Skip to content

dts: arm: adi: Enable SPI for MAX32657 #92036

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 4 commits into from
Jun 27, 2025
Merged

dts: arm: adi: Enable SPI for MAX32657 #92036

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
17287b2
drivers: spi: MAX32657 fix related to register name change
mertekren Jun 5, 2024
be79f9b
dts: arm: adi: Add MAX32657 SPI instance and binding file
mertekren Nov 7, 2024
fda89e3
boards: arm: adi: Add SPI to MAX32657 boards driver list
mertekren Jul 11, 2024
6ffe69c
tests: drivers: spi: Add MAX32657 overlay files
mertekren Jun 4, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
1 change: 1 addition & 0 deletions boards/adi/max32657evkit/max32657evkit_max32657.yaml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -14,5 +14,6 @@ supported:
- dma
- counter
- pwm
- spi
ram: 256
flash: 960
6 changes: 6 additions & 0 deletions boards/adi/max32657evkit/max32657evkit_max32657_common.dtsi
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -65,3 +65,9 @@
&wdt0 {
status = "okay";
};

&spi0 {
status = "okay";
pinctrl-0 = <&spi0_mosi_p0_2 &spi0_miso_p0_4 &spi0_sck_p0_6 &spi0_ss0_p0_3>;
pinctrl-names = "default";
};
1 change: 1 addition & 0 deletions boards/adi/max32657evkit/max32657evkit_max32657_ns.yaml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -13,5 +13,6 @@ supported:
- dma
- counter
- pwm
- spi
ram: 192
flash: 576
10 changes: 5 additions & 5 deletions drivers/spi/spi_max32.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -382,7 +382,7 @@ static int transceive(const struct device *dev, const struct spi_config *config,
spi_context_cs_control(ctx, true);
} else {
cfg->regs->ctrl0 =
(cfg->regs->ctrl0 & ~MXC_F_SPI_CTRL0_START) | MXC_F_SPI_CTRL0_SS_CTRL;
(cfg->regs->ctrl0 & ~MXC_F_SPI_CTRL0_START) | ADI_MAX32_SPI_CTRL0_SS_CTRL;
}

#ifdef CONFIG_SPI_MAX32_INTERRUPT
Expand Down Expand Up @@ -412,7 +412,7 @@ static int transceive(const struct device *dev, const struct spi_config *config,
if (!hw_cs_ctrl) {
spi_context_cs_control(ctx, false);
} else {
cfg->regs->ctrl0 &= ~(MXC_F_SPI_CTRL0_START | MXC_F_SPI_CTRL0_SS_CTRL |
cfg->regs->ctrl0 &= ~(MXC_F_SPI_CTRL0_START | ADI_MAX32_SPI_CTRL0_SS_CTRL |
ADI_MAX32_SPI_CTRL_EN);
cfg->regs->ctrl0 |= ADI_MAX32_SPI_CTRL_EN;
}
Expand Down Expand Up @@ -571,7 +571,7 @@ static int transceive_dma(const struct device *dev, const struct spi_config *con
if (!hw_cs_ctrl) {
spi_context_cs_control(ctx, true);
} else {
spi->ctrl0 = (spi->ctrl0 & ~MXC_F_SPI_CTRL0_START) | MXC_F_SPI_CTRL0_SS_CTRL;
spi->ctrl0 = (spi->ctrl0 & ~MXC_F_SPI_CTRL0_START) | ADI_MAX32_SPI_CTRL0_SS_CTRL;
}

MXC_SPI_SetSlave(cfg->regs, ctx->config->slave);
Expand Down Expand Up @@ -620,7 +620,7 @@ static int transceive_dma(const struct device *dev, const struct spi_config *con
if (!hw_cs_ctrl) {
spi_context_cs_control(ctx, false);
} else {
spi->ctrl0 &= ~(MXC_F_SPI_CTRL0_START | MXC_F_SPI_CTRL0_SS_CTRL |
spi->ctrl0 &= ~(MXC_F_SPI_CTRL0_START | ADI_MAX32_SPI_CTRL0_SS_CTRL |
ADI_MAX32_SPI_CTRL_EN);
spi->ctrl0 |= ADI_MAX32_SPI_CTRL_EN;
}
Expand Down Expand Up @@ -772,7 +772,7 @@ static void spi_max32_callback(mxc_spi_req_t *req, int error)
if (spi_cs_is_gpio(ctx->config)) {
spi_context_cs_control(ctx, false);
} else {
req->spi->ctrl0 &= ~(MXC_F_SPI_CTRL0_START | MXC_F_SPI_CTRL0_SS_CTRL |
req->spi->ctrl0 &= ~(MXC_F_SPI_CTRL0_START | ADI_MAX32_SPI_CTRL0_SS_CTRL |
ADI_MAX32_SPI_CTRL_EN);
req->spi->ctrl0 |= ADI_MAX32_SPI_CTRL_EN;
}
Expand Down
10 changes: 10 additions & 0 deletions dts/arm/adi/max32/max32657_common.dtsi
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -268,6 +268,16 @@
status = "disabled";
};
};

spi0: spi@46000 {
compatible = "adi,max32-spi";
reg = <0x46000 0x1000>;
#address-cells = <1>;
#size-cells = <0>;
clocks = <&gcr ADI_MAX32_CLOCK_BUS0 6>;
interrupts = <12 0>;
status = "disabled";
};
};

&nvic {
Expand Down
6 changes: 6 additions & 0 deletions tests/drivers/spi/spi_loopback/boards/max32657evkit_max32657.conf
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,6 @@
#
# Copyright (c) 2024 Analog Devices, Inc.
#
# SPDX-License-Identifier: Apache-2.0
#
CONFIG_SPI_MAX32_INTERRUPT=y
25 changes: 25 additions & 0 deletions tests/drivers/spi/spi_loopback/boards/max32657evkit_max32657.overlay
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,25 @@
/*
* Copyright (c) 2024 Analog Devices, Inc.
*
* SPDX-License-Identifier: Apache-2.0
*/

&dma1 {
status = "okay";
};

&spi0 {
dmas = <&dma1 1 MAX32_DMA_SLOT_SPI_TX>, <&dma1 2 MAX32_DMA_SLOT_SPI_RX>;
dma-names = "tx", "rx";

slow@1 {
compatible = "test-spi-loopback-slow";
reg = <1>;
spi-max-frequency = <128000>;
};
fast@1 {
compatible = "test-spi-loopback-fast";
reg = <1>;
spi-max-frequency = <500000>;
};
};
6 changes: 6 additions & 0 deletions tests/drivers/spi/spi_loopback/boards/max32657evkit_max32657_ns.conf
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,6 @@
#
# Copyright (c) 2024 Analog Devices, Inc.
#
# SPDX-License-Identifier: Apache-2.0
#
CONFIG_SPI_MAX32_INTERRUPT=y
18 changes: 18 additions & 0 deletions tests/drivers/spi/spi_loopback/boards/max32657evkit_max32657_ns.overlay
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,18 @@
/*
* Copyright (c) 2024 Analog Devices, Inc.
*
* SPDX-License-Identifier: Apache-2.0
*/

&spi0 {
slow@1 {
compatible = "test-spi-loopback-slow";
reg = <1>;
spi-max-frequency = <128000>;
};
fast@1 {
compatible = "test-spi-loopback-fast";
reg = <1>;
spi-max-frequency = <500000>;
};
};