From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- .../devicetree/bindings/sound/max98357a.txt | 28 ++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/max98357a.txt (limited to 'Documentation/devicetree/bindings/sound/max98357a.txt') diff --git a/Documentation/devicetree/bindings/sound/max98357a.txt b/Documentation/devicetree/bindings/sound/max98357a.txt new file mode 100644 index 000000000..75db84d06 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/max98357a.txt @@ -0,0 +1,28 @@ +Maxim MAX98357A/MAX98360A audio DAC + +This node models the Maxim MAX98357A/MAX98360A DAC. + +Required properties: +- compatible : "maxim,max98357a" for MAX98357A. + "maxim,max98360a" for MAX98360A. + +Optional properties: +- sdmode-gpios : GPIO specifier for the chip's SD_MODE pin. + If this option is not specified then driver does not manage + the pin state (e.g. chip is always on). +- sdmode-delay : specify delay time for SD_MODE pin. + If this option is specified, which means it's required i2s clocks + ready before SD_MODE is unmuted in order to avoid the speaker pop noise. + It's observed that 5ms is sufficient. + +Example: + +max98357a { + compatible = "maxim,max98357a"; + sdmode-gpios = <&qcom_pinmux 25 0>; +}; + +max98360a { + compatible = "maxim,max98360a"; + sdmode-gpios = <&qcom_pinmux 25 0>; +}; -- cgit v1.2.3