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[89.182.129.90]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48fc8d62422sm58498115e9.11.2026.05.13.00.20.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 May 2026 00:20:04 -0700 (PDT) From: Andre Heider To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Yixun Lan Cc: devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH v3 3/6] riscv: dts: spacemit: k1-musepi-pro: enable QSPI and add SPI NOR Date: Wed, 13 May 2026 09:19:51 +0200 Message-ID: <20260513071958.29574-4-a.heider@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260513071958.29574-1-a.heider@gmail.com> References: <20260513071958.29574-1-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 | 50 +++++++++++++++++++ 1 file changed, 50 insertions(+) diff --git a/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts b/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts index 41d7d6d20a797..b0f66f49db4b7 100644 --- a/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts +++ b/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts @@ -44,6 +44,15 @@ reg_vcc_4v0: regulator-vcc-4v0 { regulator-boot-on; regulator-always-on; }; + + reg_qspi_vcc1v833: regulator-qspi-vcc1v833 { + compatible = "regulator-fixed"; + regulator-name = "QSPI_VCC1833"; + regulator-min-microvolt = <1833000>; + regulator-max-microvolt = <1833000>; + regulator-always-on; + vin-supply = <&buck4_3v3>; + }; }; &emmc { @@ -239,6 +248,47 @@ 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 = <®_qspi_vcc1v833>; + 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@a0000 { + reg = <0xa0000 0x760000>; + }; + }; + }; +}; + &uart0 { pinctrl-0 = <&uart0_2_cfg>; pinctrl-names = "default"; -- 2.53.0