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Wed, 06 Nov 2019 11:09:42 +0100 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 6D45C10002A; Wed, 6 Nov 2019 11:09:42 +0100 (CET) Received: from Webmail-eu.st.com (Safex1hubcas23.st.com [10.75.90.46]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 60F392AD337; Wed, 6 Nov 2019 11:09:42 +0100 (CET) Received: from SAFEX1HUBCAS22.st.com (10.75.90.92) by SAFEX1HUBCAS23.st.com (10.75.90.46) with Microsoft SMTP Server (TLS) id 14.3.439.0; Wed, 6 Nov 2019 11:09:42 +0100 Received: from localhost (10.48.1.131) by Webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.439.0; Wed, 6 Nov 2019 11:09:41 +0100 From: Yann Gautier To: Subject: [PATCH 1/4] ARM: dts: stm32: update slew-rate properties for sdmmc1 on stm32mp157 Date: Wed, 6 Nov 2019 11:09:35 +0100 Message-ID: <20191106100938.11368-2-yann.gautier@st.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191106100938.11368-1-yann.gautier@st.com> References: <20191106100938.11368-1-yann.gautier@st.com> MIME-Version: 1.0 X-Originating-IP: [10.48.1.131] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.95,18.0.572 definitions=2019-11-06_02:2019-11-06,2019-11-06 signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191106_020951_568080_D0A0CC08 X-CRM114-Status: GOOD ( 13.72 ) X-Spam-Score: -0.9 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at https://www.dnswl.org/, low trust [62.209.51.94 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, devicetree@vger.kernel.org, Yann Gautier , linux-kernel@vger.kernel.org, robh+dt@kernel.org, Ludovic Barre , mcoquelin.stm32@gmail.com, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Relax sdmmc1 pins slew-rate to minimize peak currents. Signed-off-by: Ludovic Barre Signed-off-by: Yann Gautier --- arch/arm/boot/dts/stm32mp157-pinctrl.dtsi | 28 +++++++++++++++-------- 1 file changed, 19 insertions(+), 9 deletions(-) diff --git a/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi index 0a3a7d66737b..2904bc8c6a41 100644 --- a/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi +++ b/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi @@ -731,14 +731,19 @@ }; sdmmc1_b4_pins_a: sdmmc1-b4-0 { - pins { + pins1 { pinmux = , /* SDMMC1_D0 */ , /* SDMMC1_D1 */ , /* SDMMC1_D2 */ , /* SDMMC1_D3 */ - , /* SDMMC1_CK */ ; /* SDMMC1_CMD */ - slew-rate = <3>; + slew-rate = <1>; + drive-push-pull; + bias-disable; + }; + pins2 { + pinmux = ; /* SDMMC1_CK */ + slew-rate = <2>; drive-push-pull; bias-disable; }; @@ -749,15 +754,20 @@ pinmux = , /* SDMMC1_D0 */ , /* SDMMC1_D1 */ , /* SDMMC1_D2 */ - , /* SDMMC1_D3 */ - ; /* SDMMC1_CK */ - slew-rate = <3>; + ; /* SDMMC1_D3 */ + slew-rate = <1>; drive-push-pull; bias-disable; }; - pins2{ + pins2 { + pinmux = ; /* SDMMC1_CK */ + slew-rate = <2>; + drive-push-pull; + bias-disable; + }; + pins3 { pinmux = ; /* SDMMC1_CMD */ - slew-rate = <3>; + slew-rate = <1>; drive-open-drain; bias-disable; }; @@ -779,7 +789,7 @@ pinmux = , /* SDMMC1_D0DIR */ , /* SDMMC1_D123DIR */ ; /* SDMMC1_CDIR */ - slew-rate = <3>; + slew-rate = <1>; drive-push-pull; bias-pull-up; };