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Tue, 10 Mar 2026 02:11:56 -0700 (PDT) Received: from homeserver.tail6d6c39.ts.net ([82.137.32.29]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-48541a6bb86sm56808345e9.1.2026.03.10.02.11.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Mar 2026 02:11:56 -0700 (PDT) From: Eduard Bostina To: daniel.baluta@nxp.com, simona.toaca@nxp.com, egbostina@gmail.com, Rob Herring , Krzysztof Kozlowski , Conor Dooley , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [RFC PATCH] arm64: dts: imx8mp-edm-g-wb: Use 0 for reserved bit Date: Tue, 10 Mar 2026 09:10:53 +0000 Message-ID: <20260310091054.2029912-1-egbostina@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The i.MX8MP Reference Manual documents bit 0 of the IOMUXC_SW_PAD_CTL_PAD registers as reserved. The hd3ss3220 IRQ pin (SAI1_RXD6/GPIO4_IO08) currently uses pad config value 0x41 which sets this reserved bit. Change 0x41 to 0x40 to leave the reserved bit cleared, as recommended by the reference manual. This also allows for easier conversion to symbolic macros. Signed-off-by: Eduard Bostina --- arch/arm64/boot/dts/freescale/imx8mp-edm-g-wb.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mp-edm-g-wb.dts b/arch/arm64= /boot/dts/freescale/imx8mp-edm-g-wb.dts index 242fa930b..a78401d11 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-edm-g-wb.dts +++ b/arch/arm64/boot/dts/freescale/imx8mp-edm-g-wb.dts @@ -345,7 +345,7 @@ MX8MP_IOMUXC_SAI1_TXD5__GPIO4_IO17 0x16 /* DSI_VDDEN */ =20 pinctrl_hd3ss3220_irq: hd3ss3220-irqgrp { fsl,pins =3D < - MX8MP_IOMUXC_SAI1_RXD6__GPIO4_IO08 0x41 /* GPIO_P253 */ + MX8MP_IOMUXC_SAI1_RXD6__GPIO4_IO08 0x40 /* GPIO_P253 */ >; }; =20 --=20 2.43.0