Add nodes to ODROID-M1 to support PCIe v3 on the M2 slot.
Signed-off-by: Aurelien Jarno <aurelien@xxxxxxxxxxx>
Tested-by: Dan Johansen <strit@xxxxxxxxxxx>
---
.../boot/dts/rockchip/rk3568-odroid-m1.dts | 34 +++++++++++++++++++
1 file changed, 34 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3568-odroid-m1.dts b/arch/arm64/boot/dts/rockchip/rk3568-odroid-m1.dts
index bd24ccf94e76..2f685c606bb9 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-odroid-m1.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-odroid-m1.dts
@@ -96,6 +96,19 @@ simple-audio-card,codec {
};
};
+ vcc3v3_pcie: vcc3v3-pcie-regulator {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc3v3_pcie";
+ enable-active-high;
+ gpio = <&gpio4 RK_PA7 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&vcc3v3_pcie_en_pin>;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ startup-delay-us = <5000>;
+ vin-supply = <&vcc3v3_sys>;
+ };
+
vcc3v3_sys: vcc3v3-sys-regulator {
compatible = "regulator-fixed";
regulator-name = "vcc3v3_sys";
@@ -479,6 +492,18 @@ rgmii_phy0: ethernet-phy@0 {
};
};
+&pcie30phy {
+ status = "okay";
+};
+
+&pcie3x2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie_reset_pin>;
+ reset-gpios = <&gpio2 RK_PD6 GPIO_ACTIVE_HIGH>;
+ vpcie3v3-supply = <&vcc3v3_pcie>;
+ status = "okay";
+};
+
&pinctrl {
fspi {
fspi_dual_io_pins: fspi-dual-io-pins {
@@ -503,6 +528,15 @@ led_work_pin: led-work-pin {
};
};
+ pcie {
+ pcie_reset_pin: pcie-reset-pin {
+ rockchip,pins = <2 RK_PD6 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ vcc3v3_pcie_en_pin: vcc3v3-pcie-en-pin {
+ rockchip,pins = <4 RK_PA7 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+
pmic {
pmic_int_l: pmic-int-l {
rockchip,pins = <0 RK_PA3 RK_FUNC_GPIO &pcfg_pull_up>;
--
2.35.1
