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* [PATCH] arm64: dts: stratix10: Add QSPI support for Stratix10
@ 2018-05-10 20:46 thor.thayer
  2018-05-11 12:31 ` Rob Herring
  0 siblings, 1 reply; 2+ messages in thread
From: thor.thayer @ 2018-05-10 20:46 UTC (permalink / raw)
  To: dinguyen, robh+dt, mark.rutland
  Cc: catalin.marinas, will.deacon, devicetree, linux-arm-kernel,
	linux-kernel, Thor Thayer

From: Thor Thayer <thor.thayer@linux.intel.com>

Add qspi_clock
   The qspi_clk frequency is updated by U-Boot before starting Linux.
Add QSPI interface node.
Add QSPI flash memory child node.
   Setup the QSPI memory in 2 partitions.

Signed-off-by: Thor Thayer <thor.thayer@linux.intel.com>
---
 arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi  | 22 +++++++++++++++
 .../boot/dts/altera/socfpga_stratix10_socdk.dts    | 31 ++++++++++++++++++++++
 2 files changed, 53 insertions(+)

diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
index e6b059378dc0..ed47dfce3ba6 100644
--- a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
+++ b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
@@ -119,6 +119,12 @@
 				#clock-cells = <0>;
 				compatible = "fixed-clock";
 			};
+
+			qspi_clk: qspi_clk {
+				#clock-cells = <0>;
+				compatible = "fixed-clock";
+				clock-frequency = <200000000>;
+			};
 		};
 
 		gmac0: ethernet@ff800000 {
@@ -466,5 +472,21 @@
 				interrupts = <16 4>, <48 4>;
 			};
 		};
+
+		qspi: spi@ff8d2000 {
+			compatible = "cdns,qspi-nor";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0xff8d2000 0x100>,
+			      <0xff900000 0x100000>;
+			interrupts = <0 3 4>;
+			cdns,fifo-depth = <128>;
+			cdns,fifo-width = <4>;
+			cdns,trigger-address = <0x00000000>;
+			clocks = <&qspi_clk>;
+			bus-num = <1>;
+
+			status = "disabled";
+		};
 	};
 };
diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts b/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts
index f9b1ef12db48..60251462067a 100644
--- a/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts
+++ b/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts
@@ -147,3 +147,34 @@
 		reg = <0x68>;
 	};
 };
+
+&qspi {
+	flash0: n25q00@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "n25q00aa";
+		reg = <0>;
+		spi-max-frequency = <50000000>;
+
+		m25p,fast-read;
+		cdns,page-size = <256>;
+		cdns,block-size = <16>;
+		cdns,read-delay = <1>;
+		cdns,tshsl-ns = <50>;
+		cdns,tsd2d-ns = <50>;
+		cdns,tchsh-ns = <4>;
+		cdns,tslch-ns = <4>;
+
+		partition@qspi-boot {
+			label = "Boot and fpga data";
+			/* 64MB for boot and FPGA data */
+			reg = <0x0 0x4000000>;
+		};
+
+		partition@qspi-rootfs {
+			label = "Root Filesystem - JFFS2";
+			/* 64MB for Linux jffs2 */
+			reg = <0x4000000 0x4000000>;
+		};
+	};
+};
-- 
2.7.4

^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [PATCH] arm64: dts: stratix10: Add QSPI support for Stratix10
  2018-05-10 20:46 [PATCH] arm64: dts: stratix10: Add QSPI support for Stratix10 thor.thayer
@ 2018-05-11 12:31 ` Rob Herring
  0 siblings, 0 replies; 2+ messages in thread
From: Rob Herring @ 2018-05-11 12:31 UTC (permalink / raw)
  To: thor.thayer
  Cc: Dinh Nguyen, Mark Rutland, Catalin Marinas, Will Deacon,
	devicetree,
	moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE,
	linux-kernel

On Thu, May 10, 2018 at 3:46 PM,  <thor.thayer@linux.intel.com> wrote:
> From: Thor Thayer <thor.thayer@linux.intel.com>
>
> Add qspi_clock
>    The qspi_clk frequency is updated by U-Boot before starting Linux.
> Add QSPI interface node.
> Add QSPI flash memory child node.
>    Setup the QSPI memory in 2 partitions.
>
> Signed-off-by: Thor Thayer <thor.thayer@linux.intel.com>
> ---
>  arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi  | 22 +++++++++++++++
>  .../boot/dts/altera/socfpga_stratix10_socdk.dts    | 31 ++++++++++++++++++++++
>  2 files changed, 53 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
> index e6b059378dc0..ed47dfce3ba6 100644
> --- a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
> +++ b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
> @@ -119,6 +119,12 @@
>                                 #clock-cells = <0>;
>                                 compatible = "fixed-clock";
>                         };
> +
> +                       qspi_clk: qspi_clk {

s/_/-/

> +                               #clock-cells = <0>;
> +                               compatible = "fixed-clock";
> +                               clock-frequency = <200000000>;
> +                       };
>                 };
>
>                 gmac0: ethernet@ff800000 {
> @@ -466,5 +472,21 @@
>                                 interrupts = <16 4>, <48 4>;
>                         };
>                 };
> +
> +               qspi: spi@ff8d2000 {
> +                       compatible = "cdns,qspi-nor";
> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +                       reg = <0xff8d2000 0x100>,
> +                             <0xff900000 0x100000>;
> +                       interrupts = <0 3 4>;
> +                       cdns,fifo-depth = <128>;
> +                       cdns,fifo-width = <4>;
> +                       cdns,trigger-address = <0x00000000>;
> +                       clocks = <&qspi_clk>;
> +                       bus-num = <1>;
> +
> +                       status = "disabled";
> +               };
>         };
>  };
> diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts b/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts
> index f9b1ef12db48..60251462067a 100644
> --- a/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts
> +++ b/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts
> @@ -147,3 +147,34 @@
>                 reg = <0x68>;
>         };
>  };
> +
> +&qspi {
> +       flash0: n25q00@0 {

flash@0

> +               #address-cells = <1>;
> +               #size-cells = <1>;
> +               compatible = "n25q00aa";
> +               reg = <0>;
> +               spi-max-frequency = <50000000>;
> +
> +               m25p,fast-read;
> +               cdns,page-size = <256>;
> +               cdns,block-size = <16>;
> +               cdns,read-delay = <1>;
> +               cdns,tshsl-ns = <50>;
> +               cdns,tsd2d-ns = <50>;
> +               cdns,tchsh-ns = <4>;
> +               cdns,tslch-ns = <4>;
> +
> +               partition@qspi-boot {

use a 'partitions' node to contain all the partitions.

> +                       label = "Boot and fpga data";
> +                       /* 64MB for boot and FPGA data */
> +                       reg = <0x0 0x4000000>;
> +               };
> +
> +               partition@qspi-rootfs {
> +                       label = "Root Filesystem - JFFS2";
> +                       /* 64MB for Linux jffs2 */
> +                       reg = <0x4000000 0x4000000>;
> +               };
> +       };
> +};
> --
> 2.7.4
>

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2018-05-10 20:46 [PATCH] arm64: dts: stratix10: Add QSPI support for Stratix10 thor.thayer
2018-05-11 12:31 ` Rob Herring

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