On Wed, Mar 6, 2013 at 12:49 AM, Thomas Abraham
<thomas.abraham@xxxxxxxxxx> wrote:
> Yes, I am currently held up with supporting default pin states at slot
> level. One option that could be considered is to list out the default
> pin states for all slots in the parent node of the slots. So it would
> be something like below as an example.
>
> dwmmc2@12220000 {
> <....>
>
> pinctrl-names = "slot0-default", "slot1-default";
> pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus4>;
> pinctrl-1 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus4 &sd2_bus8>;
>
> slot@0 {
> reg = <0>;
> bus-width = <4>;
> disable-wp;
> };
>
> slot@1 {
> reg = <0>;
> bus-width = <8>;
> disable-wp;
> };
> };
I don't quite understand the above. Is it such that there is one device,
with two slots, and in the device model you have represented this
two-slot device with a single struct device?
Have you considered just registering one device for each slot?
That would make things quite a lot simpler, just a single pinctrl
handle per device, right?
You need to pass this by Stephen Warren, I think he had a similar
case in the Tegra.
Yours,
Linus Walleij
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