Re: [RFC PATCH v2 3/4] arm64: dts: qcom: sm8150: add DSI display nodes

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On Fri 12 Nov 20:39 CST 2021, Katherine Perez wrote:

> Add DSI controller and PHY nodes to sm8150.
> 
> Signed-off-by: Katherine Perez <kaperez@xxxxxxxxxxxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/qcom/sm8150.dtsi | 183 ++++++++++++++++++++++++++-
>  1 file changed, 179 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8150.dtsi b/arch/arm64/boot/dts/qcom/sm8150.dtsi
> index 38dbc39103ba..afa612daefa1 100644
> --- a/arch/arm64/boot/dts/qcom/sm8150.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8150.dtsi
> @@ -3261,6 +3261,35 @@ camnoc_virt: interconnect@ac00000 {
>  			qcom,bcm-voters = <&apps_bcm_voter>;
>  		};
>  
> +		dsi_opp_table: dsi-opp-table {

As this isn't a mmio device, can we please move it outside of /soc as
well?

> +			compatible = "operating-points-v2";
> +
> +			opp-19200000 {
> +				opp-hz = /bits/ 64 <19200000>;
> +				required-opps = <&rpmhpd_opp_min_svs>;
> +			};
> +
> +			opp-180000000 {
> +				opp-hz = /bits/ 64 <180000000>;
> +				required-opps = <&rpmhpd_opp_low_svs>;
> +			};
> +
> +			opp-275000000 {
> +				opp-hz = /bits/ 64 <275000000>;
> +				required-opps = <&rpmhpd_opp_svs>;
> +			};
> +
> +			opp-328580000 {
> +				opp-hz = /bits/ 64 <328580000>;
> +				required-opps = <&rpmhpd_opp_svs_l1>;
> +			};
> +
> +			opp-358000000 {
> +				opp-hz = /bits/ 64 <358000000>;
> +				required-opps = <&rpmhpd_opp_nom>;
> +			};
> +		};
> +
>  		mdss: mdss@ae00000 {
>  			compatible = "qcom,sm8150-mdss";
>  			reg = <0 0x0ae00000 0 0x1000>;
> @@ -3351,6 +3380,152 @@ opp-460000000 {
>  					};
>  				};
>  			};
> +
> +			dsi0: dsi@ae94000 {

If you change the label to mdss_dsi0: instead, they group nicely with
the other mdss related nodes in your device's dts.


Apart from that I think this series looks good.

Thanks,
Bjorn

> +				compatible = "qcom,mdss-dsi-ctrl";
> +				reg = <0 0x0ae94000 0 0x400>;
> +				reg-names = "dsi_ctrl";
> +
> +				interrupt-parent = <&mdss>;
> +				interrupts = <4 IRQ_TYPE_LEVEL_HIGH>;
> +
> +				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 SM8150_MMCX>;
> +
> +				phys = <&dsi0_phy>;
> +				phy-names = "dsi";
> +
> +				status = "disabled";
> +
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +
> +				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 {
> +						};
> +					};
> +				};
> +			};
> +
> +			dsi0_phy: dsi-phy@ae94400 {
> +				compatible = "qcom,dsi-phy-7nm-8150";
> +				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@ae96000 {
> +				compatible = "qcom,mdss-dsi-ctrl";
> +				reg = <0 0x0ae96000 0 0x400>;
> +				reg-names = "dsi_ctrl";
> +
> +				interrupt-parent = <&mdss>;
> +				interrupts = <5 IRQ_TYPE_LEVEL_HIGH>;
> +
> +				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 SM8150_CX>;
> +
> +				phys = <&dsi1_phy>;
> +				phy-names = "dsi";
> +
> +				status = "disabled";
> +
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +
> +				ports {
> +					#address-cells = <1>;
> +					#size-cells = <0>;
> +
> +					port@0 {
> +						reg = <0>;
> +						dsi1_in: endpoint {
> +							remote-endpoint = <&dpu_intf2_out>;
> +						};
> +					};
> +
> +					port@1 {
> +						reg = <1>;
> +						dsi1_out: endpoint {
> +						};
> +					};
> +				};
> +			};
> +
> +			dsi1_phy: dsi-phy@ae96400 {
> +				compatible = "qcom,dsi-phy-7nm-8150";
> +				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 {
> @@ -3359,10 +3534,10 @@ dispcc: clock-controller@af00000 {
>  			power-domains = <&rpmhpd SM8150_MMCX>;
>  			required-opps = <&rpmhpd_opp_low_svs>;
>  			clocks = <&rpmhcc RPMH_CXO_CLK>,
> -				 <0>,
> -				 <0>,
> -				 <0>,
> -				 <0>,
> +				 <&dsi0_phy 0>,
> +				 <&dsi0_phy 1>,
> +				 <&dsi1_phy 0>,
> +				 <&dsi1_phy 1>,
>  				 <0>,
>  				 <0>;
>  			clock-names = "bi_tcxo",
> -- 
> 2.31.1
> 



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