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soc: arm: nxp_imx: r5xx: add Kconfig to clock FC0 from FRO

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Flexcomm0 has option to clock from FRO.

Signed-off-by: Derek Snell <derek.snell@nxp.com>
This commit is contained in:
Derek Snell 2023-09-13 15:51:11 -04:00 committed by Carles Cufí
parent b2626faced
commit 3f2ded3455
2 changed files with 19 additions and 3 deletions
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14
soc/arm/nxp_imx/rt5xx/Kconfig.soc
View file

@ -1,6 +1,6 @@
# i.MX RT5XX Series
# Copyright (c) 2022, NXP
# Copyright 2022-2023, NXP
# SPDX-License-Identifier: Apache-2.0
choice
@ -129,4 +129,16 @@ config IMXRT5XX_CODE_CACHE
Enable code cache for FlexSPI region at boot. If this Kconfig is
cleared, the CACHE64 controller will be disabled during SOC init
choice FLEXCOMM0_CLK_SRC
prompt "Clock source for Flexcomm0"
default FLEXCOMM0_CLK_SRC_FRG
config FLEXCOMM0_CLK_SRC_FRG
bool "FRG is source of Flexcomm0 clock"
config FLEXCOMM0_CLK_SRC_FRO
bool "FRO_DIV4 is source of Flexcomm0 clock"
endchoice
endif # SOC_SERIES_IMX_RT5XX

8
soc/arm/nxp_imx/rt5xx/soc.c
View file

@ -281,8 +281,12 @@ void __weak rt5xx_clock_init(void)
/* Switch SYSTICK_CLK to MAIN_CLK_DIV */
CLOCK_AttachClk(kMAIN_CLK_DIV_to_SYSTICK_CLK);
#if DT_NODE_HAS_COMPAT_STATUS(DT_NODELABEL(flexcomm0), nxp_lpc_usart, okay)
/* Switch FLEXCOMM0 to FRG */
CLOCK_AttachClk(kFRG_to_FLEXCOMM0);
#ifdef CONFIG_FLEXCOMM0_CLK_SRC_FRG
/* Switch FLEXCOMM0 to FRG */
CLOCK_AttachClk(kFRG_to_FLEXCOMM0);
#elif defined(CONFIG_FLEXCOMM0_CLK_SRC_FRO)
CLOCK_AttachClk(kFRO_DIV4_to_FLEXCOMM0);
#endif
#endif
#if CONFIG_USB_DC_NXP_LPCIP3511
usb_device_clock_init();