[PATCH v1 2/5] arm64: dts: qcom: sm8450: add display hardware devices
Krzysztof Kozlowski
krzysztof.kozlowski at linaro.org
Fri Nov 4 14:17:05 UTC 2022
On 04/11/2022 09:13, Dmitry Baryshkov wrote:
> Add devices tree nodes describing display hardware on SM8450:
> - Display Clock Controller
> - MDSS
> - MDP
> - two DSI controllers and DSI PHYs
>
> This does not provide support for DP controllers present on SM8450.
>
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
> ---
> arch/arm64/boot/dts/qcom/sm8450.dtsi | 284 ++++++++++++++++++++++++++-
> 1 file changed, 280 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi
> index 250e6b883ca3..23f989dedfdb 100644
> --- a/arch/arm64/boot/dts/qcom/sm8450.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi
> @@ -2401,6 +2401,282 @@ camcc: clock-controller at ade0000 {
> status = "disabled";
> };
>
> + mdss: mdss at ae00000 {
> + compatible = "qcom,sm8450-mdss";
> + reg = <0 0x0ae00000 0 0x1000>;
> + reg-names = "mdss";
> +
> + /* same path used twice */
> + interconnects = <&mmss_noc MASTER_MDP_DISP 0 &mc_virt SLAVE_EBI1_DISP 0>,
> + <&mmss_noc MASTER_MDP_DISP 0 &mc_virt SLAVE_EBI1_DISP 0>;
> + interconnect-names = "mdp0-mem", "mdp1-mem";
> +
> + resets = <&dispcc DISP_CC_MDSS_CORE_BCR>;
> +
> + 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 0x2800 0x402>;
> +
> + status = "disabled";
Status as last property.
> +
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges;
> +
> + mdss_mdp: mdp at ae01000 {
Isn't this "display-controller" in the bindings and other cases?
> + compatible = "qcom,sm8450-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 = <&mdp_opp_table>;
> + power-domains = <&rpmhpd SM8450_MMCX>;
> +
> + interrupt-parent = <&mdss>;
> + interrupts = <0>;
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port at 0 {
> + reg = <0>;
> + dpu_intf1_out: endpoint {
> + remote-endpoint = <&dsi0_in>;
> + };
> + };
> +
> + port at 1 {
> + reg = <1>;
> + dpu_intf2_out: endpoint {
> + remote-endpoint = <&dsi1_in>;
> + };
> + };
> +
> + };
> +
> + mdp_opp_table: mdp-opp-table {
> + compatible = "operating-points-v2";
> +
> + opp-172000000 {
> + opp-hz = /bits/ 64 <172000000>;
> + required-opps = <&rpmhpd_opp_low_svs_d1>;
> + };
> +
> + opp-200000000 {
> + opp-hz = /bits/ 64 <200000000>;
> + required-opps = <&rpmhpd_opp_low_svs>;
> + };
> +
> + opp-325000000 {
> + opp-hz = /bits/ 64 <325000000>;
> + required-opps = <&rpmhpd_opp_svs>;
> + };
> +
> + opp-375000000 {
> + opp-hz = /bits/ 64 <375000000>;
> + required-opps = <&rpmhpd_opp_svs_l1>;
> + };
> +
> + opp-500000000 {
> + opp-hz = /bits/ 64 <500000000>;
> + required-opps = <&rpmhpd_opp_nom>;
> + };
> + };
> + };
> +
> + dsi0: dsi at 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 = <&dsi0_phy 0>, <&dsi0_phy 1>;
> +
> + operating-points-v2 = <&dsi_opp_table>;
> + power-domains = <&rpmhpd SM8450_MMCX>;
> +
> + phys = <&dsi0_phy>;
> + phy-names = "dsi";
> +
> + status = "disabled";
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port at 0 {
> + reg = <0>;
> + dsi0_in: endpoint {
> + remote-endpoint = <&dpu_intf1_out>;
> + };
> + };
> +
> + port at 1 {
> + reg = <1>;
> + dsi0_out: endpoint {
> + };
> + };
> + };
> + };
> +
> + dsi0_phy: dsi-phy at ae94400 {
You were just renaming all these to "phy" recently.
> + 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";
> + };
> +
> + dsi1: dsi at 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 = <&dsi1_phy 0>, <&dsi1_phy 1>;
> +
> + operating-points-v2 = <&dsi_opp_table>;
> + power-domains = <&rpmhpd SM8450_MMCX>;
> +
> + phys = <&dsi1_phy>;
> + phy-names = "dsi";
> +
> + status = "disabled";
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port at 0 {
> + reg = <0>;
> + dsi1_in: endpoint {
> + remote-endpoint = <&dpu_intf2_out>;
> + };
> + };
> +
> + port at 1 {
> + reg = <1>;
> + dsi1_out: endpoint {
> + };
> + };
> + };
> + };
> +
> + dsi1_phy: dsi-phy at ae96400 {
Same here
Best regards,
Krzysztof
More information about the dri-devel
mailing list