From f00e0030bcbf49936d265330f6e0b8c739ad90c3 Mon Sep 17 00:00:00 2001 From: "Andrew F. Davis" Date: Wed, 29 Nov 2017 11:13:52 -0600 Subject: ASoC: tlv320aic31xx: Rename property for reset GPIO The property used to specify a GPIO intended for reset is "reset-gpios", but this binding uses "gpio-reset". It is not compatible with newer methods used to fetch GPIO pins and to prevent the spread of this error to other bindings let's rename to be more standard. We also standardize the pin as active-low, different device trees have marked the GPIO different ways, luckily the driver currently uses the low-level GPIO set function which does not respect the active-low flag, but future changes may change this. This is an active-low reset, mark it as such. Lastly, add an example of use for this property. [Rewrote the title & first paragraph of the commit message for clarity -- broonie] Signed-off-by: Andrew F. Davis Signed-off-by: Mark Brown --- Documentation/devicetree/bindings/sound/tlv320aic31xx.txt | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) (limited to 'Documentation/devicetree/bindings/sound/tlv320aic31xx.txt') diff --git a/Documentation/devicetree/bindings/sound/tlv320aic31xx.txt b/Documentation/devicetree/bindings/sound/tlv320aic31xx.txt index 6fbba562eaa7..5b3c33bb99e5 100644 --- a/Documentation/devicetree/bindings/sound/tlv320aic31xx.txt +++ b/Documentation/devicetree/bindings/sound/tlv320aic31xx.txt @@ -22,7 +22,7 @@ Required properties: Optional properties: -- gpio-reset - gpio pin number used for codec reset +- reset-gpios - GPIO specification for the active low RESET input. - ai31xx-micbias-vg - MicBias Voltage setting 1 or MICBIAS_2_0V - MICBIAS output is powered to 2.0V 2 or MICBIAS_2_5V - MICBIAS output is powered to 2.5V @@ -30,6 +30,10 @@ Optional properties: If this node is not mentioned or if the value is unknown, then micbias is set to 2.0V. +Deprecated properties: + +- gpio-reset - gpio pin number used for codec reset + CODEC output pins: * HPL * HPR @@ -48,6 +52,7 @@ CODEC input pins: The pins can be used in referring sound node's audio-routing property. Example: +#include #include tlv320aic31xx: tlv320aic31xx@18 { @@ -56,6 +61,8 @@ tlv320aic31xx: tlv320aic31xx@18 { ai31xx-micbias-vg = ; + reset-gpios = <&gpio1 17 GPIO_ACTIVE_LOW>; + HPVDD-supply = <®ulator>; SPRVDD-supply = <®ulator>; SPLVDD-supply = <®ulator>; -- cgit v1.2.3