arm64: dts: qcom: sc8280xp-x13s: enable modem

Enable the modem connected to the PCIe3a M.2 connector.

Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221110103558.12690-9-johan+linaro@kernel.org

diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
index e212b53..9a7e959 100644 (file)
--- a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
+++ b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
@@ -140,6 +140,22 @@
 
                regulator-boot-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 {
@@ -269,6 +285,25 @@
        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";
 };
@@ -597,6 +632,13 @@
        };
 };
 
+&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";
@@ -664,6 +706,29 @@
               };
        };
 
+       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";