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Add device tree patch for Nokia-BMC-H6-128 platform #553

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319 changes: 319 additions & 0 deletions patches-sonic/0001-Add-device-tree-for-Nokia-BMC-H6-128-platform.patch
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Original file line number Diff line number Diff line change
@@ -0,0 +1,319 @@
From fe9bd355064f7d80a7f34ebc81380790fc39693c Mon Sep 17 00:00:00 2001
From: nats-nokia <natarajan.subbiramani@nokia.com>
Date: Mon, 30 Mar 2026 15:58:14 -0400
Subject: [PATCH] Add device tree for Nokia BMC H6-128 platform

The device tree is based on ast2700 evb board.

Signed-off-by: nats-nokia <natarajan.subbiramani@nokia.com>
---
arch/arm64/boot/dts/aspeed/Makefile | 3 +-
.../dts/aspeed/nokia-ast2700-h6-128-r0.dts | 285 ++++++++++++++++++
2 files changed, 287 insertions(+), 1 deletion(-)
create mode 100644 arch/arm64/boot/dts/aspeed/nokia-ast2700-h6-128-r0.dts

diff --git a/arch/arm64/boot/dts/aspeed/Makefile b/arch/arm64/boot/dts/aspeed/Makefile
index 1b26168dfcd8..c5a2cc545b75 100644
--- a/arch/arm64/boot/dts/aspeed/Makefile
+++ b/arch/arm64/boot/dts/aspeed/Makefile
@@ -14,4 +14,5 @@ dtb-$(CONFIG_ARCH_ASPEED) += \
ast2700-evb-256-abr.dtb \
ast2700-slt.dtb \
ast2700-fpga.dtb \
- ast2700-ci-host.dtb
+ ast2700-ci-host.dtb \
+ nokia-ast2700-h6-128-r0.dtb
diff --git a/arch/arm64/boot/dts/aspeed/nokia-ast2700-h6-128-r0.dts b/arch/arm64/boot/dts/aspeed/nokia-ast2700-h6-128-r0.dts
new file mode 100644
index 000000000000..9aa248e0c4a2
--- /dev/null
+++ b/arch/arm64/boot/dts/aspeed/nokia-ast2700-h6-128-r0.dts
@@ -0,0 +1,285 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+// Nokia BMC H6-128 devicetreee based on ast2700-evb.dts
+
+/dts-v1/;
+
+#include "aspeed-g7.dtsi"
+#include <dt-bindings/gpio/aspeed-gpio.h>
+#include <dt-bindings/i2c/i2c.h>
+
+/ {
+ model = "Nokia-BMC-H6-128";
+ compatible = "aspeed,ast2700";
+
+ chosen {
+ stdout-path = "serial2:115200n8";
+ };
+
+ memory@400000000 {
+ device_type = "memory";
+ reg = <0x4 0x00000000 0x0 0x40000000>;
+ };
+
+ reserved-memory {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ #include "ast2700-reserved-mem.dtsi"
+
+#if 0
+ gfx_memory: framebuffer {
+ size = <0x0 0x01000000>;
+ alignment = <0x0 0x01000000>;
+ compatible = "shared-dma-pool";
+ reusable;
+ };
+#endif
+ };
+};
+
+&uart0 {
+ status = "okay";
+};
+
+&uart2 {
+ status = "okay";
+};
+
+&uart12 {
+ status = "okay";
+};
+
+&fmc {
+ status = "okay";
+ pinctrl-0 = <&pinctrl_fwspi_quad_default>;
+ pinctrl-names = "default";
+
+ flash@0 {
+ status = "okay";
+ m25p,fast-read;
+ label = "bmc";
+ spi-max-frequency = <12500000>;
+ spi-tx-bus-width = <2>;
+ spi-rx-bus-width = <2>;
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ u-boot@0 {
+ reg = <0x0 0x400000>; // 4MB
+ label = "u-boot";
+ };
+ u-boot-env@400000 {
+ reg = <0x400000 0x20000>; // 128KB
+ label = "u-boot-env";
+ };
+ kernel@420000 {
+ reg = <0x420000 0x900000>; // 9MB
+ label = "kernel";
+ };
+ rofs@d20000 {
+ reg = <0xd20000 0x24a0000>; // 36.625MB
+ label = "rofs";
+ };
+ rwfs@31c0000 {
+ reg = <0x31c0000 0xE40000>; // 14.25MB
+ label = "rwfs";
+ };
+ pfm@4000000 {
+ reg = <0x4000000 0x20000>; // 128KB
+ label = "pfm";
+ };
+ reserved-1@4020000 {
+ reg = <0x4020000 0x200000>; // 2048KB
