mmc: Kconfig: Add FSL_ESDHC_USE_PERIPHERAL_CLK option
NXP fsl_esdhc controller supports two reference clocks:
platform clock and peripheral clock
Peripheral clock can provide higher clock frequency
which is required to be used for tuning of SD UHS mode
and eMMC HS200/HS400 modes.
Peripheral clock is enabled by default by defining config
option FSL_ESDHC_USE_PERIPHERAL_CLK if eMMC HS200/HS400 modes
are supported.
Signed-off-by: Yinbo Zhu <yinbo.zhu@nxp.com>
Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>
diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig
index 8fb2bfa..7361bca 100644
--- a/drivers/mmc/Kconfig
+++ b/drivers/mmc/Kconfig
@@ -167,7 +167,6 @@
The HS200 mode is support by some eMMC. The bus frequency is up to
200MHz. This mode requires tuning the IO.
-
config SPL_MMC_HS200_SUPPORT
bool "enable HS200 support in SPL"
help
@@ -695,10 +694,19 @@
config FSL_ESDHC
bool "Freescale/NXP eSDHC controller support"
+ select FSL_ESDHC_USE_PERIPHERAL_CLK if MMC_HS200_SUPPORT || MMC_UHS_SUPPORT
help
This selects support for the eSDHC (Enhanced Secure Digital Host
Controller) found on numerous Freescale/NXP SoCs.
+config FSL_ESDHC_USE_PERIPHERAL_CLK
+ bool "enable ESDHC peripheral clock support"
+ depends on FSL_ESDHC
+ help
+ eSDHC supports two reference clocks (platform clock and peripheral clock).
+ Peripheral clock which could provide higher clock frequency is required to
+ be used for tuning of SD UHS mode and eMMC HS200/HS400 modes.
+
config FSL_ESDHC_IMX
bool "Freescale/NXP i.MX eSDHC controller support"
help