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boards: nxp/frdm_mcxn947: Support lpadc for NXP frdm_mcxn947

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Support lpadc for NXP frdm_mcxn947

Signed-off-by: Zhaoxiang Jin <Zhaoxiang.Jin_1@nxp.com>
This commit is contained in:
Zhaoxiang Jin 2024-04-18 16:45:52 +08:00 • committed by Carles Cufí
commit 85087e2d5d
6 changed files with 26 additions and 0 deletions
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5
boards/nxp/frdm_mcxn947/board.c
View file

@ -210,6 +210,11 @@ static int frdm_mcxn947_init(void)
SPC_EnableActiveModeAnalogModules(SPC0, kSPC_controlVref); SPC_EnableActiveModeAnalogModules(SPC0, kSPC_controlVref);
#endif #endif
#if DT_NODE_HAS_STATUS(DT_NODELABEL(lpadc0), okay)
CLOCK_SetClkDiv(kCLOCK_DivAdc0Clk, 1U);
CLOCK_AttachClk(kFRO_HF_to_ADC0);
#endif
/* Set SystemCoreClock variable. */ /* Set SystemCoreClock variable. */
SystemCoreClock = CLOCK_INIT_CORE_CLOCK; SystemCoreClock = CLOCK_INIT_CORE_CLOCK;

2
boards/nxp/frdm_mcxn947/doc/index.rst
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@ -86,6 +86,8 @@ The FRDM-MCXN947 board configuration supports the following hardware features:
+-----------+------------+-------------------------------------+ +-----------+------------+-------------------------------------+
| VREF | on-chip | REGULATOR | | VREF | on-chip | REGULATOR |
+-----------+------------+-------------------------------------+ +-----------+------------+-------------------------------------+
| ADC | on-chip | adc |
+-----------+------------+-------------------------------------+
Targets available Targets available
================== ==================

9
boards/nxp/frdm_mcxn947/frdm_mcxn947-pinctrl.dtsi
View file

@ -148,4 +148,13 @@
input-enable; input-enable;
}; };
}; };
pinmux_lpadc0: pinmux_lpadc0 {
group0 {
pinmux = <ADC0_A2_PIO4_23>,
<ADC0_A1_PIO4_15>,
<ADC0_B1_PIO4_19>;
slew-rate = "fast";
drive-strength = "low";
};
};
}; };

5
boards/nxp/frdm_mcxn947/frdm_mcxn947.dtsi
View file

@ -183,3 +183,8 @@
pinctrl-names = "default", "slow", "med"; pinctrl-names = "default", "slow", "med";
no-1-8-v; no-1-8-v;
}; };
&lpadc0 {
pinctrl-0 = <&pinmux_lpadc0>;
pinctrl-names = "default";
};

4
boards/nxp/frdm_mcxn947/frdm_mcxn947_mcxn947_cpu0.dts
View file

@ -157,3 +157,7 @@
&vref { &vref {
status = "okay"; status = "okay";
}; };
&lpadc0 {
status = "okay";
};

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

@ -25,4 +25,5 @@ supported:
- counter - counter
- sdhc - sdhc
- regulator - regulator
- adc
vendor: nxp vendor: nxp