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Diffstat (limited to 'arch/x86/dts/bayleybay.dts')
| -rw-r--r-- | arch/x86/dts/bayleybay.dts | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/x86/dts/bayleybay.dts b/arch/x86/dts/bayleybay.dts index 1c2f6710be..c8907ce44b 100644 --- a/arch/x86/dts/bayleybay.dts +++ b/arch/x86/dts/bayleybay.dts @@ -68,6 +68,21 @@ pch_pinctrl { compatible = "intel,x86-pinctrl"; reg = <0 0>; + + /* + * As of today, the latest version FSP (gold4) for BayTrail + * misses the PAD configuration of the SD controller's Card + * Detect signal. The default PAD value for the CD pin sets + * the pin to work in GPIO mode, which causes card detect + * status cannot be reflected by the Present State register + * in the SD controller (bit 16 & bit 18 are always zero). + * + * Configure this pin to function 1 (SD controller). + */ + sdmmc3_cd@0 { + pad-offset = <0x3a0>; + mode-func = <1>; + }; }; pci { |