Skip to content

Commit f820ef7

Browse files
shontal1005shontal1005
committed
Add support for SiLabs EFR32ZG28 SoC
1 parent d5201e1 commit f820ef7

File tree

21 files changed

+5645
-1
lines changed

21 files changed

+5645
-1
lines changed

‎boards/silabs/radio_boards/xg28_rb4401c/Kconfig.defconfig

Lines changed: 17 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,17 @@
1+
# Copyright (c) 2025 Shontal Biton
2+
# SPDX-License-Identifier: Apache-2.0
3+
4+
if BOARD_XG28_RB4401C
5+
6+
config LOG_BACKEND_SWO_FREQ_HZ
7+
default 875000
8+
depends on LOG_BACKEND_SWO
9+
10+
if SOC_GECKO_USE_RAIL
11+
12+
config FPU
13+
default y
14+
15+
endif # SOC_GECKO_USE_RAIL
16+
17+
endif # BOARD_XG28_RB4401C

‎boards/silabs/radio_boards/xg28_rb4401c/Kconfig.xg28_rb4401c

Lines changed: 5 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,5 @@
1+
# Copyright (c) 2025 Shontal Biton
2+
# SPDX-License-Identifier: Apache-2.0
3+
4+
config BOARD_XG28_RB4401C
5+
select SOC_PART_NUMBER_EFR32ZG28B322F1024IM68

‎boards/silabs/radio_boards/xg28_rb4401c/board.cmake

Lines changed: 10 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,10 @@
1+
# SPDX-License-Identifier: Apache-2.0
2+
3+
board_runner_args(jlink "--device=EFR32ZG28BxxxF1024")
4+
include(${ZEPHYR_BASE}/boards/common/jlink.board.cmake)
5+
6+
board_runner_args(openocd)
7+
include(${ZEPHYR_BASE}/boards/common/openocd.board.cmake)
8+
9+
board_runner_args(silabs_commander "--device=EFR32ZG28B322F1024IM68")
10+
include(${ZEPHYR_BASE}/boards/common/silabs_commander.board.cmake)

‎boards/silabs/radio_boards/xg28_rb4401c/board.yml

Lines changed: 6 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,6 @@
1+
board:
2+
name: xg28_rb4401c
3+
full_name: EFR32xG28 868-915 MHz 20 dBm (xG28-RB4401C)
4+
vendor: silabs
5+
socs:
6+
- name: efr32zg28b322f1024im68

‎boards/silabs/radio_boards/xg28_rb4401c/pre_dt_board.cmake

Lines changed: 5 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,5 @@
1+
# Copyright (c) 2021 Linaro Limited
2+
# SPDX-License-Identifier: Apache-2.0
3+
4+
# SPI is implemented via usart so node name isn't spi@...
5+
list(APPEND EXTRA_DTC_FLAGS "-Wno-spi_bus_bridge")

‎boards/silabs/radio_boards/xg28_rb4401c/support/openocd.cfg

Lines changed: 25 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,25 @@
1+
if {[info exists env(OPENOCD_INTERFACE)]} {
2+
set INTERFACE $env(OPENOCD_INTERFACE)
3+
} else {
4+
# By default connect over Debug USB port using the J-Link interface
5+
set INTERFACE "jlink"
6+
}
7+
8+
source [find interface/$INTERFACE.cfg]
9+
10+
transport select swd
11+
12+
set CHIPNAME efr32
13+
14+
source [find target/efm32.cfg]
15+
16+
$_TARGETNAME configure -event gdb-attach {
17+
echo "Debugger attaching: halting execution"
18+
reset halt
19+
gdb_breakpoint_override hard
20+
}
21+
22+
$_TARGETNAME configure -event gdb-detach {
23+
echo "Debugger detaching: resuming execution"
24+
resume
25+
}

