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boards: nxp/frdm_mcxn947: Support LPCMP for NXP frdm_mcxn947 board

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Support LPCMP for NXP frdm_mcxn947 board

Signed-off-by: Zhaoxiang Jin <Zhaoxiang.Jin_1@nxp.com>
This commit is contained in:
Zhaoxiang Jin 2024-04-24 19:16:43 +08:00 • committed by David Leach
commit ea8eea4dc3
5 changed files with 26 additions and 0 deletions
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6
boards/nxp/frdm_mcxn947/board.c
View file

@ -268,6 +268,12 @@ static int frdm_mcxn947_init(void)
USB_EhciPhyInit(kUSB_ControllerEhci0, BOARD_XTAL0_CLK_HZ, &usbPhyConfig);
#endif
#if DT_NODE_HAS_STATUS(DT_NODELABEL(lpcmp0), okay)
CLOCK_SetClkDiv(kCLOCK_DivCmp0FClk, 1U);
CLOCK_AttachClk(kFRO12M_to_CMP0F);
SPC_EnableActiveModeAnalogModules(SPC0, (kSPC_controlCmp0 | kSPC_controlCmp0Dac));
#endif
/* Set SystemCoreClock variable. */
SystemCoreClock = CLOCK_INIT_CORE_CLOCK;

2
boards/nxp/frdm_mcxn947/doc/index.rst
View file

@ -90,6 +90,8 @@ The FRDM-MCXN947 board configuration supports the following hardware features:
+-----------+------------+-------------------------------------+
| USBHS | on-chip | USB device |
+-----------+------------+-------------------------------------+
| LPCMP | on-chip | sensor(comparator) |
+-----------+------------+-------------------------------------+
Targets available
==================

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

@ -157,4 +157,13 @@
drive-strength = "low";
};
};
pinmux_lpcmp0: pinmux_lpcmp0 {
group0 {
pinmux = <CMP0_IN0_PIO1_0>;
drive-strength = "low";
slew-rate = "fast";
bias-pull-up;
};
};
};

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

@ -191,3 +191,8 @@
pinctrl-0 = <&pinmux_lpadc0>;
pinctrl-names = "default";
};
&lpcmp0 {
pinctrl-0 = <&pinmux_lpcmp0>;
pinctrl-names = "default";
};

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

@ -165,3 +165,7 @@
zephyr_udc0: &usb1 {
status = "okay";
};
&lpcmp0 {
status = "okay";
};