+ label = "reserved-1";
+ };
+ rc-image@4220000 {
+ reg = <0x4220000 0x3de0000>; // 63360KB
+ label = "rc-image";
+ };
+ image-stg@8000000 {
+ reg = <0x8000000 0x3de0000>; // 63360KB
+ label = "img-stg";
+ };
+ pfr-stg@bde0000 {
+ reg = <0xbde0000 0x100000>; // 1024KB
+ label = "pfr-stg";
+ };
+ cpld-stg@bee0000 {
+ reg = <0xbee0000 0x400000>; // 4096KB
+ label = "cpld-stg";
+ };
+ afm-stg@c2e0000 {
+ reg = <0xc2e0000 0x20000>; // 128KB
+ label = "afm-stg";
+ };
+ afm-rc@c300000 {
+ reg = <0xc300000 0x20000>; // 128KB
+ label = "afm-rc";
+ };
+ reserved-2@c320000 {
+ reg = <0xc320000 0x3ce0000>; // 62336KB
+ label = "reserved-2";
+ };
+ };
+ };
+};
+
+&spi1 {
+ status = "okay";
+ pinctrl-0 = <&pinctrl_spi1_default &pinctrl_spi1_cs1_default>;
+ pinctrl-names = "default";
+
+ flash@0 {
+ status = "okay";
+ m25p,fast-read;
+ label = "bios";
+ spi-max-frequency = <12500000>;
+ spi-tx-bus-width = <2>;
+ spi-rx-bus-width = <2>;
+ };
+};
+
+&spi2 {
+ compatible = "aspeed,ast2700-spi-txrx";
+ pinctrl-0 = <&pinctrl_spi2_default>;
+ pinctrl-names = "default";
+ status = "okay";
+
+ tpm@0 {
+ compatible = "tcg,tpm_tis-spi";
+ spi-max-frequency = <33000000>;
+ reg = <0>;
+ status = "okay";
+ };
+};
+
+&mac0 {
+ status = "okay";
+ use-ncsi;
+ phy-mode = "rmii";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_rmii1_default>;
+};
+
+&syscon1 {
+ assigned-clocks = <&syscon1 SCU1_CLK_MACHCLK>,
+ <&syscon1 SCU1_CLK_RGMII>,
+ <&syscon1 SCU1_CLK_RMII>;
+ assigned-clock-rates = <200000000>, <125000000>, <50000000>;
+};
+
+&espi0 {
+ status = "okay";
+ perif-dma-mode;
+ perif-mmbi-enable;
+ perif-mmbi-src-addr = <0x0 0xa8000000>;
+ perif-mmbi-tgt-memory = <&espi0_mmbi_memory>;
+ perif-mmbi-instance-num = <0x1>;
+ perif-mcyc-enable;
+ perif-mcyc-src-addr = <0x0 0x98000000>;
+ perif-mcyc-size = <0x0 0x10000>;
+ oob-dma-mode;
+ flash-dma-mode;
+};
+
+&lpc0_kcs3 {
+ status = "okay";
+ kcs-io-addr = <0xca2>;
+ kcs-channel = <3>;
+};
+
+&lpc0_snoop {
+ status = "okay";
+ snoop-ports = <0x80>, <0x81>;
+};
+
+&rtc {
+ status = "okay";
+};
+
+&i2c5 {
+ status = "okay";
+};
+
+&i2c6 {
+ status = "okay";
+};
+
+&i2c7 {
+ status = "okay";
+};
+
+&i2c8 {
+ status = "okay";
+};
+
+&i2c9 {
+ status = "okay";
+};
+
+&i2c10 {
+ status = "okay";
+};
+
+&i2c11 {
+ status = "okay";
+
+ eeprom@50 {
+ compatible = "atmel,24c512";
+ reg = <0x50>;
+ };
+};
+
+&i2c13 {
+ status = "okay";
+
+ eeprom@56 {
+ compatible = "atmel,24c04";
+ reg = <0x56>;
+ };
+};
+
+&i2c14 {
+ status = "okay";
+};
+
+&i2c15 {
+ status = "okay";
+};
+
+&vhuba0 {
+ status = "okay";
+};
+
+&vhubb0 {
+ status = "okay";
+};
+
+&wdt0 {
+ status = "okay";
+};
+
+&wdt1 {
+ status = "okay";
+};
+
+#if 0
+&otp {
+ status = "okay";
+};
+#endif
+
+&emmc_controller {
+ status = "okay";
+};
+
+&emmc {
+ status = "okay";
+ bus-width = <4>;
+ pinctrl-0 = <&pinctrl_emmc_default>;
+ non-removable;
+ max-frequency = <26000000>;
+};
--
2.25.1

1 change: 1 addition & 0 deletions patches-sonic/series
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Original file line number Diff line number Diff line change
Expand Up @@ -227,6 +227,7 @@ cisco-npu-disable-other-bars.patch
###-> aspeed
aspeed-ast2700-support.patch
nexthop-b27-dts.patch
0001-Add-device-tree-for-Nokia-BMC-H6-128-platform.patch
###-> aspeed-end

#
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