[PATCH 1/5] arm64: dts: broadcom: bcm4908: describe USB PHY

[Rafał Miłecki]

From: Rafał Miłecki <rafal at milecki.pl>

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 at milecki.pl>
---
 .../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(-)

diff --git a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4906-netgear-r8000p.dts b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4906-netgear-r8000p.dts
index ee3ed612274c..bf0d534ace2e 100644
--- 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 @@ wps {
 	};
 };
 
+&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>;
diff --git a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908-asus-gt-ac5300.dts b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908-asus-gt-ac5300.dts
index 6e4ad66ff536..bb06683d6acf 100644
--- 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 @@ brightness {
 	};
 };
 
+&usb_phy {
+	brcm,ioc = <1>;
+	status = "okay";
+};
+
+&ehci {
+	status = "okay";
+};
+
+&ohci {
+	status = "okay";
+};
+
+&xhci {
+	status = "okay";
+};
+
 &ports {
 	port at 0 {
 		label = "lan2";
diff --git a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
index 9354077f74cd..358958105337 100644
--- 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 @@ soc {
 		#size-cells = <1>;
 		ranges = <0x00 0x00 0x80000000 0x281000>;
 
-		usb at c300 {
+		usb_phy: usb-phy at c200 {
+			compatible = "brcm,bcm4908-usb-phy";
+			reg = <0xc200 0x100>;
+			reg-names = "crtl";
+			power-domains = <&pmb BCM_PMB_HOST_USB>;
+			dr_mode = "host";
+			brcm,has-xhci;
+			brcm,has-eohci;
+			#phy-cells = <1>;
+			status = "disabled";
+		};
+
+		ehci: usb at c300 {
 			compatible = "generic-ehci";
 			reg = <0xc300 0x100>;
 			interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
+			phys = <&usb_phy PHY_TYPE_USB2>;
 			status = "disabled";
 		};
 
-		usb at c400 {
+		ohci: usb at c400 {
 			compatible = "generic-ohci";
 			reg = <0xc400 0x100>;
 			interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>;
+			phys = <&usb_phy PHY_TYPE_USB2>;
 			status = "disabled";
 		};
 
-		usb at d000 {
+		xhci: usb at 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 @@ procmon: syscon at 280000 {
 			#address-cells = <1>;
 			#size-cells = <1>;
 
-			power-controller at 2800c0 {
+			pmb: power-controller at 2800c0 {
 				compatible = "brcm,bcm4908-pmb";
 				reg = <0x2800c0 0x40>;
 				#power-domain-cells = <1>;
-- 
2.26.2