arm: dts: overlays: document sdio-pi5

Enables 4-pin SD on GPIO22-27 on Pi 5. Signed-off-by: Jonathan Bell <[email protected]>
raspberrypi · Nov 8, 2023 · 45a110f · 45a110f
1 parent d886bae
commit 45a110f
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/arch/arm/boot/dts/overlays/README b/arch/arm/boot/dts/overlays/README
@@ -3935,6 +3935,11 @@ Info:   This overlay is now deprecated. Use
         "dtoverlay=sdio,bus_width=1,gpios_22_25" instead.
 Load:   <Deprecated>
 
+Name:   sdio-pi5
+Info:   Selects the rp1_mmc0 interface and enables it on GPIOs 22-27.
+        Pi 5 only.
+Load:   dtoverlay=sdio-pi5
+Param:  <none>
 
 Name:   sdtweak
 Info:   This overlay is now deprecated. Use the sd_* dtparams in the