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MIPS: DTS: CI20: multiple DTS improvements

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a) add DT node for SW1 as Enter button

The SW1 button can be used as a simple one-button keyboard
and is connected to PD17.

Note: SW1 has a second meaning to change the boot sequence
when pressed while powering on.

b) give eth0_power a defined voltage.

This is a 3.3V power switch (DVNET3.3V).

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Reviewed-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
This commit is contained in:
H. Nikolaus Schaller 2020-03-06 22:06:32 +01:00 committed by Thomas Bogendoerfer
parent f5e8fcf85a
commit fa894a8fee
1 changed files with 14 additions and 0 deletions
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14
arch/mips/boot/dts/ingenic/ci20.dts
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@ -4,6 +4,7 @@
#include "jz4780.dtsi"
#include <dt-bindings/clock/ingenic,tcu.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/regulator/active-semi,8865-regulator.h>
@ -27,6 +28,17 @@ memory {
0x30000000 0x30000000>;
};
gpio-keys {
compatible = "gpio-keys";
sw1 {
label = "ci20:sw1";
linux,code = <KEY_F13>;
gpios = <&gpd 17 GPIO_ACTIVE_HIGH>;
wakeup-source;
};
};
leds {
compatible = "gpio-leds";
@ -58,6 +70,8 @@ led3 {
eth0_power: fixedregulator@0 {
compatible = "regulator-fixed";
regulator-name = "eth0_power";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
gpio = <&gpb 25 GPIO_ACTIVE_LOW>;
enable-active-high;
};