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authorSiva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>2018-07-18 16:31:38 +0530
committerMichal Simek <michal.simek@xilinx.com>2018-07-19 10:49:56 +0200
commit14ed50a4bfadf7bc3437b325ec655c79bddd8833 (patch)
tree7954264060c6222d287c80cf61fac5b0643622f5 /arch
parentbb8920ed77ecc19fcbe55fbd7504775d7f7b51eb (diff)
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arm64: zynqmp: Add QSPI flash mini u-boot configuration
Add configuration files/dtses for mini u-boot configuration which runs on smaller footprint of internal memory. This configuration has only required qspi flash support and it uses DCC as serial. Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/dts/Makefile1
-rw-r--r--arch/arm/dts/zynqmp-mini-qspi.dts79
2 files changed, 80 insertions, 0 deletions
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 1bdcb1b495..094c41b3de 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -152,6 +152,7 @@ dtb-$(CONFIG_ARCH_ZYNQMP) += \
zynqmp-mini-emmc0.dtb \
zynqmp-mini-emmc1.dtb \
zynqmp-mini-nand.dtb \
+ zynqmp-mini-qspi.dtb \
zynqmp-zcu100-revC.dtb \
zynqmp-zcu102-revA.dtb \
zynqmp-zcu102-revB.dtb \
diff --git a/arch/arm/dts/zynqmp-mini-qspi.dts b/arch/arm/dts/zynqmp-mini-qspi.dts
new file mode 100644
index 0000000000..c235a5f731
--- /dev/null
+++ b/arch/arm/dts/zynqmp-mini-qspi.dts
@@ -0,0 +1,79 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * dts file for Xilinx ZynqMP Mini Configuration
+ *
+ * (C) Copyright 2015 - 2018, Xilinx, Inc.
+ *
+ * Siva Durga Prasad <siva.durga.paladugu@xilinx.com>
+ * Michal Simek <michal.simek@xilinx.com>
+ */
+
+/dts-v1/;
+
+/ {
+ model = "ZynqMP MINI QSPI";
+ compatible = "xlnx,zynqmp";
+ #address-cells = <2>;
+ #size-cells = <1>;
+
+ aliases {
+ serial0 = &dcc;
+ spi0 = &qspi;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ memory@fffc0000 {
+ device_type = "memory";
+ reg = <0x0 0xfffc0000 0x40000>;
+ };
+
+ dcc: dcc {
+ compatible = "arm,dcc";
+ status = "disabled";
+ u-boot,dm-pre-reloc;
+ };
+
+ amba: amba {
+ compatible = "simple-bus";
+ #address-cells = <2>;
+ #size-cells = <1>;
+ ranges;
+
+ qspi: spi@ff0f0000 {
+ compatible = "xlnx,zynqmp-qspi-1.0";
+ status = "disabled";
+ clock-names = "ref_clk", "pclk";
+ clocks = <&misc_clk &misc_clk>;
+ num-cs = <1>;
+ reg = <0x0 0xff0f0000 0x1000 0x0 0xc0000000 0x8000000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ misc_clk: misc_clk {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <125000000>;
+ };
+ };
+};
+
+&qspi {
+ status = "okay";
+ flash@0 {
+ compatible = "n25q512a11";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ reg = <0x0>;
+ spi-tx-bus-width = <1>;
+ spi-rx-bus-width = <4>;
+ spi-max-frequency = <10000000>;
+ };
+};
+
+&dcc {
+ status = "okay";
+};