linux-kernel - [PATCH v2 1/2] ARM: dts: imx7-tqma7: add SPI-NOR flash

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Message-Id: <20201030102636.16476-1-matthias.schiffer@ew.tq-group.com>
Date:   Fri, 30 Oct 2020 11:26:35 +0100
From:   Matthias Schiffer <matthias.schiffer@...tq-group.com>
To:     Rob Herring <robh+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>
Cc:     Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        Matthias Schiffer <matthias.schiffer@...tq-group.com>
Subject: [PATCH v2 1/2] ARM: dts: imx7-tqma7: add SPI-NOR flash

The SPI-NOR flash on the SoM was missing from the device tree.

Signed-off-by: Matthias Schiffer <matthias.schiffer@...tq-group.com>
---
 arch/arm/boot/dts/imx7-tqma7.dtsi | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

v2: change node name to flash@0


diff --git a/arch/arm/boot/dts/imx7-tqma7.dtsi b/arch/arm/boot/dts/imx7-tqma7.dtsi
index 8773344b54aa..22f4194322ed 100644
--- a/arch/arm/boot/dts/imx7-tqma7.dtsi
+++ b/arch/arm/boot/dts/imx7-tqma7.dtsi
@@ -160,6 +160,20 @@
 		>;
 	};
 
+	pinctrl_qspi: qspigrp {
+		fsl,pins = <
+			MX7D_PAD_EPDC_DATA00__QSPI_A_DATA0	0x5A
+			MX7D_PAD_EPDC_DATA01__QSPI_A_DATA1	0x5A
+			MX7D_PAD_EPDC_DATA02__QSPI_A_DATA2	0x5A
+			MX7D_PAD_EPDC_DATA03__QSPI_A_DATA3	0x5A
+			MX7D_PAD_EPDC_DATA05__QSPI_A_SCLK	0x11
+			MX7D_PAD_EPDC_DATA06__QSPI_A_SS0_B	0x54
+			MX7D_PAD_EPDC_DATA07__QSPI_A_SS1_B	0x54
+			/* #QSPI_RESET */
+			MX7D_PAD_EPDC_DATA04__GPIO2_IO4		0x40000052
+		>;
+	};
+
 	pinctrl_usdhc3: usdhc3grp {
 		fsl,pins = <
 			MX7D_PAD_SD3_CMD__SD3_CMD		0x59
@@ -217,6 +231,22 @@
 	};
 };
 
+&qspi {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_qspi>;
+	status = "okay";
+
+	flash0: flash@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "jedec,spi-nor";
+		spi-max-frequency = <29000000>;
+		spi-rx-bus-width = <4>;
+		spi-tx-bus-width = <4>;
+		reg = <0>;
+	};
+};
+
 &sdma {
 	status = "okay";
 };
-- 
2.17.1