Messages in this thread | | | From | Linus Walleij <> | Date | Thu, 22 Feb 2018 16:34:22 +0100 | Subject | Re: [PATCH] ARM: dts: da850: use gpio-ranges |
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On Mon, Feb 19, 2018 at 11:29 PM, David Lechner <david@lechnology.com> wrote:
> This makes use of the gpio-ranges feature that connects GPIO > controllers and PINMUX controllers. > > In da850.dtsi, pinctrl-single,gpio-range is added to the pinmux node > and gpio-ranges is added to the GPIO node. Unfortunately, the way the > pinctrl-single driver enumerates the pins (starting with LSB) causes > them to be in reverse order compared to the way the gpios are assigned. > As a result, we have to declare the mapping for each GPIO individually. > > This also lets us remove all of the GPIO pinmuxes from > da850-lego-ev3.dts. (Other da850 boards do not currently have any > GPIO pinmuxes declared.) > > Signed-off-by: David Lechner <david@lechnology.com>
Nice, Acked-by: Linus Walleij <linus.wallei@linaro.org>
> + gpio-ranges = <&pmx_core 0 15 1>, > + <&pmx_core 1 14 1>, > + <&pmx_core 2 13 1>, > + <&pmx_core 3 12 1>, > + <&pmx_core 4 11 1>, > + <&pmx_core 5 10 1>, > + <&pmx_core 6 9 1>, > + <&pmx_core 7 8 1>, > + <&pmx_core 8 7 1>, > + <&pmx_core 9 6 1>, > + <&pmx_core 10 5 1>, > + <&pmx_core 11 4 1>, > + <&pmx_core 12 3 1>, > + <&pmx_core 13 2 1>, > + <&pmx_core 14 1 1>, > + <&pmx_core 15 0 1>,
Heh the map moves backward how funny.
Sorry that we don't have an option to map that any better in the ranges but hey, this works.
Yours, Linus Walleij
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