boards: nxp: frdm_mcxw71: Enable MCXW71 I2C Loopback
Enable and test I2C loopback with i2c_target_api Signed-off-by: Emilio Benavente <emilio.benavente@nxp.com>
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4 changed files with 52 additions and 0 deletions
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@ -32,6 +32,16 @@
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};
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};
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pinmux_lpi2c0: pinmux_lpi2c0 {
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group0 {
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pinmux = <LPI2C0_SCL_PTA19>,
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<LPI2C0_SDA_PTA18>;
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drive-strength = "low";
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slew-rate = "fast";
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drive-open-drain;
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};
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};
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pinmux_lpi2c1: pinmux_lpi2c1 {
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group0 {
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pinmux = <LPI2C1_SCL_PTB5>,
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@ -136,6 +136,10 @@ static ALWAYS_INLINE void clock_init(void)
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CLOCK_EnableClock(kCLOCK_PortA);
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}
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if (DT_NODE_HAS_COMPAT_STATUS(DT_NODELABEL(gpiob), nxp_kinetis_gpio, okay)) {
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CLOCK_EnableClock(kCLOCK_PortB);
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}
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if (DT_NODE_HAS_COMPAT_STATUS(DT_NODELABEL(gpioc), nxp_kinetis_gpio, okay)) {
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CLOCK_EnableClock(kCLOCK_PortC);
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}
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1
tests/drivers/i2c/i2c_target_api/boards/frdm_mcxw71.conf
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1
tests/drivers/i2c/i2c_target_api/boards/frdm_mcxw71.conf
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@ -0,0 +1 @@
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CONFIG_I2C_VIRTUAL=n
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37
tests/drivers/i2c/i2c_target_api/boards/frdm_mcxw71.overlay
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37
tests/drivers/i2c/i2c_target_api/boards/frdm_mcxw71.overlay
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@ -0,0 +1,37 @@
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/*
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* Copyright 2025 NXP
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/*
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* This is a looback setup for the frdm_mcxw71
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* To test this sample, connect J2.1 <-> J1.5 and J2.2 <-> J2.9
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*/
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&lpi2c1 {
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status = "okay";
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eeprom0: eeprom@54 {
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compatible = "zephyr,i2c-target-eeprom";
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reg = <0x54>;
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size = <256>;
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};
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};
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&lpi2c0 {
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status = "okay";
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pinctrl-0 = <&pinmux_lpi2c0>;
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pinctrl-names = "default";
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eeprom1: eeprom@56 {
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compatible = "zephyr,i2c-target-eeprom";
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reg = <0x56>;
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size = <256>;
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};
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};
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&gpiob {
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status = "okay";
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};
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&gpioa {
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status = "okay";
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};
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