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Date: Wed, 8 Mar 2023 15:51:11 -0800
From: Jessica Zhang <quic_jesszhan@...cinc.com>
To: Robert Foss <robert.foss@...aro.org>, <robdclark@...il.com>,
<quic_abhinavk@...cinc.com>, <dmitry.baryshkov@...aro.org>,
<sean@...rly.run>, <airlied@...il.com>, <daniel@...ll.ch>,
<robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
<agross@...nel.org>, <andersson@...nel.org>,
<konrad.dybcio@...ainline.org>,
<angelogioacchino.delregno@...ainline.org>,
<loic.poulain@...aro.org>, <vkoul@...nel.org>, <a39.skl@...il.com>,
<quic_khsieh@...cinc.com>, <quic_vpolimer@...cinc.com>,
<swboyd@...omium.org>, <dianders@...omium.org>,
<liushixin2@...wei.com>, <linux-arm-msm@...r.kernel.org>,
<dri-devel@...ts.freedesktop.org>,
<freedreno@...ts.freedesktop.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, Jonathan Marek <jonathan@...ek.ca>,
<vinod.koul@...aro.org>
Subject: Re: [PATCH v4 09/11] arm64: dts: qcom: sm8350: Add display system
nodes
On 12/30/2022 7:35 AM, Robert Foss wrote:
> Add mdss, mdss_mdp, dsi0, dsi0_phy nodes. With these
> nodes the display subsystem is configured to support
> one DSI output.
>
> Signed-off-by: Robert Foss <robert.foss@...aro.org>
Reviewed-by: Jessica Zhang <quic_jesszhan@...cinc.com>
Tested-by: Jessica Zhang <quic_jesszhan@...cinc.com> #SM8350 (HDK)
> ---
> arch/arm64/boot/dts/qcom/sm8350.dtsi | 297 ++++++++++++++++++++++++++-
> 1 file changed, 293 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/sm8350.dtsi b/arch/arm64/boot/dts/qcom/sm8350.dtsi
> index bdefbbb2e38f..a80c0bf6d7fd 100644
> --- a/arch/arm64/boot/dts/qcom/sm8350.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8350.dtsi
> @@ -3,6 +3,7 @@
> * Copyright (c) 2020, Linaro Limited
> */
>
> +#include <dt-bindings/interconnect/qcom,sm8350.h>
> #include <dt-bindings/interrupt-controller/arm-gic.h>
> #include <dt-bindings/clock/qcom,dispcc-sm8350.h>
> #include <dt-bindings/clock/qcom,gcc-sm8350.h>
> @@ -2535,14 +2536,302 @@ usb_2_dwc3: usb@...0000 {
> };
> };
>
> + mdss: display-subsystem@...0000 {
> + compatible = "qcom,sm8350-mdss";
> + reg = <0 0x0ae00000 0 0x1000>;
> + reg-names = "mdss";
> +
> + interconnects = <&mmss_noc MASTER_MDP0 0 &mc_virt SLAVE_EBI1 0>,
> + <&mmss_noc MASTER_MDP1 0 &mc_virt SLAVE_EBI1 0>;
> + interconnect-names = "mdp0-mem", "mdp1-mem";
> +
> + power-domains = <&dispcc MDSS_GDSC>;
> + resets = <&dispcc DISP_CC_MDSS_CORE_BCR>;
> +
> + clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>,
> + <&gcc GCC_DISP_HF_AXI_CLK>,
> + <&gcc GCC_DISP_SF_AXI_CLK>,
> + <&dispcc DISP_CC_MDSS_MDP_CLK>;
> + clock-names = "iface", "bus", "nrt_bus", "core";
> +
> + interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-controller;
> + #interrupt-cells = <1>;
> +
> + iommus = <&apps_smmu 0x820 0x402>;
> +
> + status = "disabled";
> +
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges;
> +
> + dpu_opp_table: opp-table {
> + compatible = "operating-points-v2";
> +
> + /* TODO: opp-200000000 should work with
> + * &rpmhpd_opp_low_svs, but one some of
> + * sm8350_hdk boards reboot using this
> + * opp.
