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soc: nxp_rw6xx: Add support for XTAL32K clock

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This clock is used for certain peripherals such
as RTC.
On certain RW612 boards such as rd_rw612_bga, XTAL32K
and ENET share pins. Add code to check if ENET and
XTAL32 are enabled at the same time.

Signed-off-by: Mahesh Mahadevan <mahesh.mahadevan@nxp.com>
This commit is contained in:
Mahesh Mahadevan 2024-06-22 21:31:26 +01:00 • committed by Benjamin Cabé
commit 8fde2b75d7
2 changed files with 9 additions and 0 deletions
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5
soc/nxp/rw/Kconfig
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@ -55,4 +55,9 @@ endif # NXP_RW6XX_BOOT_HEADER
rsource "../common/Kconfig.flexspi_xip" rsource "../common/Kconfig.flexspi_xip"
rsource "../common/Kconfig.nbu" rsource "../common/Kconfig.nbu"
config XTAL32K
bool "Use the External 32K clock"
help
This clock is used by certain peripherals such as RTC.
endif # SOC_SERIES_RW6XX endif # SOC_SERIES_RW6XX

4
soc/nxp/rw/soc.c
View file

@ -201,6 +201,10 @@ __weak __ramfunc void clock_init(void)
#if (DT_NODE_HAS_COMPAT_STATUS(DT_NODELABEL(flexcomm14), nxp_lpc_i2c, okay)) && CONFIG_I2C #if (DT_NODE_HAS_COMPAT_STATUS(DT_NODELABEL(flexcomm14), nxp_lpc_i2c, okay)) && CONFIG_I2C
CLOCK_AttachClk(kSFRO_to_FLEXCOMM14); CLOCK_AttachClk(kSFRO_to_FLEXCOMM14);
#endif #endif
#if CONFIG_XTAL32K
CLOCK_EnableXtal32K(true);
CLOCK_AttachClk(kXTAL32K_to_CLK32K);
#endif
/* Clock flexcomms when used as SPI */ /* Clock flexcomms when used as SPI */
#ifdef CONFIG_SPI #ifdef CONFIG_SPI