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drivers: i3c: Add MAX32657 I3C driver #92171

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drivers: i3c: Add MAX32657 I3C driver #92171

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27c12e9
drivers: i3c: Introduce MAX32 I3C driver
ttmut Jun 10, 2024
5c585ee
dts: arm: adi: max32657: Add I3C instance
ttmut Jun 3, 2024
7063ff4
drivers: i3c: shell: Add shell support to MAX32 I3C
ttmut Jun 25, 2025
6c6462f
boards: adi: max32657evkit: Enable I3C peripheral
ttmut Dec 24, 2024
8240f7b
boards: adi: max32657evkit: Add adxl367 accelerometer
ttmut Jun 25, 2025
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1 change: 1 addition & 0 deletions boards/adi/max32657evkit/max32657evkit_max32657.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -14,5 +14,6 @@ supported:
- dma
- counter
- pwm
- i3c
ram: 256
flash: 960
16 changes: 16 additions & 0 deletions boards/adi/max32657evkit/max32657evkit_max32657_common.dtsi
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Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,7 @@

/* These aliases are provided for compatibility with samples */
aliases {
accel0 = &adxl367;
led0 = &led1;
sw0 = &pb1;
watchdog0 = &wdt0;
Expand All @@ -65,3 +66,18 @@
&wdt0 {
status = "okay";
};

&i3c0 {
status = "okay";
pinctrl-0 = <&i3c_scl_p0_0 &i3c_sda_p0_1>;
pinctrl-names = "default";
i2c-scl-hz = <DT_FREQ_K(200)>;
i3c-scl-hz = <DT_FREQ_K(800)>;
i3c-od-scl-hz = <DT_FREQ_K(400)>;

adxl367: adxl367@530000000000000000 {
compatible = "adi,adxl367";
reg = <0x53 0x00 0x00>;
status = "okay";
};
};
3 changes: 3 additions & 0 deletions boards/adi/max32657evkit/max32657evkit_max32657_defconfig
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Expand Up @@ -12,5 +12,8 @@ CONFIG_UART_CONSOLE=y
CONFIG_SERIAL=y
CONFIG_UART_INTERRUPT_DRIVEN=y

# Enable I3C
CONFIG_I3C=y
Comment on lines +15 to +16
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This enables I3C for all applications built for this board, even hello world. Should be removed

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Fails to build sensor samples that is why I added it. I will think of a better solution.

https://github.com/zephyrproject-rtos/zephyr/actions/runs/15874279583/job/44758423761


# It is secure fw, enable flags
CONFIG_TRUSTED_EXECUTION_SECURE=y
1 change: 1 addition & 0 deletions boards/adi/max32657evkit/max32657evkit_max32657_ns.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -13,5 +13,6 @@ supported:
- dma
- counter
- pwm
- i3c
ram: 192
flash: 576
3 changes: 3 additions & 0 deletions boards/adi/max32657evkit/max32657evkit_max32657_ns_defconfig
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,9 @@ CONFIG_UART_CONSOLE=y
CONFIG_SERIAL=y
CONFIG_UART_INTERRUPT_DRIVEN=y

# Enable I3C
CONFIG_I3C=y
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ditto


# It is non-secure fw, enable flags
CONFIG_TRUSTED_EXECUTION_NONSECURE=y

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5 changes: 5 additions & 0 deletions drivers/i3c/CMakeLists.txt
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Expand Up @@ -66,6 +66,11 @@ zephyr_library_sources_ifdef(
i3cs_it51xxx.c
)

zephyr_library_sources_ifdef(
CONFIG_I3C_MAX32
i3c_max32.c
)

zephyr_library_sources_ifdef(
CONFIG_I3C_TEST
i3c_test.c
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1 change: 1 addition & 0 deletions drivers/i3c/Kconfig
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Expand Up @@ -211,6 +211,7 @@ rsource "Kconfig.nxp"
rsource "Kconfig.cdns"
rsource "Kconfig.npcx"
rsource "Kconfig.dw"
rsource "Kconfig.max32"
rsource "Kconfig.test"
rsource "Kconfig.stm32"
rsource "Kconfig.it51xxx"
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16 changes: 16 additions & 0 deletions drivers/i3c/Kconfig.max32
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@@ -0,0 +1,16 @@
# Copyright (c) 2024 Analog Devices, Inc.
#
# SPDX-License-Identifier: Apache-2.0

module = I3C_MAX32
module-str = i3c-max32
source "subsys/logging/Kconfig.template.log_config"

config I3C_MAX32
bool "Analog Devices MAX32 I3C driver"
depends on DT_HAS_ADI_MAX32_I3C_ENABLED
select PINCTRL
select I3C_IBI_WORKQUEUE if I3C_USE_IBI
default y
help
I3C driver for MAX32 SoC family.
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