[PATCH v8 06/12] pinctrl: single: create new gpio function range
Tony Lindgren
tony at atomide.com
Wed Feb 13 13:39:31 EST 2013
* Haojian Zhuang <haojian.zhuang at linaro.org> [130211 09:15]:
> Since gpio driver could create gpio range in DTS, it could invokes
> pinctrl_request_gpio(). In the pinctrl-single driver, it needs to
> configure pins with gpio function mode.
Minor typo above: s/invokes/invoke/
> A new gpio function range should be created in DTS file in below.
>
> pinctrl-single,gpio-range = <phandle pin_offset nr_pins gpio_func>;
>
> range: gpio-range {
> #pinctrl-single,gpio-range-cells = <3>;
> };
>
> The gpio-ranges property is used in gpio driver and the
> pinctrl-single,gpio-range property is used in pinctrl-single driver.
>
> 1. gpio-ranges = <phandle gpio_offset_in_chip pin_offset nr_pins>
> gpio-ranges = < &pmx0 0 89 1 &pmx0 1 89 1 &pmx0 2 90 1
> &pmx0 3 90 1 &pmx0 4 91 1 &pmx0 5 92 1>;
I think the second gpio-ranges above should be really
pinctr-single,gpio-range instead of gpio-ranges?
> 2. gpio driver could get pin offset from gpio-ranges property.
> pinctrl-single driver could get gpio function mode from gpio_func
> that is stored in @gpiofuncs list in struct pcs_device.
> This new pinctrl-single,gpio-range is used as complement for
> gpio-ranges property in gpio driver.
Other than that looks OK to me. Assuming the other related GPIO patches
are fine and don't cause changes to this:
Acked-by: Tony Lindgren <tony at atomide.com>
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