marvell-8xxx.txt

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    1 Marvell 8787/8897/8997 (sd8787/sd8897/sd8997/pcie8997) SDIO/PCIE devices
    2 ------
    3 
    4 This node provides properties for controlling the Marvell SDIO/PCIE wireless device.
    5 The node is expected to be specified as a child node to the SDIO/PCIE controller that
    6 connects the device to the system.
    7 
    8 Required properties:
    9 
   10   - compatible : should be one of the following:
   11         * "marvell,sd8787"
   12         * "marvell,sd8897"
   13         * "marvell,sd8997"
   14         * "pci11ab,2b42"
   15         * "pci1b4b,2b42"
   16 
   17 Optional properties:
   18 
   19   - marvell,caldata* : A series of properties with marvell,caldata prefix,
   20                       represent calibration data downloaded to the device during
   21                       initialization. This is an array of unsigned 8-bit values.
   22                       the properties should follow below property name and
   23                       corresponding array length:
   24         "marvell,caldata-txpwrlimit-2g" (length = 566).
   25         "marvell,caldata-txpwrlimit-5g-sub0" (length = 502).
   26         "marvell,caldata-txpwrlimit-5g-sub1" (length = 688).
   27         "marvell,caldata-txpwrlimit-5g-sub2" (length = 750).
   28         "marvell,caldata-txpwrlimit-5g-sub3" (length = 502).
   29   - marvell,wakeup-pin : a wakeup pin number of wifi chip which will be configured
   30                       to firmware. Firmware will wakeup the host using this pin
   31                       during suspend/resume.
   32   - interrupts : interrupt pin number to the cpu. driver will request an irq based on
   33                  this interrupt number. during system suspend, the irq will be enabled
   34                  so that the wifi chip can wakeup host platform under certain condition.
   35                  during system resume, the irq will be disabled to make sure
   36                  unnecessary interrupt is not received.
   37   - vmmc-supply: a phandle of a regulator, supplying VCC to the card
   38   - mmc-pwrseq:  phandle to the MMC power sequence node. See "mmc-pwrseq-*"
   39                  for documentation of MMC power sequence bindings.
   40 
   41 Example:
   42 
   43 Tx power limit calibration data is configured in below example.
   44 The calibration data is an array of unsigned values, the length
   45 can vary between hw versions.
   46 IRQ pin 38 is used as system wakeup source interrupt. wakeup pin 3 is configured
   47 so that firmware can wakeup host using this device side pin.
   48 
   49 &mmc3 {
   50         vmmc-supply = <&wlan_en_reg>;
   51         mmc-pwrseq = <&wifi_pwrseq>;
   52         bus-width = <4>;
   53         cap-power-off-card;
   54         keep-power-in-suspend;
   55 
   56         #address-cells = <1>;
   57         #size-cells = <0>;
   58         mwifiex: wifi@1 {
   59                 compatible = "marvell,sd8897";
   60                 reg = <1>;
   61                 interrupt-parent = <&pio>;
   62                 interrupts = <38 IRQ_TYPE_LEVEL_LOW>;
   63 
   64                 marvell,caldata_00_txpwrlimit_2g_cfg_set = /bits/ 8 <
   65         0x01 0x00 0x06 0x00 0x08 0x02 0x89 0x01>;
   66                 marvell,wakeup-pin = <3>;
   67         };
   68 };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/net/wireless/marvell-8xxx.txt

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/net/wireless/marvell-8xxx.txt