[PATCH 4/4] ARM: dts: qcom: msm8226-motorola-falcon: specify vddio_disp output voltage

Stanislav Jakubek posted 4 patches 7 months, 1 week ago
[PATCH 4/4] ARM: dts: qcom: msm8226-motorola-falcon: specify vddio_disp output voltage
Posted by Stanislav Jakubek 7 months, 1 week ago
After some digging in downstream sources, it was found that the vddio_disp
regulator's output voltage is 1.8V. This is further confirmed by the
troubleshooting guide. Specify its output voltage as such.
While at it, add a comment specifying the IC, which according to the
schematic is the TI TPS22902.

Signed-off-by: Stanislav Jakubek <stano.jakubek@gmail.com>
---
 arch/arm/boot/dts/qcom/msm8226-motorola-falcon.dts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm/boot/dts/qcom/msm8226-motorola-falcon.dts b/arch/arm/boot/dts/qcom/msm8226-motorola-falcon.dts
index d6d5a86491aac..e6392f7d14c75 100644
--- a/arch/arm/boot/dts/qcom/msm8226-motorola-falcon.dts
+++ b/arch/arm/boot/dts/qcom/msm8226-motorola-falcon.dts
@@ -62,9 +62,12 @@ key-volume-up {
 		};
 	};
 
+	/* TI TPS22902 */
 	vddio_disp_vreg: regulator-vddio-disp {
 		compatible = "regulator-fixed";
 		regulator-name = "vddio_disp";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
 		gpio = <&tlmm 34 GPIO_ACTIVE_HIGH>;
 		vin-supply = <&pm8226_l8>;
 		startup-delay-us = <300>;
-- 
2.43.0
Re: [PATCH 4/4] ARM: dts: qcom: msm8226-motorola-falcon: specify vddio_disp output voltage
Posted by Konrad Dybcio 7 months, 1 week ago
On 5/8/25 4:11 PM, Stanislav Jakubek wrote:
> After some digging in downstream sources, it was found that the vddio_disp
> regulator's output voltage is 1.8V. This is further confirmed by the
> troubleshooting guide. Specify its output voltage as such.
> While at it, add a comment specifying the IC, which according to the
> schematic is the TI TPS22902.
> 
> Signed-off-by: Stanislav Jakubek <stano.jakubek@gmail.com>
> ---

Not sure what the troubleshooting guide you're referring to is, but
nonetheless

Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>

Konrad