0171-Pi3-DT-Add-pull-ups-on-the-UART-RX-lines.patch 1.1 KB

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  1. From 4231d2f39951636a1274bfca0073161478e6203b Mon Sep 17 00:00:00 2001
  2. From: Phil Elwell <phil@raspberrypi.org>
  3. Date: Tue, 8 Mar 2016 16:18:57 +0000
  4. Subject: [PATCH] Pi3 DT: Add pull-ups on the UART RX lines
  5. Signed-off-by: Phil Elwell <phil@raspberrypi.org>
  6. ---
  7. arch/arm/boot/dts/bcm2710-rpi-3-b.dts | 4 ++--
  8. arch/arm/boot/dts/overlays/pi3-miniuart-bt-overlay.dts | 2 +-
  9. 2 files changed, 3 insertions(+), 3 deletions(-)
  10. --- a/arch/arm/boot/dts/bcm2710-rpi-3-b.dts
  11. +++ b/arch/arm/boot/dts/bcm2710-rpi-3-b.dts
  12. @@ -53,13 +53,13 @@
  13. uart0_pins: uart0_pins {
  14. brcm,pins = <32 33>;
  15. brcm,function = <7>; /* alt3=UART0 */
  16. - brcm,pull = <0 0>;
  17. + brcm,pull = <0 2>;
  18. };
  19. uart1_pins: uart1_pins {
  20. brcm,pins = <14 15>;
  21. brcm,function = <2>; /* alt5=UART1 */
  22. - brcm,pull = <0 0>;
  23. + brcm,pull = <0 2>;
  24. };
  25. };
  26. --- a/arch/arm/boot/dts/overlays/pi3-miniuart-bt-overlay.dts
  27. +++ b/arch/arm/boot/dts/overlays/pi3-miniuart-bt-overlay.dts
  28. @@ -46,7 +46,7 @@
  29. uart1_pins: uart1_pins {
  30. brcm,pins = <32 33>;
  31. brcm,function = <2>; /* alt5=UART1 */
  32. - brcm,pull = <0 0>;
  33. + brcm,pull = <0 2>;
  34. };
  35. };
  36. };