From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Marco Felsch Subject: [PATCH 03/17] ARCH: arm: dts: imx6qdl-kontron-samx6i: add SMARC SPI0 interface Date: Thu, 9 May 2019 17:58:20 +0200 Message-Id: <20190509155834.22838-4-m.felsch@pengutronix.de> In-Reply-To: <20190509155834.22838-1-m.felsch@pengutronix.de> References: <20190509155834.22838-1-m.felsch@pengutronix.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit To: robh+dt@kernel.org, shawnguo@kernel.org, linux-imx@nxp.com Cc: Stefan.Nickl@kontron.com, Gilles.Buloz@kontron.com, Michael.Brunner@kontron.com, thomas.schaefer@kontron.com, frieder.schrempf@kontron.de, kernel@pengutronix.de, devicetree@vger.kernel.org, Michael Grzeschik List-ID: From: Michael Grzeschik Add support according the SMARC Spec 1.1 [1] and provided schematics. Due to the lack of hardware the interface can't be tested right now. [1] https://sget.org/standards/smarc Signed-off-by: Michael Grzeschik Signed-off-by: Marco Felsch --- arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi | 21 +++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi b/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi index e546d46365f5..a92f6e31fd71 100644 --- a/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi +++ b/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi @@ -113,6 +113,14 @@ pinctrl-0 = <&pinctrl_flexcan2>; }; +/* SPI0 */ +&ecspi4 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_ecspi4>; + cs-gpios = <&gpio3 24 GPIO_ACTIVE_HIGH>, + <&gpio3 29 GPIO_ACTIVE_HIGH>; +}; + /* GBE */ &fec { pinctrl-names = "default"; @@ -244,6 +252,19 @@ }; &iomuxc { + pinctrl_ecspi4: ecspi4grp { + fsl,pins = < + MX6QDL_PAD_EIM_D21__ECSPI4_SCLK 0x100b1 + MX6QDL_PAD_EIM_D28__ECSPI4_MOSI 0x100b1 + MX6QDL_PAD_EIM_D22__ECSPI4_MISO 0x100b1 + + /* SPI_IMX_CS2# - connected to internal flash */ + MX6QDL_PAD_EIM_D24__GPIO3_IO24 0x1b0b0 + /* SPI_IMX_CS0# - connected to SMARC SPI0_CS0# */ + MX6QDL_PAD_EIM_D29__GPIO3_IO29 0x1b0b0 + >; + }; + pinctrl_flexcan1: flexcan1grp { fsl,pins = < MX6QDL_PAD_GPIO_7__FLEXCAN1_TX 0x1b0b0 -- 2.20.1