Hi, On Tue, Jan 28, 2020 at 06:54:44PM +0530, Harigovindan P wrote: > Add display, DSI hardware DT nodes for sc7180. > > Signed-off-by: Harigovindan P <harigovi@xxxxxxxxxxxxxx> > --- > > Changes in v1: > -Added display DT nodes for sc7180 > Changes in v2: > -Renamed node names > -Corrected code alignments > -Removed extra new line > -Added DISP AHB clock for register access > under display_subsystem node for global settings > Changes in v3: > -Modified node names > -Modified hard coded values > -Removed mdss reg entry > Changes in v4: > -Reverting mdp node name > -Setting status to disabled in main SOC dtsi file > -Replacing _ to - for node names > -Adding clock dependency patch link > -Splitting idp dt file to a separate patch > > This patch has dependency on the below series > https://lkml.org/lkml/2019/12/27/73 > arch/arm64/boot/dts/qcom/sc7180.dtsi | 128 +++++++++++++++++++++++++++++++++++ > 1 file changed, 128 insertions(+) > > diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi > index 3bc3f64..c3883af 100644 > --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi > +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi > @@ -1184,6 +1184,134 @@ > #power-domain-cells = <1>; > }; > > + mdss: mdss@ae00000 { > + compatible = "qcom,sc7180-mdss"; > + reg = <0 0x0ae00000 0 0x1000>; > + reg-names = "mdss"; > + > + power-domains = <&dispcc MDSS_GDSC>; > + > + clocks = <&gcc GCC_DISP_AHB_CLK>, > + <&gcc GCC_DISP_HF_AXI_CLK>, > + <&dispcc DISP_CC_MDSS_AHB_CLK>, > + <&dispcc DISP_CC_MDSS_MDP_CLK>; > + clock-names = "iface", "gcc_bus", "ahb", "core"; > + > + assigned-clocks = <&dispcc DISP_CC_MDSS_MDP_CLK>; > + assigned-clock-rates = <300000000>; > + > + interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>; > + interrupt-controller; > + #interrupt-cells = <1>; > + > + iommus = <&apps_smmu 0x800 0x2>; > + > + #address-cells = <2>; > + #size-cells = <2>; > + ranges; > + > + mdss_mdp: mdp@ae01000 { > + compatible = "qcom,sc7180-dpu"; > + reg = <0 0x0ae01000 0 0x8f000>, > + <0 0x0aeb0000 0 0x2008>, > + <0 0x0af03000 0 0x16>; > + reg-names = "mdp", "vbif", "disp_cc"; > + > + clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>, > + <&dispcc DISP_CC_MDSS_ROT_CLK>, > + <&dispcc DISP_CC_MDSS_MDP_LUT_CLK>, > + <&dispcc DISP_CC_MDSS_MDP_CLK>, > + <&dispcc DISP_CC_MDSS_VSYNC_CLK>; > + clock-names = "iface", "rot", "lut", "core", > + "vsync"; > + assigned-clocks = <&dispcc DISP_CC_MDSS_MDP_CLK>, > + <&dispcc DISP_CC_MDSS_VSYNC_CLK>; > + assigned-clock-rates = <300000000>, > + <19200000>; The clock rate for DISP_CC_MDSS_MDP_CLK is already specified in the parent node, do we really want/need to specify it twice?