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ARM: dts: am43xx: Fix inverted DS0_PULL_UP_DOWN_EN macro

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Due to a mistake in documentation the DS0_PULL_UP_DOWN_EN macro was
mistakenly defined as an active high bit, however setting the bit
actually disables the internal pull resistor on the pin, so correct this
macro and introduce a new DS0_PULL_UP_DOWN_DIS macro with the proper bit
value set now that the documentation has been updated.

Change based on AM437x Techninal Reference Manual SPRUHL7G Revised June
2017 Section 7.2.1.

Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Dave Gerlach 2017-12-13 15:24:43 -06:00 committed by Tony Lindgren
parent 17543a7561
commit 01ce880380
1 changed files with 2 additions and 1 deletions
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3
include/dt-bindings/pinctrl/am43xx.h
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@ -25,7 +25,8 @@
#define DS0_FORCE_OFF_MODE (1 << 24)
#define DS0_INPUT (1 << 25)
#define DS0_FORCE_OUT_HIGH (1 << 26)
#define DS0_PULL_UP_DOWN_EN (1 << 27)
#define DS0_PULL_UP_DOWN_EN (0 << 27)
#define DS0_PULL_UP_DOWN_DIS (1 << 27)
#define DS0_PULL_UP_SEL (1 << 28)
#define WAKEUP_ENABLE (1 << 29)