Re: [PATCH RESEND] Documentation: devicetree: Clean up gpio-keys example

Am 08.03.2016 um 10:41 schrieb Julien Chauveau:

Le 8 mars 2016 à 09:54, Geert Uytterhoeven [off-list ref] a écrit :

quoted

On Mon, Mar 7, 2016 at 7:24 PM, Andreas Färber [off-list ref] wrote:

quoted

Drop #address-cells and #size-cells, which are not required by the
gpio-keys binding documentation, as button sub-nodes are not devices.

Reported-by: Julien Chauveau <redacted>
Signed-off-by: Andreas Färber <afaerber@suse.de>
---
Documentation/devicetree/bindings/input/gpio-keys.txt | 2 --
1 file changed, 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/input/gpio-keys.txt b/Documentation/devicetree/bindings/input/gpio-keys.txt
index 21641236c095..1552a11f6786 100644
--- a/Documentation/devicetree/bindings/input/gpio-keys.txt
+++ b/Documentation/devicetree/bindings/input/gpio-keys.txt

@@ -34,8 +34,6 @@ Example nodes:

       gpio_keys {
                       compatible = "gpio-keys";
-                       #address-cells = <1>;
-                       #size-cells = <0>;
                       autorepeat;
                       button@21 {

FYI, with "[PATCH] scripts/dtc: Update to upstream version 53bf130b1cdd":
(http://www.spinics.net/lists/devicetree/msg117206.html) applied:

Warning (unit_address_vs_reg): Node /keyboard/button@21 has a unit
name, but no reg property

Hi Andreas,
This means you can also drop the unit-address (the @21 part) for the button.
What about using a more relevant name like "key_up" instead of "button"?

Or in my case power-key or power-button. Or would just power suffice?

The Landingship baseboard does have four more buttons not yet enabled,
so I do need some way to distinguish nodes.

Regards,
Andreas

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