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dts: arm: nxp: rt118x: add lptmr instances

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Config/Enable lptmr1/2/3 clock
Add 3 lptmr instances for RT118X

Signed-off-by: Lucien Zhao <lucien.zhao@nxp.com>
This commit is contained in:
Lucien Zhao 2024-09-06 15:48:28 +08:00 • committed by Anas Nashif
commit e5ee95893c
2 changed files with 58 additions and 0 deletions
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33
dts/arm/nxp/nxp_rt118x.dtsi
View file

@ -630,6 +630,39 @@
clk-source = <0>;
status = "disabled";
};
lptmr1: lptmr@4300000 {
compatible = "nxp,lptmr";
reg = <0x4300000 0x1000>;
interrupts = <18 0>;
clock-frequency = <80000000>;
prescaler = <1>;
clk-source = <0>;
resolution = <32>;
status = "disabled";
};
lptmr2: lptmr@24d0000 {
compatible = "nxp,lptmr";
reg = <0x24d0000 0x1000>;
interrupts = <67 0>;
clock-frequency = <80000000>;
prescaler = <1>;
clk-source = <0>;
resolution = <32>;
status = "disabled";
};
lptmr3: lptmr@2cd0000 {
compatible = "nxp,lptmr";
reg = <0x2cd0000 0x1000>;
interrupts = <150 0>;
clock-frequency = <80000000>;
prescaler = <1>;
clk-source = <0>;
resolution = <32>;
status = "disabled";
};
};
&flexspi1 {

25
soc/nxp/imxrt/imxrt118x/soc.c
View file

@ -366,6 +366,31 @@ static ALWAYS_INLINE void clock_init(void)
#endif /* CONFIG_CAN_MCUX_FLEXCAN */
#if defined(CONFIG_MCUX_LPTMR_TIMER) || defined(CONFIG_COUNTER_MCUX_LPTMR)
#if DT_NODE_HAS_STATUS(DT_NODELABEL(lptmr1), okay)
/* Configure LPTIMER1 using SYS_PLL3_DIV2_CLK */
rootCfg.mux = kCLOCK_LPTIMER1_ClockRoot_MuxSysPll3Div2;
rootCfg.div = 3;
CLOCK_SetRootClock(kCLOCK_Root_Lptimer1, &rootCfg);
#endif
#if DT_NODE_HAS_STATUS(DT_NODELABEL(lptmr2), okay)
/* Configure LPTIMER2 using SYS_PLL3_DIV2_CLK */
rootCfg.mux = kCLOCK_LPTIMER2_ClockRoot_MuxSysPll3Div2;
rootCfg.div = 3;
CLOCK_SetRootClock(kCLOCK_Root_Lptimer2, &rootCfg);
#endif
#if DT_NODE_HAS_STATUS(DT_NODELABEL(lptmr3), okay)
/* Configure LPTIMER3 using SYS_PLL3_DIV2_CLK */
rootCfg.mux = kCLOCK_LPTIMER3_ClockRoot_MuxSysPll3Div2;
rootCfg.div = 3;
CLOCK_SetRootClock(kCLOCK_Root_Lptimer3, &rootCfg);
#endif
#endif /* CONFIG_MCUX_LPTMR_TIMER || CONFIG_COUNTER_MCUX_LPTMR */
/* Keep core clock ungated during WFI */
CCM->LPCG[1].LPM0 = 0x33333333;
CCM->LPCG[1].LPM1 = 0x33333333;