[PATCH v4 2/2] arm64: dts: qcom: sm8550: add display port nodes

From: Neil Armstrong
Date: Tue Jun 13 2023 - 03:30:48 EST


Add the Display Port controller subnode to the MDSS node.

Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
Signed-off-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/sm8550.dtsi | 89 +++++++++++++++++++++++++++++++++++-
1 file changed, 87 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sm8550.dtsi b/arch/arm64/boot/dts/qcom/sm8550.dtsi
index 972df1ef86ee..b41b3981b3ce 100644
--- a/arch/arm64/boot/dts/qcom/sm8550.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8550.dtsi
@@ -2495,6 +2495,13 @@ dpu_intf2_out: endpoint {
remote-endpoint = <&mdss_dsi1_in>;
};
};
+
+ port@2 {
+ reg = <2>;
+ dpu_intf0_out: endpoint {
+ remote-endpoint = <&mdss_dp0_in>;
+ };
+ };
};

mdp_opp_table: opp-table {
@@ -2522,6 +2529,84 @@ opp-514000000 {
};
};

+ mdss_dp0: displayport-controller@ae90000 {
+ compatible = "qcom,sm8550-dp", "qcom,sm8350-dp";
+ reg = <0 0xae90000 0 0x200>,
+ <0 0xae90200 0 0x200>,
+ <0 0xae90400 0 0xc00>,
+ <0 0xae91000 0 0x400>,
+ <0 0xae91400 0 0x400>;
+ interrupt-parent = <&mdss>;
+ interrupts = <12>;
+ clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>,
+ <&dispcc DISP_CC_MDSS_DPTX0_AUX_CLK>,
+ <&dispcc DISP_CC_MDSS_DPTX0_LINK_CLK>,
+ <&dispcc DISP_CC_MDSS_DPTX0_LINK_INTF_CLK>,
+ <&dispcc DISP_CC_MDSS_DPTX0_PIXEL0_CLK>;
+ clock-names = "core_iface",
+ "core_aux",
+ "ctrl_link",
+ "ctrl_link_iface",
+ "stream_pixel";
+
+ assigned-clocks = <&dispcc DISP_CC_MDSS_DPTX0_LINK_CLK_SRC>,
+ <&dispcc DISP_CC_MDSS_DPTX0_PIXEL0_CLK_SRC>;
+ assigned-clock-parents = <&usb_dp_qmpphy QMP_USB43DP_DP_LINK_CLK>,
+ <&usb_dp_qmpphy QMP_USB43DP_DP_VCO_DIV_CLK>;
+
+ phys = <&usb_dp_qmpphy QMP_USB43DP_DP_PHY>;
+ phy-names = "dp";
+
+ #sound-dai-cells = <0>;
+
+ operating-points-v2 = <&dp_opp_table>;
+ power-domains = <&rpmhpd SM8550_MMCX>;
+
+ status = "disabled";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ mdss_dp0_in: endpoint {
+ remote-endpoint = <&dpu_intf0_out>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+ mdss_dp0_out: endpoint {
+ };
+ };
+ };
+
+ dp_opp_table: opp-table {
+ compatible = "operating-points-v2";
+
+ opp-162000000 {
+ opp-hz = /bits/ 64 <162000000>;
+ required-opps = <&rpmhpd_opp_low_svs_d1>;
+ };
+
+ opp-270000000 {
+ opp-hz = /bits/ 64 <270000000>;
+ required-opps = <&rpmhpd_opp_low_svs>;
+ };
+
+ opp-540000000 {
+ opp-hz = /bits/ 64 <540000000>;
+ required-opps = <&rpmhpd_opp_svs_l1>;
+ };
+
+ opp-810000000 {
+ opp-hz = /bits/ 64 <810000000>;
+ required-opps = <&rpmhpd_opp_nom>;
+ };
+ };
+ };
+
mdss_dsi0: dsi@ae94000 {
compatible = "qcom,sm8550-dsi-ctrl", "qcom,mdss-dsi-ctrl";
reg = <0 0x0ae94000 0 0x400>;
@@ -2705,8 +2790,8 @@ dispcc: clock-controller@af00000 {
<&mdss_dsi0_phy 1>,
<&mdss_dsi1_phy 0>,
<&mdss_dsi1_phy 1>,
- <0>, /* dp0 */
- <0>,
+ <&usb_dp_qmpphy QMP_USB43DP_DP_LINK_CLK>,
+ <&usb_dp_qmpphy QMP_USB43DP_DP_VCO_DIV_CLK>,
<0>, /* dp1 */
<0>,
<0>, /* dp2 */

--
2.34.1