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 { > + compatible = "mmc-pwrseq-simple"; > + clocks = <&rtc 1>; > + clock-names = "ext_clock"; > + reset-gpios = <&r_pio 1 3 GPIO_ACTIVE_LOW>; /* PM3 */ > + post-power-on-delay-ms = <200>; > + }; > }; > > &cpu0 { > @@ -91,6 +119,25 @@ > status = "okay"; > }; > > +&mmc1 { > + pinctrl-names = "default"; > + pinctrl-0 = <&mmc1_pins>; This is the default already. I've removed it and applied. Maxime -- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com
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