Re: [PATCH 3/3] arm64: dts: qcom: sm8150: Wire up MDSS

From: Bjorn Andersson
Date: Tue Dec 27 2022 - 23:26:34 EST

On Mon, Dec 12, 2022 at 10:33:14AM +0100, Konrad Dybcio wrote:
> Add required nodes for MDSS and hook up provided clocks in DISPCC.
> This setup is almost identical to 8[23]50.
>
> Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
> ---
> arch/arm64/boot/dts/qcom/sm8150.dtsi | 271 ++++++++++++++++++++++++++-
> 1 file changed, 267 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/sm8150.dtsi b/arch/arm64/boot/dts/qcom/sm8150.dtsi
> index ff04397777f4..c0c1e781eb43 100644
> --- a/arch/arm64/boot/dts/qcom/sm8150.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8150.dtsi
> @@ -9,6 +9,7 @@
> #include <dt-bindings/power/qcom-rpmpd.h>
> #include <dt-bindings/soc/qcom,rpmh-rsc.h>
> #include <dt-bindings/clock/qcom,rpmh.h>
> +#include <dt-bindings/clock/qcom,dispcc-sm8150.h>
> #include <dt-bindings/clock/qcom,gcc-sm8150.h>
> #include <dt-bindings/clock/qcom,gpucc-sm8150.h>
> #include <dt-bindings/interconnect/qcom,osm-l3.h>
> @@ -3579,14 +3580,276 @@ camnoc_virt: interconnect@ac00000 {
> qcom,bcm-voters = <&apps_bcm_voter>;
> };
>
> + mdss: mdss@ae00000 {

As you're fixing up the dispcc patch, "display-subsystem@" seems nicer.

Regards,
Bjorn

> + compatible = "qcom,sm8150-mdss";
> + reg = <0 0x0ae00000 0 0x1000>;
> + reg-names = "mdss";
> +
> + interconnects = <&mmss_noc MASTER_MDP_PORT0 &mc_virt SLAVE_EBI_CH0>,
> + <&mmss_noc MASTER_MDP_PORT1 &mc_virt SLAVE_EBI_CH0>;
> + interconnect-names = "mdp0-mem", "mdp1-mem";
> +
> + power-domains = <&dispcc MDSS_GDSC>;
> +
> + 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 0x800 0x420>;
> +
> + status = "disabled";
> +
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges;
> +
> + mdss_mdp: display-controller@ae01000 {
> + compatible = "qcom,sm8150-dpu";
> + reg = <0 0x0ae01000 0 0x8f000>,
> + <0 0x0aeb0000 0 0x2008>;
> + reg-names = "mdp", "vbif";
> +
> + clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>,
> + <&gcc GCC_DISP_HF_AXI_CLK>,
> + <&dispcc DISP_CC_MDSS_MDP_CLK>,
> + <&dispcc DISP_CC_MDSS_VSYNC_CLK>;
> + clock-names = "iface", "bus", "core", "vsync";
> +
> + assigned-clocks = <&dispcc DISP_CC_MDSS_VSYNC_CLK>;
> + assigned-clock-rates = <19200000>;
> +
> + operating-points-v2 = <&mdp_opp_table>;
> + power-domains = <&rpmhpd SM8150_MMCX>;
> +
> + interrupt-parent = <&mdss>;
> + interrupts = <0>;
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> + dpu_intf1_out: endpoint {
> + remote-endpoint = <&mdss_dsi0_in>;
> + };
> + };
> +
> + port@1 {
> + reg = <1>;
> + dpu_intf2_out: endpoint {
> + remote-endpoint = <&mdss_dsi1_in>;
> + };
> + };
> + };
> +
> + mdp_opp_table: opp-table {
> + compatible = "operating-points-v2";
> +
> + opp-171428571 {
> + opp-hz = /bits/ 64 <171428571>;
> + required-opps = <&rpmhpd_opp_low_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_dsi0: dsi@ae94000 {
> + 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 = <&dsi_opp_table>;
> + power-domains = <&rpmhpd SM8150_MMCX>;
> +
> + phys = <&mdss_dsi0_phy>;
> +
> + status = "disabled";
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> + mdss_dsi0_in: endpoint {
> + remote-endpoint = <&dpu_intf1_out>;
> + };
> + };
> +
> + port@1 {
> + reg = <1>;
> + mdss_dsi0_out: endpoint {
> + };
> + };
> + };
> +
> + dsi_opp_table: opp-table {
> + compatible = "operating-points-v2";
> +
> + opp-187500000 {
> + opp-hz = /bits/ 64 <187500000>;
> + required-opps = <&rpmhpd_opp_low_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>;
> + };
> + };
> + };
> +
> + mdss_dsi0_phy: phy@ae94400 {
> + compatible = "qcom,dsi-phy-7nm";
> + 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@ae96000 {
> + compatible = "qcom,mdss-dsi-ctrl";
> + reg = <0 0x0ae96000 0 0x400>;
> + reg-names = "dsi_ctrl";
> +
> + interrupt-parent = <&mdss>;
> + interrupts = <5>;
> +
> + 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 = <&dsi_opp_table>;
> + power-domains = <&rpmhpd SM8150_MMCX>;
> +
> + phys = <&mdss_dsi1_phy>;
> +
> + status = "disabled";
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> + mdss_dsi1_in: endpoint {
> + remote-endpoint = <&dpu_intf2_out>;
> + };
> + };
> +
> + port@1 {
> + reg = <1>;
> + mdss_dsi1_out: endpoint {
> + };
> + };
> + };
> + };
> +
> + mdss_dsi1_phy: phy@ae96400 {
> + compatible = "qcom,dsi-phy-7nm";
> + 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@af00000 {
> compatible = "qcom,sm8150-dispcc";
> reg = <0 0x0af00000 0 0x10000>;
> clocks = <&rpmhcc RPMH_CXO_CLK>,
> - <0>,
> - <0>,
> - <0>,
> - <0>,
> + <&mdss_dsi0_phy 0>,
> + <&mdss_dsi0_phy 1>,
> + <&mdss_dsi1_phy 0>,
> + <&mdss_dsi1_phy 1>,
> <0>,
> <0>;
> clock-names = "bi_tcxo",
> --
> 2.38.1
>