Enable the SDX55 modem connected to PCIe3.
Signed-off-by: Johan Hovold <johan+linaro@xxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/sc8280xp-crd.dts | 65 +++++++++++++++++++++++
1 file changed, 65 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
index fd2bdfd1126b..5b9e37a16f9f 100644
--- a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
+++ b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
@@ -80,6 +80,22 @@ vreg_misc_3p3: regulator-misc-3p3 {
regulator-boot-on;
regulator-always-on;
};
+
+ vreg_wwan: regulator-wwan {
+ compatible = "regulator-fixed";
+
+ regulator-name = "VCC3B_WAN";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+
+ gpio = <&pmc8280_2_gpios 1 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&wwan_sw_en>;
+
+ regulator-boot-on;
+ };
};
&apps_rsc {
@@ -211,6 +227,25 @@ &pcie2a_phy {
status = "okay";
};
+&pcie3a {
+ perst-gpios = <&tlmm 151 GPIO_ACTIVE_LOW>;
+ wake-gpios = <&tlmm 148 GPIO_ACTIVE_LOW>;
+
+ vddpe-3v3-supply = <&vreg_wwan>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie3a_default>;
+
+ status = "okay";
+};
+
+&pcie3a_phy {
+ vdda-phy-supply = <&vreg_l6d>;
+ vdda-pll-supply = <&vreg_l4d>;
+
+ status = "okay";
+};
+
&pmc8280c_lpg {
status = "okay";
};
@@ -396,6 +431,13 @@ misc_3p3_reg_en: misc-3p3-reg-en-state {
};
};
+&pmc8280_2_gpios {
+ wwan_sw_en: wwan-sw-en-state {
+ pins = "gpio1";
+ function = "normal";
+ };
+};
+
&pmc8280c_gpios {
edp_bl_pwm: edp-bl-pwm-state {
pins = "gpio8";
@@ -456,6 +498,29 @@ wake-n-pins {
};
};
+ pcie3a_default: pcie3a-default-state {
+ clkreq-n-pins {
+ pins = "gpio150";
+ function = "pcie3a_clkreq";
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+
+ perst-n-pins {
+ pins = "gpio151";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-pull-down;
+ };
+
+ wake-n-pins {
+ pins = "gpio148";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+ };
+
qup0_i2c4_default: qup0-i2c4-default-state {
pins = "gpio171", "gpio172";
function = "qup4";
--
2.37.4
