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Message-Id: <20250821-atcphy-6-17-v1-22-172beda182b8@kernel.org>
Date: Thu, 21 Aug 2025 15:39:14 +0000
From: Sven Peter <sven@...nel.org>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>, Felipe Balbi <balbi@...nel.org>,
Janne Grunau <j@...nau.net>, Alyssa Rosenzweig <alyssa@...enzweig.io>,
Neal Gompa <neal@...pa.dev>, Vinod Koul <vkoul@...nel.org>,
Kishon Vijay Abraham I <kishon@...nel.org>,
Thinh Nguyen <Thinh.Nguyen@...opsys.com>,
Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
Philipp Zabel <p.zabel@...gutronix.de>
Cc: linux-usb@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, asahi@...ts.linux.dev,
linux-arm-kernel@...ts.infradead.org, linux-phy@...ts.infradead.org,
Sven Peter <sven@...nel.org>, Hector Martin <marcan@...can.st>
Subject: [PATCH RFC 22/22] arm64: dts: apple: t8103: Add Apple Type-C PHY
and dwc3 nodes
Add all nodes and connections required to make USB3 work on M1-based
Apple machines.
Co-developed-by: Hector Martin <marcan@...can.st>
Signed-off-by: Hector Martin <marcan@...can.st>
Signed-off-by: Sven Peter <sven@...nel.org>
---
arch/arm64/boot/dts/apple/t8103-j274.dts | 12 +++
arch/arm64/boot/dts/apple/t8103-j293.dts | 12 +++
arch/arm64/boot/dts/apple/t8103-j313.dts | 12 +++
arch/arm64/boot/dts/apple/t8103-j456.dts | 12 +++
arch/arm64/boot/dts/apple/t8103-j457.dts | 12 +++
arch/arm64/boot/dts/apple/t8103-jxxx.dtsi | 137 ++++++++++++++++++++++++++++++
arch/arm64/boot/dts/apple/t8103.dtsi | 105 +++++++++++++++++++++++
7 files changed, 302 insertions(+)
diff --git a/arch/arm64/boot/dts/apple/t8103-j274.dts b/arch/arm64/boot/dts/apple/t8103-j274.dts
index 1c3e37f86d46d7b5d733717b47c4b57dc55e1201..968fe22163d4431fe5e7049854687e61e0ec50f1 100644
--- a/arch/arm64/boot/dts/apple/t8103-j274.dts
+++ b/arch/arm64/boot/dts/apple/t8103-j274.dts
@@ -29,6 +29,18 @@ &wifi0 {
brcm,board-type = "apple,atlantisb";
};
+/*
+ * Provide labels for the USB type C ports.
+ */
+
+&typec0 {
+ label = "USB-C Back-left";
+};
+
+&typec1 {
+ label = "USB-C Back-right";
+};
+
/*
* Force the bus number assignments so that we can declare some of the
* on-board devices and properties that are populated by the bootloader
diff --git a/arch/arm64/boot/dts/apple/t8103-j293.dts b/arch/arm64/boot/dts/apple/t8103-j293.dts
index 5b3c42e9f0e6776241bf746d3458766e44e3639a..678f89c3d47fbf2d0705b46bb8feba3fa018ca7a 100644
--- a/arch/arm64/boot/dts/apple/t8103-j293.dts
+++ b/arch/arm64/boot/dts/apple/t8103-j293.dts
@@ -46,6 +46,18 @@ &wifi0 {
brcm,board-type = "apple,honshu";
};
+/*
+ * Provide labels for the USB type C ports.
+ */
+
+&typec0 {
+ label = "USB-C Left-back";
+};
+
+&typec1 {
+ label = "USB-C Left-front";
+};
+
&i2c2 {
status = "okay";
};
diff --git a/arch/arm64/boot/dts/apple/t8103-j313.dts b/arch/arm64/boot/dts/apple/t8103-j313.dts
index 97a4344d8dca685708aff136af92a1b316f3c3dd..bce9b911009e2b0caa9d8b2222cd1e8c3215f3b9 100644
--- a/arch/arm64/boot/dts/apple/t8103-j313.dts
+++ b/arch/arm64/boot/dts/apple/t8103-j313.dts
@@ -41,3 +41,15 @@ &wifi0 {
&fpwm1 {
status = "okay";
};
+
+/*
+ * Provide labels for the USB type C ports.
+ */
+
+&typec0 {
+ label = "USB-C Left-back";
+};
+
+&typec1 {
+ label = "USB-C Left-front";
+};
diff --git a/arch/arm64/boot/dts/apple/t8103-j456.dts b/arch/arm64/boot/dts/apple/t8103-j456.dts
index 58c8e43789b4861544e20c717124ede3327be010..9983e11cacdf19d0a92ede108ceac21b7a02d5da 100644
--- a/arch/arm64/boot/dts/apple/t8103-j456.dts
+++ b/arch/arm64/boot/dts/apple/t8103-j456.dts
@@ -47,6 +47,18 @@ hpm3: usb-pd@3c {
};
};
+/*
+ * Provide labels for the USB type C ports.
