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am243x_evm/am2434/r5f0_0: add SPI support

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Add OMAP multi-channel SPI node to the device tree and add overlay for the
SPI loopback test.

Signed-off-by: Amneesh Singh <a-singh7@ti.com>
This commit is contained in:
Amneesh Singh 2025-06-24 19:05:48 +05:30 committed by Alberto Escolar
parent b6d261b989
commit c49ec80948
6 changed files with 61 additions and 0 deletions
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16
boards/ti/am243x_evm/am243x_evm_am2434_r5f0_0-pinctrl.dtsi
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@ -24,6 +24,22 @@
i2c0_sda: i2c0_sda_default {
pinmux = <K3_PINMUX(0x264, PIN_INPUT_PULLUP, MUX_MODE_0)>;
};
spi0_cs0: spi0_cs0_default {
pinmux = <K3_PINMUX(0x208, PIN_OUTPUT, MUX_MODE_0)>;
};
spi0_clk: spi0_clk_default {
pinmux = <K3_PINMUX(0x210, PIN_OUTPUT, MUX_MODE_0)>;
};
spi0_d0: spi0_d0_default {
pinmux = <K3_PINMUX(0x214, PIN_INPUT, MUX_MODE_0)>;
};
spi0_d1: spi0_d1_default {
pinmux = <K3_PINMUX(0x218, PIN_OUTPUT, MUX_MODE_0)>;
};
};
&mcu_pinctrl {

6
boards/ti/am243x_evm/am243x_evm_am2434_r5f0_0.dts
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@ -89,6 +89,12 @@
power-domains = <&i2c0_pd>;
};
&mcspi0 {
pinctrl-0 = <&spi0_clk &spi0_cs0 &spi0_d0 &spi0_d1>;
pinctrl-names = "default";
status = "okay";
};
&adc0 {
ti,vrefp = <1800>;
ti,fifo = <0>;

2
boards/ti/am243x_evm/am243x_evm_am2434_r5f0_0.yaml
View File

@ -10,4 +10,6 @@ ram: 256
toolchain:
- zephyr
- gnuarmemb
supported:
- spi
vendor: ti

10
dts/arm/ti/am64x_main.dtsi
View File

@ -215,6 +215,16 @@
status = "disabled";
};
mcspi0: spi@20100000 {
compatible = "ti,omap-mcspi";
reg = <0x20100000 0x400>;
clock-frequency = <DT_FREQ_M(50)>;
ti,spi-num-cs = <4>;
#address-cells = <1>;
#size-cells = <0>;
status = "disabled";
};
adc0: adc@28001000 {
compatible = "ti,am335x-adc";
reg = <0x28001000 DT_SIZE_K(1)>;

6
tests/drivers/spi/spi_loopback/boards/am243x_evm_am2434_r5f0_0.conf Normal file
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@ -0,0 +1,6 @@
# Copyright (c) 2025 Texas Instruments
#
# SPDX-License-Identifier: Apache-2.0
CONFIG_SPI_LOOPBACK_MODE_LOOP=y
CONFIG_SPI_IDEAL_TRANSFER_DURATION_SCALING=25

21
tests/drivers/spi/spi_loopback/boards/am243x_evm_am2434_r5f0_0.overlay Normal file
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@ -0,0 +1,21 @@
/*
* Copyright (c) 2025 Texas Instruments
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <freq.h>
&mcspi0 {
slow@0 {
compatible = "test-spi-loopback-slow";
reg = <0>;
spi-max-frequency = <DT_FREQ_K(500)>;
};
fast@0 {
compatible = "test-spi-loopback-fast";
reg = <0>;
spi-max-frequency = <DT_FREQ_M(50)>;
};
};