Re: [PATCH 2/4] arm64: dts: qcom: nord: Add display subsystem nodes

From: Shawn Guo

Date: Fri Sep 18 2026 - 03:46:56 EST

On Fri, Sep 18, 2026 at 09:37:38AM +0800, Shawn Guo wrote:
> From: Ritesh Kumar <ritesh.kumar@xxxxxxxxxxxxxxxx>
>
> Add the MDSS, DPU, DP controller and eDP PHY nodes for the Qualcomm Nord
> SoC. Nord has two independent display subsystems, MDSS0 at 0xae00000 and
> MDSS1 at 0x8c00000, each with two DP controllers and two eDP PHYs. Nord
> is DP-only, so no DSI nodes are added. Wire the DP PHY outputs into the
> dispcc0 and dispcc1 clock inputs, which were previously stubbed with
> zeroes, and add the eDP0-3 hot-plug-detect pinctrl states.
>
> Signed-off-by: Ritesh Kumar <ritesh.kumar@xxxxxxxxxxxxxxxx>
> Signed-off-by: Nabige Aala <nabige.aala@xxxxxxxxxxxxxxxx>
> Signed-off-by: Shawn Guo <shengchao.guo@xxxxxxxxxxxxxxxx>
> ---
> arch/arm64/boot/dts/qcom/nord-embedded.dtsi | 523 +++++++++++++++++++-
> arch/arm64/boot/dts/qcom/nord.dtsi | 266 ++++++++++
> 2 files changed, 781 insertions(+), 8 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/nord-embedded.dtsi b/arch/arm64/boot/dts/qcom/nord-embedded.dtsi
> index 6dc4c871f41e..74f4e6be8652 100644
> --- a/arch/arm64/boot/dts/qcom/nord-embedded.dtsi
> +++ b/arch/arm64/boot/dts/qcom/nord-embedded.dtsi
> @@ -346,6 +346,489 @@ &config_noc SLAVE_QUP_2 QCOM_ICC_TAG_ALWAYS>,
> pinctrl-names = "default";
> };
>
> +&mdss {

We will rename mdss to mdss0 to maintain consistency across platforms.

Shawn

> + power-domains = <&dispcc0 MDSS_DISP_CC_MDSS_CORE_GDSC>;
> +
> + clocks = <&dispcc0 MDSS_DISP_CC_MDSS_AHB_CLK>,
> + <&nwgcc NW_GCC_DISP_0_HF_AXI_CLK>,
> + <&dispcc0 MDSS_DISP_CC_MDSS_MDP_CLK>;
> +
> + resets = <&dispcc0 MDSS_DISP_CC_MDSS_CORE_BCR>;
> +
> + interconnects = <&mmss_noc MASTER_MDP0 QCOM_ICC_TAG_ALWAYS
> + &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>,
> + <&hscnoc MASTER_APPSS_PROC QCOM_ICC_TAG_ACTIVE_ONLY
> + &config_noc SLAVE_DISPLAY_CFG QCOM_ICC_TAG_ACTIVE_ONLY>;
> + interconnect-names = "mdp0-mem",
> + "cpu-cfg";
> +
> + dp0_phy: phy@fc3a00 {
> + compatible = "qcom,nord-dp-phy";
> + reg = <0x0 0x0fc3a00 0x0 0x1d0>,
> + <0x0 0x0fc3200 0x0 0x128>,
> + <0x0 0x0fc3600 0x0 0x128>,
> + <0x0 0x0fc3000 0x0 0x200>;
> +
> + clocks = <&dispcc0 MDSS_DISP_CC_MDSS_DPTX0_AUX_CLK>,
> + <&dispcc0 MDSS_DISP_CC_MDSS_AHB_CLK>,
> + <&tcsrcc TCSR_DP_TX_0_CLKREF_EN>;
> + clock-names = "aux",
