diff options
Diffstat (limited to 'Documentation/devicetree/bindings/mfd/arizona.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/mfd/arizona.txt | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/mfd/arizona.txt b/Documentation/devicetree/bindings/mfd/arizona.txt index 9b30011ecabe..b37bdde5cfda 100644 --- a/Documentation/devicetree/bindings/mfd/arizona.txt +++ b/Documentation/devicetree/bindings/mfd/arizona.txt @@ -1,6 +1,6 @@ Cirrus Logic/Wolfson Microelectronics Arizona class audio SoCs -These devices are audio SoCs with extensive digital capabilites and a range +These devices are audio SoCs with extensive digital capabilities and a range of analogue I/O. Required properties: @@ -30,7 +30,8 @@ Required properties: - gpio-controller : Indicates this device is a GPIO controller. - #gpio-cells : Must be 2. The first cell is the pin number and the - second cell is used to specify optional parameters (currently unused). + second cell is used to specify optional parameters, see ../gpio/gpio.txt + for details. - AVDD-supply, DBVDD1-supply, CPVDD-supply : Power supplies for the device, as covered in Documentation/devicetree/bindings/regulator/regulator.txt @@ -85,6 +86,24 @@ Optional properties: present, the number of values should be less than or equal to the number of inputs, unspecified inputs will use the chip default. + - wlf,max-channels-clocked : The maximum number of channels to be clocked on + each AIF, useful for I2S systems with multiple data lines being mastered. + Specify one cell for each AIF to be configured, specify zero for AIFs that + should be handled normally. + If present, number of cells must be less than or equal to the number of + AIFs. If less than the number of AIFs, for cells that have not been + specified the corresponding AIFs will be treated as default setting. + + - wlf,spk-fmt : PDM speaker data format, must contain 2 cells (OUT5 and OUT6). + See the datasheet for values. + The second cell is ignored for codecs that do not have OUT6 (wm5102, wm8997, + wm8998, wm1814) + + - wlf,spk-mute : PDM speaker mute setting, must contain 2 cells (OUT5 and OUT6). + See the datasheet for values. + The second cell is ignored for codecs that do not have OUT6 (wm5102, wm8997, + wm8998, wm1814) + - DCVDD-supply, MICVDD-supply : Power supplies, only need to be specified if they are being externally supplied. As covered in Documentation/devicetree/bindings/regulator/regulator.txt |