arm64: dts: qcom: sc8280xp-crd: disallow regulator mode switches

Do not allow the RPMh regulators to switch to low-power mode with an
exception for the UFS regulators (l7c and l3d) as UFS supports an idle
mode.

This specifically avoids having regulators be but in low-power mode when
only some consumers specify loads while the actual total load really
warrants high-power mode.

Fixes: ccd3517faf18 ("arm64: dts: qcom: sc8280xp: Add reference device")
Link: https://lore.kernel.org/all/YtkrDcjTGhpaU1e0@hovoldconsulting.com
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220803121942.30236-2-johan+linaro@kernel.org

diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
index d6f272c..fea7d82 100644 (file)
--- a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
+++ b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
@@ -87,7 +87,6 @@
                        regulator-min-microvolt = <1200000>;
                        regulator-max-microvolt = <1200000>;
                        regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
-                       regulator-allow-set-load;
                        regulator-boot-on;
                        regulator-always-on;
                };
@@ -97,7 +96,6 @@
                        regulator-min-microvolt = <912000>;
                        regulator-max-microvolt = <912000>;
                        regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
-                       regulator-allow-set-load;
                };
 
                vreg_l6b: ldo6 {
@@ -105,7 +103,6 @@
                        regulator-min-microvolt = <880000>;
                        regulator-max-microvolt = <880000>;
                        regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
-                       regulator-allow-set-load;
                        regulator-boot-on;
                };
        };
@@ -119,7 +116,6 @@
                        regulator-min-microvolt = <1800000>;
                        regulator-max-microvolt = <1800000>;
                        regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
-                       regulator-allow-set-load;
                };
 
                vreg_l7c: ldo7 {
@@ -135,7 +131,6 @@
                        regulator-min-microvolt = <3072000>;
                        regulator-max-microvolt = <3072000>;
                        regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
-                       regulator-allow-set-load;
                };
        };
 
@@ -158,7 +153,6 @@
                        regulator-min-microvolt = <1200000>;
                        regulator-max-microvolt = <1200000>;
                        regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
-                       regulator-allow-set-load;
                };
 
                vreg_l6d: ldo6 {
@@ -166,7 +160,6 @@
                        regulator-min-microvolt = <880000>;
                        regulator-max-microvolt = <880000>;
                        regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
-                       regulator-allow-set-load;
                };
 
                vreg_l7d: ldo7 {
@@ -174,7 +167,6 @@
                        regulator-min-microvolt = <3072000>;
                        regulator-max-microvolt = <3072000>;
                        regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
-                       regulator-allow-set-load;
                };
 
                vreg_l9d: ldo9 {
@@ -182,7 +174,6 @@
                        regulator-min-microvolt = <912000>;
                        regulator-max-microvolt = <912000>;
                        regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
-                       regulator-allow-set-load;
                };
        };
 };