‎boards/silabs/radio_boards/xg28_rb4401c/xg28_rb4401c-pinctrl.dtsi

Lines changed: 22 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,22 @@
1+
/*
2+
* Copyright (c) 2025 Shontal Biton
3+
*
4+
* SPDX-License-Identifier: Apache-2.0
5+
*/
6+
7+
#include <dt-bindings/pinctrl/silabs/xg28-pinctrl.h>
8+
9+
&pinctrl {
10+
usart0_default: usart0_default {
11+
group0 {
12+
pins = <USART0_TX_PD11>;
13+
drive-push-pull;
14+
output-high;
15+
};
16+
group1 {
17+
pins = <USART0_RX_PD12>;
18+
input-enable;
19+
silabs,input-filter;
20+
};
21+
};
22+
};

‎boards/silabs/radio_boards/xg28_rb4401c/xg28_rb4401c.dts

Lines changed: 201 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,201 @@
1+
/*
2+
* Copyright (c) 2025 Shontal Biton
3+
*
4+
* SPDX-License-Identifier: Apache-2.0
5+
*/
6+
7+
/dts-v1/;
8+
#include <silabs/efr32zg28b322f1024im68.dtsi>
9+
#include <zephyr/dt-bindings/input/input-event-codes.h>
10+
#include <zephyr/dt-bindings/regulator/silabs_dcdc.h>
11+
#include "xg28_rb4401c-pinctrl.dtsi"
12+
13+
/ {
14+
model = "Silicon Labs BRD4401C";
15+
compatible = "silabs,xg28_rb4401c", "silabs,efr32zg28";
16+
17+
chosen {
18+
zephyr,console = &usart0;
19+
zephyr,shell-uart = &usart0;
20+
zephyr,uart-pipe = &usart0;
21+
zephyr,sram = &sram0;
22+
zephyr,flash = &flash0;
23+
zephyr,code-partition = &slot0_partition;
24+
};
25+
26+
aliases {
27+
led0 = &led0;
28+
led1 = &led1;
29+
sw0 = &button0;
30+
sw1 = &button1;
31+
watchdog0 = &wdog0;
32+
};
33+
34+
leds {
35+
compatible = "gpio-leds";
36+
led0: led_0 {
37+
gpios = <&gpiob 2 GPIO_ACTIVE_HIGH>;
38+
label = "LED 0";
39+
};
40+
led1: led_1 {
41+
gpios = <&gpiod 3 GPIO_ACTIVE_HIGH>;
42+
label = "LED 1";
43+
};
44+
};
45+
46+
buttons {
47+
compatible = "gpio-keys";
48+
button0: button_0 {
49+
gpios = <&gpiob 1 GPIO_ACTIVE_LOW>;
50+
label = "User Push Button 0";
51+
zephyr,code = <INPUT_KEY_0>;
52+
};
53+
button1: button_1 {
54+
gpios = <&gpiob 3 GPIO_ACTIVE_LOW>;
55+
label = "User Push Button 1";
56+
zephyr,code = <INPUT_KEY_1>;
57+
};
58+
};
59+
60+
};
61+
62+
&cpu0 {
63+
clock-frequency = <78000000>;
64+
};
65+
66+
&pstate_em3 {
67+
status = "disabled";
68+
};
69+
70+
&hfxo {
71+
status = "okay";
72+
ctune = <106>;
73+
precision = <50>;
74+
};
75+
76+
&lfxo {
77+
status = "okay";
78+
ctune = <38>;
79+
precision = <50>;
80+
};
81+
82+
&hfrcodpll {
83+
clock-frequency = <DT_FREQ_M(78)>;
84+
clocks = <&hfxo>;
85+
dpll-n = <3839>;
86+
dpll-m = <1919>;
87+
dpll-edge = "fall";
88+
dpll-lock = "phase";
89+
dpll-autorecover;
90+
};
91+
92+
&em23grpaclk {
93+
clocks = <&lfxo>;
94+
};
95+
96+
&em4grpaclk {
97+
clocks = <&lfxo>;
98+
};
99+
100+
&sysrtcclk {
101+
clocks = <&lfxo>;
102+
};
103+
104+
&wdog0clk {
105+
clocks = <&lfxo>;
106+
};
107+
108+
&wdog1clk {
109+
clocks = <&lfxo>;
110+
};
111+
112+
&usart0 {
113+
current-speed = <115200>;
114+
pinctrl-0 = <&usart0_default>;
115+
pinctrl-names = "default";
116+
status = "okay";
117+
};
118+
119+
&gpio {
120+
status = "okay";
121+
};
122+
123+
&gpioa {
124+
status = "okay";
125+
};
126+
127+
&gpiob {
128+
status = "okay";
129+
130+
board-controller-enable {
131+
gpio-hog;
132+
gpios = <0 GPIO_ACTIVE_HIGH>;
133+
output-high;
134+
};
135+
};
136+
137+
&gpioc {
138+
status = "okay";
139+
};
140+
141+
&gpiod {
142+
status = "okay";
143+
};
144+
145+
&wdog0 {
146+
status = "okay";
147+
};
148+
149+
&sysrtc0 {
150+
status = "okay";
151+
};
152+
153+
&se {
154+
status = "okay";
155+
};
156+
157+
&dcdc {
158+
status = "okay";
159+
regulator-boot-on;
160+
regulator-initial-mode = <SILABS_DCDC_MODE_BUCK>;
161+
silabs,pfmx-peak-current-milliamp = <80>;
162+
};
163+
164+
&flash0 {
165+
partitions {
166+
compatible = "fixed-partitions";
167+
#address-cells = <1>;
168+
#size-cells = <1>;
169+
170+
/* Reserve 48 kB for the bootloader */
171+
boot_partition: partition@0 {
172+
label = "mcuboot";
173+
reg = <0x0 DT_SIZE_K(48)>;
174+
read-only;
175+
};
176+
177+
/* Reserve 208 kB for the application in slot 0 */
178+
slot0_partition: partition@c000 {
179+
label = "image-0";
180+
reg = <0x0000c000 DT_SIZE_K(208)>;
181+
};
182+
183+
/* Reserve 208 kB for the application in slot 1 */
184+
slot1_partition: partition@40000 {
185+
label = "image-1";
186+
reg = <0x00040000 DT_SIZE_K(208)>;
187+
};
188+
189+
/* Reserve 32 kB for the scratch partition */
190+
scratch_partition: partition@74000 {
191+
label = "image-scratch";
192+
reg = <0x00074000 DT_SIZE_K(32)>;
193+
};
194+
195+
/* Set 16 kB of storage at the end of the 1536 kB of flash */
196+
storage_partition: partition@7c000 {
197+
label = "storage";
198+
reg = <0x0007c000 DT_SIZE_K(16)>;
199+
};
200+
};
201+
};

