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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
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 # i.MX RT5XX Series
# Copyright (c) 2022, NXP # Copyright 2022-2023, NXP
# SPDX-License-Identifier: Apache-2.0 # SPDX-License-Identifier: Apache-2.0
choice choice
@ -129,4 +129,16 @@ config IMXRT5XX_CODE_CACHE
Enable code cache for FlexSPI region at boot. If this Kconfig is Enable code cache for FlexSPI region at boot. If this Kconfig is
cleared, the CACHE64 controller will be disabled during SOC init 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 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 */ /* Switch SYSTICK_CLK to MAIN_CLK_DIV */
CLOCK_AttachClk(kMAIN_CLK_DIV_to_SYSTICK_CLK); CLOCK_AttachClk(kMAIN_CLK_DIV_to_SYSTICK_CLK);
#if DT_NODE_HAS_COMPAT_STATUS(DT_NODELABEL(flexcomm0), nxp_lpc_usart, okay) #if DT_NODE_HAS_COMPAT_STATUS(DT_NODELABEL(flexcomm0), nxp_lpc_usart, okay)
/* Switch FLEXCOMM0 to FRG */ #ifdef CONFIG_FLEXCOMM0_CLK_SRC_FRG
CLOCK_AttachClk(kFRG_to_FLEXCOMM0); /* Switch FLEXCOMM0 to FRG */
CLOCK_AttachClk(kFRG_to_FLEXCOMM0);
#elif defined(CONFIG_FLEXCOMM0_CLK_SRC_FRO)
CLOCK_AttachClk(kFRO_DIV4_to_FLEXCOMM0);
#endif
#endif #endif
#if CONFIG_USB_DC_NXP_LPCIP3511 #if CONFIG_USB_DC_NXP_LPCIP3511
usb_device_clock_init(); usb_device_clock_init();