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

From: Qing Zhang
Date: Tue Dec 08 2020 - 02:45:39 EST


add spi and amd node support.

Signed-off-by: Qing Zhang <zhangqing@xxxxxxxxxxx>
---

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 {
--
2.1.0