From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ludovic Barre Subject: [PATCH V2 4/5] ARM: dts: stm32: add sdmmc1 support for stm32h743i-eval Date: Wed, 28 Feb 2018 16:47:23 +0100 Message-ID: <1519832844-28068-5-git-send-email-ludovic.Barre@st.com> References: <1519832844-28068-1-git-send-email-ludovic.Barre@st.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1519832844-28068-1-git-send-email-ludovic.Barre@st.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Ulf Hansson , Rob Herring Cc: devicetree@vger.kernel.org, Alexandre Torgue , linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, Ludovic Barre , Maxime Coquelin , Gerald Baeza , linux-arm-kernel@lists.infradead.org List-Id: devicetree@vger.kernel.org From: Ludovic Barre This patch adds support of micro sd card connected to sdmmc1. Signed-off-by: Ludovic Barre --- arch/arm/boot/dts/stm32h743-pinctrl.dtsi | 26 ++++++++++++++++++++++++++ arch/arm/boot/dts/stm32h743i-eval.dts | 11 +++++++++++ 2 files changed, 37 insertions(+) diff --git a/arch/arm/boot/dts/stm32h743-pinctrl.dtsi b/arch/arm/boot/dts/stm32h743-pinctrl.dtsi index 65c1cd0..ef17192 100644 --- a/arch/arm/boot/dts/stm32h743-pinctrl.dtsi +++ b/arch/arm/boot/dts/stm32h743-pinctrl.dtsi @@ -164,6 +164,32 @@ bias-disable; }; }; + + sdmmc1_b4_pins_a: sdmmc1-b4@0 { + pins { + pinmux = , /* SDMMC1_D0 */ + , /* SDMMC1_D1 */ + , /* SDMMC1_D2 */ + , /* SDMMC1_D3 */ + , /* SDMMC1_CK */ + ; /* SDMMC1_CMD */ + slew-rate = <3>; + drive-push-pull; + bias-disable; + }; + }; + + sdmmc1_dir_pins_a: sdmmc1-dir@0 { + pins { + pinmux = , /* SDMMC1_D0DIR */ + , /* SDMMC1_D123DIR */ + , /* SDMMC1_CDIR */ + ; /* SDMMC1_CKIN */ + slew-rate = <3>; + drive-push-pull; + bias-pull-up; + }; + }; }; }; }; diff --git a/arch/arm/boot/dts/stm32h743i-eval.dts b/arch/arm/boot/dts/stm32h743i-eval.dts index c6ceda8..e1dbfaf 100644 --- a/arch/arm/boot/dts/stm32h743i-eval.dts +++ b/arch/arm/boot/dts/stm32h743i-eval.dts @@ -98,6 +98,17 @@ clock-frequency = <25000000>; }; +&sdmmc1 { + pinctrl-names = "default"; + pinctrl-0 = <&sdmmc1_b4_pins_a &sdmmc1_dir_pins_a>; + broken-cd; + st,dir-output-high; + st,neg-edge; + st,use-ckin; + bus-width = <4>; + status = "okay"; +}; + &usart1 { pinctrl-0 = <&usart1_pins>; pinctrl-names = "default"; -- 2.7.4