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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2a2f3d4cb3csm288644965ad.58.2025.12.29.18.51.04 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 29 Dec 2025 18:51:07 -0800 (PST) Message-ID: <9804a98e-ffc0-4346-8b49-0d7670e150ec@oss.qualcomm.com> Date: Tue, 30 Dec 2025 10:51:01 +0800 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 0/4] Initial patch set for PURWA-IOT-EVK To: Konrad Dybcio , Dmitry Baryshkov Cc: andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org References: <20251222-purwa-v1-0-14ab9316e5ff@oss.qualcomm.com> <0593cc2e-0114-404f-929a-0860d60afefb@oss.qualcomm.com> <9648b69d-bec8-4f4e-8db6-b94972971454@oss.qualcomm.com> Content-Language: en-US From: Yijie Yang In-Reply-To: <9648b69d-bec8-4f4e-8db6-b94972971454@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Proofpoint-ORIG-GUID: KhOqqRM43h4yINWkcI2JkYvu9WMcs1g- X-Proofpoint-GUID: KhOqqRM43h4yINWkcI2JkYvu9WMcs1g- X-Authority-Analysis: v=2.4 cv=coiWUl4i c=1 sm=1 tr=0 ts=69533e1c cx=c_pps a=cmESyDAEBpBGqyK7t0alAg==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=wP3pNCr1ah4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=KZpCQj3iTLzay5iD_AYA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=1OuFwYUASf3TG4hYMiVC:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMjMwMDAyNSBTYWx0ZWRfX3HOTM8meMtLx pRImUnHcP5risCaf6O+hK42dWKHtbK5/fncDmL6h0YC16M1SWB50b7Bb5Rwh0xRF6P2Hyu6F89n 64cm6Z3QG1ehXeCuJRPM/uxDwxlwDmm0X7FdeJ1MY1RMUEtta0/dIa9rQHFNvasHJsokIfRKFQa dzKE77Ma+CepYW263zrgNNwaoBw6NMjzfR9SE7+77vI+d+2PZWGagFCamAtfiErBHugxpMvYMGR 8kLx0S0/cUWvMCASFtH9SS2vd5DfT066nFZBHX0aF9v7mzv3tBBzy1E7rm/q7dhOqyLOVTF1EqL bi8H120phzdKaKMofQs62ioRLwXGBFQZQkF7fwQGFkh6U7uGAB0Qh5oo7hZPddhVEHfqnXS97wU ioqmkJQTXxxaW+7wu+p1Br1znxzxyVOsWSf21L9KaXUtCQhjixsMataS8y30tOwAaoD3J/Yn9dM yO5U8r0j14IzXYjkEnQ== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-12-29_07,2025-12-29_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 spamscore=0 lowpriorityscore=0 bulkscore=0 clxscore=1015 malwarescore=0 phishscore=0 adultscore=0 priorityscore=1501 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2512120000 definitions=main-2512300025 On 12/29/2025 8:18 PM, Konrad Dybcio wrote: > On 12/24/25 3:02 AM, Yijie Yang wrote: >> >> >> On 12/24/2025 1:27 AM, Konrad Dybcio wrote: >>> On 12/23/25 3:12 AM, Yijie Yang wrote: >>>> >>>> >>>> On 12/22/2025 5:18 PM, Dmitry Baryshkov wrote: >>>>> On Mon, Dec 22, 2025 at 02:03:25PM +0800, YijieYang wrote: >>>>>> From: Yijie Yang >>>>>> >>>>>> Introduce the device tree, DT bindings, and driver modifications required >>>>>> to bring up the PURWA-IOT-EVK evaluation board. >>>>>> >>>>>> Purwa and Hamoa are IoT variants of x1p42100 and x1e80100, both based on >>>>>> the IQ-X SoC series. Consequently, the two common files in this series are >>>>>> prefixed with 'iq-x-iot' to reflect this relationship. >>>>>> >>>>>> PURWA-IOT-EVK shares almost the same hardware design with HAMOA-IOT-EVK, >>>>>> except for differences in the BOM. As a result, most of the DTS can be >>>>>> shared between them. >>>>>> >>>>>> The changes focus on two key hardware components: the PURWA-IOT-SOM and >>>>>> the PURWA-IOT-EVK carrier board. >>>>>> >>>>>> Hardware delta between Hamoa and Purwa: >>>>>> - Display: Purwa’s display uses a different number of clocks, and its >>>>>>     frequency differs from Hamoa. >>>>>> - GPU: Purwa requires a separate firmware compared to Hamoa. >>>>> >>>>> Is it just a separate firmware, or does it use a different _GPU_? >>>> >>>> It uses a different GPU. >>> >>> I think it would be useful to call this paragraph "Hardware delta between >>> Hamoa-IoT-SoM/EVK and Purwa-IoT-whatever - because now Dmitry is asking >>> about differences between Hamoa-the-SoC and Purwa-the-SoC which we >>> expressed in purwa.dtsi >> >> I want to provide readers with a comprehensive comparison of the two boards, Hamoa-IoT-EVK and Purwa-IoT-EVK, covering all differences in both the SOM and the carrier board. > > Of course - my comment points out that the specific wording of "delta > between Hamoa and Purwa" may be easily misinterpreted as not what you're > saying above Okay, I’ll update it. > > Konrad -- Best Regards, Yijie