> + "cfg_ahb",
> + "ref";
> +
> + #clock-cells = <1>;
> + #phy-cells = <0>;
> +
> + power-domains = <&rpmhpd RPMHPD_MX>;
> +
> + status = "disabled";
> + };
> +
> + dp1_phy: phy@fc6a00 {
> + compatible = "qcom,nord-dp-phy";
> + reg = <0x0 0x0fc6a00 0x0 0x200>,
> + <0x0 0x0fc6200 0x0 0xd0>,
> + <0x0 0x0fc6600 0x0 0xd0>,
> + <0x0 0x0fc6000 0x0 0x1c8>;
> +
> + clocks = <&dispcc0 MDSS_DISP_CC_MDSS_DPTX1_AUX_CLK>,
> + <&dispcc0 MDSS_DISP_CC_MDSS_AHB_CLK>,
> + <&tcsrcc TCSR_DP_TX_1_CLKREF_EN>;
> + clock-names = "aux",
> + "cfg_ahb",
> + "ref";
> +
> + #clock-cells = <1>;
> + #phy-cells = <0>;
> +
> + power-domains = <&rpmhpd RPMHPD_MX>;
> +
> + status = "disabled";
> + };
> +};
> +
> +&mdss_mdp {
> + clocks = <&nwgcc NW_GCC_DISP_0_HF_AXI_CLK>,
> + <&dispcc0 MDSS_DISP_CC_MDSS_AHB_CLK>,
> + <&dispcc0 MDSS_DISP_CC_MDSS_MDP_LUT_CLK>,
> + <&dispcc0 MDSS_DISP_CC_MDSS_MDP_CLK>,
> + <&dispcc0 MDSS_DISP_CC_MDSS_VSYNC_CLK>;
> + clock-names = "nrt_bus",
> + "iface",
> + "lut",
> + "core",
> + "vsync";
> +
> + assigned-clocks = <&dispcc0 MDSS_DISP_CC_MDSS_VSYNC_CLK>;
> + assigned-clock-rates = <19200000>;
> +
> + operating-points-v2 = <&mdp_opp_table>;
> +
> + power-domains = <&rpmhpd RPMHPD_MMCX>;
> +
> + mdp_opp_table: opp-table {
> + compatible = "operating-points-v2";
> +
> + opp-300000000 {
> + opp-hz = /bits/ 64 <300000000>;
> + required-opps = <&rpmhpd_opp_svs>;
> + };
> +
> + opp-417000000 {
> + opp-hz = /bits/ 64 <417000000>;
> + required-opps = <&rpmhpd_opp_svs_l1>;
> + };
> +
> + opp-532000000 {
> + opp-hz = /bits/ 64 <532000000>;
> + required-opps = <&rpmhpd_opp_nom>;
> + };
> +
> + opp-650000000 {
> + opp-hz = /bits/ 64 <650000000>;
> + required-opps = <&rpmhpd_opp_turbo>;
> + };
> + opp-710000000 {
> + opp-hz = /bits/ 64 <710000000>;
> + required-opps = <&rpmhpd_opp_turbo_l1>;
> + };
> + };
> +};
> +
> +&mdss_dp0 {
> + clocks = <&dispcc0 MDSS_DISP_CC_MDSS_AHB_CLK>,
> + <&dispcc0 MDSS_DISP_CC_MDSS_DPTX0_AUX_CLK>,
> + <&dispcc0 MDSS_DISP_CC_MDSS_DPTX0_LINK_CLK>,
> + <&dispcc0 MDSS_DISP_CC_MDSS_DPTX0_LINK_INTF_CLK>,
> + <&dispcc0 MDSS_DISP_CC_MDSS_DPTX0_PIXEL0_CLK>,
> + <&dispcc0 MDSS_DISP_CC_MDSS_DPTX0_PIXEL1_CLK>,
> + <&dispcc0 MDSS_DISP_CC_MDSS_DPTX0_PIXEL2_CLK>,
> + <&dispcc0 MDSS_DISP_CC_MDSS_DPTX0_PIXEL3_CLK>;
> + clock-names = "core_iface",
> + "core_aux",
> + "ctrl_link",
> + "ctrl_link_iface",
> + "stream_pixel",
> + "stream_1_pixel",
> + "stream_2_pixel",
