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tropic-community: Set FlexIO2 clocking for DShot

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This commit is contained in:
Peter van der Perk
2025-07-17 22:00:30 +02:00
parent 8edc071e8c
commit 7f2f71d99b
2 changed files with 17 additions and 0 deletions
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boards/nxp/tropic-community/nuttx-config/include/board.h
+3
View File
@@ -138,6 +138,9 @@
#define CONFIG_FLEXIO1_CLK 1
#define CONFIG_FLEXIO1_PRED_DIVIDER 5
#define CONFIG_FLEXIO1_PODF_DIVIDER 1
#define CONFIG_FLEXIO2_CLK 1
#define CONFIG_FLEXIO2_PRED_DIVIDER 5
#define CONFIG_FLEXIO2_PODF_DIVIDER 1
#define CONFIG_PLL3_PFD2_FRAC 16
#define BOARD_FLEXIO_PREQ 108000000
boards/nxp/tropic-community/src/init.c
+14
View File
@@ -301,6 +301,20 @@ void imxrt_flexio_clocking(void)
reg |= CCM_CDCDR_FLEXIO1_CLK_PRED
(CCM_PRED_FROM_DIVISOR(CONFIG_FLEXIO1_PRED_DIVIDER));
putreg32(reg, IMXRT_CCM_CDCDR);
reg = getreg32(IMXRT_CCM_CSCMR2);
reg &= ~(CCM_CSCMR2_FLEXIO2_CLK_SEL_MASK);
reg |= CCM_CSCMR2_FLEXIO2_CLK_SEL(CONFIG_FLEXIO2_CLK);
putreg32(reg, IMXRT_CCM_CSCMR2);
reg = getreg32(IMXRT_CCM_CS1CDR);
reg &= ~(CCM_CS1CDR_FLEXIO2_CLK_PRED_MASK |
CCM_CS1CDR_FLEXIO2_CLK_PODF_MASK);
reg |= CCM_CS1CDR_FLEXIO2_CLK_PODF
(CCM_PODF_FROM_DIVISOR(CONFIG_FLEXIO2_PODF_DIVIDER));
reg |= CCM_CS1CDR_FLEXIO2_CLK_PRED
(CCM_PRED_FROM_DIVISOR(CONFIG_FLEXIO2_PRED_DIVIDER));
putreg32(reg, IMXRT_CCM_CS1CDR);
}