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ARM: dts: rockchip: Add the SDIO wifi on Radxa Rock2 square 

Enable the sdio0 slot on the Rock2 square which has a broadcom wifi chip
attached and add a power sequence to enable the wifi chip and turn on
the required 32k clock.

Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
Sjoerd Simons 2016-01-09 13:54:18 +01:00 committed by Heiko Stuebner
parent 30c4cbcd48
commit dfa31117db
1 changed files with 31 additions and 1 deletions
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32
arch/arm/boot/dts/rk3288-rock2-square.dts
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@ -86,6 +86,15 @@ spdif_out: spdif-out {
#sound-dai-cells = <0>;
};
sdio_pwrseq: sdio-pwrseq {
compatible = "mmc-pwrseq-simple";
clocks = <&hym8563>;
clock-names = "ext_clock";
pinctrl-names = "default";
pinctrl-0 = <&wifi_enable>;
reset-gpios = <&gpio4 28 GPIO_ACTIVE_LOW>;
};
vcc_usb_host: vcc-host-regulator {
compatible = "regulator-fixed";
enable-active-high;
@ -111,6 +120,21 @@ vcc_sd: sdmmc-regulator {
};
};
&sdio0 {
bus-width = <4>;
cap-sd-highspeed;
cap-sdio-irq;
disable-wp;
mmc-pwrseq = <&sdio_pwrseq>;
non-removable;
num-slots = <1>;
pinctrl-names = "default";
pinctrl-0 = <&sdio0_bus4 &sdio0_cmd &sdio0_clk &sdio0_int>;
vmmc-supply = <&vcc_io>;
vqmmc-supply = <&vcc_18>;
status = "okay";
};
&sdmmc {
bus-width = <4>;
cap-mmc-highspeed;
@ -135,7 +159,7 @@ &hdmi {
};
&i2c0 {
hym8563@51 {
hym8563: hym8563@51 {
compatible = "haoyu,hym8563";
reg = <0x51>;
#clock-cells = <0>;
@ -177,6 +201,12 @@ sdmmc_pwr: sdmmc-pwr {
rockchip,pins = <7 11 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
sdio {
wifi_enable: wifi-enable {
rockchip,pins = <4 28 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
};
&spdif {