arm64: dts: msm8916: Add display support

The MSM8916 SoC contains a MDP5 based display block, and one DSI output.
Add the top level MDSS DT node, and the MDP5, DSI and DSI PHY children
sub-blocks. Establish the link between MDP5's INTF1 output port and DSI's
input port.

Cc: Andy Gross <andy.gross@linaro.org>
Cc: Rob Herring <robh@kernel.org>
Cc: devicetree@vger.kernel.org
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>

diff --git a/arch/arm64/boot/dts/qcom/msm8916.dtsi b/arch/arm64/boot/dts/qcom/msm8916.dtsi
index 74daf89..466ca57 100644 (file)
--- a/arch/arm64/boot/dts/qcom/msm8916.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8916.dtsi
@@ -684,6 +684,123 @@
                        nvmem-cell-names = "calib", "calib_sel";
                        #thermal-sensor-cells = <1>;
                };
+
+               mdss: mdss@1a00000 {
+                       compatible = "qcom,mdss";
+                       reg = <0x1a00000 0x1000>,
+                             <0x1ac8000 0x3000>;
+                       reg-names = "mdss_phys", "vbif_phys";
+
+                       power-domains = <&gcc MDSS_GDSC>;
+
+                       clocks = <&gcc GCC_MDSS_AHB_CLK>,
+                                <&gcc GCC_MDSS_AXI_CLK>,
+                                <&gcc GCC_MDSS_VSYNC_CLK>;
+                       clock-names = "iface_clk",
+                                     "bus_clk",
+                                     "vsync_clk";
+
+                       interrupts = <0 72 0>;
+
+                       interrupt-controller;
+                       #interrupt-cells = <1>;
+
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+                       ranges;
+
+                       mdp: mdp@1a01000 {
+                               compatible = "qcom,mdp5";
+                               reg = <0x1a01000 0x90000>;
+                               reg-names = "mdp_phys";
+
+                               interrupt-parent = <&mdss>;
+                               interrupts = <0 0>;
+
+                               clocks = <&gcc GCC_MDSS_AHB_CLK>,
+                                        <&gcc GCC_MDSS_AXI_CLK>,
+                                        <&gcc GCC_MDSS_MDP_CLK>,
+                                        <&gcc GCC_MDSS_VSYNC_CLK>;
+                               clock-names = "iface_clk",
+                                             "bus_clk",
+                                             "core_clk",
+                                             "vsync_clk";
+
+                               ports {
+                                       #address-cells = <1>;
+                                       #size-cells = <0>;
+
+                                       port@0 {
+                                               reg = <0>;
+                                               mdp5_intf1_out: endpoint {
+                                                       remote-endpoint = <&dsi0_in>;
+                                               };
+                                       };
+                               };
+                       };
+
+                       dsi0: dsi@1a98000 {
+                               compatible = "qcom,mdss-dsi-ctrl";
+                               reg = <0x1a98000 0x25c>;
+                               reg-names = "dsi_ctrl";
+
+                               interrupt-parent = <&mdss>;
+                               interrupts = <4 0>;
+
+                               assigned-clocks = <&gcc BYTE0_CLK_SRC>,
+                                                 <&gcc PCLK0_CLK_SRC>;
+                               assigned-clock-parents = <&dsi_phy0 0>,
+                                                        <&dsi_phy0 1>;
+
+                               clocks = <&gcc GCC_MDSS_MDP_CLK>,
+                                        <&gcc GCC_MDSS_AHB_CLK>,
+                                        <&gcc GCC_MDSS_AXI_CLK>,
+                                        <&gcc GCC_MDSS_BYTE0_CLK>,
+                                        <&gcc GCC_MDSS_PCLK0_CLK>,
+                                        <&gcc GCC_MDSS_ESC0_CLK>;
+                               clock-names = "mdp_core_clk",
+                                             "iface_clk",
+                                             "bus_clk",
+                                             "byte_clk",
+                                             "pixel_clk",
+                                             "core_clk";
+                               phys = <&dsi_phy0>;
+                               phy-names = "dsi-phy";
+
+                               ports {
+                                       #address-cells = <1>;
+                                       #size-cells = <0>;
+
+                                       port@0 {
+                                               reg = <0>;
+                                               dsi0_in: endpoint {
+                                                       remote-endpoint = <&mdp5_intf1_out>;
+                                               };
+                                       };
+
+                                       port@1 {
+                                               reg = <1>;
+                                               dsi0_out: endpoint {
+                                               };
+                                       };
+                               };
+                       };
+
+                       dsi_phy0: dsi-phy@1a98300 {
+                               compatible = "qcom,dsi-phy-28nm-lp";
+                               reg = <0x1a98300 0xd4>,
+                                     <0x1a98500 0x280>,
+                                     <0x1a98780 0x30>;
+                               reg-names = "dsi_pll",
+                                           "dsi_phy",
+                                           "dsi_phy_regulator";
+
+                               #clock-cells = <1>;
+
+                               clocks = <&gcc GCC_MDSS_AHB_CLK>;
+                               clock-names = "iface_clk";
+                       };
+               };
        };
 
        smd {