patches.socfpga/0007-ARM-dts-socfpga-Enable-QSPI-on-the-Arria5-devkit.patch

From b6010bd7a8f9436f60f0b07ea629b5607251f0b2 Mon Sep 17 00:00:00 2001
From: Dinh Nguyen <dinguyen@opensource.altera.com>
Date: Wed, 19 Oct 2016 15:48:07 -0500
Subject: [PATCH 007/103] ARM: dts: socfpga: Enable QSPI on the Arria5 devkit

Enable the QSPI node and add the flash chip.

Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
---
 arch/arm/boot/dts/socfpga_arria5_socdk.dts |   33 +++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

--- a/arch/arm/boot/dts/socfpga_arria5_socdk.dts
+++ b/arch/arm/boot/dts/socfpga_arria5_socdk.dts
@@ -82,6 +82,39 @@
 	status = "okay";
 };
 
+&qspi {
+	status = "okay";
+
+	flash: flash@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "n25q256a";
+		reg = <0>;
+		spi-max-frequency = <100000000>;
+
+		m25p,fast-read;
+		cdns,page-size = <256>;
+		cdns,block-size = <16>;
+		cdns,read-delay = <4>;
+		cdns,tshsl-ns = <50>;
+		cdns,tsd2d-ns = <50>;
+		cdns,tchsh-ns = <4>;
+		cdns,tslch-ns = <4>;
+
+		partition@qspi-boot {
+			/* 8MB for raw data. */
+			label = "Flash 0 Raw Data";
+			reg = <0x0 0x800000>;
+		};
+
+		partition@qspi-rootfs {
+			/* 120MB for jffs2 data. */
+			label = "Flash 0 jffs2 Filesystem";
+			reg = <0x800000 0x7800000>;
+		};
+	};
+};
+
 &usb1 {
 	status = "okay";
 };