arm64: dts: qcom: sm8650-qrd: add USB-C Altmode Support

Add the necessary nodes to support the USB-C Altmode path by
adding the following
- WCD939x USBSS Mux I2C device
- nb7vpq904m Redriver I2C device
- Port/Endpoint graph links bettween PMIC-Glink, Mux, Redriver and USB PHY nodes.

WCD939x USBSS port 2 Path to Codec will be added later when Audio support
is added.

Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20240123-topic-sm8650-upstream-altmode-v3-1-300a5ac80e1e@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

diff --git a/arch/arm64/boot/dts/qcom/sm8650-qrd.dts b/arch/arm64/boot/dts/qcom/sm8650-qrd.dts
index 592a67a47c782f667cd48d8d8bcad7d457a84ee4..a6f55191e10790923668cb96aa1fa00809e59384 100644 (file)
--- a/arch/arm64/boot/dts/qcom/sm8650-qrd.dts
+++ b/arch/arm64/boot/dts/qcom/sm8650-qrd.dts
@@ -77,9 +77,17 @@
                                        reg = <1>;
 
                                        pmic_glink_ss_in: endpoint {
-                                               remote-endpoint = <&usb_1_dwc3_ss>;
+                                               remote-endpoint = <&redriver_ss_out>;
                                        };
                                };
+
+                               port@2 {
+                                       reg = <2>;
+
+                                       pmic_glink_sbu: endpoint {
+                                               remote-endpoint = <&wcd_usbss_sbu_mux>;
+                                   };
+                               };
                        };
                };
        };
@@ -446,6 +454,70 @@
        status = "okay";
 };
 
+&i2c3 {
+       status = "okay";
+
+       wcd_usbss: typec-mux@e {
+               compatible = "qcom,wcd9395-usbss", "qcom,wcd9390-usbss";
+               reg = <0xe>;
+
+               vdd-supply = <&vreg_l15b_1p8>;
+               reset-gpios = <&tlmm 152 GPIO_ACTIVE_HIGH>;
+
+               mode-switch;
+               orientation-switch;
+
+               ports {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+
+                       port@0 {
+                               reg = <0>;
+
+                               wcd_usbss_sbu_mux: endpoint {
+                                       remote-endpoint = <&pmic_glink_sbu>;
+                               };
+                       };
+               };
+       };
+};
+
+&i2c6 {
+       status = "okay";
+
+       typec-mux@1c {
+               compatible = "onnn,nb7vpq904m";
+               reg = <0x1c>;
+
+               vcc-supply = <&vreg_l15b_1p8>;
+
+               retimer-switch;
+               orientation-switch;
+
+               ports {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+
+                       port@0 {
+                               reg = <0>;
+
+                               redriver_ss_out: endpoint {
+                                       remote-endpoint = <&pmic_glink_ss_in>;
+                               };
+                       };
+
+                       port@1 {
+                               reg = <1>;
+
+                               redriver_ss_in: endpoint {
+                                       data-lanes = <3 2 1 0>;
+                                       remote-endpoint = <&usb_dp_qmpphy_out>;
+                               };
+                       };
+               };
+       };
+};
+
 &ipa {
        qcom,gsi-loader = "self";
        memory-region = <&ipa_fw_mem>;
@@ -495,6 +567,15 @@
        status = "okay";
 };
 
+&mdss_dp0 {
+       status = "okay";
+};
+
+&mdss_dp0_out {
+       data-lanes = <0 1>;
+       remote-endpoint = <&usb_dp_qmpphy_dp_in>;
+};
+
 &mdss_mdp {
        status = "okay";
 };
@@ -600,6 +681,11 @@
        status = "okay";
 };
 
+&qup_i2c3_data_clk {
+       /* Use internal I2C pull-up */
+       bias-pull-up = <2200>;
+};
+
 &qupv3_id_0 {
        status = "okay";
 };
@@ -787,7 +873,7 @@
 };
 
 &usb_1_dwc3_ss {
-       remote-endpoint = <&pmic_glink_ss_in>;
+       remote-endpoint = <&usb_dp_qmpphy_usb_ss_in>;
 };
 
 &usb_1_hsphy {
@@ -803,9 +889,23 @@
        vdda-phy-supply = <&vreg_l3i_1p2>;
        vdda-pll-supply = <&vreg_l3g_0p91>;
 
+       orientation-switch;
+
        status = "okay";
 };
 
+&usb_dp_qmpphy_dp_in {
+       remote-endpoint = <&mdss_dp0_out>;
+};
+
+&usb_dp_qmpphy_out {
+       remote-endpoint = <&redriver_ss_in>;
+};
+
+&usb_dp_qmpphy_usb_ss_in {
+       remote-endpoint = <&usb_1_dwc3_ss>;
+};
+
 &xo_board {
        clock-frequency = <76800000>;
 };