> + "stream_3_pixel";
> +
> + assigned-clocks = <&dispcc0 MDSS_DISP_CC_MDSS_DPTX0_LINK_CLK_SRC>,
> + <&dispcc0 MDSS_DISP_CC_MDSS_DPTX0_PIXEL0_CLK_SRC>,
> + <&dispcc0 MDSS_DISP_CC_MDSS_DPTX0_PIXEL1_CLK_SRC>,
> + <&dispcc0 MDSS_DISP_CC_MDSS_DPTX0_PIXEL2_CLK_SRC>,
> + <&dispcc0 MDSS_DISP_CC_MDSS_DPTX0_PIXEL3_CLK_SRC>;
> + assigned-clock-parents = <&dp0_phy 0>,
> + <&dp0_phy 1>,
> + <&dp0_phy 1>,
> + <&dp0_phy 1>,
> + <&dp0_phy 1>;
> +
> + phys = <&dp0_phy>;
> + phy-names = "dp";
> +
> + operating-points-v2 = <&dp_opp_table>;
> +
> + power-domains = <&rpmhpd RPMHPD_MMCX>;
> +
> + pinctrl-0 = <&dp0_hot_plug_det>;
> + pinctrl-names = "default";
> +
> + dp_opp_table: opp-table {
> + compatible = "operating-points-v2";
> +
> + opp-162000000 {
> + opp-hz = /bits/ 64 <162000000>;
> +
> + required-opps = <&rpmhpd_opp_low_svs>;
> + };
> +
> + 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_dp1 {
> + clocks = <&dispcc0 MDSS_DISP_CC_MDSS_AHB_CLK>,
> + <&dispcc0 MDSS_DISP_CC_MDSS_DPTX1_AUX_CLK>,
> + <&dispcc0 MDSS_DISP_CC_MDSS_DPTX1_LINK_CLK>,
> + <&dispcc0 MDSS_DISP_CC_MDSS_DPTX1_LINK_INTF_CLK>,
> + <&dispcc0 MDSS_DISP_CC_MDSS_DPTX1_PIXEL0_CLK>,
> + <&dispcc0 MDSS_DISP_CC_MDSS_DPTX1_PIXEL1_CLK>,
> + <&dispcc0 MDSS_DISP_CC_MDSS_DPTX1_PIXEL2_CLK>,
> + <&dispcc0 MDSS_DISP_CC_MDSS_DPTX1_PIXEL3_CLK>;
> + clock-names = "core_iface",
> + "core_aux",
> + "ctrl_link",
> + "ctrl_link_iface",
> + "stream_pixel",
> + "stream_1_pixel",
> + "stream_2_pixel",
> + "stream_3_pixel";
> +
> + assigned-clocks = <&dispcc0 MDSS_DISP_CC_MDSS_DPTX1_LINK_CLK_SRC>,
> + <&dispcc0 MDSS_DISP_CC_MDSS_DPTX1_PIXEL0_CLK_SRC>,
> + <&dispcc0 MDSS_DISP_CC_MDSS_DPTX1_PIXEL1_CLK_SRC>;
> + assigned-clock-parents = <&dp1_phy 0>,
> + <&dp1_phy 1>,
> + <&dp1_phy 1>;
> +
> + phys = <&dp1_phy>;
> + phy-names = "dp";
> +
> + operating-points-v2 = <&dp1_opp_table>;
> +
> + power-domains = <&rpmhpd RPMHPD_MMCX>;
> +
> + pinctrl-0 = <&dp1_hot_plug_det>;
> + pinctrl-names = "default";
> +
> + dp1_opp_table: opp-table {
> + compatible = "operating-points-v2";
> +
> + opp-162000000 {
> + opp-hz = /bits/ 64 <162000000>;
> +
> + required-opps = <&rpmhpd_opp_low_svs>;
> + };
> +
> + 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>;
> + };
> + };
> +};
> +
> +&mdss1 {
> + power-domains = <&dispcc1 MDSS_DISP_CC_MDSS_CORE_GDSC>;
> +
> + clocks = <&dispcc1 MDSS_DISP_CC_MDSS_AHB_CLK>,
> + <&nwgcc NW_GCC_DISP_1_HF_AXI_CLK>,
