linux-kernel - [PATCH] ARM: dts: microchip: sam9x7: Add qspi controller

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Message-ID: <20250915-sam9x7-qspi-dtsi-v1-1-1cc9adba7573@microchip.com>
Date: Mon, 15 Sep 2025 14:43:57 +0530
From: Dharma Balasubiramani <dharma.b@...rochip.com>
To: Nicolas Ferre <nicolas.ferre@...rochip.com>, Alexandre Belloni
	<alexandre.belloni@...tlin.com>, Claudiu Beznea <claudiu.beznea@...on.dev>,
	Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>
CC: <linux-arm-kernel@...ts.infradead.org>, <devicetree@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, Dharma Balasubiramani
	<dharma.b@...rochip.com>
Subject: [PATCH] ARM: dts: microchip: sam9x7: Add qspi controller

Add support for QSPI controller.

Signed-off-by: Dharma Balasubiramani <dharma.b@...rochip.com>
---
Driver and Doc support
https://lore.kernel.org/lkml/20250908-microchip-qspi-v2-0-8f3d69fdd5c9@microchip.com/
---
 arch/arm/boot/dts/microchip/sam9x7.dtsi | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/arch/arm/boot/dts/microchip/sam9x7.dtsi b/arch/arm/boot/dts/microchip/sam9x7.dtsi
index 66c07e642c3e..46dacbbd201d 100644
--- a/arch/arm/boot/dts/microchip/sam9x7.dtsi
+++ b/arch/arm/boot/dts/microchip/sam9x7.dtsi
@@ -271,6 +271,27 @@ AT91_XDMAC_DT_PERID(38))>,
 			status = "disabled";
 		};
 
+		qspi: spi@...14000 {
+			compatible = "microchip,sam9x7-ospi";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0xf0014000 0x100>, <0x60000000 0x20000000>;
+			reg-names = "qspi_base", "qspi_mmap";
+			interrupts = <35 IRQ_TYPE_LEVEL_HIGH 7>;
+			dmas = <&dma0
+				(AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) |
+				AT91_XDMAC_DT_PERID(26))>,
+				<&dma0
+				(AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) |
+				AT91_XDMAC_DT_PERID(27))>;
+			dma-names = "tx", "rx";
+			clocks = <&pmc PMC_TYPE_PERIPHERAL 35>, <&pmc PMC_TYPE_GCK 35>;
+			clock-names = "pclk", "gclk";
+			assigned-clocks = <&pmc PMC_TYPE_GCK 35>;
+			assigned-clock-parents = <&pmc PMC_TYPE_CORE PMC_PLLADIV2>;
+			status = "disabled";
+		};
+
 		i2s: i2s@...1c000 {
 			compatible = "microchip,sam9x7-i2smcc", "microchip,sam9x60-i2smcc";
 			reg = <0xf001c000 0x100>;

---
base-commit: 590b221ed4256fd6c34d3dea77aa5bd6e741bbc1
change-id: 20250915-sam9x7-qspi-dtsi-a4844266b17d

Best regards,
-- 
Dharma Balasubiramani <dharma.b@...rochip.com>