81 lines
2.1 KiB
Diff
81 lines
2.1 KiB
Diff
From da447ec387800bdf2df1fb1d8c1522991d025952 Mon Sep 17 00:00:00 2001
|
|
From: Sebastian Reichel <sebastian.reichel@collabora.com>
|
|
Date: Mon, 18 Sep 2023 16:14:51 +0200
|
|
Subject: [PATCH] arm64: dts: rockchip: add PCIe for M.2 E-Key to rock-5b
|
|
|
|
Enable PCIe2_0 controller and its voltage supply, which is routed
|
|
to the M.2 E-Key on the upper side of the Radxa Rock 5B.
|
|
|
|
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
|
|
Link: https://lore.kernel.org/r/20230918141451.131247-4-sebastian.reichel@collabora.com
|
|
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
|
|
---
|
|
.../boot/dts/rockchip/rk3588-rock-5b.dts | 35 +++++++++++++++++++
|
|
1 file changed, 35 insertions(+)
|
|
|
|
--- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
|
|
+++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
|
|
@@ -43,6 +43,21 @@
|
|
#cooling-cells = <2>;
|
|
};
|
|
|
|
+ vcc3v3_pcie2x1l0: vcc3v3-pcie2x1l0-regulator {
|
|
+ compatible = "regulator-fixed";
|
|
+ enable-active-high;
|
|
+ gpios = <&gpio1 RK_PD2 GPIO_ACTIVE_HIGH>;
|
|
+ pinctrl-names = "default";
|
|
+ pinctrl-0 = <&pcie2_0_vcc3v3_en>;
|
|
+ regulator-name = "vcc3v3_pcie2x1l0";
|
|
+ regulator-always-on;
|
|
+ regulator-boot-on;
|
|
+ regulator-min-microvolt = <3300000>;
|
|
+ regulator-max-microvolt = <3300000>;
|
|
+ startup-delay-us = <50000>;
|
|
+ vin-supply = <&vcc5v0_sys>;
|
|
+ };
|
|
+
|
|
vcc3v3_pcie2x1l2: vcc3v3-pcie2x1l2-regulator {
|
|
compatible = "regulator-fixed";
|
|
regulator-name = "vcc3v3_pcie2x1l2";
|
|
@@ -103,6 +118,10 @@
|
|
status = "okay";
|
|
};
|
|
|
|
+&combphy1_ps {
|
|
+ status = "okay";
|
|
+};
|
|
+
|
|
&cpu_b0 {
|
|
cpu-supply = <&vdd_cpu_big0_s0>;
|
|
};
|
|
@@ -229,6 +248,14 @@
|
|
};
|
|
};
|
|
|
|
+&pcie2x1l0 {
|
|
+ pinctrl-names = "default";
|
|
+ pinctrl-0 = <&pcie2_0_rst>;
|
|
+ reset-gpios = <&gpio4 RK_PA5 GPIO_ACTIVE_HIGH>;
|
|
+ vpcie3v3-supply = <&vcc3v3_pcie2x1l0>;
|
|
+ status = "okay";
|
|
+};
|
|
+
|
|
&pcie2x1l2 {
|
|
pinctrl-names = "default";
|
|
pinctrl-0 = <&pcie2_2_rst>;
|
|
@@ -263,6 +290,14 @@
|
|
};
|
|
|
|
pcie2 {
|
|
+ pcie2_0_rst: pcie2-0-rst {
|
|
+ rockchip,pins = <4 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>;
|
|
+ };
|
|
+
|
|
+ pcie2_0_vcc3v3_en: pcie2-0-vcc-en {
|
|
+ rockchip,pins = <1 RK_PD2 RK_FUNC_GPIO &pcfg_pull_none>;
|
|
+ };
|
|
+
|
|
pcie2_2_rst: pcie2-2-rst {
|
|
rockchip,pins = <3 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>;
|
|
};
|