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Date: Sat, 13 Nov 2021 12:37:08 -0600
From: Bjorn Andersson <bjorn.andersson@...aro.org>
To: Katherine Perez <kaperez@...ux.microsoft.com>
Cc: Andy Gross <agross@...nel.org>, Rob Herring <robh+dt@...nel.org>,
Vinod Koul <vkoul@...nel.org>, linux-arm-msm@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH v2 3/4] arm64: dts: qcom: sm8150: add DSI display
nodes
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@...ux.microsoft.com>
> ---
> 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@...0000 {
> 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@...0000 {
> compatible = "qcom,sm8150-mdss";
> reg = <0 0x0ae00000 0 0x1000>;
> @@ -3351,6 +3380,152 @@ opp-460000000 {
> };
> };
> };
> +
> + dsi0: dsi@...4000 {
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@...4400 {
> + 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@...6000 {
> + 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@...6400 {
> + 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@...0000 {
> @@ -3359,10 +3534,10 @@ dispcc: clock-controller@...0000 {
> 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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