openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

ARM: dts: am3517-evm: Add 'vdd_io_reg' regulator references 

There are a few peripherals that generate some extra noise when they
don't have a regulator assigned to them.  This patch assigns them to
their actual tps65023 regulator 'vdd_io_reg' (VDCDC2).

Signed-off-by: Derald D. Woods <woods.technical@gmail.com>
Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Derald D. Woods 2018-07-03 20:48:30 -05:00 committed by Tony Lindgren
parent 5bd5bce567
commit 8008b6f3ac
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
arch/arm/boot/dts/am3517-evm.dts
View File

@ -127,6 +127,7 @@ lcd0: display@0 {
status = "okay";
pinctrl-names = "default";
enable-gpios = <&gpio6 16 GPIO_ACTIVE_HIGH>; /* gpio176, lcd INI */
vcc-supply = <&vdd_io_reg>;
port {
lcd_in: endpoint {
@ -154,6 +155,7 @@ panel-timing {
bl: backlight {
compatible = "pwm-backlight";
pinctrl-names = "default";
power-supply = <&vdd_io_reg>;
pinctrl-0 = <&backlight_pins>;
pwms = <&pwm11 0 5000000 0>;
brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
@ -210,6 +212,7 @@ tca6416: gpio@21 {
reg = <0x21>;
gpio-controller;
#gpio-cells = <2>;
vcc-supply = <&vdd_io_reg>;
};
};