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[103.229.18.19]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3140e6a4779sm9046846eec.17.2026.07.15.22.55.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Jul 2026 22:55:31 -0700 (PDT) From: Md Sadre Alam Date: Thu, 16 Jul 2026 11:25:14 +0530 Subject: [PATCH 3/3] arm64: dts: qcom: ipq5332-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-v1-3-74d86792944a@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-ORIG-GUID: Y5t03nUPVvVNr_sJU6hBPgZehuTR_LEr X-Proofpoint-Spam-Info: AW1haW4tMjYwNzE2MDA1OCBTYWx0ZWRfX1PBO7+GRrCHT 6zbK2+DmLGhjz91VWuP+6bssChAh4MEKOapzYXUzQdP5ziRieBe7b304lqNdMCQtXGoJCdWR339 sZAPv3f6InG/t5SL2B3581ZrdlGZWpA= X-Proofpoint-GUID: Y5t03nUPVvVNr_sJU6hBPgZehuTR_LEr X-Authority-Analysis: v=2.4 cv=PN8/P/qC c=1 sm=1 tr=0 ts=6a587255 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=eoimf2acIAo5FJnRuUoq:22 a=EUspDBNiAAAA:8 a=QrhUAEvljbRiGgZU1AMA:9 a=QEXdDO2ut3YA:10 a=x9snwWr2DeNwDh03kgHS:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzE2MDA1OCBTYWx0ZWRfX+ZJYXtiSp+pF rCh0Xpm0A9/uX8dnBR+pBI5isAVDgzhxIy02CczeL9RtUCUt/sndRbzHKRMsaP+WhTa2TQX79lr 6tX3xCEvomuOHh0OkSoZL/RpiBlnqDrBf1RXqWJtoY61UHnsZuZ27oraX4rBQdhmOLUGo8ITQ89 U1EvWzKASVixbDIbjzLpE+FTiVmjmO3Xvh0cFSjmLhNIrMJsh7Fux4vgsKh2ST2MZMH76yEhWmg 71p3IcKIVmZpe2lsxfol+CtqHZJ0KBPl54hjeZMYzw9qdFPGtdFdVGfVYthv4OzIyznkahmYuFj OitwWbFO6NSbFgLcuT6SWsmpW6J5kY2lXgs4kVcmhhRYOBIOH+zV62hTAFSAzugxH+2cLLEszBm vKBN/U7Z0RoDoi/gtQBp8vH1TjBLfzvKPbFk7cM4a0MSefxP41atQMoanrC9zz8FIL4cYsgHIX6 qsBHPjA5izqNieQ8PCQ== 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 bulkscore=0 malwarescore=0 lowpriorityscore=0 phishscore=0 adultscore=0 priorityscore=1501 impostorscore=0 clxscore=1015 suspectscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607160058 The SPI-NAND device on the IPQ5332 RDP supports 4-bit data transfers, but the device tree does not describe the bus width, so transfers use the default single-bit mode. Set spi-rx-bus-width and spi-tx-bus-width to 4 to enable quad read and write transfers and improve SPI-NAND throughput. Signed-off-by: Md Sadre Alam --- arch/arm64/boot/dts/qcom/ipq5332-rdp-common.dtsi | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/ipq5332-rdp-common.dtsi b/arch/arm64/boot/dts/qcom/ipq5332-rdp-common.dtsi index 3bbf748f2e5c..6f5b193a204b 100644 --- a/arch/arm64/boot/dts/qcom/ipq5332-rdp-common.dtsi +++ b/arch/arm64/boot/dts/qcom/ipq5332-rdp-common.dtsi @@ -141,5 +141,7 @@ 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