linux-kernel - [PATCH v2 1/3] arm64: dts: ti: k3-am62p5-sk: Remove the unused config from USB1

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Message-ID: <20250901122835.3022850-2-a-kaur@ti.com>
Date: Mon, 1 Sep 2025 17:58:33 +0530
From: Akashdeep Kaur <a-kaur@...com>
To: <praneeth@...com>, <nm@...com>, <afd@...com>, <vigneshr@...com>,
        <d-gole@...com>, <kristo@...nel.org>, <robh@...nel.org>,
        <krzk+dt@...nel.org>, <conor+dt@...nel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC: <vishalm@...com>, <sebin.francis@...com>
Subject: [PATCH v2 1/3] arm64: dts: ti: k3-am62p5-sk: Remove the unused config from USB1_DRVVBUS

After the SoC has entered the DeepSleep low power mode, USB1 can be used
to wakeup the SoC based on USB events triggered by USB devices. This requires
that the pin corresponding to the Type-A connector remains pulled up even after
the SoC has entered the DeepSleep low power mode.
For that, either DeepSleep pullup can be selected or the pin can have the
same configuration that it had when SoC was in active mode.
In order for DeepSleep configuration to take effect, the DeepSleep
control bit has to be enabled.
Remove the DeepSleep state configuration from USB1_DRVBUS pin as it is
anyways not taking effect (DeepSleep control bit is not set).

This reverts commit 115290c112952db27009668aa7ae2f29920704f0.

Signed-off-by: Akashdeep Kaur <a-kaur@...com>
---
 arch/arm64/boot/dts/ti/k3-am62p5-sk.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts b/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts
index 899da7896563b..e8f0ac2c55e2f 100644
--- a/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts
@@ -360,7 +360,7 @@ AM62PX_IOPAD(0x01b0, PIN_OUTPUT, 2) /* (G20) MCASP0_ACLKR.UART1_TXD */

 	main_usb1_pins_default: main-usb1-default-pins {
 		pinctrl-single,pins = <
-			AM62PX_IOPAD(0x0258, PIN_INPUT | PIN_DS_PULLUD_ENABLE | PIN_DS_PULL_UP, 0) /* (G21) USB1_DRVVBUS */
+			AM62PX_IOPAD(0x0258, PIN_INPUT, 0) /* (G21) USB1_DRVVBUS */
 		>;
 	};

-- 
2.34.1