2022-05-04 03:26:43

by matthew.gerlach

[permalink] [raw]
Subject: [PATCH v2 3/3] arm64: dts: intel: add device tree for n6000

From: Matthew Gerlach <[email protected]>

Add a device tree for the n6000 instantiation of Agilex
Hard Processor System (HPS).

Signed-off-by: Matthew Gerlach <[email protected]>
---
v2:
- fix copy engine node name
- fix compatible field for copy engine
- remove redundant status field
- add compatibility field for the board
- fix SPDX
- fix how osc1 clock frequency is set
---
arch/arm64/boot/dts/intel/Makefile | 3 +-
.../boot/dts/intel/socfpga_agilex_n6000.dts | 76 +++++++++++++++++++
2 files changed, 78 insertions(+), 1 deletion(-)
create mode 100644 arch/arm64/boot/dts/intel/socfpga_agilex_n6000.dts

diff --git a/arch/arm64/boot/dts/intel/Makefile b/arch/arm64/boot/dts/intel/Makefile
index 0b5477442263..c2a723838344 100644
--- a/arch/arm64/boot/dts/intel/Makefile
+++ b/arch/arm64/boot/dts/intel/Makefile
@@ -1,5 +1,6 @@
# SPDX-License-Identifier: GPL-2.0-only
-dtb-$(CONFIG_ARCH_INTEL_SOCFPGA) += socfpga_agilex_socdk.dtb \
+dtb-$(CONFIG_ARCH_INTEL_SOCFPGA) += socfpga_agilex_n6000.dtb \
+ socfpga_agilex_socdk.dtb \
socfpga_agilex_socdk_nand.dtb \
socfpga_n5x_socdk.dtb
dtb-$(CONFIG_ARCH_KEEMBAY) += keembay-evm.dtb
diff --git a/arch/arm64/boot/dts/intel/socfpga_agilex_n6000.dts b/arch/arm64/boot/dts/intel/socfpga_agilex_n6000.dts
new file mode 100644
index 000000000000..6f8b7bf7a53f
--- /dev/null
+++ b/arch/arm64/boot/dts/intel/socfpga_agilex_n6000.dts
@@ -0,0 +1,76 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2021-2022, Intel Corporation
+ */
+#include "socfpga_agilex.dtsi"
+
+/ {
+ model = "SoCFPGA Agilex n6000";
+ compatible = "intel,socfpga-agilex-n6000", "intel,socfpga-agilex";
+
+ aliases {
+ serial0 = &uart1;
+ serial1 = &uart0;
+ ethernet0 = &gmac0;
+ ethernet1 = &gmac1;
+ ethernet2 = &gmac2;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ memory {
+ device_type = "memory";
+ /* We expect the bootloader to fill in the reg */
+ reg = <0 0 0 0>;
+ };
+
+ soc {
+ agilex_hps_bridges: [email protected] {
+ compatible = "simple-bus";
+ reg = <0x80000000 0x60000000>,
+ <0xf9000000 0x00100000>;
+ reg-names = "axi_h2f", "axi_h2f_lw";
+ #address-cells = <0x2>;
+ #size-cells = <0x1>;
+ ranges = <0x00000000 0x00000000 0xf9000000 0x00001000>;
+
+ [email protected] {
+ compatible = "intel,hps-copy-engine";
+ reg = <0x00000000 0x00000000 0x00001000>;
+ };
+ };
+ };
+};
+
+&osc1 {
+ clock-frequency = <25000000>;
+};
+
+&uart0 {
+ status = "okay";
+};
+
+&uart1 {
+ status = "okay";
+};
+
+&spi0 {
+ status = "okay";
+
+ spidev: [email protected] {
+ status = "okay";
+ compatible = "linux,spidev";
+ spi-max-frequency = <25000000>;
+ reg = <0>;
+ };
+};
+
+&watchdog0 {
+ status = "okay";
+};
+
+&fpga_mgr {
+ status = "disabled";
+};
--
2.25.1