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[199.106.103.254]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-1903d68f2b1sm980129c88.20.2026.10.20.14.15.08 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 20 Oct 2026 14:15:08 -0700 (PDT) Message-ID: <7b5392f8-de43-4d31-8f33-5a6d8e0af6a3@oss.qualcomm.com> Date: Tue, 20 Oct 2026 14:15:07 -0700 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 5/7] phy: qcom-mipi-csi2: Add qcs8300 CSI2 PHY support To: Krzysztof Kozlowski Cc: bod@kernel.org, vkoul@kernel.org, kishon@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, neil.armstrong@linaro.org, mani@kernel.org, gjorgji.rosikopulos@oss.qualcomm.com, hariram.purushothaman@oss.qualcomm.com, akapatra@quicinc.com, jigarkumar.zala@oss.qualcomm.com, loic.poulain@oss.qualcomm.com, vladimir.zapolskiy@linaro.org, linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20261016235502.2274268-1-anusha.nandi@oss.qualcomm.com> <20261016235502.2274268-6-anusha.nandi@oss.qualcomm.com> <20261019-elastic-psychedelic-chamois-e8bbae@quoll> Content-Language: en-US From: Anusha Arun Nandi In-Reply-To: <20261019-elastic-psychedelic-chamois-e8bbae@quoll> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=YuKa1IYX c=1 sm=1 tr=0 ts=6ad7d9df cx=c_pps a=JYo30EpNSr/tUYqK9jHPoA==:117 a=JYp8KDb2vCoCEuGobkYCKw==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=EUspDBNiAAAA:8 a=18DxlMPwXbuUbd9su7wA:9 a=QEXdDO2ut3YA:10 a=Fk4IpSoW4aLDllm1B1p-:22 X-Proofpoint-Spam-Info: AW1haW4tMjYxMDIwMDA4NCBTYWx0ZWRfX8DzmKzngLIN2 7t1L7NUkLx2K5uIPaKi1nuLQAy5MXf2gN4Bb4ptawg1rFfdSZ6W/jc0yo03af6SHjJisiOXnGbg RpjA/mstp34IhOAze5+0f5eMqMrvUlY= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDIwMDA4NCBTYWx0ZWRfX+zQI1JUeBXgq DgSnw/+ZRPmuzACPVgph6q7F26+sRYJPMDEcGNYI7QN8fDODQvEpZBPRZdWkVG0aR+vGtY8XZSk nBMaPyDXcSe2OSuQJNGnidGmpM80jA1IhLf8oL/3lGdGuBPPpwzNNsUztfqVEKcXfD5aY6FMy4S iUc1y2IxvfMioeqb1Y01FPavdU9N8+x+gcbomyuBsmI2twCmjoDxROlqIFoAPEBUQhVu0wPvISs bsWPZTKCXP5ggvkhDNzo960eB3/aX8CC0udD7+fUQg9CikiPc8vCjQUSG2OFHS1BNd2eTW6xF+g kSX5O+fiEmFFHR0BJPr7SLs6uCSD63O66pePgtlnYHI8X9FlMkXjPSGTgDEQqICW2wQvEmXcoCm l1BqPPKrQIJlV0WOpGN0Tnxw6JHOXWP+s4ZDquM/gpqBrGfh/EwMCxzaYPzTUIGlUw+qxMMM7zN 8inOkV+EoFwmiq97Z3A== X-Proofpoint-GUID: U8BoAXBE3Im79Z9D3NUgbsu4iAutxV1j X-Proofpoint-ORIG-GUID: U8BoAXBE3Im79Z9D3NUgbsu4iAutxV1j X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-10-20_04,2026-10-19_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 impostorscore=0 suspectscore=0 spamscore=0 clxscore=1015 phishscore=0 adultscore=0 bulkscore=0 malwarescore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610190000 definitions=main-2610200084 Hi Krzysztof, Since qcs8300 uses the same register settings as sa8775p, I will squash 4/7 and 5/7 patches in the next version drop. Thank you, Anusha On 10/19/2026 12:18 AM, Krzysztof Kozlowski wrote: > On Fri, Oct 16, 2026 at 04:55:00PM -0700, Anusha Arun Nandi wrote: >> Bind the new "qcom,qcs8300-csi2-phy" compatible to the existing >> sa8775p SoC configuration (mipi_csi2_dphy_sa8775p). QCS8300 >> and SA8775P share the same CSIPHY: in the legacy in-tree >> CAMSS driver (camss-csiphy-3ph-1-0.c) the CAMSS_8300 and CAMSS_8775P >> cases fall through to the same D-PHY lane_regs_sa8775p[] init sequence >> and common_regs_offset (0x800), and camss.c gives both SoCs the same >> pd_name = "top" Titan Top GDSC. No new register data or power-domain >> wiring is therefore needed; only the compatible string is added. >> >> Signed-off-by: Anusha Arun Nandi >> --- >> drivers/phy/qualcomm/phy-qcom-mipi-csi2-core.c | 1 + >> 1 file changed, 1 insertion(+) >> >> diff --git a/drivers/phy/qualcomm/phy-qcom-mipi-csi2-core.c b/drivers/phy/qualcomm/phy-qcom-mipi-csi2-core.c >> index 821c6a0a916c..cef4a90ca539 100644 >> --- a/drivers/phy/qualcomm/phy-qcom-mipi-csi2-core.c >> +++ b/drivers/phy/qualcomm/phy-qcom-mipi-csi2-core.c >> @@ -453,6 +453,7 @@ static int phy_qcom_mipi_csi2_probe(struct platform_device *pdev) >> } >> >> static const struct of_device_id phy_qcom_mipi_csi2_of_match_table[] = { >> + { .compatible = "qcom,qcs8300-csi2-phy", .data = &mipi_csi2_dphy_sa8775p }, > > So devices are fully compatible? Then express it and drop this. > > Best regards, > Krzysztof