leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

arm64: allwinner: a64-amarula-relic: Enable AP6330 WiFi support

Browse Source 
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>
This commit is contained in:
Jagan Teki 2018-06-01 23:05:27 +05:30 committed by Maxime Ripard
parent e1a9a4745f
commit 33c3d4eb67
No known key found for this signature in database
GPG Key ID: D2B4C094214DAF74
1 changed files with 31 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts
View File

@ -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 = <&reg_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 = <&reg_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>;