> + <&dispcc1 MDSS_DISP_CC_MDSS_MDP_CLK>;
> +
> + resets = <&dispcc1 MDSS_DISP_CC_MDSS_CORE_BCR>;
> +
> + interconnects = <&mmss_noc MASTER_MDP1 QCOM_ICC_TAG_ALWAYS
> + &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>,
> + <&hscnoc MASTER_APPSS_PROC QCOM_ICC_TAG_ACTIVE_ONLY
> + &config_noc SLAVE_DISPLAY_1_CFG QCOM_ICC_TAG_ACTIVE_ONLY>;
> + interconnect-names = "mdp0-mem",
> + "cpu-cfg";
> +
> + dp2_phy: phy@fc9a00 {
> + compatible = "qcom,nord-dp-phy";
> + reg = <0x0 0x0fc9a00 0x0 0x1d0>,
> + <0x0 0x0fc9200 0x0 0x128>,
> + <0x0 0x0fc9600 0x0 0x128>,
> + <0x0 0x0fc9000 0x0 0x200>;
> +
> + clocks = <&dispcc1 MDSS_DISP_CC_MDSS_DPTX0_AUX_CLK>,
> + <&dispcc1 MDSS_DISP_CC_MDSS_AHB_CLK>,
> + <&tcsrcc TCSR_DP_TX_2_CLKREF_EN>;
> + clock-names = "aux",
> + "cfg_ahb",
> + "ref";
> +
> + #clock-cells = <1>;
> + #phy-cells = <0>;
> +
> + power-domains = <&rpmhpd RPMHPD_MX>;
> +
> + status = "disabled";
> + };
> +
> + dp3_phy: phy@fcca00 {
> + compatible = "qcom,nord-dp-phy";
> + reg = <0x0 0x0fcca00 0x0 0x200>,
> + <0x0 0x0fcc200 0x0 0xd0>,
> + <0x0 0x0fcc600 0x0 0xd0>,
> + <0x0 0x0fcc000 0x0 0x1c8>;
> +
> + clocks = <&dispcc1 MDSS_DISP_CC_MDSS_DPTX1_AUX_CLK>,
> + <&dispcc1 MDSS_DISP_CC_MDSS_AHB_CLK>,
> + <&tcsrcc TCSR_DP_TX_3_CLKREF_EN>;
> + clock-names = "aux",
> + "cfg_ahb",
> + "ref";
> +
> + #clock-cells = <1>;
> + #phy-cells = <0>;
> +
> + power-domains = <&rpmhpd RPMHPD_MX>;
> +
> + status = "disabled";
> + };
> +};
> +
> +&mdss1_mdp {
> + clocks = <&nwgcc NW_GCC_DISP_1_HF_AXI_CLK>,
> + <&dispcc1 MDSS_DISP_CC_MDSS_AHB_CLK>,
> + <&dispcc1 MDSS_DISP_CC_MDSS_MDP_LUT_CLK>,
> + <&dispcc1 MDSS_DISP_CC_MDSS_MDP_CLK>,
> + <&dispcc1 MDSS_DISP_CC_MDSS_VSYNC_CLK>;
> + clock-names = "nrt_bus",
> + "iface",
> + "lut",
> + "core",
> + "vsync";
> +
> + assigned-clocks = <&dispcc1 MDSS_DISP_CC_MDSS_VSYNC_CLK>;
> + assigned-clock-rates = <19200000>;
> +
> + operating-points-v2 = <&mdp1_opp_table>;
> +
> + power-domains = <&rpmhpd RPMHPD_MMCX>;
> +
> + mdp1_opp_table: opp-table {
> + compatible = "operating-points-v2";
> +
> + opp-300000000 {
> + opp-hz = /bits/ 64 <300000000>;
> + required-opps = <&rpmhpd_opp_svs>;
> + };
> +
> + opp-417000000 {
> + opp-hz = /bits/ 64 <417000000>;
> + required-opps = <&rpmhpd_opp_svs_l1>;
> + };
> +
> + opp-532000000 {
> + opp-hz = /bits/ 64 <532000000>;
> + required-opps = <&rpmhpd_opp_nom>;
> + };
> +
> + opp-650000000 {
