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

From: Konrad Dybcio
Date: Thu Jun 01 2023 - 05:59:03 EST




On 1.06.2023 11:52, Neil Armstrong wrote:
> Add the Display Port controller subnode to the MDSS node.
>
> 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 75cd374943eb..73524afc2e3a 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_CX>;
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_svs>;
low_svs

With these fixed:

Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>

Konrad
> + };
> +
> + 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 */
>