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[103.229.18.19]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3140e6a4779sm9046846eec.17.2026.07.15.22.55.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Jul 2026 22:55:24 -0700 (PDT) From: Md Sadre Alam Date: Thu, 16 Jul 2026 11:25:12 +0530 Subject: [PATCH 1/3] arm64: dts: qcom: ipq9574-rdp-common: Enable quad SPI mode for SPI-NAND Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260716-quad_dts-v1-1-74d86792944a@oss.qualcomm.com> References: <20260716-quad_dts-v1-0-74d86792944a@oss.qualcomm.com> In-Reply-To: <20260716-quad_dts-v1-0-74d86792944a@oss.qualcomm.com> To: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Md Sadre Alam X-Mailer: b4 0.14.3 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzE2MDA1OCBTYWx0ZWRfX1KrnyTaXfAk1 3xz4AH10RBYyxNOYlTmPXGFdoArNIvstuvIdWgFfvvO9kpW3wQsAurdc0VawgNafjkrZEXt2H+w BAKt+GroxjyeGLOTaR4ZHx6ZJiURoMg= X-Proofpoint-GUID: if_FeTzxkDn-6D9z9Kn-ku5ZWfv9NO1G X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzE2MDA1OCBTYWx0ZWRfXz73opQ8UZb08 ronbVOfGiFDvu7aYcZEps9NUMo2l4gzXX223G/ZYJyHZ2ygHlLeJ9Ykm82otp6PhqmanWNIgCm/ 7TQWHCI1h1lXIMB0UuHu2CSjtg/vm5IpIGH6E/uOhhJoihjT47jrVTOqTPdavWB9CN1gLtzPVwR DZDyhfyYmE/+a/f1pXA4oUO1A14KDCA5cshQP5MIRI4ovEUbJ9C8M3iHSpcfRn0zYonj3AKz1Te TAUeyET4CWwBnf9S4kSk8DtN8T205A2BXOPxsjt9bkBzkhJZyCZ0oz2+J0qO6jly9AKDlJ9VNDS A1zRADmTHnOTpSgJCv3pNPM1nexBOk0ddw9R+UdwO7Vljr58NytLUoCY09ho5Rc6TOCBfNSy2FR qpObTGy6ifl+Rx2sCEaL14DhCyyQZXBBl73s629NypmWTT8LdaxXtBvHf3MyaN5TqxWthn11N18 i+SaquFHDau7ZLiLzqA== X-Authority-Analysis: v=2.4 cv=Xb25Co55 c=1 sm=1 tr=0 ts=6a58724e cx=c_pps a=Qgeoaf8Lrialg5Z894R3/Q==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=DJpcGTmdVt4CTyJn9g5Z:22 a=EUspDBNiAAAA:8 a=QrhUAEvljbRiGgZU1AMA:9 a=QEXdDO2ut3YA:10 a=x9snwWr2DeNwDh03kgHS:22 X-Proofpoint-ORIG-GUID: if_FeTzxkDn-6D9z9Kn-ku5ZWfv9NO1G X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-16_02,2026-07-15_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 spamscore=0 priorityscore=1501 suspectscore=0 bulkscore=0 impostorscore=0 malwarescore=0 adultscore=0 lowpriorityscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607160058 Set the SPI-NAND device node to use 4-bit transmit and receive bus widths. The board supports quad SPI transfers, but the device tree currently does not describe the wider bus. Add spi-tx-bus-width and spi-rx-bus-width so the controller and flash can use quad mode instead of single-bit transfers. Signed-off-by: Md Sadre Alam --- arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi b/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi index 62877b46f9b3..86138529ba77 100644 --- a/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi +++ b/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi @@ -249,6 +249,8 @@ flash@0 { nand-ecc-engine = <&qpic_nand>; nand-ecc-strength = <4>; nand-ecc-step-size = <512>; + spi-rx-bus-width = <4>; + spi-tx-bus-width = <4>; }; }; -- 2.34.1