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@xxxxxxxxx>
Signed-off-by: Adam Ford <aford173@xxxxxxxxx>
---
v3:
- Remove unnecessary 'pwm-supply' entry from dmtimer-pwm section
v2:
- Fix comment
---
arch/arm/boot/dts/am3517-evm.dts | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/arm/boot/dts/am3517-evm.dts b/arch/arm/boot/dts/am3517-evm.dts
index d7eb6ad76c29..d2d25294f490 100644
--- a/arch/arm/boot/dts/am3517-evm.dts
+++ b/arch/arm/boot/dts/am3517-evm.dts
@@ -127,6 +127,7 @@
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 @@
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>;
@@ -203,6 +205,7 @@
reg = <0x21>;
gpio-controller;
#gpio-cells = <2>;
+ vcc-supply = <&vdd_io_reg>;
};
};
--
2.18.0
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