linux-kernel - [PATCH 3/3] arm64: dts: imx93-11x11-evk: add overlays for flexspi flash

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Message-Id: <20240920-spi-v1-3-97f220c2e10c@nxp.com>
Date: Fri, 20 Sep 2024 16:54:08 +0800
From: "Peng Fan (OSS)" <peng.fan@....nxp.com>
To: Tudor Ambarus <tudor.ambarus@...aro.org>, 
 Pratyush Yadav <pratyush@...nel.org>, Michael Walle <mwalle@...nel.org>, 
 Miquel Raynal <miquel.raynal@...tlin.com>, 
 Richard Weinberger <richard@....at>, Vignesh Raghavendra <vigneshr@...com>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>, 
 Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>
Cc: linux-mtd@...ts.infradead.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, imx@...ts.linux.dev, 
 linux-arm-kernel@...ts.infradead.org, Peng Fan <peng.fan@....com>
Subject: [PATCH 3/3] arm64: dts: imx93-11x11-evk: add overlays for flexspi
 flash

From: Peng Fan <peng.fan@....com>

Add overlays for the flexspi flash connected using M.2 interface.
The M.2 interface could be connected with M.2 flash card.
The M.2 interface needs PCIE power to work properly, the flash card
needs 1.8V voltage to work properly.

Signed-off-by: Peng Fan <peng.fan@....com>
---
 arch/arm64/boot/dts/freescale/Makefile             |  3 ++
 .../dts/freescale/imx93-11x11-evk-flexspi-m2.dtso  | 59 ++++++++++++++++++++++
 arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts  | 10 ++++
 3 files changed, 72 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index 9d3df8b218a2..8f82aae85fe0 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -241,6 +241,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8qxp-tqma8xqp-mba8xx.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8ulp-evk.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx93-9x9-qsb.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx93-11x11-evk.dtb
+dtb-$(CONFIG_ARCH_MXC) += imx93-11x11-evk-flexspi-m2.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx93-14x14-evk.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx93-kontron-bl-osm-s.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx93-phyboard-segin.dtb
@@ -249,6 +250,8 @@ dtb-$(CONFIG_ARCH_MXC) += imx93-tqma9352-mba93xxla.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx93-var-som-symphony.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx95-19x19-evk.dtb
 
+imx93-11x11-evk-flexspi-m2-dtbs	:= imx93-11x11-evk.dtb imx93-11x11-evk-flexspi-m2.dtbo
+
 imx8mm-venice-gw72xx-0x-imx219-dtbs	:= imx8mm-venice-gw72xx-0x.dtb imx8mm-venice-gw72xx-0x-imx219.dtbo
 imx8mm-venice-gw72xx-0x-rpidsi-dtbs	:= imx8mm-venice-gw72xx-0x.dtb imx8mm-venice-gw72xx-0x-rpidsi.dtbo
 imx8mm-venice-gw72xx-0x-rs232-rts-dtbs	:= imx8mm-venice-gw72xx-0x.dtb imx8mm-venice-gw72xx-0x-rs232-rts.dtbo
diff --git a/arch/arm64/boot/dts/freescale/imx93-11x11-evk-flexspi-m2.dtso b/arch/arm64/boot/dts/freescale/imx93-11x11-evk-flexspi-m2.dtso
new file mode 100644
index 000000000000..f307789546a2
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx93-11x11-evk-flexspi-m2.dtso
@@ -0,0 +1,59 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2024 NXP
+ */
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include "imx93-pinfunc.h"
+
+/dts-v1/;
+/plugin/;
+
+&{/} {
+	reg_spinor_vcc: regulator-spinor {
+		compatible = "regulator-fixed";
+		regulator-name = "SPINOR";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		vin-supply = <&reg_m2_pwr>;
+		gpio = <&pcal6524 20 GPIO_ACTIVE_HIGH>;
+		startup-delay-us = <2000>;
+		enable-active-high;
+	};
+};
+
+&usdhc3 {
+	status = "disabled";
+};
+
+&flexspi1 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_flexspi1>;
+	status = "okay";
+
+	mt25qu512abb8e12: flash@0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		vcc-supply = <&reg_spinor_vcc>;
+		reset-gpios = <&pcal6524 12 GPIO_ACTIVE_LOW>;
+		spi-max-frequency = <133000000>;
+		spi-tx-bus-width = <4>;
+		spi-rx-bus-width = <4>;
+	};
+};
+
+&iomuxc {
+	pinctrl_flexspi1: flexspi1grp {
+		fsl,pins = <
+			MX93_PAD_SD3_CLK__FLEXSPI1_A_SCLK	0x3fe
+			MX93_PAD_SD3_CMD__FLEXSPI1_A_SS0_B	0x3fe
+			MX93_PAD_SD3_DATA0__FLEXSPI1_A_DATA00	0x3fe
+			MX93_PAD_SD3_DATA1__FLEXSPI1_A_DATA01	0x3fe
+			MX93_PAD_SD3_DATA2__FLEXSPI1_A_DATA02	0x3fe
+			MX93_PAD_SD3_DATA3__FLEXSPI1_A_DATA03	0x3fe
+		>;
+	};
+};
diff --git a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
index 8d036b3962e9..2eefa65fbfa8 100644
--- a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
@@ -78,6 +78,16 @@ reg_vref_1v8: regulator-adc-vref {
 		regulator-max-microvolt = <1800000>;
 	};
 
+	reg_m2_pwr: regulator-m2-pwr {
+		compatible = "regulator-fixed";
+		regulator-name = "M.2-power";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&pcal6524 13 GPIO_ACTIVE_HIGH>;
+		startup-delay-us = <2000>;
+		enable-active-high;
+	};
+
 	reg_usdhc2_vmmc: regulator-usdhc2 {
 		compatible = "regulator-fixed";
 		pinctrl-names = "default";

-- 
2.37.1