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-rw-r--r--Documentation/devicetree/bindings/mfd/arizona.txt41
1 files changed, 27 insertions, 14 deletions
diff --git a/Documentation/devicetree/bindings/mfd/arizona.txt b/Documentation/devicetree/bindings/mfd/arizona.txt
index 7bd1273f571a..7665aa95979f 100644
--- a/Documentation/devicetree/bindings/mfd/arizona.txt
+++ b/Documentation/devicetree/bindings/mfd/arizona.txt
@@ -8,6 +8,7 @@ Required properties:
- compatible : One of the following chip-specific strings:
"wlf,wm5102"
"wlf,wm5110"
+ "wlf,wm8280"
"wlf,wm8997"
- reg : I2C slave address when connected using I2C, chip select number when
using SPI.
@@ -26,21 +27,27 @@ Required properties:
- #gpio-cells : Must be 2. The first cell is the pin number and the
second cell is used to specify optional parameters (currently unused).
- - AVDD-supply, DBVDD1-supply, DBVDD2-supply, DBVDD3-supply (wm5102, wm5110),
- CPVDD-supply, SPKVDDL-supply (wm5102, wm5110), SPKVDDR-supply (wm5102,
- wm5110), SPKVDD-supply (wm8997) : Power supplies for the device, as covered
- in Documentation/devicetree/bindings/regulator/regulator.txt
+ - AVDD-supply, DBVDD1-supply, CPVDD-supply : Power supplies for the device,
+ as covered in Documentation/devicetree/bindings/regulator/regulator.txt
+
+ - DBVDD2-supply, DBVDD3-supply : Additional databus power supplies (wm5102,
+ wm5110, wm8280)
+
+ - SPKVDDL-supply, SPKVDDR-supply : Speaker driver power supplies (wm5102,
+ wm5110, wm8280)
+
+ - SPKVDD-supply : Speaker driver power supply (wm8997)
Optional properties:
- wlf,reset : GPIO specifier for the GPIO controlling /RESET
- wlf,ldoena : GPIO specifier for the GPIO controlling LDOENA
- - wlf,gpio-defaults : A list of GPIO configuration register values. If
- absent, no configuration of these registers is performed. If any
- entry has a value that is out of range for a 16 bit register then
- the chip default will be used. If present exactly five values must
- be specified.
+ - wlf,gpio-defaults : A list of GPIO configuration register values. Defines
+ for the appropriate values can found in <dt-bindings/mfd/arizona.txt>. If
+ absent, no configuration of these registers is performed. If any entry has
+ a value that is out of range for a 16 bit register then the chip default
+ will be used. If present exactly five values must be specified.
- wlf,inmode : A list of INn_MODE register values, where n is the number
of input signals. Valid values are 0 (Differential), 1 (Single-ended) and
@@ -49,6 +56,12 @@ Optional properties:
input singals. If values less than the number of input signals, elements
that has not been specifed are set to 0 by default.
+ - wlf,dmic-ref : DMIC reference voltage source for each input, can be
+ selected from either MICVDD or one of the MICBIAS's, defines
+ (ARIZONA_DMIC_xxxx) are provided in <dt-bindings/mfd/arizona.txt>. If
+ present, the number of values should be less than or equal to the
+ number of inputs, unspecified inputs will use the chip default.
+
- 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
@@ -73,10 +86,10 @@ codec: wm5102@1a {
#gpio-cells = <2>;
wlf,gpio-defaults = <
- 0x00000000 /* AIF1TXLRCLK */
- 0xffffffff
- 0xffffffff
- 0xffffffff
- 0xffffffff
+ ARIZONA_GP_FN_TXLRCLK
+ ARIZONA_GP_DEFAULT
+ ARIZONA_GP_DEFAULT
+ ARIZONA_GP_DEFAULT
+ ARIZONA_GP_DEFAULT
>;
};