diff options
author | Philippe Schenker <philippe.schenker@toradex.com> | 2020-05-08 12:08:45 +0200 |
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committer | Philippe Schenker <philippe.schenker@toradex.com> | 2020-05-08 12:08:45 +0200 |
commit | 40a2b67bbffaf40fdb862ae74493dcbc42513605 (patch) | |
tree | 742d0024d7647cf966416c107f83fbfb078a68d0 | |
parent | b2a473cbef540ce6ce256ed12912e81643035a3d (diff) |
ARM: dts: colibri-imx6ull: Use pull-down for adc pins
As suggested by the reference manual in a note in chapter 13.2
this commit disables the keeper and enables a 100k pull-down on the
adc pins.
Related-to: ELB-2690
Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>
(cherry picked from commit d5a3675860d03d783689de3ed7cb3dec27e6a155)
-rw-r--r-- | arch/arm/boot/dts/imx6ull-colibri.dtsi | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx6ull-colibri.dtsi b/arch/arm/boot/dts/imx6ull-colibri.dtsi index 878bb7a67638..f090d967415b 100644 --- a/arch/arm/boot/dts/imx6ull-colibri.dtsi +++ b/arch/arm/boot/dts/imx6ull-colibri.dtsi @@ -106,6 +106,8 @@ &adc1 { num-channels = <10>; vref-supply = <®_module_3v3_avdd>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_adc1>; }; @@ -229,6 +231,15 @@ &iomuxc { imx6ull-colibri { + pinctrl_adc1: adc1grp { + fsl,pins = < + MX6UL_PAD_GPIO1_IO00__GPIO1_IO00 0x3000 /* SODIMM 8 */ + MX6UL_PAD_GPIO1_IO01__GPIO1_IO01 0x3000 /* SODIMM 6 */ + MX6UL_PAD_GPIO1_IO08__GPIO1_IO08 0x3000 /* SODIMM 4 */ + MX6UL_PAD_GPIO1_IO09__GPIO1_IO09 0x3000 /* SODIMM 2 */ + >; + }; + pinctrl_hog_1: hoggrp-1 { fsl,pins = < MX6UL_PAD_UART3_RX_DATA__GPIO1_IO25 0X14 /* SODIMM 77 */ |