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ramips: fix DCH-M225 support 

Setting the pins of the UARTF group to GPIO+I2S at the time the I2C
driver loads is to late for the wps GPIO button.

The gpio-keys driver fails to load since the pin used by the wps button
is not yet set to GPIO. The wps button with the rfkill keycode is
essential for this wireless only board.

Add the missing sound and I2C kernel modules corresponding to the
device nodes.

Signed-off-by: Mathias Kresin <dev@kresin.me>
owl
Mathias Kresin 2017-11-18 11:59:22 +01:00
parent 6aa4b97a8a
commit a783185e28
2 changed files with 7 additions and 2 deletions
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7
target/linux/ramips/dts/DCH-M225.dts
View File

@ -90,7 +90,7 @@
#sound-dai-cells = <0>;
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&gpio_i2s_pins>, <&wm8960_mclk_pins>;
pinctrl-0 = <&wm8960_mclk_pins>;
};
&spi0 {
@ -158,6 +158,11 @@
ralink,function = "gpio";
};
gpio_i2s {
ralink,group = "uartf";
ralink,function = "gpio i2s";
};
pa {
ralink,group = "pa";
ralink,function = "pa";

2
target/linux/ramips/image/mt7620.mk
View File

@ -139,7 +139,7 @@ define Device/dch-m225
seama-seal -m "signature=wapn22_dlink.2013gui_dap1320b" | \
check-size $$$$(IMAGE_SIZE)
DEVICE_TITLE := D-Link DCH-M225
DEVICE_PACKAGES := kmod-mt76
DEVICE_PACKAGES := kmod-mt76 kmod-sound-core kmod-sound-mt7620 kmod-i2c-ralink
endef
TARGET_DEVICES += dch-m225