+ */
+
+&typec0 {
+ label = "USB-C Back-right";
+};
+
+&typec1 {
+ label = "USB-C Back-right-middle";
+};
+
/*
* Force the bus number assignments so that we can declare some of the
* on-board devices and properties that are populated by the bootloader
diff --git a/arch/arm64/boot/dts/apple/t8103-j457.dts b/arch/arm64/boot/dts/apple/t8103-j457.dts
index 152f95fd49a2118093396838fbd8b6bd1b518f81..a622ff607d407519000d1526b7244419a59644a3 100644
--- a/arch/arm64/boot/dts/apple/t8103-j457.dts
+++ b/arch/arm64/boot/dts/apple/t8103-j457.dts
@@ -29,6 +29,18 @@ &wifi0 {
brcm,board-type = "apple,santorini";
};
+/*
+ * Provide labels for the USB type C ports.
+ */
+
+&typec0 {
+ label = "USB-C Back-right";
+};
+
+&typec1 {
+ label = "USB-C Back-left";
+};
+
/*
* Force the bus number assignments so that we can declare some of the
* on-board devices and properties that are populated by the bootloader
diff --git a/arch/arm64/boot/dts/apple/t8103-jxxx.dtsi b/arch/arm64/boot/dts/apple/t8103-jxxx.dtsi
index 0c8206156bfefda8a32c869787b2e0c8e67a9d17..758b2196954bc139c201d25298444f59c7832ea5 100644
--- a/arch/arm64/boot/dts/apple/t8103-jxxx.dtsi
+++ b/arch/arm64/boot/dts/apple/t8103-jxxx.dtsi
@@ -15,6 +15,8 @@ aliases {
serial0 = &serial0;
serial2 = &serial2;
wifi0 = &wifi0;
+ atcphy0 = &atcphy0;
+ atcphy1 = &atcphy1;
};
chosen {
@@ -53,6 +55,30 @@ hpm0: usb-pd@38 {
interrupt-parent = <&pinctrl_ap>;
interrupts = <106 IRQ_TYPE_LEVEL_LOW>;
interrupt-names = "irq";
+
+ typec0: connector {
+ compatible = "usb-c-connector";
+ power-role = "dual";
+ data-role = "dual";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ typec0_connector_hs: endpoint {
+ remote-endpoint = <&dwc3_0_hs>;
+ };
+ };
+ port@1 {
+ reg = <1>;
+ typec0_connector_ss: endpoint {
+ remote-endpoint = <&atcphy0_typec_lanes>;
+ };
+ };
+ };
+ };
};
hpm1: usb-pd@3f {
@@ -61,6 +87,117 @@ hpm1: usb-pd@3f {
interrupt-parent = <&pinctrl_ap>;
interrupts = <106 IRQ_TYPE_LEVEL_LOW>;
interrupt-names = "irq";
+
+ typec1: connector {
+ compatible = "usb-c-connector";
+ power-role = "dual";
+ data-role = "dual";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ typec1_connector_hs: endpoint {
+ remote-endpoint = <&dwc3_1_hs>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+ typec1_connector_ss: endpoint {
+ remote-endpoint = <&atcphy1_typec_lanes>;
+ };
+ };
+ };
+ };
+ };
+};
+
+/* USB controllers */
+&dwc3_0 {
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ dwc3_0_hs: endpoint {
+ remote-endpoint = <&typec0_connector_hs>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+ dwc3_0_ss: endpoint {
+ remote-endpoint = <&atcphy0_usb3>;
+ };
+ };
+ };
+};
+
+&dwc3_1 {
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ dwc3_1_hs: endpoint {
+ remote-endpoint = <&typec1_connector_hs>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+ dwc3_1_ss: endpoint {
+ remote-endpoint = <&atcphy1_usb3>;
+ };
+ };
+ };
+};
+
+/* Type-C PHYs */
+&atcphy0 {
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ atcphy0_typec_lanes: endpoint {
+ remote-endpoint = <&typec0_connector_ss>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+ atcphy0_usb3: endpoint {
+ remote-endpoint = <&dwc3_0_ss>;
+ };
+ };
+ };
+};
+
+&atcphy1 {
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ atcphy1_typec_lanes: endpoint {
+ remote-endpoint = <&typec1_connector_ss>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+ atcphy1_usb3: endpoint {
+ remote-endpoint = <&dwc3_1_ss>;
+ };
+ };
};
};
diff --git a/arch/arm64/boot/dts/apple/t8103.dtsi b/arch/arm64/boot/dts/apple/t8103.dtsi
