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Mon, 29 Jun 2026 00:25:45 -0700 (PDT) X-Received: by 2002:a05:6a21:8cc7:b0:3bb:21ad:40d8 with SMTP id adf61e73a8af0-3bd4afac2acmr16932433637.39.1782717945055; Mon, 29 Jun 2026 00:25:45 -0700 (PDT) Received: from [10.204.78.119] ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-c965b30bb75sm2954440a12.26.2026.06.29.00.25.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 29 Jun 2026 00:25:44 -0700 (PDT) Message-ID: <276e001a-00a4-4822-849c-f1c0879b81d5@oss.qualcomm.com> Date: Mon, 29 Jun 2026 12:55:40 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/5] arm64: dts: qcom: shikra: Add MDSS display subsystem Content-Language: en-GB To: Dmitry Baryshkov Cc: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, arpit.saini@oss.qualcomm.com, mohit.dsor@oss.qualcomm.com References: <20260627-shikra-dt-changes-v1-0-449a402673d0@oss.qualcomm.com> <20260627-shikra-dt-changes-v1-1-449a402673d0@oss.qualcomm.com> From: Nabige Aala In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: 8mlqfDJT1oEcfdHebKNGTI9xmoJ3ISDM X-Authority-Analysis: v=2.4 cv=A8Rc+aWG c=1 sm=1 tr=0 ts=6a421dfa cx=c_pps a=rz3CxIlbcmazkYymdCej/Q==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=IkcTkHD0fZMA:10 a=FelO9ux0wxsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=eoimf2acIAo5FJnRuUoq:22 a=EUspDBNiAAAA:8 a=C4UGVmGH2tmKGqTjtowA:9 a=QEXdDO2ut3YA:10 a=bFCP_H2QrGi7Okbo017w:22 X-Proofpoint-ORIG-GUID: 8mlqfDJT1oEcfdHebKNGTI9xmoJ3ISDM X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjI5MDA2MCBTYWx0ZWRfX4tig+O3cetZK 3klF27mZnDbJBmCaxFjwdzPXxtWhtynenq/NoWUq6HjAmQP/fIV6jDDXS1ma3XujtlhwoDSZjRc /Jmu6OluOvEejuzhqKFnOnktLm30ZNXexGcrfuT0o61pOtMNprsdhEgjMrE1CfbDTugLosxw4aM Wl6bTXMsym0EYR8rJY4nCLwq0OpaBDfCo0hVK1LYwtBuETXbIUbGrIi0FBWcqwbnukjMgWCmhPB dRi8+x7LmXrIKzhW7cyKvHolPoMHUo1fF1Ov6szXN9Yn51rWV38sbU+TXE+NOdrcltOhrErUqrw JFc+L3lfm22QGpRb0L8yIZxW+eog0dUsK+IsEvkg+mW1me82bh6OjBKAaV+3dPlxVhkzoBmmong UtL6ZQFG9wRTEYopW/Ym5W8acxdb92MsMvlFvW1qYs8uVZ5SR3F8oy5Z90znBCSudPLYU1OPVKb JO2UuYvzUsQx09RC6aw== X-Proofpoint-Spam-Info: AW1haW4tMjYwNjI5MDA2MCBTYWx0ZWRfX0Fo7PBKxz2Kc Zs4AlCSNP+nFVqrBqcmtEPM38FnnEQYJ6ho5z/2GUDxrosVW1bNFT2yLOeGdm/2ZgTQR0/bYBmZ Zlw57E4zg1InHD7EyJ9vWsmHGWgg3Oo= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-29_02,2026-06-26_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 adultscore=0 clxscore=1015 impostorscore=0 priorityscore=1501 suspectscore=0 malwarescore=0 phishscore=0 spamscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2606290060 Hi Dmitry, you want me to use this generic power domain index ? => RPMPD_VDDCX Thanks, Nabige On 6/28/2026 6:05 PM, Dmitry Baryshkov wrote: > On Sat, Jun 27, 2026 at 03:31:35PM +0530, Nabige Aala wrote: >> Add the SoC-level display subsystem nodes for Shikra: MDSS wrapper, >> DPU display controller, DSI host controller, and 14nm DSI PHY. >> >> Shikra uses DPU 6.5 hardware (same as QCM2290). Platform-specific >> compatible strings are used as the primary match with QCM2290 fallbacks >> to reuse the existing driver support. >> >> The dispcc clock inputs for the DSI byte and pixel PLLs are wired >> from mdss_dsi0_phy. >> >> Signed-off-by: Nabige Aala >> --- >> arch/arm64/boot/dts/qcom/shikra.dtsi | 203 ++++++++++++++++++++++++++++++++++- >> 1 file changed, 201 insertions(+), 2 deletions(-) >> >> + >> + clocks = <&gcc GCC_DISP_HF_AXI_CLK>, >> + <&dispcc DISP_CC_MDSS_AHB_CLK>, >> + <&dispcc DISP_CC_MDSS_MDP_CLK>, >> + <&dispcc DISP_CC_MDSS_MDP_LUT_CLK>, >> + <&dispcc DISP_CC_MDSS_VSYNC_CLK>; >> + clock-names = "bus", >> + "iface", >> + "core", >> + "lut", >> + "vsync"; >> + >> + operating-points-v2 = <&mdp_opp_table>; >> + power-domains = <&rpmpd QCM2290_VDDCX>; > Don't blindly copy bits and pieces from other platforms. No, its' not > QCM2290. > >> + >> + ports { >> + #address-cells = <1>; >> + #size-cells = <0>; >> + > [...] > >> + >> + assigned-clocks = <&dispcc DISP_CC_MDSS_BYTE0_CLK_SRC>, >> + <&dispcc DISP_CC_MDSS_PCLK0_CLK_SRC>; >> + assigned-clock-parents = <&mdss_dsi0_phy DSI_BYTE_PLL_CLK>, >> + <&mdss_dsi0_phy DSI_PIXEL_PLL_CLK>; >> + >> + operating-points-v2 = <&dsi_opp_table>; >> + power-domains = <&rpmpd QCM2290_VDDCX>; > The same. > >> + phys = <&mdss_dsi0_phy>; >> + >> + #address-cells = <1>; >> + #size-cells = <0>; >> + >> + status = "disabled"; >> +