> + opp-hz = /bits/ 64 <650000000>;
> + required-opps = <&rpmhpd_opp_turbo>;
> + };
> +
> + opp-710000000 {
> + opp-hz = /bits/ 64 <710000000>;
> + required-opps = <&rpmhpd_opp_turbo_l1>;
> + };
> + };
> +};
> +
> +&mdss1_dp0 {
> + clocks = <&dispcc1 MDSS_DISP_CC_MDSS_AHB_CLK>,
> + <&dispcc1 MDSS_DISP_CC_MDSS_DPTX0_AUX_CLK>,
> + <&dispcc1 MDSS_DISP_CC_MDSS_DPTX0_LINK_CLK>,
> + <&dispcc1 MDSS_DISP_CC_MDSS_DPTX0_LINK_INTF_CLK>,
> + <&dispcc1 MDSS_DISP_CC_MDSS_DPTX0_PIXEL0_CLK>,
> + <&dispcc1 MDSS_DISP_CC_MDSS_DPTX0_PIXEL1_CLK>,
> + <&dispcc1 MDSS_DISP_CC_MDSS_DPTX0_PIXEL2_CLK>,
> + <&dispcc1 MDSS_DISP_CC_MDSS_DPTX0_PIXEL3_CLK>;
> + clock-names = "core_iface",
> + "core_aux",
> + "ctrl_link",
> + "ctrl_link_iface",
> + "stream_pixel",
> + "stream_1_pixel",
> + "stream_2_pixel",
> + "stream_3_pixel";
> +
> + assigned-clocks = <&dispcc1 MDSS_DISP_CC_MDSS_DPTX0_LINK_CLK_SRC>,
> + <&dispcc1 MDSS_DISP_CC_MDSS_DPTX0_PIXEL0_CLK_SRC>,
> + <&dispcc1 MDSS_DISP_CC_MDSS_DPTX0_PIXEL1_CLK_SRC>,
> + <&dispcc1 MDSS_DISP_CC_MDSS_DPTX0_PIXEL2_CLK_SRC>,
> + <&dispcc1 MDSS_DISP_CC_MDSS_DPTX0_PIXEL3_CLK_SRC>;
> + assigned-clock-parents = <&dp2_phy 0>,
> + <&dp2_phy 1>,
> + <&dp2_phy 1>,
> + <&dp2_phy 1>,
> + <&dp2_phy 1>;
> +
> + phys = <&dp2_phy>;
> + phy-names = "dp";
> +
> + operating-points-v2 = <&dp2_opp_table>;
> +
> + power-domains = <&rpmhpd RPMHPD_MMCX>;
> +
> + pinctrl-0 = <&dp2_hot_plug_det>;
> + pinctrl-names = "default";
> +
> + dp2_opp_table: opp-table {
> + compatible = "operating-points-v2";
> +
> + opp-162000000 {
> + opp-hz = /bits/ 64 <162000000>;
> +
> + required-opps = <&rpmhpd_opp_low_svs>;
> + };
> +
> + 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>;
> + };
> + };
> +};
> +
> +&mdss1_dp1 {
> + clocks = <&dispcc1 MDSS_DISP_CC_MDSS_AHB_CLK>,
> + <&dispcc1 MDSS_DISP_CC_MDSS_DPTX1_AUX_CLK>,
> + <&dispcc1 MDSS_DISP_CC_MDSS_DPTX1_LINK_CLK>,
> + <&dispcc1 MDSS_DISP_CC_MDSS_DPTX1_LINK_INTF_CLK>,
> + <&dispcc1 MDSS_DISP_CC_MDSS_DPTX1_PIXEL0_CLK>,
> + <&dispcc1 MDSS_DISP_CC_MDSS_DPTX1_PIXEL1_CLK>,
> + <&dispcc1 MDSS_DISP_CC_MDSS_DPTX1_PIXEL2_CLK>,
> + <&dispcc1 MDSS_DISP_CC_MDSS_DPTX1_PIXEL3_CLK>;
> + clock-names = "core_iface",
> + "core_aux",
> + "ctrl_link",
> + "ctrl_link_iface",
> + "stream_pixel",
> + "stream_1_pixel",
> + "stream_2_pixel",
> + "stream_3_pixel";
> +
> + assigned-clocks = <&dispcc1 MDSS_DISP_CC_MDSS_DPTX1_LINK_CLK_SRC>,
