Add the nodes to enable the NVM Express PCIe controller on the
Radxa ROCK3 Model A board.
Cc: Chukun Pan <amadeus@xxxxxxxxxx>
Cc: Michael Riesch <michael.riesch@xxxxxxxxxxxxxx>
Signed-off-by: Anand Moon <linux.amoon@xxxxxxxxx>
---
alarm@rock-3a:~$ lspci
0000:00:00.0 PCI bridge: Rockchip Electronics Co., Ltd RK3568 Remote Signal Processor (rev 01)
0002:00:00.0 PCI bridge: Rockchip Electronics Co., Ltd RK3568 Remote Signal Processor (rev 01)
0002:01:00.0 Non-Volatile memory controller: Micron/Crucial Technology P2 NVMe PCIe SSD (rev 01)
---
.../boot/dts/rockchip/rk3568-rock-3a.dts | 36 +++++++++++++++++++
1 file changed, 36 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
index fb87a168fe96..44d85ee1631e 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
@@ -79,6 +79,26 @@ vcc3v3_pcie: vcc3v3-pcie-regulator {
vin-supply = <&vcc5v0_sys>;
};
+ /* pi6c pcie clock generator feeds both ports */
+ vcc3v3_pi6c_03: vcc3v3-pi6c-03-regulator {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc3v3_pi6c_03";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ startup-delay-us = <200000>;
+ vin-supply = <&vcc5v0_sys>;
+ };
+
+ pcie30_3v3: gpio-regulator {
+ compatible = "regulator-gpio";
+ regulator-name = "pcie30_3v3";
+ regulator-min-microvolt = <100000>;
+ regulator-max-microvolt = <3300000>;
+ gpios = <&gpio0 RK_PD4 GPIO_ACTIVE_HIGH>;
+ gpios-states = <0x1>;
+ states = <100000 0x0>, <3300000 0x1>;
+ };
+
vcc3v3_sys: vcc3v3-sys {
compatible = "regulator-fixed";
regulator-name = "vcc3v3_sys";
@@ -546,6 +566,22 @@ &pcie2x1 {
status = "okay";
};
+&pcie30phy {
+ data-lanes = <0 1 2 3>;
+ phy-supply = <&vcc3v3_pi6c_03>;
+ status = "okay";
+};
+
+&pcie3x2 {
+ /* mPCIe slot */
+ num-lanes = <1>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie30x2m1_pins>;
+ reset-gpios = <&gpio2 RK_PD6 GPIO_ACTIVE_HIGH>;
+ vpcie3v3-supply = <&pcie30_3v3>;
+ status = "okay";
+};
+
&pinctrl {
cam {
vcc_cam_en: vcc_cam_en {
--
2.37.3
