Thread (17 messages) 17 messages, 4 authors, 2021-10-05

Re: [PATCH v1 4/4] arm64: dts: qcom: sc7280: add edp display dt nodes

From: Stephen Boyd <hidden>
Date: 2021-08-18 20:03:15
Also in: dri-devel, linux-arm-msm, lkml

Quoting Krishna Manikandan (2021-08-18 03:27:04)
quoted hunk ↗ jump to hunk
diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
index aadf55d..5be318e 100644
--- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
@@ -1412,7 +1412,7 @@
                        reg = <0 0xaf00000 0 0x20000>;
                        clocks = <&rpmhcc RPMH_CXO_CLK>,
                                 <&gcc GCC_DISP_GPLL0_CLK_SRC>,
-                                <0>, <0>, <0>, <0>, <0>, <0>;
+                                <0>, <0>, <0>, <0>, <&edp_phy 0>, <&edp_phy 1>;
                        clock-names = "bi_tcxo", "gcc_disp_gpll0_clk",
                                      "dsi0_phy_pll_out_byteclk",
                                      "dsi0_phy_pll_out_dsiclk",
@@ -1493,6 +1493,12 @@
                                                        remote-endpoint = <&dsi0_in>;
                                                };
                                        };
Newline here please.
quoted hunk ↗ jump to hunk
+                                       port@1 {
+                                               reg = <1>;
+                                               dpu_intf5_out: endpoint {
+                                                       remote-endpoint = <&edp_in>;
+                                               };
+                                       };
                                };

                                mdp_opp_table: mdp-opp-table {
@@ -1608,6 +1614,101 @@

                                status = "disabled";
                        };
+
+                       msm_edp: edp@aea0000 {
+                               status = "disabled";
Please pick a place to put status disabled. I don't know what qcom
maintainers want, but please be consistent.
+                               compatible = "qcom,sc7280-edp";
+                               reg = <0 0xaea0000 0 0x200>,
+                                     <0 0xaea0200 0 0x200>,
+                                     <0 0xaea0400 0 0xc00>,
+                                     <0 0xaea1000 0 0x400>;
+
+                               interrupt-parent = <&mdss>;
+                               interrupts = <14 IRQ_TYPE_NONE>;
Drop flags.
+
+                               clocks = <&rpmhcc RPMH_CXO_CLK>,
+                                        <&gcc GCC_EDP_CLKREF_EN>,
+                                        <&dispcc DISP_CC_MDSS_AHB_CLK>,
+                                        <&dispcc DISP_CC_MDSS_EDP_AUX_CLK>,
+                                        <&dispcc DISP_CC_MDSS_EDP_LINK_CLK>,
+                                        <&dispcc DISP_CC_MDSS_EDP_LINK_INTF_CLK>,
+                                        <&dispcc DISP_CC_MDSS_EDP_PIXEL_CLK>;
+                               clock-names = "core_xo", "core_ref",
+                                             "core_iface", "core_aux", "ctrl_link",
+                                             "ctrl_link_iface", "stream_pixel";
One line per string please.
+                               #clock-cells = <1>;
+                               assigned-clocks = <&dispcc DISP_CC_MDSS_EDP_LINK_CLK_SRC>,
+                                                 <&dispcc DISP_CC_MDSS_EDP_PIXEL_CLK_SRC>;
+                               assigned-clock-parents = <&edp_phy 0>, <&edp_phy 1>;
+
+                               phys = <&edp_phy>;
+                               phy-names = "dp";
+
+                               vdda-1p2-supply = <&vreg_l6b_1p2>;
+                               vdda-0p9-supply = <&vreg_l10c_0p8>;
Can this be done here? Probably needs to move to the board dts/dtsi
file.
+                               operating-points-v2 = <&edp_opp_table>;
+                               power-domains = <&rpmhpd SC7280_CX>;
+
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&edp_hot_plug_det>, <&edp_panel_power_on>;
+
+                               panel-bklt-gpio = <&pm8350c_gpios 7 GPIO_ACTIVE_HIGH>;
+                               panel-pwm-gpio = <&pm8350c_gpios 8 GPIO_ACTIVE_HIGH>;
Please no panel-bklt-gpio and panel-pwm-gpio properties.
+
+                               ports {
+                                       #address-cells = <1>;
+                                       #size-cells = <0>;
+                                       port@0 {
+                                               reg = <0>;
+                                               edp_in: endpoint {
+                                                       remote-endpoint = <&dpu_intf5_out>;
+                                               };
+                                       };
+                               };
+
+                               edp_opp_table: edp-opp-table {
edp_opp_table: 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_nom>;
+                                       };
+
+                                       opp-810000000 {
+                                               opp-hz = /bits/ 64 <810000000>;
+                                               required-opps = <&rpmhpd_opp_nom>;
+                                       };
+                               };
+                       };
+
+                       edp_phy: phy@aec2000 {
Good job on using phy!
+                               status = "disabled";
+                               compatible = "qcom,sc7280-edp-phy";
+                               reg = <0 0xaec2a00 0 0x19c>,
+                                     <0 0xaec2200 0 0xa0>,
+                                     <0 0xaec2600 0 0xa0>,
+                                     <0 0xaec2000 0 0x1c0>;
+
+                               clocks = <&rpmhcc RPMH_CXO_CLK>,
+                                        <&gcc GCC_EDP_CLKREF_EN>;
+                               clock-names = "aux", "cfg_ahb";
+
+                               vdda-pll-supply = <&vreg_l6b_1p2>;
+                               vdda-phy-supply = <&vreg_l10c_0p8>;
Again, still question the ability to put this here vs. in IDP file.
quoted hunk ↗ jump to hunk
+
+                               #clock-cells = <1>;
+                               #phy-cells = <0>;
+                       };
                };

                pdc: interrupt-controller@b220000 {
@@ -1704,6 +1805,30 @@
                                function = "qup13";
                        };

+                       edp_hot_plug_det: edp-hot-plug-det {
+                               pinmux {
+                                       pins = "gpio60";
+                                       function = "edp_hot";
+                               };
+                               pinconf {
+                                       pins = "gpio60";
+                                       bias-pull-down;
+                                       input-enable;
+                               };
Move pinconf stuff to board file (and combine nodes as mka stated).
+                       };
+
+                       edp_panel_power_on: edp-panel-power-on {
+                               pinmux {
+                                       pins = "gpio80";
+                                       function = "gpio";
+                               };
+                               pinconf {
+                                       pins = "gpio80";
+                                       bias-disable;
+                                       output-high;
+                               };
+                       };
+
                        sdc1_on: sdc1-on {
                                clk {
                                        pins = "sdc1_clk";
--
2.7.4
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