diff mbox series

[v2,3/4] MIPS: Loongson64: DTS: Add SPI support to LS7A

Message ID 1607413467-17698-3-git-send-email-zhangqing@loongson.cn (mailing list archive)
State Superseded
Headers show
Series [v2,1/4] spi: LS7A: Add Loongson LS7A SPI controller driver support | expand

Commit Message

Qing Zhang Dec. 8, 2020, 7:44 a.m. UTC
add spi and amd node support.

Signed-off-by: Qing Zhang <zhangqing@loongson.cn>
---

v2:
- Add spi about pci device DT
---
 arch/mips/boot/dts/loongson/ls7a-pch.dtsi | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

Comments

Jiaxun Yang Dec. 8, 2020, 8:15 a.m. UTC | #1
在 2020/12/8 15:44, Qing Zhang 写道:
> add spi and amd node support.

Hi Qing,


Thanks for your patch.

What is AMD node?

Also given that different boards may have different flash, is it a wise

idea to hardcode here?

Thanks.

- Jiaxun


>
> Signed-off-by: Qing Zhang <zhangqing@loongson.cn>
> ---
>
> v2:
> - Add spi about pci device DT
> ---
>   arch/mips/boot/dts/loongson/ls7a-pch.dtsi | 20 ++++++++++++++++++++
>   1 file changed, 20 insertions(+)
>
> diff --git a/arch/mips/boot/dts/loongson/ls7a-pch.dtsi b/arch/mips/boot/dts/loongson/ls7a-pch.dtsi
> index f99a7a1..ab8836b 100644
> --- a/arch/mips/boot/dts/loongson/ls7a-pch.dtsi
> +++ b/arch/mips/boot/dts/loongson/ls7a-pch.dtsi
> @@ -405,6 +405,26 @@
>   				interrupt-map-mask = <0 0 0 0>;
>   				interrupt-map = <0 0 0 0 &pic 39 IRQ_TYPE_LEVEL_HIGH>;
>   			};
> +
> +			spi@16,0 {
> +				compatible = "pci0014,7a0b.0",
> +						"pci0014,7a0b",
> +						"pciclass088000",
> +						"pciclass0880";
> +
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +
> +				reg = <0xb000 0x0 0x0 0x0 0x0>;
> +				num-chipselects = <0>;
> +				spiflash: s25fl016k@0 {
> +				#address-cells = <1>;
> +				#size-cells = <1>;
> +				compatible ="spansion,s25fl016k","jedec,spi-nor";
> +				spi-max-frequency=<50000000>;
> +				reg=<0>;
> +				};
> +			};
>   		};
>   
>   		isa {
diff mbox series

Patch

diff --git a/arch/mips/boot/dts/loongson/ls7a-pch.dtsi b/arch/mips/boot/dts/loongson/ls7a-pch.dtsi
index f99a7a1..ab8836b 100644
--- a/arch/mips/boot/dts/loongson/ls7a-pch.dtsi
+++ b/arch/mips/boot/dts/loongson/ls7a-pch.dtsi
@@ -405,6 +405,26 @@ 
 				interrupt-map-mask = <0 0 0 0>;
 				interrupt-map = <0 0 0 0 &pic 39 IRQ_TYPE_LEVEL_HIGH>;
 			};
+
+			spi@16,0 {
+				compatible = "pci0014,7a0b.0",
+						"pci0014,7a0b",
+						"pciclass088000",
+						"pciclass0880";
+
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				reg = <0xb000 0x0 0x0 0x0 0x0>;
+				num-chipselects = <0>;
+				spiflash: s25fl016k@0 {
+				#address-cells = <1>;
+				#size-cells = <1>;
+				compatible ="spansion,s25fl016k","jedec,spi-nor";
+				spi-max-frequency=<50000000>;
+				reg=<0>;
+				};
+			};
 		};
 
 		isa {