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Date: Sat, 11 Jun 2022 02:20:31 +0300 From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org> To: Luca Weiss <luca@...tu.xyz>, linux-arm-msm@...r.kernel.org Cc: ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org, Vladimir Lypak <vladimir.lypak@...il.com>, Andy Gross <agross@...nel.org>, Bjorn Andersson <bjorn.andersson@...aro.org>, Rob Herring <robh+dt@...nel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH 2/2] arm64: dts: qcom: msm8953: add MDSS On 11/06/2022 01:53, Luca Weiss wrote: > From: Vladimir Lypak <vladimir.lypak@...il.com> > > Add the MDSS, MDP and DSI nodes that are found on msm8953 SoC. > > IOMMU is not added because support for it isn't yet upstream and MDSS > works fine without IOMMU on 8953. > > Signed-off-by: Vladimir Lypak <vladimir.lypak@...il.com> > Signed-off-by: Luca Weiss <luca@...tu.xyz> Looks good, few minor nits below. > --- > arch/arm64/boot/dts/qcom/msm8953.dtsi | 202 ++++++++++++++++++++++++++ > 1 file changed, 202 insertions(+) > > diff --git a/arch/arm64/boot/dts/qcom/msm8953.dtsi b/arch/arm64/boot/dts/qcom/msm8953.dtsi > index ffc3ec2cd3bc..a2aca3d05899 100644 > --- a/arch/arm64/boot/dts/qcom/msm8953.dtsi > +++ b/arch/arm64/boot/dts/qcom/msm8953.dtsi > @@ -726,6 +726,208 @@ tcsr_phy_clk_scheme_sel: syscon@...f044 { > reg = <0x193f044 0x4>; > }; > > + mdss: mdss@...0000 { > + compatible = "qcom,mdss"; > + > + reg = <0x1a00000 0x1000>, > + <0x1ab0000 0x1040>; > + reg-names = "mdss_phys", > + "vbif_phys"; > + > + power-domains = <&gcc MDSS_GDSC>; > + interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>; > + > + interrupt-controller; > + #interrupt-cells = <1>; > + > + clocks = <&gcc GCC_MDSS_AHB_CLK>, > + <&gcc GCC_MDSS_AXI_CLK>, > + <&gcc GCC_MDSS_VSYNC_CLK>; Please also add GCC_MDSS_MDP_CLK at the end of this array. It might be required to read HW_REV register. > + clock-names = "iface", > + "bus", > + "vsync"; > + > + #address-cells = <1>; > + #size-cells = <1>; > + ranges; status = "disabled"; > + > + mdp: mdp@...1000 { > + compatible = "qcom,mdp5"; > + reg = <0x1a01000 0x89000>; > + reg-names = "mdp_phys"; > + > + interrupt-parent = <&mdss>; > + interrupts = <0>; > + > + power-domains = <&gcc MDSS_GDSC>; > + > + clocks = <&gcc GCC_MDSS_AHB_CLK>, > + <&gcc GCC_MDSS_AXI_CLK>, > + <&gcc GCC_MDSS_MDP_CLK>, > + <&gcc GCC_MDSS_VSYNC_CLK>; > + clock-names = "iface", > + "bus", > + "core", > + "vsync"; > + > + // iommus = <&apps_iommu 0xc00 0>; > + > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + reg = <0>; > + mdp5_intf1_out: endpoint { > + remote-endpoint = <&dsi0_in>; > + }; > + }; > + > + port@1 { > + reg = <1>; > + mdp5_intf2_out: endpoint { > + remote-endpoint = <&dsi1_in>; > + }; > + }; > + }; > + }; > + > + dsi0: dsi@...4000 { > + compatible = "qcom,mdss-dsi-ctrl"; > + reg = <0x1a94000 0x400>; > + reg-names = "dsi_ctrl"; > + > + interrupt-parent = <&mdss>; > + interrupts = <4>; > + > + assigned-clocks = <&gcc BYTE0_CLK_SRC>, > + <&gcc PCLK0_CLK_SRC>; > + assigned-clock-parents = <&dsi0_phy 0>, > + <&dsi0_phy 1>; > + > + clocks = <&gcc GCC_MDSS_MDP_CLK>, > + <&gcc GCC_MDSS_AHB_CLK>, > + <&gcc GCC_MDSS_AXI_CLK>, > + <&gcc GCC_MDSS_BYTE0_CLK>, > + <&gcc GCC_MDSS_PCLK0_CLK>, > + <&gcc GCC_MDSS_ESC0_CLK>; > + clock-names = "mdp_core", > + "iface", > + "bus", > + "byte", > + "pixel", > + "core"; > + > + phys = <&dsi0_phy>; > + phy-names = "dsi"; > + > + #address-cells = <1>; > + #size-cells = <0>; status = "disabled"; > + > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + reg = <0>; > + dsi0_in: endpoint { > + remote-endpoint = <&mdp5_intf1_out>; > + }; > + }; > + > + port@1 { > + reg = <1>; > + dsi0_out: endpoint { > + }; > + }; > + }; > + }; > + > + dsi0_phy: dsi-phy@...4400 { > + compatible = "qcom,dsi-phy-14nm-8953"; > + reg = <0x1a94400 0x100>, > + <0x1a94500 0x300>, > + <0x1a94800 0x188>; > + reg-names = "dsi_phy", > + "dsi_phy_lane", > + "dsi_pll"; > + > + #clock-cells = <1>; > + #phy-cells = <0>; status = "disabled"; > + > + clocks = <&gcc GCC_MDSS_AHB_CLK>, <&xo_board>; > + clock-names = "iface", "ref"; > + }; > + > + dsi1: dsi@...6000 { > + compatible = "qcom,mdss-dsi-ctrl"; > + reg = <0x1a96000 0x400>; > + reg-names = "dsi_ctrl"; > + > + interrupt-parent = <&mdss>; > + interrupts = <5>; > + > + assigned-clocks = <&gcc BYTE1_CLK_SRC>, > + <&gcc PCLK1_CLK_SRC>; > + assigned-clock-parents = <&dsi1_phy 0>, > + <&dsi1_phy 1>; > + > + clocks = <&gcc GCC_MDSS_MDP_CLK>, > + <&gcc GCC_MDSS_AHB_CLK>, > + <&gcc GCC_MDSS_AXI_CLK>, > + <&gcc GCC_MDSS_BYTE1_CLK>, > + <&gcc GCC_MDSS_PCLK1_CLK>, > + <&gcc GCC_MDSS_ESC1_CLK>; > + clock-names = "mdp_core", > + "iface", > + "bus", > + "byte", > + "pixel", > + "core"; > + > + phys = <&dsi1_phy>; > + phy-names = "dsi"; > + > + status = "disabled"; > + > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + reg = <0>; > + dsi1_in: endpoint { > + remote-endpoint = <&mdp5_intf2_out>; > + }; > + }; > + > + port@1 { > + reg = <1>; > + dsi1_out: endpoint { > + }; > + }; > + }; > + }; > + > + dsi1_phy: dsi-phy@...6400 { > + compatible = "qcom,dsi-phy-14nm-8953"; > + reg = <0x1a96400 0x100>, > + <0x1a96500 0x300>, > + <0x1a96800 0x188>; > + reg-names = "dsi_phy", > + "dsi_phy_lane", > + "dsi_pll"; > + > + #clock-cells = <1>; > + #phy-cells = <0>; > + > + clocks = <&gcc GCC_MDSS_AHB_CLK>, <&xo_board>; > + clock-names = "iface", "ref"; > + > + status = "disabled"; > + }; > + }; > + > spmi_bus: spmi@...f000 { > compatible = "qcom,spmi-pmic-arb"; > reg = <0x200f000 0x1000>, -- With best wishes Dmitry
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