From: Ooi, Joyce <joyce.ooi@intel.com>
Date: Tue, 8 Oct 2019 08:46:39 +0000 (-0700)
Subject: arm64: dts: agilex: add QSPI support for Intel Agilex
X-Git-Tag: v5.5-rc1~39^2~38^2~3
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=c4c8757b2d8956ae48d4d3b4acd400835c98921e;p=thirdparty%2Fkernel%2Flinux.git

arm64: dts: agilex: add QSPI support for Intel Agilex

This patch adds QSPI flash interface in device tree for Intel Agilex

Signed-off-by: Ooi, Joyce <joyce.ooi@intel.com>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
---

diff --git a/arch/arm64/boot/dts/intel/socfpga_agilex_socdk.dts b/arch/arm64/boot/dts/intel/socfpga_agilex_socdk.dts
index 7814a9e8eb08e..866205ac7d51b 100644
--- a/arch/arm64/boot/dts/intel/socfpga_agilex_socdk.dts
+++ b/arch/arm64/boot/dts/intel/socfpga_agilex_socdk.dts
@@ -73,3 +73,38 @@
 &watchdog0 {
 	status = "okay";
 };
+
+&qspi {
+	flash@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "mt25qu02g";
+		reg = <0>;
+		spi-max-frequency = <100000000>;
+
+		m25p,fast-read;
+		cdns,page-size = <256>;
+		cdns,block-size = <16>;
+		cdns,read-delay = <1>;
+		cdns,tshsl-ns = <50>;
+		cdns,tsd2d-ns = <50>;
+		cdns,tchsh-ns = <4>;
+		cdns,tslch-ns = <4>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			qspi_boot: partition@0 {
+				label = "Boot and fpga data";
+				reg = <0x0 0x034B0000>;
+			};
+
+			qspi_rootfs: partition@34B0000 {
+				label = "Root Filesystem - JFFS2";
+				reg = <0x034B0000 0x0EB50000>;
+			};
+		};
+	};
+};