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74 lines
1.9 KiB
Diff
74 lines
1.9 KiB
Diff
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From 199cbd5f195adbc0e70ad218cdba82f45750f11b Mon Sep 17 00:00:00 2001
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From: Sebastian Reichel <sebastian.reichel@collabora.com>
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Date: Mon, 18 Sep 2023 16:14:50 +0200
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Subject: [PATCH] arm64: dts: rockchip: add PCIe for M.2 M-key to rock-5b
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The Radxa Rock 5B has PCIe 3x4 routed to its M.2 M-key connector
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on the board's back.
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Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Link: https://lore.kernel.org/r/20230918141451.131247-3-sebastian.reichel@collabora.com
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Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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---
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.../boot/dts/rockchip/rk3588-rock-5b.dts | 35 +++++++++++++++++++
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1 file changed, 35 insertions(+)
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--- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
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+++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
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@@ -52,6 +52,19 @@
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vin-supply = <&vcc_3v3_s3>;
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};
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+ vcc3v3_pcie30: vcc3v3-pcie30-regulator {
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+ compatible = "regulator-fixed";
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+ enable-active-high;
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+ gpios = <&gpio1 RK_PA4 GPIO_ACTIVE_HIGH>;
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&pcie3_vcc3v3_en>;
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+ regulator-name = "vcc3v3_pcie30";
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+ regulator-min-microvolt = <3300000>;
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+ regulator-max-microvolt = <3300000>;
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+ startup-delay-us = <5000>;
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+ vin-supply = <&vcc5v0_sys>;
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+ };
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+
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vcc5v0_host: vcc5v0-host-regulator {
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compatible = "regulator-fixed";
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regulator-name = "vcc5v0_host";
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@@ -224,6 +237,18 @@
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status = "okay";
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};
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+&pcie30phy {
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+ status = "okay";
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+};
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+
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+&pcie3x4 {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&pcie3_rst>;
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+ reset-gpios = <&gpio4 RK_PB6 GPIO_ACTIVE_HIGH>;
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+ vpcie3v3-supply = <&vcc3v3_pcie30>;
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+ status = "okay";
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+};
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+
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&pinctrl {
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hym8563 {
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hym8563_int: hym8563-int {
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@@ -243,6 +268,16 @@
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};
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};
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+ pcie3 {
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+ pcie3_rst: pcie3-rst {
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+ rockchip,pins = <4 RK_PB6 RK_FUNC_GPIO &pcfg_pull_none>;
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+ };
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+
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+ pcie3_vcc3v3_en: pcie3-vcc3v3-en {
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+ rockchip,pins = <1 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>;
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+ };
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+ };
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+
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usb {
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vcc5v0_host_en: vcc5v0-host-en {
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rockchip,pins = <4 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>;
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