From: Fabio Estevam <festevam@gmail.com>
To: shawnguo@kernel.org
Cc: Fabio Estevam <festevam@gmail.com>,
linux-imx@nxp.com, linux-arm-kernel@lists.infradead.org
Subject: [PATCH] arm64: dts: imx8mm-evk: Add flexspi support
Date: Fri, 21 Aug 2020 09:59:38 -0300 [thread overview]
Message-ID: <20200821125938.9195-1-festevam@gmail.com> (raw)
imx8mm-evk has a quad SPI-NOR flash on the flexspi bus.
Add support for it.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
---
arch/arm64/boot/dts/freescale/imx8mm-evk.dts | 31 ++++++++++++++++++++
1 file changed, 31 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
index 0f1d7f8aeac4..5e3e0edd7d44 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
@@ -12,6 +12,10 @@
model = "FSL i.MX8MM EVK board";
compatible = "fsl,imx8mm-evk", "fsl,imx8mm";
+ aliases {
+ spi0 = &flexspi;
+ };
+
chosen {
stdout-path = &uart2;
};
@@ -135,6 +139,22 @@
};
};
+&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";
@@ -421,6 +441,17 @@
>;
};
+ 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: pmicirq {
fsl,pins = <
MX8MM_IOMUXC_GPIO1_IO03_GPIO1_IO3 0x41
--
2.17.1
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next reply other threads:[~2020-08-21 13:04 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-21 12:59 Fabio Estevam [this message]
2020-08-30 1:40 ` [PATCH] arm64: dts: imx8mm-evk: Add flexspi support Shawn Guo
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