ARM: dts: microchip: sam9x7: Add qspi controller

[PATCH] ARM: dts: microchip: sam9x7: Add qspi controller

Posted by Dharma Balasubiramani 2 weeks, 3 days ago

Add support for QSPI controller.

Signed-off-by: Dharma Balasubiramani <dharma.b@microchip.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@f0014000 {
+			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@f001c000 {
 			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@microchip.com>

Re: [PATCH] ARM: dts: microchip: sam9x7: Add qspi controller

Posted by Nicolas Ferre 1 week, 3 days ago

On 15/09/2025 at 11:13, Dharma Balasubiramani wrote:
> Add support for QSPI controller.
> 
> Signed-off-by: Dharma Balasubiramani <dharma.b@microchip.com>

Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
And queued in at91-dt branch.

> ---
> Driver and Doc support
> https://lore.kernel.org/lkml/20250908-microchip-qspi-v2-0-8f3d69fdd5c9@microchip.com/

Thanks for the reference to the (accepted) binding and driver changes!

Best regards,
   Nicolas

> ---
>   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@f0014000 {
> +			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@f001c000 {
>   			compatible = "microchip,sam9x7-i2smcc", "microchip,sam9x60-i2smcc";
>   			reg = <0xf001c000 0x100>;
> 
> ---
> base-commit: 590b221ed4256fd6c34d3dea77aa5bd6e741bbc1
> change-id: 20250915-sam9x7-qspi-dtsi-a4844266b17d
> 
> Best regards,