diff options
| author | Jonathan McDowell <[email protected]> | 2023-05-10 13:02:02 +0100 |
|---|---|---|
| committer | Jernej Skrabec <[email protected]> | 2023-05-31 23:13:46 +0200 |
| commit | c7ea52ed614227a3e3eaafdbd7b477d0129ab6ed (patch) | |
| tree | c6d4d2086eb66f7d104e747a763b57d7459f77d9 | |
| parent | efb09e4ea81a7d513e3c4c81b8108c2b8066bc66 (diff) | |
ARM: dts: sun5i: Add port E pinmux settings for mmc2
These alternate pins for mmc2 are brought out to the 40 pin U14 header
on the C.H.I.P and can be used to add an external MMC device with a 4
bit interface. See
https://byteporter.com/ntc-chip-micro-sd-slot/
for further details on how.
Signed-off-by: Jonathan McDowell <[email protected]>
Reviewed-by: Jernej Skrabec <[email protected]>
Link: https://lore.kernel.org/r/7949169f581cab37175602188f44bc26e79a45c0.1683719613.git.noodles@earth.li
Signed-off-by: Jernej Skrabec <[email protected]>
| -rw-r--r-- | arch/arm/boot/dts/sun5i.dtsi | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/sun5i.dtsi b/arch/arm/boot/dts/sun5i.dtsi index 2f901a013676..d7c7b454a11a 100644 --- a/arch/arm/boot/dts/sun5i.dtsi +++ b/arch/arm/boot/dts/sun5i.dtsi @@ -517,6 +517,15 @@ bias-pull-up; }; + /omit-if-no-ref/ + mmc2_4bit_pe_pins: mmc2-4bit-pe-pins { + pins = "PE4", "PE5", "PE6", "PE7", + "PE8", "PE9"; + function = "mmc2"; + drive-strength = <30>; + bias-pull-up; + }; + mmc2_8bit_pins: mmc2-8bit-pins { pins = "PC6", "PC7", "PC8", "PC9", "PC10", "PC11", "PC12", "PC13", |