diff options
| author | Jagan Teki <jagan@amarulasolutions.com> | 2018-06-01 20:35:27 +0300 |
|---|---|---|
| committer | Maxime Ripard <maxime.ripard@bootlin.com> | 2018-06-18 10:29:52 +0300 |
| commit | 33c3d4eb67fe4e0c13fcf7f03ec99dc41f318865 (patch) | |
| tree | 299fd804b95a1b199cf8c808089a461a01fcfd54 /arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts | |
| parent | e1a9a4745fd5e6e61d57803659cd54fbe757a172 (diff) | |
| download | linux-33c3d4eb67fe4e0c13fcf7f03ec99dc41f318865.tar.xz | |
arm64: allwinner: a64-amarula-relic: Enable AP6330 WiFi support
Enable AP6330 WiFi/BT combo chip on Amarula A64-Relic board:
- WiFi SDIO interface is connected to MMC1
- WiFi WL-PMU-EN pin connected to gpio PL2: attach to mmc-pwrseq
- WiFi WL-WAKE-AP pin connected to gpio PL3
- 32kHz external oscillator gate clock from RTC
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Diffstat (limited to 'arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts')
| -rw-r--r-- | arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts index ce4a256ff086..eac4793c8502 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts @@ -21,12 +21,43 @@ chosen { stdout-path = "serial0:115200n8"; }; + + wifi_pwrseq: wifi-pwrseq { + compatible = "mmc-pwrseq-simple"; + clocks = <&rtc 1>; + clock-names = "ext_clock"; + reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* WL-PMU-EN: PL2 */ + }; }; &ehci0 { status = "okay"; }; +&mmc1 { + pinctrl-names = "default"; + pinctrl-0 = <&mmc1_pins>; + vmmc-supply = <®_dcdc1>; + /* + * Schematic shows both dldo4 and eldo1 connected for vcc-io-wifi, but + * dldo4 connection shows DNP(Do Not Populate) and eldo1 connected with + * 0Ohm register to vcc-io-wifi so eldo1 is used. + */ + vqmmc-supply = <®_eldo1>; + mmc-pwrseq = <&wifi_pwrseq>; + bus-width = <4>; + non-removable; + status = "okay"; + + brcmf: wifi@1 { + reg = <1>; + compatible = "brcm,bcm4329-fmac"; + interrupt-parent = <&r_pio>; + interrupts = <0 3 IRQ_TYPE_LEVEL_LOW>; /* WL-WAKE-AP: PL3 */ + interrupt-names = "host-wake"; + }; +}; + &mmc2 { pinctrl-names = "default"; pinctrl-0 = <&mmc2_pins>; |