linux-kernel - Re: [PATCH v1 0/2] arm64: dts: ti: k3-am69-aquila: fix SPI hardware CS issue

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Message-ID: <20260113063531.GA4635@francesco-nb>
Date: Tue, 13 Jan 2026 07:35:31 +0100
From: Francesco Dolcini <francesco@...cini.it>
To: Vitor Soares <ivitro@...il.com>
Cc: Nishanth Menon <nm@...com>, Vignesh Raghavendra <vigneshr@...com>,
	Tero Kristo <kristo@...nel.org>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Vitor Soares <vitor.soares@...adex.com>,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 0/2] arm64: dts: ti: k3-am69-aquila: fix SPI hardware
 CS issue

On Mon, Jan 12, 2026 at 05:53:45PM +0000, Vitor Soares wrote:
> From: Vitor Soares <vitor.soares@...adex.com>
> 
> Hardware chip select does not work correctly on main_spi0 and main_spi2
> controllers on the Aquila AM69 module. Testing revealed main_spi2 loses
> CS state during runtime PM suspend, while main_spi0 cannot drive CS HIGH
> when bus is idle. This series switches both controllers to use GPIO-based
> chip select instead.

Reviewed-by: Francesco Dolcini <francesco.dolcini@...adex.com>