soc: mimxrt11xx: Fix CAN peripheral for RT11xx
RT11xx can peripheral had incorrect clocking configuration in SOC clock
init code and DTS. Fix peripheral configuration.
Fixes #41251
Signed-off-by: Daniel DeGrasse <daniel.degrasse@nxp.com>
diff --git a/dts/arm/nxp/nxp_rt11xx.dtsi b/dts/arm/nxp/nxp_rt11xx.dtsi
index 5731890..7bc6f24 100644
--- a/dts/arm/nxp/nxp_rt11xx.dtsi
+++ b/dts/arm/nxp/nxp_rt11xx.dtsi
@@ -723,7 +723,7 @@
interrupts = <44 0>, <45 0>;
interrupt-names = "common", "error";
clocks = <&ccm IMX_CCM_CAN1_CLK 0x68 14>;
- clk-source = <2>;
+ clk-source = <0>;
label = "CAN_1";
sjw = <1>;
sample-point = <875>;
@@ -738,7 +738,7 @@
interrupts = <46 0>, <47 0>;
interrupt-names = "common", "error";
clocks = <&ccm IMX_CCM_CAN2_CLK 0x68 18>;
- clk-source = <2>;
+ clk-source = <0>;
label = "CAN_2";
sjw = <1>;
sample-point = <875>;
@@ -753,7 +753,7 @@
interrupts = <48 0>, <49 0>;
interrupt-names = "common", "error";
clocks = <&ccm IMX_CCM_CAN3_CLK 0x84 6>;
- clk-source = <2>;
+ clk-source = <0>;
label = "CAN_3";
sjw = <1>;
sample-point = <875>;
diff --git a/soc/arm/nxp_imx/rt/soc_rt11xx.c b/soc/arm/nxp_imx/rt/soc_rt11xx.c
index 7af431f..302b025 100644
--- a/soc/arm/nxp_imx/rt/soc_rt11xx.c
+++ b/soc/arm/nxp_imx/rt/soc_rt11xx.c
@@ -367,11 +367,19 @@
#endif
#ifdef CONFIG_CAN_MCUX_FLEXCAN
- /* Configure CAN3 using OSC_RC_400M */
- rootCfg.mux = kCLOCK_CAN3_ClockRoot_MuxOscRc400M;
- rootCfg.div = 5;
+#if DT_NODE_HAS_STATUS(DT_NODELABEL(flexcan1), okay)
+ /* Configure CAN1 using Osc48MDiv2 */
+ rootCfg.mux = kCLOCK_CAN1_ClockRoot_MuxOscRc48MDiv2;
+ rootCfg.div = 1;
+ CLOCK_SetRootClock(kCLOCK_Root_Can1, &rootCfg);
+#endif
+#if DT_NODE_HAS_STATUS(DT_NODELABEL(flexcan3), okay)
+ /* Configure CAN1 using Osc48MDiv2 */
+ rootCfg.mux = kCLOCK_CAN3_ClockRoot_MuxOscRc48MDiv2;
+ rootCfg.div = 1;
CLOCK_SetRootClock(kCLOCK_Root_Can3, &rootCfg);
#endif
+#endif
#ifdef CONFIG_COUNTER_MCUX_GPT
rootCfg.mux = kCLOCK_GPT1_ClockRoot_MuxOscRc48MDiv2;
