Add DP device node on sc7180.

Changes in v2:

- Add assigned-clocks and assigned-clock-parents
- Remove cell-index and pixel_rcg
- Change compatible to qcom,sc7180-dp

Changes in v3:
- Update commit text
- Make DP child node of MDSS
- Remove data-lanes property from SOC dts
- Disable DP node in SOC dts
- Assign DP to Port2 in MDP node
- Add MDSS AHB clock in DP device node

Changes in v4:
- Remove redundant reg-names property
- Use IRQ flag instead had hard coded value.
- Add link clock source in assigned-clocks list.

Changes in v5:
- Add OPP table and power-domains for DisplayPort

This patch depends-on following series:
https://lore.kernel.org/dri-devel/20200807071718.17937-1-tan...@codeaurora.org/

Signed-off-by: Tanmay Shah <tan...@codeaurora.org>
Co-developed-by: Kuogee Hsieh <khs...@codeaurora.org>
Signed-off-by: Kuogee Hsieh <khs...@codeaurora.org>
---
 arch/arm64/boot/dts/qcom/sc7180.dtsi | 76 +++++++++++++++++++++++++++-
 1 file changed, 74 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi 
b/arch/arm64/boot/dts/qcom/sc7180.dtsi
index 31b9217bb5bf..2998fae863a7 100644
--- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
@@ -2371,6 +2371,13 @@ dpu_intf1_out: endpoint {
                                                        remote-endpoint = 
<&dsi0_in>;
                                                };
                                        };
+
+                                       port@2 {
+                                               reg = <2>;
+                                               dpu_intf0_out: endpoint {
+                                                       remote-endpoint = 
<&dp_in>;
+                                               };
+                                       };
                                };
                        };
 
@@ -2440,6 +2447,71 @@ dsi_phy: dsi-phy@ae94400 {
 
                                status = "disabled";
                        };
+
+                       msm_dp: displayport-controller@ae90000 {
+                               status = "disabled";
+                               compatible = "qcom,sc7180-dp";
+
+                               reg = <0 0x0ae90000 0 0x1400>;
+
+                               interrupt-parent = <&mdss>;
+                               interrupts = <12 IRQ_TYPE_NONE>;
+
+                               clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>,
+                                        <&dispcc DISP_CC_MDSS_DP_AUX_CLK>,
+                                        <&dispcc DISP_CC_MDSS_DP_LINK_CLK>,
+                                        <&dispcc 
DISP_CC_MDSS_DP_LINK_INTF_CLK>,
+                                        <&dispcc DISP_CC_MDSS_DP_PIXEL_CLK>;
+                               clock-names = "core_iface", "core_aux", 
"ctrl_link",
+                                             "ctrl_link_iface", "stream_pixel";
+                               #clock-cells = <1>;
+                               assigned-clocks = <&dispcc 
DISP_CC_MDSS_DP_LINK_CLK_SRC>,
+                                                 <&dispcc 
DISP_CC_MDSS_DP_PIXEL_CLK_SRC>;
+                               assigned-clock-parents = <&msm_dp 0>, <&msm_dp 
1>;
+
+                               operating-points-v2 = <&dp_opp_table>;
+                               power-domains = <&rpmhpd SC7180_CX>;
+
+                               ports {
+                                       #address-cells = <1>;
+                                       #size-cells = <0>;
+                                       port@0 {
+                                               reg = <0>;
+                                               dp_in: endpoint {
+                                                       remote-endpoint = 
<&dpu_intf0_out>;
+                                               };
+                                       };
+
+                                       port@1 {
+                                               reg = <1>;
+                                               dp_out: endpoint { };
+                                       };
+                               };
+
+                               dp_opp_table: dp-opp-table {
+                                       compatible = "operating-points-v2";
+
+                                       opp-160000000 {
+                                               opp-hz = /bits/ 64 <160000000>;
+                                               required-opps = 
<&rpmhpd_opp_low_svs>;
+                                       };
+
+                                       opp-270000000 {
+                                               opp-hz = /bits/ 64 <270000000>;
+                                               required-opps = 
<&rpmhpd_opp_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>;
+                                       };
+                               };
+                       };
                };
 
                dispcc: clock-controller@af00000 {
@@ -2449,8 +2521,8 @@ dispcc: clock-controller@af00000 {
                                 <&gcc GCC_DISP_GPLL0_CLK_SRC>,
                                 <&dsi_phy 0>,
                                 <&dsi_phy 1>,
-                                <0>,
-                                <0>;
+                                <&msm_dp 0>,
+                                <&msm_dp 1>;
                        clock-names = "bi_tcxo",
                                      "gcc_disp_gpll0_clk_src",
                                      "dsi0_phy_pll_out_byteclk",
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

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