diff options
author | Xinming Hu <huxm@marvell.com> | 2016-04-26 06:57:26 -0700 |
---|---|---|
committer | Marcel Holtmann <marcel@holtmann.org> | 2016-05-02 19:26:15 +0200 |
commit | 0065d1c5acdb60ee2c0e54585a29243718465bb7 (patch) | |
tree | 83e37fa8a34874ccb4af61832aa92037c78ef9d9 /Documentation | |
parent | 582a1db98892ef4c1f34c7338b272331994d44ab (diff) | |
download | linux-0065d1c5acdb60ee2c0e54585a29243718465bb7.tar.gz linux-0065d1c5acdb60ee2c0e54585a29243718465bb7.tar.bz2 linux-0065d1c5acdb60ee2c0e54585a29243718465bb7.zip |
dt: bindings: add MARVELL's bt-sd8xxx wireless device
Add device tree binding documentation for MARVELL's bluetooth sdio
(sd8897 and sd8997) chip.
Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/devicetree/bindings/btmrvl.txt | 29 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/net/marvell-bt-sd8xxx.txt | 56 |
2 files changed, 56 insertions, 29 deletions
diff --git a/Documentation/devicetree/bindings/btmrvl.txt b/Documentation/devicetree/bindings/btmrvl.txt deleted file mode 100644 index 58f964bb0a52..000000000000 --- a/Documentation/devicetree/bindings/btmrvl.txt +++ /dev/null @@ -1,29 +0,0 @@ -btmrvl ------- - -Required properties: - - - compatible : must be "btmrvl,cfgdata" - -Optional properties: - - - btmrvl,cal-data : Calibration data downloaded to the device during - initialization. This is an array of 28 values(u8). - - - btmrvl,gpio-gap : gpio and gap (in msecs) combination to be - configured. - -Example: - -GPIO pin 13 is configured as a wakeup source and GAP is set to 100 msecs -in below example. - -btmrvl { - compatible = "btmrvl,cfgdata"; - - btmrvl,cal-data = /bits/ 8 < - 0x37 0x01 0x1c 0x00 0xff 0xff 0xff 0xff 0x01 0x7f 0x04 0x02 - 0x00 0x00 0xba 0xce 0xc0 0xc6 0x2d 0x00 0x00 0x00 0x00 0x00 - 0x00 0x00 0xf0 0x00>; - btmrvl,gpio-gap = <0x0d64>; -}; diff --git a/Documentation/devicetree/bindings/net/marvell-bt-sd8xxx.txt b/Documentation/devicetree/bindings/net/marvell-bt-sd8xxx.txt new file mode 100644 index 000000000000..14aa6cf58201 --- /dev/null +++ b/Documentation/devicetree/bindings/net/marvell-bt-sd8xxx.txt @@ -0,0 +1,56 @@ +Marvell 8897/8997 (sd8897/sd8997) bluetooth SDIO devices +------ + +Required properties: + + - compatible : should be one of the following: + * "marvell,sd8897-bt" + * "marvell,sd8997-bt" + +Optional properties: + + - marvell,cal-data: Calibration data downloaded to the device during + initialization. This is an array of 28 values(u8). + + - marvell,wakeup-pin: It represents wakeup pin number of the bluetooth chip. + firmware will use the pin to wakeup host system. + - marvell,wakeup-gap-ms: wakeup gap represents wakeup latency of the host + platform. The value will be configured to firmware. This + is needed to work chip's sleep feature as expected. + - interrupt-parent: phandle of the parent interrupt controller + - interrupts : interrupt pin number to the cpu. Driver will request an irq based + on this interrupt number. During system suspend, the irq will be + enabled so that the bluetooth chip can wakeup host platform under + certain condition. During system resume, the irq will be disabled + to make sure unnecessary interrupt is not received. + +Example: + +IRQ pin 119 is used as system wakeup source interrupt. +wakeup pin 13 and gap 100ms are configured so that firmware can wakeup host +using this device side pin and wakeup latency. +calibration data is also available in below example. + +&mmc3 { + status = "okay"; + vmmc-supply = <&wlan_en_reg>; + bus-width = <4>; + cap-power-off-card; + keep-power-in-suspend; + + #address-cells = <1>; + #size-cells = <0>; + btmrvl: bluetooth@2 { + compatible = "marvell,sd8897-bt"; + reg = <2>; + interrupt-parent = <&pio>; + interrupts = <119 IRQ_TYPE_LEVEL_LOW>; + + marvell,cal-data = /bits/ 8 < + 0x37 0x01 0x1c 0x00 0xff 0xff 0xff 0xff 0x01 0x7f 0x04 0x02 + 0x00 0x00 0xba 0xce 0xc0 0xc6 0x2d 0x00 0x00 0x00 0x00 0x00 + 0x00 0x00 0xf0 0x00>; + marvell,wakeup-pin = <0x0d>; + marvell,wakeup-gap-ms = <0x64>; + }; +}; |