* [PATCH V5] ASoC: cs42xx8: add reset-gpios in binding document
@ 2019-05-16 11:40 S.j. Wang
2019-05-16 11:46 ` [alsa-devel] " Fabio Estevam
0 siblings, 1 reply; 2+ messages in thread
From: S.j. Wang @ 2019-05-16 11:40 UTC (permalink / raw)
To: brian.austin, Paul.Handrigan, lgirdwood, broonie, perex, tiwai,
alsa-devel
Cc: linux-kernel
Add reset-gpios property, which is optional.
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
---
Changes in V5
- use GPIO_ACTIVE_LOW
Changes in V4
- use gpios instead of gpio
Changes in RESEND v3
- send updated binding document only
Changes in v3
- update binding document.
Changes in v2
- use devm_gpiod_get_optional instead of of_get_named_gpio
Documentation/devicetree/bindings/sound/cs42xx8.txt | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/Documentation/devicetree/bindings/sound/cs42xx8.txt b/Documentation/devicetree/bindings/sound/cs42xx8.txt
index 8619a156d038..bbfe39347c20 100644
--- a/Documentation/devicetree/bindings/sound/cs42xx8.txt
+++ b/Documentation/devicetree/bindings/sound/cs42xx8.txt
@@ -14,6 +14,11 @@ Required properties:
- VA-supply, VD-supply, VLS-supply, VLC-supply: power supplies for the device,
as covered in Documentation/devicetree/bindings/regulator/regulator.txt
+Optional properties:
+
+ - reset-gpios : a GPIO spec to define which pin is connected to the chip's
+ !RESET pin
+
Example:
cs42888: codec@48 {
@@ -25,4 +30,5 @@ cs42888: codec@48 {
VD-supply = <®_audio>;
VLS-supply = <®_audio>;
VLC-supply = <®_audio>;
+ reset-gpios = <&pca9557_b 1 GPIO_ACTIVE_LOW>;
};
--
2.21.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [alsa-devel] [PATCH V5] ASoC: cs42xx8: add reset-gpios in binding document
2019-05-16 11:40 [PATCH V5] ASoC: cs42xx8: add reset-gpios in binding document S.j. Wang
@ 2019-05-16 11:46 ` Fabio Estevam
0 siblings, 0 replies; 2+ messages in thread
From: Fabio Estevam @ 2019-05-16 11:46 UTC (permalink / raw)
To: S.j. Wang, Rob Herring,
open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS
Cc: brian.austin, Paul.Handrigan, lgirdwood, broonie, perex, tiwai,
alsa-devel, linux-kernel
[You should always submit dt-bindings patches to Rob and to the
devicetree list as indicated by checkpatch]
On Thu, May 16, 2019 at 8:42 AM S.j. Wang <shengjiu.wang@nxp.com> wrote:
>
> Add reset-gpios property, which is optional.
>
> Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
> +Optional properties:
> +
> + - reset-gpios : a GPIO spec to define which pin is connected to the chip's
> + !RESET pin
> +
> Example:
>
> cs42888: codec@48 {
> @@ -25,4 +30,5 @@ cs42888: codec@48 {
> VD-supply = <®_audio>;
> VLS-supply = <®_audio>;
> VLC-supply = <®_audio>;
> + reset-gpios = <&pca9557_b 1 GPIO_ACTIVE_LOW>;
Reviewed-by: Fabio Estevam <festevam@gmail.com>
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2019-05-16 11:46 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-05-16 11:40 [PATCH V5] ASoC: cs42xx8: add reset-gpios in binding document S.j. Wang
2019-05-16 11:46 ` [alsa-devel] " Fabio Estevam
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).