diff mbox series

[v2,2/4] ARM: dts: omap: omap4-epson-embt2ws: wire up regulators

Message ID 20241010122957.85164-3-andreas@kemnade.info (mailing list archive)
State New
Headers show
Series ARM: dts: omap: omap4-epson-embt2ws: misc gpio definitions | expand

Commit Message

Andreas Kemnade Oct. 10, 2024, 12:29 p.m. UTC
Wire up the regulators where usage is plausible. Do not
wire them if purpose/usage is unclear like 5V for
many things requiring lower voltages.

Tested on vendor kernel that backlight definitively does not react
on blc_[rl] GPIOs.

Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
---
 arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

Comments

Roger Quadros Oct. 10, 2024, 8:08 p.m. UTC | #1
On 10/10/2024 15:29, Andreas Kemnade wrote:
> Wire up the regulators where usage is plausible. Do not
> wire them if purpose/usage is unclear like 5V for
> many things requiring lower voltages.
> 
> Tested on vendor kernel that backlight definitively does not react
> on blc_[rl] GPIOs.
> 
> Signed-off-by: Andreas Kemnade <andreas@kemnade.info>

Reviewed-by: Roger Quadros <rogerq@kernel.org>
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts b/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts
index 4462747b5cf5..7684868a2eed 100644
--- a/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts
+++ b/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts
@@ -20,13 +20,13 @@  memory@80000000 {
 	backlight-left {
 		compatible = "pwm-backlight";
 		pwms = <&twl_pwm 1 7812500>;
-		power-supply = <&unknown_supply>;
+		power-supply = <&lb_v50>;
 	};
 
 	backlight-right {
 		compatible = "pwm-backlight";
 		pwms = <&twl_pwm 0 7812500>;
-		power-supply = <&unknown_supply>;
+		power-supply = <&lb_v50>;
 	};
 
 	chosen {
@@ -95,11 +95,6 @@  lb_v50: regulator-lb-v50 {
 		enable-active-high;
 	};
 
-	unknown_supply: unknown-supply {
-		compatible = "regulator-fixed";
-		regulator-name = "unknown";
-	};
-
 	wl12xx_pwrseq: wl12xx-pwrseq {
 		compatible = "mmc-pwrseq-simple";
 		clocks = <&twl 1>;
@@ -308,6 +303,8 @@  mpu9150: imu@68 {
 		pinctrl-0 = <&mpu9150_pins>;
 		interrupt-parent = <&gpio2>;
 		interrupt = <7 IRQ_TYPE_LEVEL_HIGH>;
+		vddio-supply = <&cb_v18>;
+		vdd-supply = <&cb_v33>;
 		invensense,level-shifter;
 	};
 };