diff options
| author | Bin Meng <bmeng.cn@gmail.com> | 2016-06-08 05:07:36 -0700 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2016-06-12 12:19:35 +0800 |
| commit | 2600ba6de07d80407308c632c7bfa3a538b36549 (patch) | |
| tree | 331811899db019871b33d03aa74a4e638afc6d0e /doc | |
| parent | f7a01e4848a97935985f58e5cd1b133dad298323 (diff) | |
| download | u-boot-2600ba6de07d80407308c632c7bfa3a538b36549.tar.gz | |
x86: Update x86-pinctrl driver device-tree-bindings doc
This updates the device-tree-bindings doc for x86-pinctrl driver:
- clarify "gpio-offset" is required only when "mode-gpio" is set
- correct property name "pull-strength"
- use tab instead of space at several places
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Stefan Roese <sr@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/device-tree-bindings/gpio/intel,x86-pinctrl.txt | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/doc/device-tree-bindings/gpio/intel,x86-pinctrl.txt b/doc/device-tree-bindings/gpio/intel,x86-pinctrl.txt index 22d3becb25..8c3a84caf8 100644 --- a/doc/device-tree-bindings/gpio/intel,x86-pinctrl.txt +++ b/doc/device-tree-bindings/gpio/intel,x86-pinctrl.txt @@ -9,7 +9,7 @@ The PINCTRL master node requires the following properties: Pin nodes must be children of the pinctrl master node and can contain the following properties: - pad-offset - (required) offset in the IOBASE for the pin to configure -- gpio-offset - (required) 2 cells +- gpio-offset - (required only when 'mode-gpio' is set) 2 cells - offset in the GPIOBASE for the pin to configure - the bit shift in this register (4 = bit 4) - mode-gpio - (optional) standalone property to force the pin into GPIO mode @@ -18,16 +18,16 @@ contain the following properties: in case of 'mode-gpio' property set: - output-value - (optional) this set the default output value of the GPIO - direction - (optional) this set the direction of the gpio -- pull-str - (optional) this set the pull strength of the pin +- pull-strength - (optional) this set the pull strength of the pin - pull-assign - (optional) this set the pull assignement (up/down) of the pin -- invert - (optional) this input pin is inverted +- invert - (optional) this input pin is inverted Example: pin_usb_host_en0@0 { - gpio-offset = <0x80 8>; - pad-offset = <0x260>; - mode-gpio; - output-value = <1>; - direction = <PIN_OUTPUT>; + gpio-offset = <0x80 8>; + pad-offset = <0x260>; + mode-gpio; + output-value = <1>; + direction = <PIN_OUTPUT>; }; |