index 589ddc0397995ecf6fc11b135164229ab1ee7cf8..659a73fafccb04c1b944f6b7afeb0e372d4bb748 100644
--- a/arch/arm64/boot/dts/apple/t8103.dtsi
+++ b/arch/arm64/boot/dts/apple/t8103.dtsi
@@ -10,6 +10,7 @@
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/apple-aic.h>
#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/phy/phy.h>
#include <dt-bindings/pinctrl/apple.h>
#include <dt-bindings/spmi/spmi.h>
@@ -972,6 +973,110 @@ nvme@...cc0000 {
resets = <&ps_ans2>;
};
+ dwc3_0: usb@...280000 {
+ compatible = "apple,t8103-dwc3", "snps,dwc3";
+ reg = <0x3 0x82280000 0x0 0x100000>;
+ interrupt-parent = <&aic>;
+ interrupts = <AIC_IRQ 777 IRQ_TYPE_LEVEL_HIGH>;
+ dr_mode = "otg";
+ usb-role-switch;
+ role-switch-default-mode = "host";
+ iommus = <&dwc3_0_dart_0 0>, <&dwc3_0_dart_1 1>;
+ power-domains = <&ps_atc0_usb>;
+ resets = <&atcphy0>;
+ phys = <&atcphy0 PHY_TYPE_USB2>, <&atcphy0 PHY_TYPE_USB3>;
+ phy-names = "usb2-phy", "usb3-phy";
+ };
+
+ dwc3_0_dart_0: iommu@...f00000 {
+ compatible = "apple,t8103-dart";
+ reg = <0x3 0x82f00000 0x0 0x4000>;
+ interrupt-parent = <&aic>;
+ interrupts = <AIC_IRQ 781 IRQ_TYPE_LEVEL_HIGH>;
+ #iommu-cells = <1>;
+ power-domains = <&ps_atc0_usb>;
+ };
+
+ dwc3_0_dart_1: iommu@...f80000 {
+ compatible = "apple,t8103-dart";
+ reg = <0x3 0x82f80000 0x0 0x4000>;
+ interrupt-parent = <&aic>;
+ interrupts = <AIC_IRQ 781 IRQ_TYPE_LEVEL_HIGH>;
+ #iommu-cells = <1>;
+ power-domains = <&ps_atc0_usb>;
+ };
+
+ atcphy0: phy@...000000 {
+ compatible = "apple,t8103-atcphy";
+ reg = <0x3 0x83000000 0x0 0x4c000>,
+ <0x3 0x83050000 0x0 0x8000>,
+ <0x3 0x80000000 0x0 0x4000>,
+ <0x3 0x82a90000 0x0 0x4000>,
+ <0x3 0x82a84000 0x0 0x4000>;
+ reg-names = "core", "lpdptx", "axi2af", "usb2phy",
+ "pipehandler";
+
+ #phy-cells = <1>;
+ #reset-cells = <0>;
+
+ orientation-switch;
+ mode-switch;
+ power-domains = <&ps_atc0_usb>;
+ //power-domains = <&ps_atc0_usb_aon>, <&ps_atc0_common>;
+ };
+
+ dwc3_1: usb@...280000 {
+ compatible = "apple,t8103-dwc3", "snps,dwc3";
+ reg = <0x5 0x02280000 0x0 0x100000>;
+ interrupt-parent = <&aic>;
+ interrupts = <AIC_IRQ 857 IRQ_TYPE_LEVEL_HIGH>;
+ dr_mode = "otg";
+ usb-role-switch;
+ role-switch-default-mode = "host";
+ iommus = <&dwc3_1_dart_0 0>, <&dwc3_1_dart_1 1>;
+ power-domains = <&ps_atc1_usb>;
+ resets = <&atcphy1>;
+ phys = <&atcphy1 PHY_TYPE_USB2>, <&atcphy1 PHY_TYPE_USB3>;
+ phy-names = "usb2-phy", "usb3-phy";
+ };
+
+ dwc3_1_dart_0: iommu@...f00000 {
+ compatible = "apple,t8103-dart";
+ reg = <0x5 0x02f00000 0x0 0x4000>;
+ interrupt-parent = <&aic>;
+ interrupts = <AIC_IRQ 861 IRQ_TYPE_LEVEL_HIGH>;
+ #iommu-cells = <1>;
+ power-domains = <&ps_atc1_usb>;
+ };
+
+ dwc3_1_dart_1: iommu@...f80000 {
+ compatible = "apple,t8103-dart";
+ reg = <0x5 0x02f80000 0x0 0x4000>;
+ interrupt-parent = <&aic>;
+ interrupts = <AIC_IRQ 861 IRQ_TYPE_LEVEL_HIGH>;
+ #iommu-cells = <1>;
+ power-domains = <&ps_atc1_usb>;
+ };
+
+ atcphy1: phy@...000000 {
+ compatible = "apple,t8103-atcphy";
+ reg = <0x5 0x03000000 0x0 0x4c000>,
+ <0x5 0x03050000 0x0 0x8000>,
+ <0x5 0x0 0x0 0x4000>,
+ <0x5 0x02a90000 0x0 0x4000>,
+ <0x5 0x02a84000 0x0 0x4000>;
+ reg-names = "core", "lpdptx", "axi2af", "usb2phy",
+ "pipehandler";
+
+ #phy-cells = <1>;
+ #reset-cells = <0>;
+
+ orientation-switch;
+ mode-switch;
+ power-domains = <&ps_atc1_usb>;
+ //power-domains = <&ps_atc1_usb_aon>, <&ps_atc1_common>;
+ };
+
pcie0_dart_0: iommu@...008000 {
compatible = "apple,t8103-dart";
reg = <0x6 0x81008000 0x0 0x4000>;
--
2.34.1
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