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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b976cc29844sm44696966b.30.2026.03.13.05.52.22 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 13 Mar 2026 05:52:24 -0700 (PDT) Message-ID: <4e4054e4-6e5c-4623-a03e-2fdf1277a2d8@oss.qualcomm.com> Date: Fri, 13 Mar 2026 13:52:21 +0100 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 v2 6/7] arm64: dts: qcom: Add Redmi 4A To: barnabas.czeman@mainlining.org 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, ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org References: <20260310-riva-common-v2-0-3bfc23996857@mainlining.org> <20260310-riva-common-v2-6-3bfc23996857@mainlining.org> <9b6520b3-aa43-4657-aba0-bba89af8a47d@oss.qualcomm.com> <37f385d1ad7a464771e641807d75f5e5@mainlining.org> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <37f385d1ad7a464771e641807d75f5e5@mainlining.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-ORIG-GUID: 8R2TOZXatz3gSz1OrnGb-s2lHvKtjo0u X-Proofpoint-GUID: 8R2TOZXatz3gSz1OrnGb-s2lHvKtjo0u X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzEzMDEwMiBTYWx0ZWRfXy4VbWQ8kgFHS 8VhhjkXvbt8719crMur8WDFqZ1GDWum2HQhmTx4UGEkkIEr9fg6B/6zQlF54AdTkx82U3nx26tt Xx4HvtQQO1dGLvpytyxXxTYT5DYQnf5tj++DVGqMI6+OUqIOD1LV7NKga/rAlG/jvo5z2DD8qcy qy5yIYMKf5H+/oprMVFvoFvBpZi5+T/EBI7U9afno9IQIHCpbiVLW7PM/oi6wPt+iKqK1qObZsj qQ6XasDdsBoa2pZlLw7RFqZ0K2L78VNArX7TC/SxcdAb8ON1RxmT22kN1qDWn+6+zWRcwtbhG6e cEwx9TQ+kTdjZX6AMYrq0/MO/ho1LM2MaNlyrzNNybMxitAu39p1xXQVG88Wr78ffDxrM2WLs35 lsi5xwXQ/nymyZ1xPo/0LsRthjoQHPf0UwVyD07lk72I8rTbP2GhaMz7+IQy5jaeaf1CKup5WNG 0O5XRQoaNiUbSCoGG3A== X-Authority-Analysis: v=2.4 cv=S9nUAYsP c=1 sm=1 tr=0 ts=69b4088a cx=c_pps a=50t2pK5VMbmlHzFWWp8p/g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_K5XuSEh1TEqbUxoQ0s3:22 a=f6X2TnFsAAAA:20 a=OuZLqq7tAAAA:8 a=5Mg_qL-c0DIWtcCVzYIA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=IoWCM6iH3mJn3m4BftBB:22 a=AKGiAy9iJ-JzxKVHQNES:22 a=bA3UWDv6hWIuX7UZL3qL:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-13_02,2026-03-13_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 adultscore=0 malwarescore=0 priorityscore=1501 suspectscore=0 clxscore=1015 lowpriorityscore=0 phishscore=0 bulkscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603130102 On 3/11/26 3:38 PM, barnabas.czeman@mainlining.org wrote: > On 2026-03-11 10:16, Konrad Dybcio wrote: >> On 3/10/26 6:21 PM, Barnabás Czémán wrote: >>> Redmi 4A (rolex) is like Redmi 5A with small differences like charging, >>> fuel gauge, different speaker codec configuration and display. >>> >>> Signed-off-by: Barnabás Czémán >>> --- >> >> I see the Go has some differences in regulator configuration. >> >> Does the 4A's one match the existing 5A? > Yes they are same, l22 is vana l23 is vdig for camera sensor. > riva and rolex is using 2.8v for vana and 1.2v for vdig. > tiare is using 2.85v for vana and 1.2 v for vdig so l22 min-voltage also should be increased > but l23 max-voltage increase is unnecessary, there is no reason to keep downstream value there. > > Here is some proof https://github.com/Mi-Thorium/kernel_devicetree_xiaomi-msm8937/blob/dts/mi8937/4.9/master/wingtech/msm8917/tiare/camera.dtsi#L16C1-L23C65 FWIW it's easiest to work with decompiled DTs, as the include chains are often very complex. You can then throw them into ./scripts/dtx_diff or similar Konrad