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boards: frdm_mcxn947: Add support for I2C

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Add support for I2C

Signed-off-by: Mahesh Mahadevan <mahesh.mahadevan@nxp.com>
This commit is contained in:
Mahesh Mahadevan 2024-03-26 11:39:59 -05:00 • committed by Anas Nashif
commit 0a0b902b71
6 changed files with 35 additions and 0 deletions
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5
boards/nxp/frdm_mcxn947/board.c
View file

@ -99,6 +99,11 @@ static int frdm_mcxn947_init(void)
CLOCK_AttachClk(kFRO12M_to_FLEXCOMM1); CLOCK_AttachClk(kFRO12M_to_FLEXCOMM1);
#endif #endif
#if DT_NODE_HAS_STATUS(DT_NODELABEL(flexcomm2), okay)
CLOCK_SetClkDiv(kCLOCK_DivFlexcom2Clk, 1u);
CLOCK_AttachClk(kFRO12M_to_FLEXCOMM2);
#endif
#if DT_NODE_HAS_STATUS(DT_NODELABEL(flexcomm4), okay) #if DT_NODE_HAS_STATUS(DT_NODELABEL(flexcomm4), okay)
CLOCK_SetClkDiv(kCLOCK_DivFlexcom4Clk, 1u); CLOCK_SetClkDiv(kCLOCK_DivFlexcom4Clk, 1u);
CLOCK_AttachClk(kFRO12M_to_FLEXCOMM4); CLOCK_AttachClk(kFRO12M_to_FLEXCOMM4);

2
boards/nxp/frdm_mcxn947/doc/index.rst
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@ -64,6 +64,8 @@ The FRDM-MCXN947 board configuration supports the following hardware features:
+-----------+------------+-------------------------------------+ +-----------+------------+-------------------------------------+
| DMA | on-chip | dma | | DMA | on-chip | dma |
+-----------+------------+-------------------------------------+ +-----------+------------+-------------------------------------+
| I2C | on-chip | i2c |
+-----------+------------+-------------------------------------+
| CLOCK | on-chip | clock_control | | CLOCK | on-chip | clock_control |
+-----------+------------+-------------------------------------+ +-----------+------------+-------------------------------------+
| FLASH | on-chip | soc flash | | FLASH | on-chip | soc flash |

12
boards/nxp/frdm_mcxn947/frdm_mcxn947-pinctrl.dtsi
View file

@ -19,6 +19,18 @@
}; };
}; };
pinmux_flexcomm2_lpi2c: pinmux_flexcomm2_lpi2c {
group0 {
pinmux = <FC2_P0_PIO4_0>,
<FC2_P1_PIO4_1>;
slew-rate = "fast";
drive-strength = "low";
input-enable;
bias-pull-up;
drive-open-drain;
};
};
pinmux_flexcomm4_lpuart: pinmux_flexcomm4_lpuart { pinmux_flexcomm4_lpuart: pinmux_flexcomm4_lpuart {
group0 { group0 {
pinmux = <FC4_P0_PIO1_8>, pinmux = <FC4_P0_PIO1_8>,

7
boards/nxp/frdm_mcxn947/frdm_mcxn947.dtsi
View file

@ -5,6 +5,7 @@
*/ */
#include "frdm_mcxn947-pinctrl.dtsi" #include "frdm_mcxn947-pinctrl.dtsi"
#include <zephyr/dt-bindings/i2c/i2c.h>
/ { / {
aliases{ aliases{
@ -54,6 +55,12 @@
pinctrl-names = "default"; pinctrl-names = "default";
}; };
&flexcomm2_lpi2c2 {
pinctrl-0 = <&pinmux_flexcomm2_lpi2c>;
pinctrl-names = "default";
clock-frequency = <I2C_BITRATE_STANDARD>;
};
&flexcomm4_lpuart4 { &flexcomm4_lpuart4 {
current-speed = <115200>; current-speed = <115200>;
pinctrl-0 = <&pinmux_flexcomm4_lpuart>; pinctrl-0 = <&pinmux_flexcomm4_lpuart>;

8
boards/nxp/frdm_mcxn947/frdm_mcxn947_mcxn947_cpu0.dts
View file

@ -77,6 +77,14 @@
status = "okay"; status = "okay";
}; };
&flexcomm2 {
status = "okay";
};
&flexcomm2_lpi2c2 {
status = "okay";
};
&flexcomm4 { &flexcomm4 {
status = "okay"; status = "okay";
}; };

1
boards/nxp/frdm_mcxn947/frdm_mcxn947_mcxn947_cpu0.yaml
View file

@ -19,4 +19,5 @@ supported:
- gpio - gpio
- spi - spi
- dac - dac
- i2c
vendor: nxp vendor: nxp