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SubjectRe: [PATCH V2 5/6] dt: Document Tegra20/30 pinctrl binding
On Wed, Mar 21, 2012 at 01:44:38AM +0800, Stephen Warren wrote:
> Define a new binding for the Tegra pin controller, which is capable of
> defining all aspects of desired pin multiplexing and pin configuration.
> This is all based on the new common pinctrl bindings.
>
> Add Tegra30 binding based on Tegra20 binding.
>
> Add some basic stuff that was missing before:
> * How many and what reg property entries must be provided.
> * An example.
>
> Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
> ---
........
> +Example board file extract:
> +
> + pinctrl@70000000 {
> + sdio4_default {
> + atb {
> + nvidia,pins = "atb", "gma", "gme";
> + nvidia,function = "sdio4";
> + nvidia,pull = <0>;
> + nvidia,tristate = <0>;
> + };
> + };
> + };
> +
> + sdhci@c8000600 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&sdio4_default>;
A typo error? sdio4_default is not a phandle.

> +Example board file extract:
> +
> + pinctrl@70000000 {
> + sdmmc4_default: pinmux {
> + sdmmc4_clk_pcc4 {
> + nvidia,pins = "sdmmc4_clk_pcc4",
> + "sdmmc4_rst_n_pcc3";
> + nvidia,function = "sdmmc4";
> + nvidia,pull = <0>;
> + nvidia,tristate = <0>;
> + };
> + sdmmc4_dat0_paa0 {
> + nvidia,pins = "sdmmc4_dat0_paa0",
> + "sdmmc4_dat1_paa1",
> + "sdmmc4_dat2_paa2",
> + "sdmmc4_dat3_paa3",
> + "sdmmc4_dat4_paa4",
> + "sdmmc4_dat5_paa5",
> + "sdmmc4_dat6_paa6",
> + "sdmmc4_dat7_paa7";
> + nvidia,function = "sdmmc4";
> + nvidia,pull = <2>;
> + nvidia,tristate = <0>;
It seems it does not support per pin config for tegra30 and we have to
separate them in different nodes with same group config value, right?

Regards
Dong Aisheng



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