diff mbox

[v3] ARM: dts: am3517-evm: Add 'vdd_io_reg' regulator references

Message ID 20180704014830.15857-1-woods.technical@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Derald D. Woods July 4, 2018, 1:48 a.m. UTC 
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>
---

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(+)

Comments

Tony Lindgren July 9, 2018, 10:43 a.m. UTC | #1 
* Derald D. Woods <woods.technical@gmail.com> [180703 18:51]:
> 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>
> ---
> 
> v3:
> - Remove unnecessary 'pwm-supply' entry from dmtimer-pwm section
> 
> v2:
> - Fix comment

Applying into omap-for-v4.19/dt thanks.

Tony
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diff mbox

Patch

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>;
 	};
 };