On Fri, Aug 23, 2019 at 06:10:30PM +0800, Chen-Yu Tsai wrote: > On Fri, Aug 23, 2019 at 6:08 PM Maxime Ripard <mripard@xxxxxxxxxx> wrote: > > > > Hi, > > > > On Fri, Aug 23, 2019 at 11:42:28AM +0200, megous@xxxxxxxxxx wrote: > > > From: Ondrej Jirman <megous@xxxxxxxxxx> > > > > > > Orange Pi 3 has AP6256 WiFi/BT module. WiFi part of the module is called > > > bcm43356 and can be used with the brcmfmac driver. The module is powered by > > > the two always on regulators (not AXP805). > > > > > > WiFi uses a PG port with 1.8V voltage level signals. SoC needs to be > > > configured so that it sets up an 1.8V input bias on this port. This is done > > > by the pio driver by reading the vcc-pg-supply voltage. > > > > > > You'll need a fw_bcm43456c5_ag.bin firmware file and nvram.txt > > > configuration that can be found in the Xulongs's repository for H6: > > > > > > https://github.com/orangepi-xunlong/OrangePiH6_external/tree/master/ap6256 > > > > > > Mainline brcmfmac driver expects the firmware and nvram at the following > > > paths relative to the firmware directory: > > > > > > brcm/brcmfmac43456-sdio.bin > > > brcm/brcmfmac43456-sdio.txt > > > > > > Signed-off-by: Ondrej Jirman <megous@xxxxxxxxxx> > > > --- > > > > > > Since RTC patches for H6 were merged, this can now go in too, if it looks ok. > > > > > > Other patches for this WiFi chip support were merged in previous cycles, > > > so this just needs enabling in DTS now. > > > > > > Sorry for the links in the commit log, but this information is useful, > > > even if the link itself goes bad. Any pointer what to google for > > > (file names, tree name) is great for anyone searching in the future. > > > > I understand, but this should (also?) be in the wiki. Please add it > > there too. > > > > > Please take a look. > > > > > > Thank you, > > > Ondrej > > > > > > .../dts/allwinner/sun50i-h6-orangepi-3.dts | 48 +++++++++++++++++++ > > > 1 file changed, 48 insertions(+) > > > > > > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-3.dts b/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-3.dts > > > index eda9d5f640b9..49d954369087 100644 > > > --- a/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-3.dts > > > +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-3.dts > > > @@ -56,6 +56,34 @@ > > > regulator-max-microvolt = <5000000>; > > > regulator-always-on; > > > }; > > > + > > > + reg_vcc33_wifi: vcc33-wifi { > > > + /* Always on 3.3V regulator for WiFi and BT */ > > > + compatible = "regulator-fixed"; > > > + regulator-name = "vcc33-wifi"; > > > + regulator-min-microvolt = <3300000>; > > > + regulator-max-microvolt = <3300000>; > > > + regulator-always-on; > > > + vin-supply = <®_vcc5v>; > > > + }; > > > + > > > + reg_vcc_wifi_io: vcc-wifi-io { > > > + /* Always on 1.8V/300mA regulator for WiFi and BT IO */ > > > + compatible = "regulator-fixed"; > > > + regulator-name = "vcc-wifi-io"; > > > + regulator-min-microvolt = <1800000>; > > > + regulator-max-microvolt = <1800000>; > > > + regulator-always-on; > > > + vin-supply = <®_vcc33_wifi>; > > > + }; > > > + > > > + wifi_pwrseq: wifi_pwrseq { > > IIRC we shouldn't use underscores in node names. Maxime can you fix that up? Done, thanks! Maxime -- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com
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