[v1,5/5] arm64: dts: qcom: sc8180x-lenovo-flex-5g: Allow UFS regulators load/mode setting

Message ID 20240130202755.2289952-6-jenneron@postmarketos.org
State New
Headers
Series Device-tree improvements for Lenovo Flex/Yoga 5G laptop |

Commit Message

Anton Bambura Jan. 30, 2024, 8:27 p.m. UTC
  The UFS driver expects to be able to set load (and by extension, mode)
on the supplied regulators. Add the necessary properties to make that
possible.

Based on https://lore.kernel.org/r/20231214-topic-sc8180_fixes-v1-6-421904863006@linaro.org

Signed-off-by: Anton Bambura <jenneron@postmarketos.org>
---
 arch/arm64/boot/dts/qcom/sc8180x-lenovo-flex-5g.dts | 6 ++++++
 1 file changed, 6 insertions(+)
  

Comments

Konrad Dybcio Feb. 1, 2024, 7:29 p.m. UTC | #1
On 30.01.2024 21:27, Anton Bambura wrote:
> The UFS driver expects to be able to set load (and by extension, mode)
> on the supplied regulators. Add the necessary properties to make that
> possible.
> 
> Based on https://lore.kernel.org/r/20231214-topic-sc8180_fixes-v1-6-421904863006@linaro.org
> 
> Signed-off-by: Anton Bambura <jenneron@postmarketos.org>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>

Konrad
  

Patch

diff --git a/arch/arm64/boot/dts/qcom/sc8180x-lenovo-flex-5g.dts b/arch/arm64/boot/dts/qcom/sc8180x-lenovo-flex-5g.dts
index a8816ff0ba51..3e2c7846d95e 100644
--- a/arch/arm64/boot/dts/qcom/sc8180x-lenovo-flex-5g.dts
+++ b/arch/arm64/boot/dts/qcom/sc8180x-lenovo-flex-5g.dts
@@ -335,12 +335,18 @@  vreg_l7e_1p8: ldo7 {
 			regulator-min-microvolt = <1800000>;
 			regulator-max-microvolt = <1800000>;
 			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM
+						   RPMH_REGULATOR_MODE_HPM>;
+			regulator-allow-set-load;
 		};
 
 		vreg_l10e_2p9: ldo10 {
 			regulator-min-microvolt = <2904000>;
 			regulator-max-microvolt = <2904000>;
 			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM
+						   RPMH_REGULATOR_MODE_HPM>;
+			regulator-allow-set-load;
 		};
 
 		vreg_l12e_1p8: ldo12 {