> + <&dispcc1 MDSS_DISP_CC_MDSS_DPTX1_PIXEL0_CLK_SRC>,
> + <&dispcc1 MDSS_DISP_CC_MDSS_DPTX1_PIXEL1_CLK_SRC>;
> + assigned-clock-parents = <&dp3_phy 0>,
> + <&dp3_phy 1>,
> + <&dp3_phy 1>;
> +
> + phys = <&dp3_phy>;
> + phy-names = "dp";
> +
> + operating-points-v2 = <&dp3_opp_table>;
> +
> + power-domains = <&rpmhpd RPMHPD_MMCX>;
> +
> + pinctrl-0 = <&dp3_hot_plug_det>;
> + pinctrl-names = "default";
> +
> + dp3_opp_table: opp-table {
> + compatible = "operating-points-v2";
> +
> + opp-162000000 {
> + opp-hz = /bits/ 64 <162000000>;
> +
> + required-opps = <&rpmhpd_opp_low_svs>;
> + };
> +
> + 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>;
> + };
> + };
> +};
> +
> &qupv3_0 {
> clocks = <&segcc SE_GCC_QUPV3_WRAP0_M_AHB_CLK>,
> <&segcc SE_GCC_QUPV3_WRAP0_S_AHB_CLK>;
> @@ -903,10 +1386,10 @@ dispcc1: clock-controller@8d00000 {
> <0>,
> <0>,
> <0>,
> - <0>,
> - <0>,
> - <0>,
> - <0>,
> + <&dp2_phy 0>,
> + <&dp2_phy 1>,
> + <&dp3_phy 0>,
> + <&dp3_phy 1>,
> <0>,
> <0>,
> <0>,
> @@ -970,10 +1453,10 @@ dispcc0: clock-controller@af00000 {
> <0>,
> <0>,
> <0>,
> - <0>,
> - <0>,
> - <0>,
> - <0>,
> + <&dp0_phy 0>,
> + <&dp0_phy 1>,
> + <&dp1_phy 0>,
> + <&dp1_phy 1>,
> <0>,
> <0>,
> <0>,
> @@ -1106,6 +1589,30 @@ nsp_data_noc_3: interconnect@1fe00000 {
> };
>
> &tlmm {
> + dp0_hot_plug_det: dp0-hot-plug-det-state {
> + pins = "gpio51";
> + function = "edp0_hot";
> + bias-disable;
> + };
> +
> + dp1_hot_plug_det: dp1-hot-plug-det-state {
> + pins = "gpio52";
> + function = "edp1_hot";
> + bias-disable;
> + };
> +
> + dp2_hot_plug_det: dp2-hot-plug-det-state {
> + pins = "gpio53";
> + function = "edp2_hot";
> + bias-disable;
> + };
> +
> + dp3_hot_plug_det: dp3-hot-plug-det-state {
> + pins = "gpio54";
> + function = "edp3_hot";
> + bias-disable;
> + };
> +
> qup_i2c0_default: qup-i2c0-default-state {
> pins = "gpio111", "gpio112";
> function = "qup0_se0";
> diff --git a/arch/arm64/boot/dts/qcom/nord.dtsi b/arch/arm64/boot/dts/qcom/nord.dtsi
> index 926ccf3bbe4e..73136c27bac1 100644
> --- a/arch/arm64/boot/dts/qcom/nord.dtsi
> +++ b/arch/arm64/boot/dts/qcom/nord.dtsi
> @@ -1727,6 +1727,139 @@ compute-cb@6 {
> };
> };
>
> + /* Display subsystem nodes - MDSS1, DP-only (no DSI) */
> + mdss1: display-subsystem@8c00000 {
> + compatible = "qcom,nord-mdss";
> + reg = <0x0 0x08c00000 0x0 0x1000>;
> + reg-names = "mdss";
> +
> + interrupts = <GIC_SPI 436 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-controller;
