dtsi b/arch/arm64/boot/dts/freescale/tqma8xxs-mb-smarc-2.dtsi
index 8bfe77113d64b..050ae23c4dc1e 100644
--- a/arch/arm64/boot/dts/freescale/tqma8xxs-mb-smarc-2.dtsi
+++ b/arch/arm64/boot/dts/freescale/tqma8xxs-mb-smarc-2.dtsi
@@ -126,6 +126,12 @@ &flexcan3 {
status = "okay";
};
+&hsio_phy {
+ fsl,hsio-cfg = "pciea-x2-pcieb";
+ fsl,refclk-pad-mode = "input";
+ status = "okay";
+};
+
&i2c0 {
tlv320aic3x04: audio-codec@18 {
compatible = "ti,tlv320aic32x4";
@@ -156,6 +162,10 @@ &lpuart3 {
status = "okay";
};
+&pcieb {
+ status = "okay";
+};
+
®_sdvmmc {
off-on-delay-us = <200000>;
status = "okay";
diff --git a/arch/arm64/boot/dts/freescale/tqma8xxs.dtsi b/arch/arm64/boot/dts/freescale/tqma8xxs.dtsi
index ebf20d5b5df9c..bfc918f18d011 100644
--- a/arch/arm64/boot/dts/freescale/tqma8xxs.dtsi
+++ b/arch/arm64/boot/dts/freescale/tqma8xxs.dtsi
@@ -402,6 +402,14 @@ &mu1_m0 {
status = "okay";
};
+&pcieb {
+ phys = <&hsio_phy 0 PHY_TYPE_PCIE 0>;
+ phy-names = "pcie-phy";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pcieb>;
+ reset-gpio = <&lsio_gpio4 0 GPIO_ACTIVE_LOW>;
+};
+
&sai1 {
assigned-clocks = <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_PLL>,
<&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_SLV_BUS>,
@@ -646,9 +654,9 @@ pinctrl_i2c0_gpio_mipi_lvds0: mipi-lvds0-i2c0-gpiogrp {
};
pinctrl_pcieb: pcieagrp {
- fsl,pins = <IMX8QXP_PCIE_CTRL0_PERST_B_LSIO_GPIO4_IO00 0x06000041>,
- <IMX8QXP_PCIE_CTRL0_CLKREQ_B_LSIO_GPIO4_IO01 0x06000041>,
- <IMX8QXP_PCIE_CTRL0_WAKE_B_LSIO_GPIO4_IO02 0x04000041>;
+ fsl,pins = <IMX8QXP_PCIE_CTRL0_PERST_B_LSIO_GPIO4_IO00 0x06000041>,
+ <IMX8QXP_PCIE_CTRL0_CLKREQ_B_HSIO_PCIE0_CLKREQ_B 0x06000041>,
+ <IMX8QXP_PCIE_CTRL0_WAKE_B_LSIO_GPIO4_IO02 0x04000041>;
};
pinctrl_pwm_mipi_lvds0: mipi-lvds0-pwmgrp {
--
2.43.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH 1/1] arm64: dts: mb-smarc-2: Add PCIe support
2025-12-17 8:48 [PATCH 1/1] arm64: dts: mb-smarc-2: Add PCIe support Alexander Stein
@ 2025-12-30 8:30 ` Shawn Guo
0 siblings, 0 replies; 2+ messages in thread
From: Shawn Guo @ 2025-12-30 8:30 UTC (permalink / raw)
To: Alexander Stein
Cc: Sascha Hauer, Pengutronix Kernel Team, Fabio Estevam, Rob Herring,
Krzysztof Kozlowski, Conor Dooley, linux, imx, linux-arm-kernel,
devicetree, linux-kernel
On Wed, Dec 17, 2025 at 09:48:04AM +0100, Alexander Stein wrote:
> TQMa8XxS on MB-SMARC-2 supports mPCIe on X44.
>
> Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Applied, thanks!
^ permalink raw reply [flat|nested] 2+ messages in thread
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