linux-kernel - [PATCH v4] arm64: dts: ti: k3-am625: Enable Type-C port for USB0

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Message-Id: <20230523123348.52850-1-rogerq@kernel.org>
Date:   Tue, 23 May 2023 15:33:48 +0300
From:   Roger Quadros <rogerq@...nel.org>
To:     nm@...com
Cc:     vigneshr@...com, r-gunasekaran@...com,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Roger Quadros <rogerq@...nel.org>
Subject: [PATCH v4] arm64: dts: ti: k3-am625: Enable Type-C port for USB0

USB0 is a Type-C port with dual data role and power sink.

Signed-off-by: Roger Quadros <rogerq@...nel.org>
---

Changelog:
v4:
- Rebase on v6.4-rc2
- Drop interrupt patch as it will break Type-C role switch on older boards.

v3:
- include Type-C support for am62-lp-sk
- split interrupts properties for Type-C chip into am625-sk

v2:
- rebase off [1]
- add fixes tag to patch 1

[1] - https://lore.kernel.org/all/20230321-am62-lp-sk-v2-0-0a56e1694804@ti.com/

 arch/arm64/boot/dts/ti/k3-am625-sk.dts        |  2 +-
 .../arm64/boot/dts/ti/k3-am62x-sk-common.dtsi | 35 ++++++++++++++++++-
 2 files changed, 35 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/ti/k3-am625-sk.dts b/arch/arm64/boot/dts/ti/k3-am625-sk.dts
index 2a1adda9bff6..729f95e19042 100644
--- a/arch/arm64/boot/dts/ti/k3-am625-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am625-sk.dts
@@ -161,7 +161,7 @@ exp1: gpio@22 {
 				   "UART1_FET_BUF_EN", "WL_LT_EN",
 				   "GPIO_HDMI_RSTn", "CSI_GPIO1",
 				   "CSI_GPIO2", "PRU_3V3_EN",
-				   "HDMI_INTn", "TEST_GPIO2",
+				   "HDMI_INTn", "PD_I2C_IRQ",
 				   "MCASP1_FET_EN", "MCASP1_BUF_BT_EN",
 				   "MCASP1_FET_SEL", "UART1_FET_SEL",
 				   "TSINT#", "IO_EXP_TEST_LED";
diff --git a/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi b/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi
index 976f8303c84f..b6667c0ff826 100644
--- a/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi
@@ -242,6 +242,30 @@ &main_i2c0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&main_i2c0_pins_default>;
 	clock-frequency = <400000>;
+
+	typec_pd0: tps6598x@3f {
+		compatible = "ti,tps6598x";
+		reg = <0x3f>;
+
+		connector {
+			compatible = "usb-c-connector";
+			label = "USB-C";
+			self-powered;
+			data-role = "dual";
+			power-role = "sink";
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				port@0 {
+					reg = <0>;
+					usb_con_hs: endpoint {
+						remote-endpoint = <&usb0_hs_ep>;
+					};
+				};
+			};
+		};
+	};
 };
 
 &main_i2c1 {
@@ -321,7 +345,16 @@ &usbss1 {
 };
 
 &usb0 {
-	dr_mode = "peripheral";
+	#address-cells = <1>;
+	#size-cells = <0>;
+	usb-role-switch;
+
+	port@0 {
+		reg = <0>;
+		usb0_hs_ep: endpoint {
+		    remote-endpoint = <&usb_con_hs>;
+	       };
+	};
 };
 
 &usb1 {
-- 
2.34.1