> + */
> + opp-200000000 {
> + opp-hz = /bits/ 64 <200000000>;
> + required-opps = <&rpmhpd_opp_svs>;
> + };
> +
> + opp-300000000 {
> + opp-hz = /bits/ 64 <300000000>;
> + required-opps = <&rpmhpd_opp_svs>;
> + };
> +
> + opp-345000000 {
> + opp-hz = /bits/ 64 <345000000>;
> + required-opps = <&rpmhpd_opp_svs_l1>;
> + };
> +
> + opp-460000000 {
> + opp-hz = /bits/ 64 <460000000>;
> + required-opps = <&rpmhpd_opp_nom>;
> + };
> + };
> +
> + mdss_mdp: display-controller@...1000 {
> + compatible = "qcom,sm8350-dpu";
> + reg = <0 0x0ae01000 0 0x8f000>,
> + <0 0x0aeb0000 0 0x2008>;
> + reg-names = "mdp", "vbif";
> +
> + clocks = <&gcc GCC_DISP_HF_AXI_CLK>,
> + <&gcc GCC_DISP_SF_AXI_CLK>,
> + <&dispcc DISP_CC_MDSS_AHB_CLK>,
> + <&dispcc DISP_CC_MDSS_MDP_LUT_CLK>,
> + <&dispcc DISP_CC_MDSS_MDP_CLK>,
> + <&dispcc DISP_CC_MDSS_VSYNC_CLK>;
> + clock-names = "bus",
> + "nrt_bus",
> + "iface",
> + "lut",
> + "core",
> + "vsync";
> +
> + assigned-clocks = <&dispcc DISP_CC_MDSS_VSYNC_CLK>;
> + assigned-clock-rates = <19200000>;
> +
> + operating-points-v2 = <&dpu_opp_table>;
> + power-domains = <&rpmhpd SM8350_MMCX>;
> +
> + interrupt-parent = <&mdss>;
> + interrupts = <0>;
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> + dpu_intf1_out: endpoint {
> + remote-endpoint = <&dsi0_in>;
> + };
> + };
> + };
> + };
> +
> + mdss_dsi0: dsi@...4000 {
> + compatible = "qcom,mdss-dsi-ctrl";
> + reg = <0 0x0ae94000 0 0x400>;
> + reg-names = "dsi_ctrl";
> +
> + interrupt-parent = <&mdss>;
> + interrupts = <4>;
> +
> + clocks = <&dispcc DISP_CC_MDSS_BYTE0_CLK>,
> + <&dispcc DISP_CC_MDSS_BYTE0_INTF_CLK>,
> + <&dispcc DISP_CC_MDSS_PCLK0_CLK>,
> + <&dispcc DISP_CC_MDSS_ESC0_CLK>,
> + <&dispcc DISP_CC_MDSS_AHB_CLK>,
> + <&gcc GCC_DISP_HF_AXI_CLK>;
> + clock-names = "byte",
> + "byte_intf",
> + "pixel",
> + "core",
> + "iface",
> + "bus";
> +
> + assigned-clocks = <&dispcc DISP_CC_MDSS_BYTE0_CLK_SRC>,
> + <&dispcc DISP_CC_MDSS_PCLK0_CLK_SRC>;
> + assigned-clock-parents = <&mdss_dsi0_phy 0>,
> + <&mdss_dsi0_phy 1>;
> +
> + operating-points-v2 = <&dsi0_opp_table>;
> + power-domains = <&rpmhpd SM8350_MMCX>;
> +
> + phys = <&mdss_dsi0_phy>;
> +
> + status = "disabled";
> +
> + dsi0_opp_table: opp-table {
> + compatible = "operating-points-v2";
> +
> + /* TODO: opp-187500000 should work with
> + * &rpmhpd_opp_low_svs, but one some of
> + * sm8350_hdk boards reboot using this
> + * opp.
