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@brianberlin
Created November 10, 2020 16:47
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sdio-sdhost.dts
/dts-v1/;
/plugin/;
/{
compatible = "brcm,bcm2708";
fragment@0 {
target = <&mmc>;
sdio_wifi: __overlay__ {
pinctrl-names = "default";
pinctrl-0 = <&sdio_pins>;
bus-width = <4>;
brcm,overclock-50 = <35>;
non-removable;
status = "okay";
};
};
fragment@1 {
target = <&gpio>;
__overlay__ {
sdio_pins: sdio_pins {
brcm,pins = <34 35 36 37 38 39>;
brcm,function = <7>; /* ALT3 = SD1 */
brcm,pull = <0 2 2 2 2 2>;
};
power_ctrl_pins: power_ctrl_pins {
brcm,pins = <40>;
brcm,function = <1>; // out
};
};
};
fragment@2 {
target-path = "/";
__overlay__ {
// We should switch to mmc-pwrseq-sd8787 after making it
// compatible with sd8887
// Currently that module requires two GPIOs to function since it
// targets a slightly different chip
power_ctrl: power_ctrl {
compatible = "gpio-poweroff";
gpios = <&gpio 40 1>;
force;
};
i2c_soft: i2c@0 {
compatible = "i2c-gpio";
gpios = <&gpio 43 0 /* sda */ &gpio 42 0 /* scl */>;
i2c-gpio,delay-us = <5>;
i2c-gpio,scl-open-drain;
i2c-gpio,sda-open-drain;
#address-cells = <1>;
#size-cells = <0>;
};
sd8xxx-wlan {
drvdbg = <0x6>;
drv_mode = <0x1>;
cfg80211_wext = <0xf>;
sta_name = "wlan";
wfd_name = "p2p";
cal_data_cfg = "none";
};
};
};
fragment@3 {
target = <&i2c_soft>;
__overlay__ {
#address-cells = <1>;
#size-cells = <0>;
status = "okay";
gpio_expander: gpio_expander@20 {
compatible = "nxp,pca9554";
gpio-controller;
#gpio-cells = <2>;
reg = <0x20>;
status = "okay";
};
// rtc clock
ds1307: ds1307@68 {
compatible = "maxim,ds1307";
reg = <0x68>;
status = "okay";
};
// RGB LEDs (>= v1.1.0)
pca9633: pca9633@62 {
compatible = "nxp,pca9633";
reg = <0x62>;
#address-cells = <1>;
#size-cells = <0>;
red@0 {
label = "red";
reg = <0>;
linux,default-trigger = "none";
};
green@1 {
label = "green";
reg = <1>;
linux,default-trigger = "none";
};
blue@2 {
label = "blue";
reg = <2>;
linux,default-trigger = "none";
};
unused@3 {
label = "unused";
reg = <3>;
linux,default-trigger = "none";
};
};
};
};
};
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