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From 3c321ba794ca6383a4aa68ea803e18cc6ad44412 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Fri, 19 Feb 2021 06:50:26 +0100
Subject: [PATCH] arm64: dts: broadcom: bcm4908: describe USB PHY
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
BCM4908 uses slightly modified STB family USB PHY. It handles OHCI/EHCI
and XHCI. It requires powering up using the PMB.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
.../bcm4908/bcm4906-netgear-r8000p.dts | 17 +++++++++++++
.../bcm4908/bcm4908-asus-gt-ac5300.dts | 17 +++++++++++++
.../boot/dts/broadcom/bcm4908/bcm4908.dtsi | 25 ++++++++++++++++---
3 files changed, 55 insertions(+), 4 deletions(-)
--- a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4906-netgear-r8000p.dts
+++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4906-netgear-r8000p.dts
@@ -26,6 +26,23 @@
};
};
+&usb_phy {
+ brcm,ioc = <1>;
+ status = "okay";
+};
+
+&ehci {
+ status = "okay";
+};
+
+&ohci {
+ status = "okay";
+};
+
+&xhci {
+ status = "okay";
+};
+
&nandcs {
nand-ecc-strength = <4>;
nand-ecc-step-size = <512>;
--- a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908-asus-gt-ac5300.dts
+++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908-asus-gt-ac5300.dts
@@ -44,6 +44,23 @@
};
};
+&usb_phy {
+ brcm,ioc = <1>;
+ status = "okay";
+};
+
+&ehci {
+ status = "okay";
+};
+
+&ohci {
+ status = "okay";
+};
+
+&xhci {
+ status = "okay";
+};
+
&ports {
port@0 {
label = "lan2";
--- a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
+++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
@@ -2,6 +2,8 @@
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/phy/phy.h>
+#include <dt-bindings/soc/bcm-pmb.h>
/dts-v1/;
@@ -110,24 +112,39 @@
#size-cells = <1>;
ranges = <0x00 0x00 0x80000000 0x281000>;
- usb@c300 {
+ usb_phy: usb-phy@c200 {
+ compatible = "brcm,bcm4908-usb-phy";
+ reg = <0xc200 0x100>;
+ reg-names = "ctrl";
+ power-domains = <&pmb BCM_PMB_HOST_USB>;
+ dr_mode = "host";
+ brcm,has-xhci;
+ brcm,has-eohci;
+ #phy-cells = <1>;
+ status = "disabled";
+ };
+
+ ehci: usb@c300 {
compatible = "generic-ehci";
reg = <0xc300 0x100>;
interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
+ phys = <&usb_phy PHY_TYPE_USB2>;
status = "disabled";
};
- usb@c400 {
+ ohci: usb@c400 {
compatible = "generic-ohci";
reg = <0xc400 0x100>;
interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>;
+ phys = <&usb_phy PHY_TYPE_USB2>;
status = "disabled";
};
- usb@d000 {
+ xhci: usb@d000 {
compatible = "generic-xhci";
reg = <0xd000 0x8c8>;
interrupts = <GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH>;
+ phys = <&usb_phy PHY_TYPE_USB3>;
status = "disabled";
};
@@ -222,7 +239,7 @@
#address-cells = <1>;
#size-cells = <1>;
- power-controller@2800c0 {
+ pmb: power-controller@2800c0 {
compatible = "brcm,bcm4908-pmb";
reg = <0x2800c0 0x40>;
#power-domain-cells = <1>;
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