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Date: Tue, 3 Nov 2020 10:38:33 -0800
From: Matthias Kaehlcke <mka@...omium.org>
To: Andy Gross <agross@...nel.org>,
Bjorn Andersson <bjorn.andersson@...aro.org>,
Rob Herring <robh+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
Douglas Anderson <dianders@...omium.org>,
linux-kernel@...r.kernel.org, Matthias Kaehlcke <mka@...omium.org>
Subject: [PATCH] arm64: dts: qcom: sc7180-trogdor: Make pp3300_a the default supply for pp3300_hub
The trogdor design has two options for supplying the pp3300_hub power rail,
it can be supplied by pp3300_l7c or pp3300_a. Initially pp3300_l7c was
used, newer revisions (will) use pp3300_a as supply.
Add a DT node for the pp3300_a path which includes a power switch that is
controlled by a GPIO. Make this path the default and keep trogdor rev1,
lazor rev0 and rev1 on pp3300_l7c.
Signed-off-by: Matthias Kaehlcke <mka@...omium.org>
---
.../boot/dts/qcom/sc7180-trogdor-lazor-r0.dts | 4 +++
.../boot/dts/qcom/sc7180-trogdor-lazor-r1.dts | 4 +++
.../arm64/boot/dts/qcom/sc7180-trogdor-r1.dts | 4 +++
arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi | 30 ++++++++++++++++++-
4 files changed, 41 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor-lazor-r0.dts b/arch/arm64/boot/dts/qcom/sc7180-trogdor-lazor-r0.dts
index ae4c23a4fe65..08bf30b761fc 100644
--- a/arch/arm64/boot/dts/qcom/sc7180-trogdor-lazor-r0.dts
+++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor-lazor-r0.dts
@@ -22,3 +22,7 @@ &sn65dsi86_out {
*/
lane-polarities = <1 0>;
};
+
+&usb_hub {
+ vdd-supply = <&pp3300_hub_7c>;
+};
diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor-lazor-r1.dts b/arch/arm64/boot/dts/qcom/sc7180-trogdor-lazor-r1.dts
index 3151ae31c1cc..9f7a44d78a1a 100644
--- a/arch/arm64/boot/dts/qcom/sc7180-trogdor-lazor-r1.dts
+++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor-lazor-r1.dts
@@ -13,3 +13,7 @@ / {
model = "Google Lazor (rev1+)";
compatible = "google,lazor", "qcom,sc7180";
};
+
+&usb_hub {
+ vdd-supply = <&pp3300_hub_7c>;
+};
diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor-r1.dts b/arch/arm64/boot/dts/qcom/sc7180-trogdor-r1.dts
index 0a281c24841c..e1840fe07cd0 100644
--- a/arch/arm64/boot/dts/qcom/sc7180-trogdor-r1.dts
+++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor-r1.dts
@@ -62,6 +62,10 @@ &sdhc_2 {
status = "okay";
};
+&usb_hub {
+ vdd-supply = <&pp3300_hub_7c>;
+};
+
/* PINCTRL - board-specific pinctrl */
&tlmm {
diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
index bf875589d364..2d64e75a2d6d 100644
--- a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
@@ -174,6 +174,21 @@ pp3300_fp_tp: pp3300-fp-tp-regulator {
vin-supply = <&pp3300_a>;
};
+ pp3300_hub: pp3300-hub {
+ compatible = "regulator-fixed";
+ regulator-name = "pp3300_hub";
+
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+
+ gpio = <&tlmm 84 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ pinctrl-names = "default";
+ pinctrl-0 = <&en_pp3300_hub>;
+
+ vin-supply = <&pp3300_a>;
+ };
+
/* BOARD-SPECIFIC TOP LEVEL NODES */
backlight: backlight {
@@ -469,7 +484,7 @@ ppvar_l6c: ldo6 {
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
};
- pp3300_hub:
+ pp3300_hub_7c:
pp3300_l7c: ldo7 {
regulator-min-microvolt = <3304000>;
regulator-max-microvolt = <3304000>;
@@ -1151,6 +1166,19 @@ pinconf {
};
};
+ en_pp3300_hub: en-pp3300-hub {
+ pinmux {
+ pins = "gpio84";
+ function = "gpio";
+ };
+
+ pinconf {
+ pins = "gpio84";
+ drive-strength = <2>;
+ bias-disable;
+ };
+ };
+
en_pp3300_dx_edp: en-pp3300-dx-edp {
pinmux {
pins = "gpio30";
--
2.29.1.341.ge80a0c044ae-goog
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