summaryrefslogtreecommitdiff
path: root/arch/arm/boot/dts/rk3288-rock2-square.dts
diff options
context:
space:
mode:
authorSjoerd Simons <sjoerd.simons@collabora.co.uk>2016-01-09 15:54:18 +0300
committerHeiko Stuebner <heiko@sntech.de>2016-01-25 11:16:59 +0300
commitdfa31117dbf01e0aac76674a87a103200347e220 (patch)
treecaa79518768c79c7550050bb50bac066533e7118 /arch/arm/boot/dts/rk3288-rock2-square.dts
parent30c4cbcd48b010259597436017228430edcfe242 (diff)
downloadlinux-dfa31117dbf01e0aac76674a87a103200347e220.tar.xz
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>
Diffstat (limited to 'arch/arm/boot/dts/rk3288-rock2-square.dts')
-rw-r--r--arch/arm/boot/dts/rk3288-rock2-square.dts32
1 files changed, 31 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/rk3288-rock2-square.dts b/arch/arm/boot/dts/rk3288-rock2-square.dts
index bcaf868a76bb..dd3ad2e93a6d 100644
--- a/arch/arm/boot/dts/rk3288-rock2-square.dts
+++ b/arch/arm/boot/dts/rk3288-rock2-square.dts
@@ -86,6 +86,15 @@
#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 @@
};
};
+&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 @@
};
&i2c0 {
- hym8563@51 {
+ hym8563: hym8563@51 {
compatible = "haoyu,hym8563";
reg = <0x51>;
#clock-cells = <0>;
@@ -177,6 +201,12 @@
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 {