blob: 70078bedd02a7389684d3969a4b7db0d5fce08ae [file] [log] [blame]
From 91dbfe393b3c11b294a2849ae14e882514f6fadb Mon Sep 17 00:00:00 2001
From: Thor Thayer <thor.thayer@linux.intel.com>
Date: Tue, 15 May 2018 17:26:27 -0500
Subject: [PATCH 1655/1795] arm64: dts: stratix10: Add QSPI support for
Stratix10
Add qspi_clock
The qspi_clk frequency is updated by U-Boot before starting Linux.
Add QSPI interface node.
Add QSPI flash memory child node.
Setup the QSPI memory in 2 partitions.
Signed-off-by: Thor Thayer <thor.thayer@linux.intel.com>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
(cherry picked from commit 0cb140d07fc75fb40dc402ba7e6e8c3c3a6f9d71)
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
.../boot/dts/altera/socfpga_stratix10.dtsi | 21 +++++++++++
.../dts/altera/socfpga_stratix10_socdk.dts | 35 +++++++++++++++++++
2 files changed, 56 insertions(+)
diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
index 67dac595dc72..47fa4b450324 100644
--- a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
+++ b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
@@ -119,6 +119,12 @@
#clock-cells = <0>;
compatible = "fixed-clock";
};
+
+ qspi_clk: qspi-clk {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <200000000>;
+ };
};
gmac0: ethernet@ff800000 {
@@ -464,5 +470,20 @@
interrupts = <16 4>, <48 4>;
};
};
+
+ qspi: spi@ff8d2000 {
+ compatible = "cdns,qspi-nor";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0xff8d2000 0x100>,
+ <0xff900000 0x100000>;
+ interrupts = <0 3 4>;
+ cdns,fifo-depth = <128>;
+ cdns,fifo-width = <4>;
+ cdns,trigger-address = <0x00000000>;
+ clocks = <&qspi_clk>;
+
+ status = "disabled";
+ };
};
};
diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts b/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts
index f9b1ef12db48..6edc4fa9fd42 100644
--- a/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts
+++ b/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts
@@ -147,3 +147,38 @@
reg = <0x68>;
};
};
+
+&qspi {
+ flash@0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "n25q00a";
+ reg = <0>;
+ spi-max-frequency = <50000000>;
+
+ 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 0x4000000>;
+ };
+
+ qspi_rootfs: partition@4000000 {
+ label = "Root Filesystem - JFFS2";
+ reg = <0x4000000 0x4000000>;
+ };
+ };
+ };
+};
--
2.19.0