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[89.182.129.90]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48e701e9585sm175077375e9.5.2026.05.11.04.11.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 May 2026 04:11:22 -0700 (PDT) From: Andre Heider To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Yixun Lan , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti Cc: devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH v2 3/6] riscv: dts: spacemit: k1-musepi-pro: enable QSPI and add SPI NOR Date: Mon, 11 May 2026 13:11:10 +0200 Message-ID: <20260511111116.1109643-4-a.heider@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260511111116.1109643-1-a.heider@gmail.com> References: <20260511111116.1109643-1-a.heider@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add the QSPI controller node and describe the attached SPI NOR flash (Winbond W25Q64FWSSAQ). Add a corresponding vendor flash partition layout. Signed-off-by: Andre Heider --- .../riscv/boot/dts/spacemit/k1-musepi-pro.dts | 43 ++++++++++++++++++- 1 file changed, 42 insertions(+), 1 deletion(-) diff --git a/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts b/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts index 79415d760f162..7ebace0e46edb 100644 --- a/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts +++ b/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts @@ -166,7 +166,7 @@ buck3_1v8: buck3 { regulator-always-on; }; - buck4 { + buck4_3v3: buck4 { regulator-min-microvolt = <500000>; regulator-max-microvolt = <3300000>; regulator-ramp-delay = <5000>; @@ -249,6 +249,47 @@ dldo7 { }; }; +&qspi { + pinctrl-names = "default"; + pinctrl-0 = <&qspi_cfg>; + status = "okay"; + + flash@0 { + compatible = "jedec,spi-nor"; + reg = <0>; + spi-max-frequency = <26500000>; + spi-rx-bus-width = <4>; + spi-tx-bus-width = <4>; + vcc-supply = <&buck4_3v3>; /* QSPI_VCC1833 */ + m25p,fast-read; + + partitions { + compatible = "fixed-partitions"; + #address-cells = <1>; + #size-cells = <1>; + + bootinfo@0 { + reg = <0x0 0x10000>; + }; + private@10000 { + reg = <0x10000 0x10000>; + }; + fsbl@20000 { + reg = <0x20000 0x40000>; + }; + env@60000 { + reg = <0x60000 0x10000>; + }; + opensbi@70000 { + reg = <0x70000 0x30000>; + }; + uboot@a00000 { + reg = <0xa0000 0x760000>; + }; + }; + }; +}; + &uart0 { pinctrl-0 = <&uart0_2_cfg>; pinctrl-names = "default"; -- 2.53.0