> + #interrupt-cells = <1>;
> +
> + iommus = <&apps_smmu_1 0x400 0x2>;
> +
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges;
> +
> + status = "disabled";
> +
> + mdss1_mdp: display-controller@8c01000 {
> + compatible = "qcom,nord-dpu";
> + reg = <0x0 0x08c01000 0x0 0x8f000>,
> + <0x0 0x08cb0000 0x0 0x3000>;
> + reg-names = "mdp",
> + "vbif";
> +
> + interrupt-parent = <&mdss1>;
> + interrupts = <0>;
> +
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges;
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> +
> + dpu1_intf0_out: endpoint {
> + remote-endpoint = <&mdss1_dp0_in>;
> + };
> + };
> +
> + port@1 {
> + reg = <1>;
> +
> + dpu1_intf4_out: endpoint {
> + remote-endpoint = <&mdss1_dp1_in>;
> + };
> + };
> + };
> + };
> +
> + mdss1_dp0: displayport-controller@8d54000 {
> + compatible = "qcom,nord-dp";
> + reg = <0x0 0x08d54000 0x0 0x200>,
> + <0x0 0x08d54200 0x0 0x200>,
> + <0x0 0x08d55000 0x0 0xc00>,
> + <0x0 0x08d56000 0x0 0x400>,
> + <0x0 0x08d57000 0x0 0x400>,
> + <0x0 0x08d58000 0x0 0x400>,
> + <0x0 0x08d59000 0x0 0x400>,
> + <0x0 0x08d5a000 0x0 0x600>,
> + <0x0 0x08d5b000 0x0 0x600>;
> +
> + interrupts-extended = <&mdss1 12>;
> +
> + #sound-dai-cells = <0>;
> +
> + status = "disabled";
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> +
> + mdss1_dp0_in: endpoint {
> + remote-endpoint = <&dpu1_intf0_out>;
> + };
> + };
> +
> + port@1 {
> + reg = <1>;
> +
> + mdss1_dp0_out: endpoint {
> + };
> + };
> + };
> + };
> +
> + mdss1_dp1: displayport-controller@8d5c000 {
> + compatible = "qcom,nord-dp";
> + reg = <0x0 0x08d5c000 0x0 0x200>,
> + <0x0 0x08d5c200 0x0 0x200>,
> + <0x0 0x08d5d000 0x0 0xc00>,
> + <0x0 0x08d5e000 0x0 0x400>,
> + <0x0 0x08d5f000 0x0 0x400>,
> + <0x0 0x08d60000 0x0 0x400>,
> + <0x0 0x08d61000 0x0 0x400>,
> + <0x0 0x08d62000 0x0 0x600>,
> + <0x0 0x08d63000 0x0 0x600>;
> +
> + interrupts-extended = <&mdss1 13>;
> +
> + #sound-dai-cells = <0>;
> +
> + status = "disabled";
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> +
> + mdss1_dp1_in: endpoint {
> + remote-endpoint = <&dpu1_intf4_out>;
> + };
> + };
> +
> + port@1 {
> + reg = <1>;
> +
> + mdss1_dp1_out: endpoint {
> + };
> + };
> + };
> + };
> + };
> +
> ipcc0: mailbox@9007000 {
> compatible = "qcom,nord-ipcc",
> "qcom,ipcc";
> @@ -1737,6 +1870,139 @@ ipcc0: mailbox@9007000 {
> #mbox-cells = <2>;
> };
>
