diff options
| author | Charles Keepax <ckeepax@opensource.wolfsonmicro.com> | 2013-09-19 18:01:37 +0100 |
|---|---|---|
| committer | Seung-Woo Kim <sw0312.kim@samsung.com> | 2016-12-14 13:42:46 +0900 |
| commit | e8184e6ea74c7bdd16f1d194b3966d2dcd912e1b (patch) | |
| tree | 29a03737ad23438bdea7a5bbadaf84cb7139fd94 /Documentation | |
| parent | 011d5c6addcea7b659c0ba9f69bd81b6d1eb8bf5 (diff) | |
mfd: arizona: Add micdet ranges and polarity device tree bindings
Add device tree bindings for the pdata that configures the microphone
button detection and microphone detection polarity configurations.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
[k.kozlowski: rebased on 4.1, no signed-off-by of previous committer]
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/mfd/arizona.txt | 33 |
1 files changed, 28 insertions, 5 deletions
diff --git a/Documentation/devicetree/bindings/mfd/arizona.txt b/Documentation/devicetree/bindings/mfd/arizona.txt index 9fc9ab421879..7c88653efeb6 100644 --- a/Documentation/devicetree/bindings/mfd/arizona.txt +++ b/Documentation/devicetree/bindings/mfd/arizona.txt @@ -43,11 +43,21 @@ 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. 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,micd-ranges : Microphone detection level and key configuration, this + field can be of variable length but should always be a multiple of 2 cells + long, each two cell group represents one button configuration + The first cell is the maximum impedance for this button in ohms + The second cell the key that should be reported to the input layer + - wlf,micd-configs : Headset polarity configurations, the field can be of + variable length but should always be a multiple of 3 cells long, each two + cell group represents one polarity configration + The first cell is the accessory detection source as per the ACCDET_SRC bits + in the ACCESSORY_DETECT_MODE_1 register + The second cell represents the MICBIAS to be used as per the MICD_BIAS_SRC + bits in the MIC_DETECT_1 register + The third cell represents the value of the micd-pol-gpio pin, a non-zero + value indicates this should be on - 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 @@ -90,6 +100,19 @@ codec: wm5102@1a { wlf,gpsw = <0x3>; + wlf,micd-ranges = < + 11 0x100 + 28 0x101 + 54 0x102 + 100 0x103 + 186 0x104 + 430 0x105 + >; + wlf,micd-configs = < + 0x1 1 0 + 0x0 2 1 + >; + wlf,gpio-defaults = < ARIZONA_GP_FN_TXLRCLK ARIZONA_GP_DEFAULT |