| Message ID | 1479871767-20160-2-git-send-email-david@lechnology.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Wednesday 23 November 2016 08:59 AM, David Lechner wrote: > Device-tree bindings for TI DA8XX/OMAP-L138/AM18XX pullup/pulldown s/DA8XX/DA850. It looks like this support is absent from DA830. > pinconf controller. > > Signed-off-by: David Lechner <david@lechnology.com> Thanks, Sekhar
On Wed, Nov 23, 2016 at 4:29 AM, David Lechner <david@lechnology.com> wrote: > Device-tree bindings for TI DA8XX/OMAP-L138/AM18XX pullup/pulldown > pinconf controller. > > Signed-off-by: David Lechner <david@lechnology.com> Looks good to me. Yours, Linus Walleij
On Tue, Nov 22, 2016 at 09:29:25PM -0600, David Lechner wrote: > Device-tree bindings for TI DA8XX/OMAP-L138/AM18XX pullup/pulldown > pinconf controller. > > Signed-off-by: David Lechner <david@lechnology.com> > --- > .../devicetree/bindings/pinctrl/ti,da850-pupd.txt | 55 ++++++++++++++++++++++ > 1 file changed, 55 insertions(+) > create mode 100644 Documentation/devicetree/bindings/pinctrl/ti,da850-pupd.txt Acked-by: Rob Herring <robh@kernel.org>
diff --git a/Documentation/devicetree/bindings/pinctrl/ti,da850-pupd.txt b/Documentation/devicetree/bindings/pinctrl/ti,da850-pupd.txt new file mode 100644 index 0000000..7f29805 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/ti,da850-pupd.txt @@ -0,0 +1,55 @@ +* Pin configuration for TI DA850/OMAP-L138/AM18x + +These SoCs have a separate controller for setting bias (internal pullup/down). +Bias can only be selected for groups rather than individual pins. + +Required Properties: + + - compatible: Must be "ti,da850-pupd" + - reg: Base address and length of the memory resource used by the pullup/down + controller hardware module. + +The controller node also acts as a container for pin group configuration nodes. +The names of these groups are ignored. + +Pin Group Node Properties: + +- groups: An array of strings, each string containing the name of a pin group. + Valid names are "cp0".."cp31". + +The pin configuration parameters use the generic pinconf bindings defined in +pinctrl-bindings.txt in this directory. The supported parameters are +bias-disable, bias-pull-up, bias-pull-down. + + +Example +------- + +In common dtsi file: + + pinconf: pin-controller@22c00c { + compatible = "ti,da850-pupd"; + reg = <0x22c00c 0x8>; + }; + +In board-specific file: + + &pinconf { + pinctrl-0 = <&pinconf_bias_groups>; + pinctrl-names = "default"; + + pinconf_bias_groups: bias-groups { + pull-up { + groups = "cp30", "cp31"; + bias-pull-up; + }; + pull-down { + groups = "cp29", "cp28"; + bias-pull-down; + }; + disable { + groups = "cp27", "cp26"; + bias-disable; + }; + }; + };
Device-tree bindings for TI DA8XX/OMAP-L138/AM18XX pullup/pulldown pinconf controller. Signed-off-by: David Lechner <david@lechnology.com> --- .../devicetree/bindings/pinctrl/ti,da850-pupd.txt | 55 ++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 Documentation/devicetree/bindings/pinctrl/ti,da850-pupd.txt