> + /* Display subsystem nodes - MDSS 12.1, DP-only (no DSI) */
> + mdss: display-subsystem@ae00000 {
> + compatible = "qcom,nord-mdss";
> + reg = <0x0 0x0ae00000 0x0 0x1000>;
> + reg-names = "mdss";
> +
> + interrupts = <GIC_SPI 930 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-controller;
> + #interrupt-cells = <1>;
> +
> + iommus = <&apps_smmu_1 0x3e0 0x2>;
> +
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges;
> +
> + status = "disabled";
> +
> + mdss_mdp: display-controller@ae01000 {
> + compatible = "qcom,nord-dpu";
> + reg = <0x0 0x0ae01000 0x0 0x8f000>,
> + <0x0 0x0aeb0000 0x0 0x3000>;
> + reg-names = "mdp",
> + "vbif";
> +
> + interrupt-parent = <&mdss>;
> + interrupts = <0>;
> +
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges;
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> +
> + dpu_intf0_out: endpoint {
> + remote-endpoint = <&mdss_dp0_in>;
> + };
> + };
> +
> + port@1 {
> + reg = <1>;
> +
> + dpu_intf4_out: endpoint {
> + remote-endpoint = <&mdss_dp1_in>;
> + };
> + };
> + };
> + };
> +
> + mdss_dp0: displayport-controller@af54000 {
> + compatible = "qcom,nord-dp";
> + reg = <0x0 0x0af54000 0x0 0x200>,
> + <0x0 0x0af54200 0x0 0x200>,
> + <0x0 0x0af55000 0x0 0xc00>,
> + <0x0 0x0af56000 0x0 0x400>,
> + <0x0 0x0af57000 0x0 0x400>,
> + <0x0 0x0af58000 0x0 0x400>,
> + <0x0 0x0af59000 0x0 0x400>,
> + <0x0 0x0af5a000 0x0 0x600>,
> + <0x0 0x0af5b000 0x0 0x600>;
> +
> + interrupts-extended = <&mdss 12>;
> +
> + #sound-dai-cells = <0>;
> +
> + 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 {
> + };
> + };
> + };
> + };
> +
> + mdss_dp1: displayport-controller@af5c000 {
> + compatible = "qcom,nord-dp";
> + reg = <0x0 0x0af5c000 0x0 0x200>,
> + <0x0 0x0af5c200 0x0 0x200>,
> + <0x0 0x0af5d000 0x0 0xc00>,
> + <0x0 0x0af5e000 0x0 0x400>,
> + <0x0 0x0af5f000 0x0 0x400>,
> + <0x0 0x0af60000 0x0 0x400>,
> + <0x0 0x0af61000 0x0 0x400>,
> + <0x0 0x0af62000 0x0 0x600>,
> + <0x0 0x0af63000 0x0 0x600>;
> +
> + interrupts-extended = <&mdss 13>;
> +
> + #sound-dai-cells = <0>;
> +
> + status = "disabled";
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> +
> + mdss_dp1_in: endpoint {
> + remote-endpoint = <&dpu_intf4_out>;
> + };
> + };
> +
> + port@1 {
> + reg = <1>;
> +
> + mdss_dp1_out: endpoint {
> + };
> + };
> + };
> + };
> + };
> +
> pdc: interrupt-controller@b220000 {
> compatible = "qcom,nord-pdc",
> "qcom,pdc";
> --
> 2.43.0
>