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mimxrt1010: Increase max SPI speed #2925

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Merged
merged 1 commit into from
May 18, 2020
Merged

mimxrt1010: Increase max SPI speed #2925

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2 changes: 1 addition & 1 deletion ports/mimxrt10xx/common-hal/busio/SPI.c
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Original file line number Diff line number Diff line change
Expand Up @@ -58,7 +58,7 @@ STATIC void config_periph_pin(const mcu_periph_obj_t *periph) {
| IOMUXC_SW_PAD_CTL_PAD_SRE(0));
}

#define LPSPI_MASTER_CLK_FREQ (CLOCK_GetFreq(kCLOCK_Usb1PllPfd0Clk) / (CLOCK_GetDiv(kCLOCK_LpspiDiv)))
#define LPSPI_MASTER_CLK_FREQ (CLOCK_GetFreq(kCLOCK_Usb1PllPfd0Clk) / (CLOCK_GetDiv(kCLOCK_LpspiDiv) + 1))

void spi_reset(void) {
for (int i = 0; i < MAX_SPI; i++) {
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4 changes: 2 additions & 2 deletions ports/mimxrt10xx/peripherals/mimxrt10xx/MIMXRT1011/clocks.c
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Expand Up @@ -55,7 +55,7 @@
#define BOARD_BOOTCLOCKRUN_GPT2_IPG_CLK_HIGHFREQ 62500000UL
#define BOARD_BOOTCLOCKRUN_IPG_CLK_ROOT 125000000UL
#define BOARD_BOOTCLOCKRUN_LPI2C_CLK_ROOT 60000000UL
#define BOARD_BOOTCLOCKRUN_LPSPI_CLK_ROOT 105600000UL
#define BOARD_BOOTCLOCKRUN_LPSPI_CLK_ROOT 130900000UL
#define BOARD_BOOTCLOCKRUN_MQS_MCLK 63529411UL
#define BOARD_BOOTCLOCKRUN_PERCLK_CLK_ROOT 62500000UL
#define BOARD_BOOTCLOCKRUN_SAI1_CLK_ROOT 63529411UL
Expand Down Expand Up @@ -137,7 +137,7 @@ void clocks_init(void) {
CLOCK_DisableClock(kCLOCK_Lpspi1);
CLOCK_DisableClock(kCLOCK_Lpspi2);
/* Set LPSPI_PODF. */
CLOCK_SetDiv(kCLOCK_LpspiDiv, 7);
CLOCK_SetDiv(kCLOCK_LpspiDiv, 2);
/* Set Lpspi clock source. */
CLOCK_SetMux(kCLOCK_LpspiMux, 1);
/* Disable TRACE clock gate. */
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