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[79.17.119.233]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-47fd41d1a58sm30370503f8f.7.2026.08.03.00.43.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 03 Aug 2026 00:43:06 -0700 (PDT) From: Dario Binacchi To: linux-kernel@vger.kernel.org Cc: domenico.acri@engicam.com, linux-amarula@amarulasolutions.com, michael@amarulasolutions.com, francesco.utel@engicam.com, Dario Binacchi , Alexandre Torgue , Conor Dooley , Krzysztof Kozlowski , Maxime Coquelin , Rob Herring , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com Subject: [RESEND PATCH v7 11/16] arm64: dts: st: add sdmmc2 pins for stm32mp25 Date: Mon, 3 Aug 2026 09:26:06 +0200 Message-ID: <20260803074224.3821911-12-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260803074224.3821911-1-dario.binacchi@amarulasolutions.com> References: <20260803074224.3821911-1-dario.binacchi@amarulasolutions.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260803_004309_019275_9B2A3B1D X-CRM114-Status: GOOD ( 11.04 ) 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 Add the sdmmc2 pins used on MicroGEA-STM32MP257-RMM board. Signed-off-by: Dario Binacchi --- (no changes since v5) Changes in v5: - Change SDMMC2_CK pin bias from pull-up to bias-disable to avoid signal integrity issues on the clock line. Suggested by Sashiko arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi | 80 +++++++++++++++++++ 1 file changed, 80 insertions(+) diff --git a/arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi b/arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi index 002fbc724b9d..c816a6aece47 100644 --- a/arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi +++ b/arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi @@ -622,6 +622,86 @@ pins { }; }; + /omit-if-no-ref/ + sdmmc2_b4_pins_a: sdmmc2-b4-0 { + pins1 { + pinmux = , /* SDMMC2_D0 */ + , /* SDMMC2_D1 */ + , /* SDMMC2_D2 */ + , /* SDMMC2_D3 */ + ; /* SDMMC2_CMD */ + slew-rate = <1>; + drive-push-pull; + bias-pull-up; + }; + pins2 { + pinmux = ; /* SDMMC2_CK */ + slew-rate = <2>; + drive-push-pull; + bias-disable; + }; + }; + + /omit-if-no-ref/ + sdmmc2_b4_od_pins_a: sdmmc2-b4-od-0 { + pins1 { + pinmux = , /* SDMMC2_D0 */ + , /* SDMMC2_D1 */ + , /* SDMMC2_D2 */ + ; /* SDMMC2_D3 */ + slew-rate = <1>; + drive-push-pull; + bias-pull-up; + }; + pins2 { + pinmux = ; /* SDMMC2_CK */ + slew-rate = <2>; + drive-push-pull; + bias-disable; + }; + pins3 { + pinmux = ; /* SDMMC2_CMD */ + slew-rate = <1>; + drive-open-drain; + bias-pull-up; + }; + }; + + /omit-if-no-ref/ + sdmmc2_b4_sleep_pins_a: sdmmc2-b4-sleep-0 { + pins { + pinmux = , /* SDMMC2_D0 */ + , /* SDMMC2_D1 */ + , /* SDMMC2_D2 */ + , /* SDMMC2_D3 */ + , /* SDMMC2_CK */ + ; /* SDMMC2_CMD */ + }; + }; + + /omit-if-no-ref/ + sdmmc2_d47_pins_a: sdmmc2-d47-0 { + pins { + pinmux = , /* SDMMC2_D4 */ + , /* SDMMC2_D5 */ + , /* SDMMC2_D6 */ + ; /* SDMMC2_D7 */ + slew-rate = <1>; + drive-push-pull; + bias-pull-up; + }; + }; + + /omit-if-no-ref/ + sdmmc2_d47_sleep_pins_a: sdmmc2-d47-sleep-0 { + pins { + pinmux = , /* SDMMC2_D4 */ + , /* SDMMC2_D5 */ + , /* SDMMC2_D6 */ + ; /* SDMMC2_D7 */ + }; + }; + /omit-if-no-ref/ spi3_pins_a: spi3-0 { pins1 { -- 2.43.0