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openwrt/target/linux/rockchip/patches-6.6/052-03-v6.7-arm64-dts-rockchip-add-PCIe-for-M.2-E-Key-to-rock-5b.patch
Tianling Shen 1c61a8f958 rockchip: add Radxa ROCK 5B support
Hardware
--------
RockChip RK3588 ARM64 (8 cores)
4/8/16/32GB LPDDR4X RAM
2500 Base-T
RGB LED
eMMC Connector
SPI-NOR 16MB
Micro-SD Slot
2x USB 2.0 Port
2x USB 3.0 Port
Headphone Jack
M.2 E-Key
M.2 M-Key
USB PD 5/9/12/15/20V Power

Install
--------
Uncompress the OpenWrt sysupgrade and write it to a micro SD card or
internal eMMC using dd.

Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>
Link: https://github.com/openwrt/openwrt/pull/16149
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2024-08-21 00:10:47 +02:00

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>;
};