linux-kernel - [PATCH] arm64: dts: ti: k3-am62p-j722s-common-main: enable USB0 for DFU boot

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Message-ID: <20241220054550.153360-1-s-vadapalli@ti.com>
Date: Fri, 20 Dec 2024 11:15:16 +0530
From: Siddharth Vadapalli <s-vadapalli@...com>
To: <nm@...com>, <vigneshr@...com>, <kristo@...nel.org>, <robh@...nel.org>,
        <krzk+dt@...nel.org>, <conor+dt@...nel.org>, <rogerq@...nel.org>
CC: <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <srk@...com>,
        <s-vadapalli@...com>
Subject: [PATCH] arm64: dts: ti: k3-am62p-j722s-common-main: enable USB0 for DFU boot

Add the "bootph-all" property to the "usb0" device-tree node. This is
required for the USB0 instance of USB to be functional at all stages of
USB DFU boot.

Signed-off-by: Siddharth Vadapalli <s-vadapalli@...com>
---

Hello,

This patch is based on linux-next tagged next-20241219.

Enabling USB DFU Boot for AM62P5-SK requires the "bootph-all" property as
indicated at:
https://lore.kernel.org/r/20241218124542.3519447-5-s-vadapalli@ti.com/
This patch is being posted to have the "bootph-all" property present in
the Linux device-tree in order to have the same property in the U-Boot
device-tree in the future via DT sync.

Regards,
Siddharth.

 arch/arm64/boot/dts/ti/k3-am62p-j722s-common-main.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am62p-j722s-common-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62p-j722s-common-main.dtsi
index 41e1c24b1144..4516a95b7504 100644
--- a/arch/arm64/boot/dts/ti/k3-am62p-j722s-common-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62p-j722s-common-main.dtsi
@@ -651,6 +651,7 @@ usb0: usb@...00000 {
 			interrupt-names = "host", "peripheral";
 			maximum-speed = "high-speed";
 			dr_mode = "otg";
+			bootph-all;
 			snps,usb2-gadget-lpm-disable;
 			snps,usb2-lpm-disable;
 		};
-- 
2.43.0