diff options
| author | Suniel Mahesh <sunil@amarulasolutions.com> | 2020-11-09 23:40:13 +0530 |
|---|---|---|
| committer | Heiko Stuebner <heiko@sntech.de> | 2020-11-30 02:37:13 +0100 |
| commit | 93a4e7d12468b0ab46796f3ed8dc5838dc7f63bc (patch) | |
| tree | e729d3d79e6fd98415df2ecedef8cd119d32dad7 /arch/arm64/boot/dts/rockchip/px30-engicam-common.dtsi | |
| parent | 0e418423be1c824b2cda37fd00528f62231cd219 (diff) | |
arm64: dts: rockchip: Add WiFi support on px30-engicam
Engicam PX30 carrier boards like EDIMM2.2 and C.TOUCH2.0 have
an onboard Sterling-LWD Wifi/BT chip based on BCM43430 connected
on the SDIO bus.
The SDIO power sequnce is connacted with exteernal 32KHz oscillator
and it require 3V3 regulator input.
This patch adds WiFi enablement nodes for these respective boards.
Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Suniel Mahesh <sunil@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Link: https://lore.kernel.org/r/20201109181017.206834-6-jagan@amarulasolutions.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Diffstat (limited to 'arch/arm64/boot/dts/rockchip/px30-engicam-common.dtsi')
| -rw-r--r-- | arch/arm64/boot/dts/rockchip/px30-engicam-common.dtsi | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/rockchip/px30-engicam-common.dtsi b/arch/arm64/boot/dts/rockchip/px30-engicam-common.dtsi index 8fdd7ff2fdf9..0e1a93ec3234 100644 --- a/arch/arm64/boot/dts/rockchip/px30-engicam-common.dtsi +++ b/arch/arm64/boot/dts/rockchip/px30-engicam-common.dtsi @@ -14,6 +14,51 @@ regulator-min-microvolt = <5000000>; regulator-max-microvolt = <5000000>; }; + + sdio_pwrseq: sdio-pwrseq { + compatible = "mmc-pwrseq-simple"; + clocks = <&xin32k>; + clock-names = "ext_clock"; + post-power-on-delay-ms = <80>; + pinctrl-names = "default"; + pinctrl-0 = <&wifi_enable_h>; + }; + + vcc3v3_rf_aux_mod: vcc3v3-rf-aux-mod { + compatible = "regulator-fixed"; + regulator-name = "vcc3v3_rf_aux_mod"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + regulator-boot-on; + vin-supply = <&vcc5v0_sys>; + }; + + xin32k: xin32k { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <32768>; + clock-output-names = "xin32k"; + }; +}; + +&sdio { + #address-cells = <1>; + #size-cells = <0>; + bus-width = <4>; + clock-frequency = <50000000>; + cap-sdio-irq; + cap-sd-highspeed; + keep-power-in-suspend; + mmc-pwrseq = <&sdio_pwrseq>; + non-removable; + sd-uhs-sdr104; + status = "okay"; + + brcmf: wifi@1 { + compatible = "brcm,bcm4329-fmac"; + reg = <1>; + }; }; &gmac { |