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Tue, 16 Sep 2025 06:23:04 -0700 (PDT) From: Zixian Zeng Date: Tue, 16 Sep 2025 21:22:51 +0800 Subject: [PATCH v2 2/4] riscv: dts: sophgo: Enable SPI NOR node for PioneerBox 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: quoted-printable Message-Id: <20250916-sfg-spidts-v2-2-b5d9024fe1c8@gmail.com> References: <20250916-sfg-spidts-v2-0-b5d9024fe1c8@gmail.com> In-Reply-To: <20250916-sfg-spidts-v2-0-b5d9024fe1c8@gmail.com> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen Wang , Inochi Amaoto , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti Cc: devicetree@vger.kernel.org, sophgo@lists.linux.dev, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Han Gao , Longbin Li , Zixian Zeng X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1758028972; l=1355; i=sycamoremoon376@gmail.com; s=20250113; h=from:subject:message-id; bh=LW8gKY2G7VDUyUL5o7Bf03DIXlO30RMJvYfW4F5X8pE=; b=LmgXboPjMuiz3VPvrfkLEdDdVW0rUIoVOP3joiPKFCvu9SUeNA/yoJgD6nm7b0aJ96eV9Rtb0 +QkVfFRRv0kCq67IYvjTluKfTWicee+PH4Ibp9rjh8E8H/WzMTholA4 X-Developer-Key: i=sycamoremoon376@gmail.com; a=ed25519; pk=OYfH6Z2Nx3aU1r0UZdvhskmddV6KC6V1nyFjsQQt4J8= Enable SPI NOR node for PioneerBox device tree According to PioneerBox schematic, SPI-NOR Flash cannot support QSPI due to hardware design. Thus spi-(tx|rx)-bus-width must be set to 1. Reviewed-by: Chen Wang Tested-by: Chen Wang Signed-off-by: Zixian Zeng --- .../riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts | 24 ++++++++++++++++++= ++++ 1 file changed, 24 insertions(+) diff --git a/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts b/arch/ris= cv/boot/dts/sophgo/sg2042-milkv-pioneer.dts index ef3a602172b1e5bf3dcf54a8cacdad5172b7f50e..93fb493995522a88d61de67fa57= 0631c01807718 100644 --- a/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts +++ b/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts @@ -138,6 +138,30 @@ &sd { status =3D "okay"; }; =20 +&spifmc0 { + status =3D "okay"; + + flash@0 { + compatible =3D "jedec,spi-nor"; + reg =3D <0>; + spi-max-frequency =3D <50000000>; + spi-tx-bus-width =3D <1>; + spi-rx-bus-width =3D <1>; + }; +}; + +&spifmc1 { + status =3D "okay"; + + flash@0 { + compatible =3D "jedec,spi-nor"; + reg =3D <0>; + spi-max-frequency =3D <50000000>; + spi-tx-bus-width =3D <1>; + spi-rx-bus-width =3D <1>; + }; +}; + &uart0 { pinctrl-0 =3D <&uart0_cfg>; pinctrl-names =3D "default"; --=20 2.51.0