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[2.80.170.125]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-47d8719d057sm134047305e9.16.2026.01.12.09.54.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 12 Jan 2026 09:54:19 -0800 (PST) From: Vitor Soares To: Nishanth Menon , Vignesh Raghavendra , Tero Kristo , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Vitor Soares , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, ivitro@gmail.com Subject: [PATCH v1 0/2] arm64: dts: ti: k3-am69-aquila: fix SPI hardware CS issue Date: Mon, 12 Jan 2026 17:53:45 +0000 Message-ID: <20260112175350.79270-1-ivitro@gmail.com> X-Mailer: git-send-email 2.52.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260112_095425_641524_85BDFCBF X-CRM114-Status: UNSURE ( 9.15 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Vitor Soares 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. Vitor Soares (2): arm64: dts: ti: k3-am69-aquila: change main_spi0/2 CS to GPIO mode arm64: dts: ti: k3-am69-aquila-clover: change main_spi2 CS0 to GPIO mode arch/arm64/boot/dts/ti/k3-am69-aquila-clover.dts | 3 ++- arch/arm64/boot/dts/ti/k3-am69-aquila.dtsi | 6 ++++-- 2 files changed, 6 insertions(+), 3 deletions(-) -- 2.52.0