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dts: arm: nxp: rt118x: add flexcan instances

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Enable flexcan clocks
add 3 flexcan instances

Signed-off-by: Lucien Zhao <lucien.zhao@nxp.com>
This commit is contained in:
Lucien Zhao 2024-08-30 23:11:44 +08:00 • committed by Henrik Brix Andersen
commit ef4ff8eb2c
2 changed files with 55 additions and 0 deletions
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30
dts/arm/nxp/nxp_rt118x.dtsi
View file

@ -602,6 +602,36 @@
status = "disabled"; status = "disabled";
}; };
}; };
flexcan1: can@43a0000 {
compatible = "nxp,flexcan-fd", "nxp,flexcan";
reg = <0x43a0000 0x1000>;
interrupts = <8 0>, <9 0>;
interrupt-names = "common", "error";
clocks = <&ccm IMX_CCM_CAN1_CLK 0x68 14>;
clk-source = <0>;
status = "disabled";
};
flexcan2: can@25b0000 {
compatible = "nxp,flexcan-fd", "nxp,flexcan";
reg = <0x25b0000 0x1000>;
interrupts = <51 0>, <52 0>;
interrupt-names = "common", "error";
clocks = <&ccm IMX_CCM_CAN2_CLK 0x68 18>;
clk-source = <0>;
status = "disabled";
};
flexcan3: can@45b0000 {
compatible = "nxp,flexcan-fd", "nxp,flexcan";
reg = <0x45b0000 0x1000>;
interrupts = <191 0>, <192 0>;
interrupt-names = "common", "error";
clocks = <&ccm IMX_CCM_CAN3_CLK 0x84 6>;
clk-source = <0>;
status = "disabled";
};
}; };
&flexspi1 { &flexspi1 {

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

@ -341,6 +341,31 @@ static ALWAYS_INLINE void clock_init(void)
BLK_CTRL_WAKEUPMIX_NETC_PORT_MISC_CFG_TMR_EXT_CLK_SEL_MASK; BLK_CTRL_WAKEUPMIX_NETC_PORT_MISC_CFG_TMR_EXT_CLK_SEL_MASK;
#endif #endif
#ifdef CONFIG_CAN_MCUX_FLEXCAN
#if DT_NODE_HAS_STATUS(DT_NODELABEL(flexcan1), okay)
/* Configure CAN1 using MuxSysPll3Out */
rootCfg.mux = kCLOCK_CAN1_ClockRoot_MuxSysPll3Out;
rootCfg.div = 6;
CLOCK_SetRootClock(kCLOCK_Root_Can1, &rootCfg);
#endif
#if DT_NODE_HAS_STATUS(DT_NODELABEL(flexcan2), okay)
/* Configure CAN2 using MuxSysPll3Out */
rootCfg.mux = kCLOCK_CAN2_ClockRoot_MuxSysPll3Out;
rootCfg.div = 6;
CLOCK_SetRootClock(kCLOCK_Root_Can2, &rootCfg);
#endif
#if DT_NODE_HAS_STATUS(DT_NODELABEL(flexcan3), okay)
/* Configure CAN3 using MuxSysPll3Out */
rootCfg.mux = kCLOCK_CAN3_ClockRoot_MuxSysPll3Out;
rootCfg.div = 6;
CLOCK_SetRootClock(kCLOCK_Root_Can3, &rootCfg);
#endif
#endif /* CONFIG_CAN_MCUX_FLEXCAN */
/* Keep core clock ungated during WFI */ /* Keep core clock ungated during WFI */
CCM->LPCG[1].LPM0 = 0x33333333; CCM->LPCG[1].LPM0 = 0x33333333;
CCM->LPCG[1].LPM1 = 0x33333333; CCM->LPCG[1].LPM1 = 0x33333333;