[PATCH 2/2] arm64: dts: orange-pi-zero-plus2: enable AP6212a WiFi/BT combo

[Chen-Yu Tsai]

On Wed, Nov 29, 2017 at 9:53 PM, Jagan Teki <jagan at amarulasolutions.com> wrote:
> On Sat, Nov 4, 2017 at 1:28 AM, Sergey Matyukevich <geomatsi at gmail.com> wrote:
>> Enable AP6212a WiFi/BT combo chip on orange-pi-zero-plus2 board:
>> - WiFi SDIO interface is connected to MMC1
>> - WiFi REG_ON pin connected to gpio PA9: attach to mmc-pwrseq
>> - WiFi HOST_WAKE pin connected to gpio PL7
>> - BT is connected to UART1
>>
>> Signed-off-by: Sergey Matyukevich <geomatsi at gmail.com>
>> ---
>>  .../allwinner/sun50i-h5-orangepi-zero-plus2.dts    | 32 ++++++++++++++++++++++
>>  1 file changed, 32 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-zero-plus2.dts b/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-zero-plus2.dts
>> index a42fd79a62a3..d415b7b67cce 100644
>> --- a/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-zero-plus2.dts
>> +++ b/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-zero-plus2.dts
>> @@ -64,6 +64,13 @@
>>                 regulator-min-microvolt = <3300000>;
>>                 regulator-max-microvolt = <3300000>;
>>         };
>> +
>> +       wifi_pwrseq: wifi_pwrseq {
>> +               compatible = "mmc-pwrseq-simple";
>> +               pinctrl-names = "default";
>> +               reset-gpios = <&pio 0 9 GPIO_ACTIVE_LOW>; /* PA9 */
>> +               post-power-on-delay-ms = <200>;
>> +       };
>>  };
>>
>>  &mmc0 {
>> @@ -75,6 +82,25 @@
>>         status = "okay";
>>  };
>>
>> +&mmc1 {
>> +       pinctrl-names = "default";
>> +       pinctrl-0 = <&mmc1_pins_a>;
>> +       vmmc-supply = <&reg_vcc3v3>;
>> +       vqmmc-supply = <&reg_vcc3v3>;
>> +       mmc-pwrseq = <&wifi_pwrseq>;
>> +       bus-width = <4>;
>> +       non-removable;
>> +       status = "okay";
>> +
>> +       brcmf: wifi at 1 {
>> +               reg = <1>;
>> +               compatible = "brcm,bcm4329-fmac";
>> +               interrupt-parent = <&r_pio>;
>> +               interrupts = <0 7 IRQ_TYPE_LEVEL_LOW>;  /* PL7 */
>> +               interrupt-names = "host-wake";
>> +       };
>> +};
>
> Did you observe this issue, I'm using firmware from buildroot and
> couldn't find any *.txt from brcm/ I believe we need ass text file for
> firmware details, did you tried the same from BR?

The text file is not provided as part of the linux-firmware repository.
You have to fetch it from your vendor BSP. This is documented not just
for sunxi, but also for the raspberry pi 3.

ChenYu

>
> Log:
> [    1.872235] mmc1: new high speed SDIO card at address 0001
> [    1.880919] brcmfmac: brcmf_fw_map_chip_to_name: using
> brcm/brcmfmac43430-sdio.bin for chip 0x00a9a6(43430) rev 0x000001
> [    1.908802] EXT4-fs (mmcblk0p1): re-mounted. Opts: data=ordered
> [    1.927199] brcmfmac mmc1:0001:1: Direct firmware load for
> brcm/brcmfmac43430-sdio.txt failed with error -2
> [    2.963478] brcmfmac: brcmf_sdio_htclk: HT Avail timeout (1000000):
> clkctl 0x50
> [    3.971888] brcmfmac: brcmf_sdio_htclk: HT Avail timeout (1000000):
> clkctl 0x50
>
> thanks!
> --
> Jagan Teki
> Senior Linux Kernel Engineer | Amarula Solutions
> U-Boot, Linux | Upstream Maintainer
> Hyderabad, India.