‎boards/silabs/radio_boards/xg28_rb4401c/xg28_rb4401c.yaml

Lines changed: 21 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,21 @@
1+
2+
identifier: xg28_rb4401c
3+
name: EFR32xG28 868-915 MHz 20 dBm Radio Board (xG28-RB4401C, BRD4401C)
4+
type: mcu
5+
arch: arm
6+
ram: 256
7+
flash: 1024
8+
toolchain:
9+
- zephyr
10+
- gnuarmemb
11+
- xtools
12+
supported:
13+
- bluetooth
14+
- gpio
15+
- uart
16+
- watchdog
17+
testing:
18+
ignore_tags:
19+
- pm
20+
- hwinfo
21+
vendor: silabs

‎boards/silabs/radio_boards/xg28_rb4401c/xg28_rb4401c_deconfig

Lines changed: 9 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,9 @@
1+
# SPDX-License-Identifier: Apache-2.0
2+
3+
CONFIG_ARM_MPU=y
4+
CONFIG_CONSOLE=y
5+
CONFIG_UART_CONSOLE=y
6+
CONFIG_SERIAL=y
7+
CONFIG_GPIO=y
8+
CONFIG_SOC_GECKO_EMU_DCDC=y
9+
CONFIG_SOC_GECKO_EMU_DCDC_MODE_ON=y

0 commit comments

Comments
 (0)