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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b35446f79a7sm366342666b.62.2025.09.26.06.48.37 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 26 Sep 2025 06:48:38 -0700 (PDT) Message-ID: Date: Fri, 26 Sep 2025 15:48:36 +0200 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 09/14] arm64: dts: qcom: sm6350: add refgen regulator and use it for DSI To: Dmitry Baryshkov Cc: Luca Weiss , Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Konrad Dybcio , Bjorn Andersson , cros-qcom-dts-watchers@chromium.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org References: <20250921-refgen-v1-0-9d93e64133ea@oss.qualcomm.com> <20250921-refgen-v1-9-9d93e64133ea@oss.qualcomm.com> <4d815ed8-18db-462b-80d9-9768b51a9788@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=dP+rWeZb c=1 sm=1 tr=0 ts=68d699b9 cx=c_pps a=JbAStetqSzwMeJznSMzCyw==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=yJojWOMRYYMA:10 a=EUspDBNiAAAA:8 a=7uUkQgaaTnfZjgSPyt0A:9 a=QEXdDO2ut3YA:10 a=uxP6HrT_eTzRwkO_Te1X:22 X-Proofpoint-ORIG-GUID: Vu_qedCRkUGjhcmpDBt7PkLPw4SB36EX X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwOTI1MDE3MSBTYWx0ZWRfX28dXXqSweSuJ jb/BWRy/wFn5+W4vNatAtTEZtZW+njixIvs1XCAaPwin3Am8y2OmaVQjmfAhCPsxBpFUnQ7cLn/ 3EIUCV7rLTz79Gw2QCdXMlF8eXZGMW8dqgMFHcKqQmYqdSiP+A4+HfZdVshyqK9rbTiccd1PIjq XlXH4Wi8HTD6Vidxv3DSbx2G8wImgWJZ2MW8pq1KdMDM5rpGBOyAU3PbMBrsh8owKRj/KyaWx0O dEYCoUWYzkFpdRHH4DXyIQMeyGxW+K+ZFxRtKrN9DSvPYD/DRZwysyxc1WLaTzl4pxWp11R4JZY caz4NZhFWKK2kAsjAln335Wql6WoDYKRuLhOizvqGsgBF7Jy5VKpXiBMcC1Wo7OBo2ZulRDFS0x FlO5SVKhDRGqFFV1TNZyFKjDxn7tog== X-Proofpoint-GUID: Vu_qedCRkUGjhcmpDBt7PkLPw4SB36EX X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1117,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-09-26_04,2025-09-26_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 spamscore=0 phishscore=0 clxscore=1015 priorityscore=1501 impostorscore=0 suspectscore=0 adultscore=0 bulkscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2509150000 definitions=main-2509250171 On 9/26/25 3:44 PM, Dmitry Baryshkov wrote: > On Fri, Sep 26, 2025 at 03:27:24PM +0200, Konrad Dybcio wrote: >> On 9/23/25 9:17 AM, Luca Weiss wrote: >>> Hi Dmitry, >>> >>> On Sun Sep 21, 2025 at 9:09 AM CEST, Dmitry Baryshkov wrote: >>>> Add the refgen regulator block and use it for the DSI controller. >>>> >>>> Signed-off-by: Dmitry Baryshkov >>>> --- >>>> arch/arm64/boot/dts/qcom/sm6350.dtsi | 8 ++++++++ >>>> 1 file changed, 8 insertions(+) >>>> >>>> diff --git a/arch/arm64/boot/dts/qcom/sm6350.dtsi b/arch/arm64/boot/dts/qcom/sm6350.dtsi >>>> index 8459b27cacc72a4827a2e289e669163ad6250059..dd009569a6683a25f13b068e3e0bd8746b2ac501 100644 >>>> --- a/arch/arm64/boot/dts/qcom/sm6350.dtsi >>>> +++ b/arch/arm64/boot/dts/qcom/sm6350.dtsi >>>> @@ -1768,6 +1768,12 @@ usb_1_hsphy: phy@88e3000 { >>>> resets = <&gcc GCC_QUSB2PHY_PRIM_BCR>; >>>> }; >>>> >>>> + refgen: regulator@88e7000 { >>>> + compatible = "qcom,sm6350-refgen-regulator", >>>> + "qcom,sm8250-refgen-regulator"; >>>> + reg = <0x0 0x088e7000 0x0 0x84>; >>> >>> Are you sure the size is 0x84? Downstream and hwio_bitra_V1.cmm would >>> suggest size to be 0x60. >>> >>> For sc7280, hwio_kodiak_E5.0.cmm does say 0x84 for refgen. >> >> 0x60 >> >> moreover, I see that there are two refgen regulators.. > > There are two refgens on each of the platforms, but I think the other > one is used in the automatic way. The HPG only tells us about > programming this one. OK thanks for checking that Konrad