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| author | Trent Piepho <trent.piepho@synapse.com> | 2020-09-25 16:43:15 -0700 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2020-09-29 09:04:34 +0200 |
| commit | 8974923296b8938741c8b1161771547b8d11ce56 (patch) | |
| tree | bc1386368c012dce41deee5df16a6f8faef397a9 /arch | |
| parent | c6347aed39e3305198d919b15fe8887154b4ebbf (diff) | |
| download | barebox-8974923296b8938741c8b1161771547b8d11ce56.tar.gz barebox-8974923296b8938741c8b1161771547b8d11ce56.tar.xz | |
ARM: beaglebone: Enable ADC
On the BeagleBone Black, enable the dts node for the TSC/ADC. Add a
simple configuration that maps all eight channels in order. AIN[0:6]
are exposed on connector P9, while AIN7 measures the 3.3V rail divided
by 2.
Signed-off-by: Trent Piepho <trent.piepho@synapse.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/dts/am335x-boneblack.dts | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/dts/am335x-boneblack.dts b/arch/arm/dts/am335x-boneblack.dts index 80d710b924..c06a532e48 100644 --- a/arch/arm/dts/am335x-boneblack.dts +++ b/arch/arm/dts/am335x-boneblack.dts @@ -85,3 +85,13 @@ status = "okay"; }; }; + +&tscadc { + status = "okay"; + adc { + /* Ch 0-6 are on connector P9. Ch 7 measures the 3.3V rail + * divided by 2 (e.g., it should read 1650). + */ + ti,adc-channels = <0>, <1>, <2>, <3>, <4>, <5>, <6>, <7>; + }; +}; |