* [PATCH] ARM: Gumstix DuoVero: Bind vdac regulator to hdmi node
@ 2014-11-13 18:04 Adam YH Lee
2014-11-21 23:53 ` Tony Lindgren
0 siblings, 1 reply; 2+ messages in thread
From: Adam YH Lee @ 2014-11-13 18:04 UTC (permalink / raw)
To: linux-arm-kernel
The HDMI node does not have a power supply attached. As a result its
power regulator, VDAC, shuts off on boot and screen loses signal.
This attaches VDAC (vdda_hdmi_dac) to HDMI's vdda-supply.
Signed-off-by: Adam YH Lee <adam.yh.lee@gmail.com>
---
arch/arm/boot/dts/omap4-duovero-parlor.dts | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm/boot/dts/omap4-duovero-parlor.dts b/arch/arm/boot/dts/omap4-duovero-parlor.dts
index 6dc84d9..1a78f01 100644
--- a/arch/arm/boot/dts/omap4-duovero-parlor.dts
+++ b/arch/arm/boot/dts/omap4-duovero-parlor.dts
@@ -177,6 +177,7 @@
&hdmi {
status = "ok";
+ vdda-supply = <&vdac>;
pinctrl-names = "default";
pinctrl-0 = <&dss_hdmi_pins>;
--
1.9.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [PATCH] ARM: Gumstix DuoVero: Bind vdac regulator to hdmi node
2014-11-13 18:04 [PATCH] ARM: Gumstix DuoVero: Bind vdac regulator to hdmi node Adam YH Lee
@ 2014-11-21 23:53 ` Tony Lindgren
0 siblings, 0 replies; 2+ messages in thread
From: Tony Lindgren @ 2014-11-21 23:53 UTC (permalink / raw)
To: linux-arm-kernel
* Adam YH Lee <adam.yh.lee@gmail.com> [141113 10:06]:
> The HDMI node does not have a power supply attached. As a result its
> power regulator, VDAC, shuts off on boot and screen loses signal.
> This attaches VDAC (vdda_hdmi_dac) to HDMI's vdda-supply.
Applying into omap-for-v3.19/dt-v2 thanks.
Tony
> Signed-off-by: Adam YH Lee <adam.yh.lee@gmail.com>
> ---
> arch/arm/boot/dts/omap4-duovero-parlor.dts | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm/boot/dts/omap4-duovero-parlor.dts b/arch/arm/boot/dts/omap4-duovero-parlor.dts
> index 6dc84d9..1a78f01 100644
> --- a/arch/arm/boot/dts/omap4-duovero-parlor.dts
> +++ b/arch/arm/boot/dts/omap4-duovero-parlor.dts
> @@ -177,6 +177,7 @@
>
> &hdmi {
> status = "ok";
> + vdda-supply = <&vdac>;
>
> pinctrl-names = "default";
> pinctrl-0 = <&dss_hdmi_pins>;
> --
> 1.9.1
>
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