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[1/3] MIPS: DTS: img: marduk: Add SPI NAND flash

Message ID 20200815163514.11631-1-hauke@hauke-m.de (mailing list archive)
State New
Headers show
Series [1/3] MIPS: DTS: img: marduk: Add SPI NAND flash | expand

Commit Message

Hauke Mehrtens Aug. 15, 2020, 4:35 p.m. UTC
Add Gigadevice GD5F4GQ4UCYIGT SPI NAND flash to the device tree.

The NAND flash chip is connected with quad SPI, but reading currently
fails in quad SPI mode.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
 arch/mips/boot/dts/img/pistachio_marduk.dts | 6 ++++++
 1 file changed, 6 insertions(+)

Comments

Rahul Bedarkar Sept. 3, 2020, 8:40 p.m. UTC | #1
On Sat, Aug 15, 2020 at 10:05 PM Hauke Mehrtens <hauke@hauke-m.de> wrote:
>
> Add Gigadevice GD5F4GQ4UCYIGT SPI NAND flash to the device tree.
>
> The NAND flash chip is connected with quad SPI, but reading currently
> fails in quad SPI mode.
>

I think dual RX and quad TX should work.
https://github.com/CreatorDev/openwrt/blob/ci40/target/linux/pistachio/dts/pistachio/pistachio_marduk_common.dtsi#L203

> Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

Reviewed-by: Rahul Bedarkar <rahulbedarkar89@gmail.com>

> ---
>  arch/mips/boot/dts/img/pistachio_marduk.dts | 6 ++++++
>  1 file changed, 6 insertions(+)
>
> diff --git a/arch/mips/boot/dts/img/pistachio_marduk.dts b/arch/mips/boot/dts/img/pistachio_marduk.dts
> index bf69da96dc8b..ea11a21b133b 100644
> --- a/arch/mips/boot/dts/img/pistachio_marduk.dts
> +++ b/arch/mips/boot/dts/img/pistachio_marduk.dts
> @@ -88,6 +88,12 @@
>                 reg = <0>;
>                 spi-max-frequency = <50000000>;
>         };
> +
> +       flash@1 {
> +               compatible = "spi-nand";
> +               reg = <1>;
> +               spi-max-frequency = <50000000>;
> +       };
>  };
>
>  &uart0 {
> --
> 2.20.1
>
diff mbox series

Patch

diff --git a/arch/mips/boot/dts/img/pistachio_marduk.dts b/arch/mips/boot/dts/img/pistachio_marduk.dts
index bf69da96dc8b..ea11a21b133b 100644
--- a/arch/mips/boot/dts/img/pistachio_marduk.dts
+++ b/arch/mips/boot/dts/img/pistachio_marduk.dts
@@ -88,6 +88,12 @@ 
 		reg = <0>;
 		spi-max-frequency = <50000000>;
 	};
+
+	flash@1 {
+		compatible = "spi-nand";
+		reg = <1>;
+		spi-max-frequency = <50000000>;
+	};
 };
 
 &uart0 {