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From: Andre Heider <a.heider@gmail.com>
To: Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Paul Walmsley <pjw@kernel.org>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Alexandre Ghiti <alex@ghiti.fr>, Yixun Lan <dlan@gentoo.org>
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	[thread overview]
Message-ID: <20260513071958.29574-4-a.heider@gmail.com> (raw)
In-Reply-To: <20260513071958.29574-1-a.heider@gmail.com>

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 <a.heider@gmail.com>
---
 .../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 = <&reg_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


  parent reply	other threads:[~2026-05-13  7:20 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20260513071958.29574-1-a.heider@gmail.com>
2026-05-13  7:19 ` [PATCH v3 1/6] riscv: dts: spacemit: k1-musepi-pro: add PMIC and power infrastructure Andre Heider
2026-05-13  7:48   ` Yixun Lan
2026-05-13  8:02   ` Yixun Lan
2026-05-13  7:19 ` [PATCH v3 2/6] riscv: dts: spacemit: k1-musepi-pro: add 24c02 eeprom Andre Heider
2026-05-13  7:19 ` Andre Heider [this message]
2026-05-13  7:19 ` [PATCH v3 4/6] riscv: dts: spacemit: k1-musepi-pro: enable USB 3 ports Andre Heider
2026-05-13  7:19 ` [PATCH v3 5/6] riscv: dts: spacemit: k1-musepi-pro: enable PCIe ports Andre Heider
2026-05-13  7:19 ` [PATCH v3 6/6] riscv: dts: spacemit: k1-musepi-pro: set default console baud rate Andre Heider

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