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[61.220.246.151]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-29247218eafsm12167715ad.101.2025.10.17.21.35.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Oct 2025 21:35:20 -0700 (PDT) From: Cosmo Chou To: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, joel@jms.id.au, andrew@codeconstruct.com.au Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org, cosmo.chou@quantatw.com, Cosmo Chou Subject: [PATCH v2] ARM: dts: aspeed: bletchley: remove WDTRST1 assertion from wdt1 Date: Sat, 18 Oct 2025 12:33:09 +0800 Message-ID: <20251018043310.1056032-1-chou.cosmo@gmail.com> X-Mailer: git-send-email 2.43.0 X-Mailing-List: linux-aspeed@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Remove the external signal configuration from wdt1 to prevent the WDTRST1 pin from being asserted during watchdog resets. The WDTRST1 pin was originally configured to reset the TPM during watchdog events. However, the pin is incorrectly routed to SRST# on the hardware, causing unintended system resets. Since the TPM is not currently utilized on this platform, remove the external signal configuration to avoid the incorrect reset behavior. Signed-off-by: Cosmo Chou --- arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-bletchley.dts | 6 ------ 1 file changed, 6 deletions(-) diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-bletchley.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-bletchley.dts index 24969c82d05e..abdb1562115a 100644 --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-bletchley.dts +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-bletchley.dts @@ -1080,11 +1080,5 @@ pinctrl_gpiov2_unbiased_default: gpiov2 { &wdt1 { status = "okay"; - pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_wdtrst1_default>; aspeed,reset-type = "soc"; - aspeed,external-signal; - aspeed,ext-push-pull; - aspeed,ext-active-high; - aspeed,ext-pulse-duration = <256>; }; -- 2.43.0