diff options
Diffstat (limited to 'Documentation/devicetree/bindings/mfd/arizona.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/mfd/arizona.txt | 56 |
1 files changed, 40 insertions, 16 deletions
diff --git a/Documentation/devicetree/bindings/mfd/arizona.txt b/Documentation/devicetree/bindings/mfd/arizona.txt index 7bd1273f571a..a8fee60dc20d 100644 --- a/Documentation/devicetree/bindings/mfd/arizona.txt +++ b/Documentation/devicetree/bindings/mfd/arizona.txt @@ -8,7 +8,11 @@ Required properties: - compatible : One of the following chip-specific strings: "wlf,wm5102" "wlf,wm5110" + "wlf,wm8280" "wlf,wm8997" + "wlf,wm8998" + "wlf,wm1814" + - reg : I2C slave address when connected using I2C, chip select number when using SPI. @@ -26,28 +30,48 @@ 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, wm8998, wm1814) + + - SPKVDDL-supply, SPKVDDR-supply : Speaker driver power supplies (wm5102, + wm5110, wm8280, wm8998, wm1814) + + - 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 2 (Digital Microphone). If absent, INn_MODE registers set to 0 by default. If present, values must be specified less than or equal to the number of - input singals. If values less than the number of input signals, elements - that has not been specifed are set to 0 by default. + input signals. If values less than the number of input signals, elements + that have not been specified are set to 0 by default. Entries are: + <IN1, IN2, IN3, IN4> (wm5102, wm5110, wm8280, wm8997) + <IN1A, IN2A, IN1B, IN2B> (wm8998, wm1814) + + - 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. + + - wlf,hpdet-channel : Headphone detection channel. + ARIZONA_ACCDET_MODE_HPL or 1 - Headphone detect mode is set to HPDETL + ARIZONA_ACCDET_MODE_HPR or 2 - Headphone detect mode is set to HPDETR + If this node is not mentioned or if the value is unknown, then + headphone detection mode is set to HPDETL. - DCVDD-supply, MICVDD-supply : Power supplies, only need to be specified if they are being externally supplied. As covered in @@ -73,10 +97,10 @@ 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 >; }; |