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boards: imx8mp_evk: add i2c support

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Added i2c3 support on imx8mp_evk A53 board.

Signed-off-by: Jiafei Pan <Jiafei.Pan@nxp.com>
This commit is contained in:
Jiafei Pan 2024-12-12 15:46:20 +08:00 • committed by Benjamin Cabé
commit ab25fdf1a9
3 changed files with 38 additions and 0 deletions
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18
soc/nxp/imx/imx8m/a53/soc.c
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@ -45,6 +45,12 @@ static void soc_rdc_init(void)
periphConfig.policy = RDC_DT_VAL(enet);
RDC_SetPeriphAccessConfig(rdc_inst, &periphConfig);
#endif
#if DT_NODE_HAS_STATUS_OKAY(DT_NODELABEL(i2c3)) && DT_NODE_HAS_PROP(DT_NODELABEL(i2c3), rdc)
periphConfig.periph = kRDC_Periph_I2C3;
periphConfig.policy = RDC_DT_VAL(i2c3);
RDC_SetPeriphAccessConfig(rdc_inst, &periphConfig);
#endif
}
#else
@ -52,7 +58,19 @@ static void soc_rdc_init(void)
#endif
static void soc_clock_init(void)
{
#if DT_NODE_HAS_STATUS_OKAY(DT_NODELABEL(i2c3))
/* Set I2C source to SysPLL1 Div5 160MHZ */
CLOCK_SetRootMux(kCLOCK_RootI2c3, kCLOCK_I2cRootmuxSysPll1Div5);
/* Set root clock to 160MHZ / 10 = 16MHZ */
CLOCK_SetRootDivider(kCLOCK_RootI2c3, 1U, 10U);
CLOCK_EnableClock(kCLOCK_I2c3);
#endif
}
void soc_prep_hook(void)
{
soc_rdc_init();
soc_clock_init();
}