From: Adam Ford <aford173@gmail.com>
To: linux-arm-kernel@lists.infradead.org
Cc: aford@beaconembedded.com, Adam Ford <aford173@gmail.com>,
Rob Herring <robh+dt@kernel.org>, Shawn Guo <shawnguo@kernel.org>,
Sascha Hauer <s.hauer@pengutronix.de>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Fabio Estevam <festevam@gmail.com>,
NXP Linux Team <linux-imx@nxp.com>,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] arm64: dts: imx8mm-beacon-som: Add QSPI NOR flash support
Date: Wed, 7 Oct 2020 09:24:08 -0500 [thread overview]
Message-ID: <20201007142409.235234-1-aford173@gmail.com> (raw)
imx8mm-beacon-som has a Quad-SPI NOR flash connected to the FlexSPI bus.
This patch enables the FlexSPI bus and configures it to work with the
flash part.
Signed-off-by: Adam Ford <aford173@gmail.com>
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi
index 397cf8b2f29b..b65059f715cd 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi
@@ -75,6 +75,22 @@ ethphy0: ethernet-phy@0 {
};
};
+&flexspi {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_flexspi>;
+ status = "okay";
+
+ flash@0 {
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "jedec,spi-nor";
+ spi-max-frequency = <80000000>;
+ spi-tx-bus-width = <4>;
+ spi-rx-bus-width = <4>;
+ };
+};
+
&i2c1 {
clock-frequency = <400000>;
pinctrl-names = "default";
@@ -304,6 +320,17 @@ MX8MM_IOMUXC_I2C3_SDA_I2C3_SDA 0x400001c3
>;
};
+ pinctrl_flexspi: flexspigrp {
+ fsl,pins = <
+ MX8MM_IOMUXC_NAND_ALE_QSPI_A_SCLK 0x1c2
+ MX8MM_IOMUXC_NAND_CE0_B_QSPI_A_SS0_B 0x82
+ MX8MM_IOMUXC_NAND_DATA00_QSPI_A_DATA0 0x82
+ MX8MM_IOMUXC_NAND_DATA01_QSPI_A_DATA1 0x82
+ MX8MM_IOMUXC_NAND_DATA02_QSPI_A_DATA2 0x82
+ MX8MM_IOMUXC_NAND_DATA03_QSPI_A_DATA3 0x82
+ >;
+ };
+
pinctrl_pmic: pmicirqgrp {
fsl,pins = <
MX8MM_IOMUXC_GPIO1_IO03_GPIO1_IO3 0x141
--
2.25.1
next reply other threads:[~2020-10-07 14:24 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-07 14:24 Adam Ford [this message]
2020-10-30 8:01 ` [PATCH] arm64: dts: imx8mm-beacon-som: Add QSPI NOR flash support Shawn Guo
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