openwrt/target/linux/mvebu/patches-4.14/521-arm64-dts-armada-3720-espressobin-wire-up-spi-flash.patch

From bffed3d4abcd32ba6d492a9bd7ebe81dc92eaa9a Mon Sep 17 00:00:00 2001
From: Ellie Reeves <ellierevves@gmail.com>
Date: Sun, 25 Mar 2018 21:57:36 +0200
Subject: [PATCH] arm64: dts: armada-3720-espressobin: wire up spi flash
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This is the storage the machine boots from by default. The partitioning
is taken from the U-Boot that is shipped with the board. There is some
more space on the flash that isn't used.

Tested-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Ellie Reeves <ellierevves@gmail.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>

[drop partitions, not every U-Boot has same layout]
Signed-off-by: Tomasz Maciej Nowak <tomek_n@o2.pl>
---
 .../dts/marvell/armada-3720-espressobin.dts   | 13 +++++++++++++
 1 file changed, 13 insertions(+)

--- a/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts
+++ b/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts
@@ -96,6 +96,19 @@
 	status = "okay";
 };
 
+&spi0 {
+	status = "okay";
+
+	flash@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		reg = <0>;
+		compatible = "winbond,w25q32dw", "jedec,spi-flash";
+		spi-max-frequency = <104000000>;
+		m25p,fast-read;
+	};
+};
+
 /* Exported on the micro USB connector J5 through an FTDI */
 &uart0 {
 	status = "okay";