On the IFC6560 one of the USB PHY supplies is the L10A power supply.
However this regulator also supplies VDDA_APC1_CS, VDD_PLL2 and VDD_P11
consumers. Touching the supply causes the board to be reset. Document
the supply as a fixed always-on regulator.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
arch/arm64/boot/dts/qcom/sda660-inforce-ifc6560.dts | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sda660-inforce-ifc6560.dts b/arch/arm64/boot/dts/qcom/sda660-inforce-ifc6560.dts
index 702ab49bbc59..60412281ab27 100644
--- a/arch/arm64/boot/dts/qcom/sda660-inforce-ifc6560.dts
+++ b/arch/arm64/boot/dts/qcom/sda660-inforce-ifc6560.dts
@@ -96,6 +96,18 @@ v5p0_boost: v5p0-boost-regulator {
vin-supply = <&vph_pwr>;
};
+
+ /*
+ * this is also used for APC1 CPU power, touching it resets the board
+ */
+ vreg_l10a_1p8: vreg-l10a-regulator {
+ compatible = "regulator-fixed";
+ regulator-name = "vreg_l10a_1p8";
+ regulator-min-microvolt = <1804000>;
+ regulator-max-microvolt = <1896000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
};
&adsp_pil {
@@ -220,6 +232,7 @@ &qusb2phy0 {
status = "okay";
vdd-supply = <&vreg_l1b_0p925>;
+ vdda-pll-supply = <&vreg_l10a_1p8>;
vdda-phy-dpdm-supply = <&vreg_l7b_3p125>;
};
@@ -227,6 +240,7 @@ &qusb2phy1 {
status = "okay";
vdd-supply = <&vreg_l1b_0p925>;
+ vdda-pll-supply = <&vreg_l10a_1p8>;
vdda-phy-dpdm-supply = <&vreg_l7b_3p125>;
};
@@ -464,5 +478,6 @@ &usb3_dwc3 {
&usb3_qmpphy {
vdda-phy-supply = <&vreg_l1b_0p925>;
+ vdda-pll-supply = <&vreg_l10a_1p8>;
status = "okay";
};
--
2.39.2