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https://github.com/home-assistant/operating-system.git
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128 lines
3.5 KiB
Diff
128 lines
3.5 KiB
Diff
From 874e651872c2b9e2a2a7f5e139197b9c8c96240b Mon Sep 17 00:00:00 2001
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Message-Id: <874e651872c2b9e2a2a7f5e139197b9c8c96240b.1611839042.git.stefan@agner.ch>
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In-Reply-To: <625000fe2a9c1f78099895bf14c2f9753e359fba.1611839042.git.stefan@agner.ch>
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References: <625000fe2a9c1f78099895bf14c2f9753e359fba.1611839042.git.stefan@agner.ch>
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From: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
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Date: Mon, 29 Jun 2020 18:18:40 +0200
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Subject: [PATCH 6/7] ARM: dts: bcm2711: Add reset controller to xHCI node
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The chip is hardwired to the board's PCIe bus and needs to be properly
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setup trough a firmware routine after a PCI fundamental reset. Pass the
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reset controller phandle that takes care of triggering the
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initialization to the relevant PCI device.
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Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
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Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
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Link: https://lore.kernel.org/r/20200629161845.6021-5-nsaenzjulienne@suse.de
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Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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(cherry picked from commit 258f92d2f840b6ea62c0b33f04eb4d9270935bba)
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---
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arch/arm/boot/dts/bcm2711-rpi-4-b.dts | 17 +++++++++++++++++
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arch/arm/boot/dts/bcm2711-rpi-400.dts | 17 +++++++++++++++++
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arch/arm/boot/dts/bcm2711-rpi-cm4.dts | 12 ++++++++++++
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3 files changed, 46 insertions(+)
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diff --git a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
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index 37f14d7fd4f0..1139d60a643d 100644
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--- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
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+++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
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@@ -3,6 +3,8 @@
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#include "bcm2711.dtsi"
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#include "bcm2835-rpi.dtsi"
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+#include <dt-bindings/reset/raspberrypi,firmware-reset.h>
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+
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/ {
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compatible = "raspberrypi,4-model-b", "brcm,bcm2711";
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model = "Raspberry Pi 4 Model B";
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@@ -195,6 +197,21 @@
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};
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};
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+&pcie0 {
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+ pci@1,0 {
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+ #address-cells = <3>;
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+ #size-cells = <2>;
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+ ranges;
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+
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+ reg = <0 0 0 0 0>;
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+
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+ usb@1,0 {
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+ reg = <0x10000 0 0 0 0>;
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+ resets = <&reset RASPBERRYPI_FIRMWARE_RESET_ID_USB>;
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+ };
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+ };
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+};
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+
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/* uart0 communicates with the BT module */
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&uart0 {
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pinctrl-names = "default";
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diff --git a/arch/arm/boot/dts/bcm2711-rpi-400.dts b/arch/arm/boot/dts/bcm2711-rpi-400.dts
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index a4f4e619d83c..264f0226f1b0 100644
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--- a/arch/arm/boot/dts/bcm2711-rpi-400.dts
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+++ b/arch/arm/boot/dts/bcm2711-rpi-400.dts
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@@ -3,6 +3,8 @@
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#include "bcm2711.dtsi"
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#include "bcm2835-rpi.dtsi"
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+#include <dt-bindings/reset/raspberrypi,firmware-reset.h>
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+
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/ {
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compatible = "raspberrypi,400", "brcm,bcm2711";
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model = "Raspberry Pi 400";
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@@ -195,6 +197,21 @@
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};
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};
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+&pcie0 {
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+ pci@1,0 {
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+ #address-cells = <3>;
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+ #size-cells = <2>;
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+ ranges;
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+
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+ reg = <0 0 0 0 0>;
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+
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+ usb@1,0 {
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+ reg = <0x10000 0 0 0 0>;
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+ resets = <&reset RASPBERRYPI_FIRMWARE_RESET_ID_USB>;
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+ };
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+ };
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+};
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+
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/* uart0 communicates with the BT module */
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&uart0 {
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pinctrl-names = "default";
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diff --git a/arch/arm/boot/dts/bcm2711-rpi-cm4.dts b/arch/arm/boot/dts/bcm2711-rpi-cm4.dts
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index aa346b063b2a..4c0f6b320656 100644
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--- a/arch/arm/boot/dts/bcm2711-rpi-cm4.dts
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+++ b/arch/arm/boot/dts/bcm2711-rpi-cm4.dts
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@@ -3,6 +3,8 @@
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#include "bcm2711.dtsi"
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#include "bcm2835-rpi.dtsi"
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+#include <dt-bindings/reset/raspberrypi,firmware-reset.h>
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+
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/ {
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compatible = "raspberrypi,4-compute-module", "brcm,bcm2711";
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model = "Raspberry Pi Compute Module 4";
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@@ -134,6 +136,16 @@
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};
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};
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+&pcie0 {
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+ pci@1,0 {
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+ #address-cells = <3>;
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+ #size-cells = <2>;
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+ ranges;
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+
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+ reg = <0 0 0 0 0>;
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+ };
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+};
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+
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/* uart0 communicates with the BT module */
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&uart0 {
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pinctrl-names = "default";
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--
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2.30.0
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