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[103.229.18.19]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-315bebde2e6sm8918689eec.21.2026.08.07.09.35.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 07 Aug 2026 09:35:47 -0700 (PDT) From: Md Sadre Alam Date: Fri, 07 Aug 2026 22:05:31 +0530 Subject: [PATCH v2 1/3] arm64: dts: qcom: ipq9574-rdp-common: Enable quad SPI mode for SPI-NAND Precedence: bulk X-Mailing-List: devicetree@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: <20260807-quad_dts-v2-1-6f578d4152b7@oss.qualcomm.com> References: <20260807-quad_dts-v2-0-6f578d4152b7@oss.qualcomm.com> In-Reply-To: <20260807-quad_dts-v2-0-6f578d4152b7@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 , Konrad Dybcio X-Mailer: b4 0.14.3 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODA3MDEyOSBTYWx0ZWRfXwTWT3dWGhmO/ WaqUju+1ZDKfq1DtIRSki6D9R/oMyw2DVVNp7fP+yqBABk27bUaA28zPvSoPC2irzIGCXaF3yZF 1MaSKOd9uzKV+IqDKYmB0JpchcQtkLYao60mK1xGkzkYPTsgR8SIqRQXBJj0CX6ZU3Z8fTV6VMI Dx65w7m2dl9YeJz69RrOPj5gfuWN7HjHUHMdM8SXdkFEAfZEbNLnNIz8atlO5eXsCt/9Xmj/zY5 2zzcYCmroXHrCwH3ZKlMT6V9/fLH+feD8isMNF4z9w1n7DQHc6JGA4uesWBBitbZ9gvrysjZWVE uHq7fTCNRFJrBkvGcWrTzYI0eN5c66DCCb4Oa+hwxP1xx3tsQwvy4sjK972eINlf0t9AWt/GjxU b9+CqhDpPBk3jXdoG4sR9rI5QJMDNhyk/yAxBmqPcl1EpHylgcEam3QsNDPBeYYVmalM5qLyGrK V/92FiZhQAth7k4KLDw== X-Authority-Analysis: v=2.4 cv=DvhmPm/+ c=1 sm=1 tr=0 ts=6a760965 cx=c_pps a=IZJwPbhc+fLeJZngyXXI0A==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=EUspDBNiAAAA:8 a=QrhUAEvljbRiGgZU1AMA:9 a=QEXdDO2ut3YA:10 a=uG9DUKGECoFWVXl0Dc02:22 X-Proofpoint-ORIG-GUID: osaouWaYjJCETTm3wT9x7FFAM3eD-7Ko X-Proofpoint-GUID: osaouWaYjJCETTm3wT9x7FFAM3eD-7Ko X-Proofpoint-Spam-Info: AW1haW4tMjYwODA3MDEyOSBTYWx0ZWRfX5hpdgH9ZvUGy dGPpCWHuHnjZFUP4dgrIJ8a7cJVdKX370pqfa6bupM5FwT6uAiO+zWpa74vF1k97vTBLi/hpKIF 1p5Iz3dwzWFglziDe5bY7UikSlAB7io= 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=2026-08-07_03,2026-08-07_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 bulkscore=0 clxscore=1015 spamscore=0 malwarescore=0 suspectscore=0 adultscore=0 impostorscore=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-2608070129 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. Reviewed-by: Konrad Dybcio 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