> + */
> + opp-187500000 {
> + opp-hz = /bits/ 64 <187500000>;
> + required-opps = <&rpmhpd_opp_svs>;
> + };
> +
> + opp-300000000 {
> + opp-hz = /bits/ 64 <300000000>;
> + required-opps = <&rpmhpd_opp_svs>;
> + };
> +
> + opp-358000000 {
> + opp-hz = /bits/ 64 <358000000>;
> + required-opps = <&rpmhpd_opp_svs_l1>;
> + };
> + };
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> + dsi0_in: endpoint {
> + remote-endpoint = <&dpu_intf1_out>;
> + };
> + };
> +
> + port@1 {
> + reg = <1>;
> + dsi0_out: endpoint {
> + };
> + };
> + };
> + };
> +
> + mdss_dsi0_phy: phy@...4400 {
> + compatible = "qcom,dsi-phy-5nm-8350";
> + reg = <0 0x0ae94400 0 0x200>,
> + <0 0x0ae94600 0 0x280>,
> + <0 0x0ae94900 0 0x260>;
> + reg-names = "dsi_phy",
> + "dsi_phy_lane",
> + "dsi_pll";
> +
> + #clock-cells = <1>;
> + #phy-cells = <0>;
> +
> + clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>,
> + <&rpmhcc RPMH_CXO_CLK>;
> + clock-names = "iface", "ref";
> +
> + status = "disabled";
> + };
> +
> + mdss_dsi1: dsi@...6000 {
> + compatible = "qcom,mdss-dsi-ctrl";
> + reg = <0 0x0ae96000 0 0x400>;
> + reg-names = "dsi_ctrl";
> +
> + interrupt-parent = <&mdss>;
> + interrupts = <4>;
> +
> + clocks = <&dispcc DISP_CC_MDSS_BYTE1_CLK>,
> + <&dispcc DISP_CC_MDSS_BYTE1_INTF_CLK>,
> + <&dispcc DISP_CC_MDSS_PCLK1_CLK>,
> + <&dispcc DISP_CC_MDSS_ESC1_CLK>,
> + <&dispcc DISP_CC_MDSS_AHB_CLK>,
> + <&gcc GCC_DISP_HF_AXI_CLK>;
> + clock-names = "byte",
> + "byte_intf",
> + "pixel",
> + "core",
> + "iface",
> + "bus";
> +
> + assigned-clocks = <&dispcc DISP_CC_MDSS_BYTE1_CLK_SRC>,
> + <&dispcc DISP_CC_MDSS_PCLK1_CLK_SRC>;
> + assigned-clock-parents = <&mdss_dsi1_phy 0>,
> + <&mdss_dsi1_phy 1>;
> +
> + operating-points-v2 = <&dsi1_opp_table>;
> + power-domains = <&rpmhpd SM8350_MMCX>;
> +
> + phys = <&mdss_dsi1_phy>;
> +
> + status = "disabled";
> +
> + dsi1_opp_table: opp-table {
> + compatible = "operating-points-v2";
> +
> + /* TODO: opp-187500000 should work with
> + * &rpmhpd_opp_low_svs, but one some of
> + * sm8350_hdk boards reboot using this
> + * opp.
> + */
> + opp-187500000 {
> + opp-hz = /bits/ 64 <187500000>;
> + required-opps = <&rpmhpd_opp_svs>;
> + };
> +
> + opp-300000000 {
> + opp-hz = /bits/ 64 <300000000>;
> + required-opps = <&rpmhpd_opp_svs>;
> + };
> +
> + opp-358000000 {
> + opp-hz = /bits/ 64 <358000000>;
> + required-opps = <&rpmhpd_opp_svs_l1>;
> + };
> + };
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> + dsi1_in: endpoint {
> + };
> + };
> +
> + port@1 {
> + reg = <1>;
> + dsi1_out: endpoint {
> + };
> + };
> + };
> + };
> +
> + mdss_dsi1_phy: phy@...6400 {
> + compatible = "qcom,dsi-phy-5nm-8350";
> + reg = <0 0x0ae96400 0 0x200>,
> + <0 0x0ae96600 0 0x280>,
> + <0 0x0ae96900 0 0x260>;
> + reg-names = "dsi_phy",
> + "dsi_phy_lane",
> + "dsi_pll";
> +
> + #clock-cells = <1>;
> + #phy-cells = <0>;
> +
> + clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>,
> + <&rpmhcc RPMH_CXO_CLK>;
> + clock-names = "iface", "ref";
> +
> + status = "disabled";
> + };
> + };
> +
> dispcc: clock-controller@...0000 {
> compatible = "qcom,sm8350-dispcc";
> reg = <0 0x0af00000 0 0x10000>;
> clocks = <&rpmhcc RPMH_CXO_CLK>,
> - <0>,
> - <0>,
> - <0>,
> - <0>,
> + <&mdss_dsi0_phy 0>, <&mdss_dsi0_phy 1>,
> + <0>, <0>,
> <0>,
> <0>;
> clock-names = "bi_tcxo",
> --
> 2.34.1
>
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