From 6f1519a0ff5f1281c4c4d325d6f563a3ed208f7e Mon Sep 17 00:00:00 2001 From: Shengjiu Wang Date: Wed, 3 Jun 2020 18:26:52 +0800 Subject: [PATCH] ASoC: bindings: wm8960: Add property for headphone detection Add two properties for headphone detection. wlf,hp-cfg: A list of headphone jack detect configuration register values wlf,gpio-cfg: A list of GPIO configuration register values Signed-off-by: Shengjiu Wang Reviewed-by: Rob Herring Link: https://lore.kernel.org/r/1591180013-12416-1-git-send-email-shengjiu.wang@nxp.com Signed-off-by: Mark Brown --- Documentation/devicetree/bindings/sound/wm8960.txt | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/wm8960.txt b/Documentation/devicetree/bindings/sound/wm8960.txt index 6d29ac3750eee..85d3b287108ce 100644 --- a/Documentation/devicetree/bindings/sound/wm8960.txt +++ b/Documentation/devicetree/bindings/sound/wm8960.txt @@ -21,6 +21,17 @@ Optional properties: enabled and disabled together with HP_L and HP_R pins in response to jack detect events. + - wlf,hp-cfg: A list of headphone jack detect configuration register values. + The list must be 3 entries long. + hp-cfg[0]: HPSEL[1:0] of R48 (Additional Control 4). + hp-cfg[1]: {HPSWEN:HPSWPOL} of R24 (Additional Control 2). + hp-cfg[2]: {TOCLKSEL:TOEN} of R23 (Additional Control 1). + + - wlf,gpio-cfg: A list of GPIO configuration register values. + The list must be 2 entries long. + gpio-cfg[0]: ALRCGPIO of R9 (Audio interface) + gpio-cfg[1]: {GPIOPOL:GPIOSEL[2:0]} of R48 (Additional Control 4). + Example: wm8960: codec@1a { -- 2.30.2