This patch add the device tree entry for qspi controller & spi flash
memory.
Signed-off-by: Vikas Manocha <vikas.mano...@st.com>
---
Changes in v4:
- removed not needed properties from stv0991 device tree file for qspi
Changes in v3: Rebased to spi-next-dev
Changes in v2: None
arch/arm/dts/stv0991.dts | 34 ++++++++++++++++++++++++++++++++++
1 file changed, 34 insertions(+)
diff --git a/arch/arm/dts/stv0991.dts b/arch/arm/dts/stv0991.dts
index b25c48b..3b1efca 100644
--- a/arch/arm/dts/stv0991.dts
+++ b/arch/arm/dts/stv0991.dts
@@ -20,4 +20,38 @@
reg = <0x80406000 0x1000>;
clock = <2700000>;
};
+
+ aliases {
+ spi0 = "/spi@80203000"; /* QSPI */
+ };
+
+ qspi: spi@80203000 {
+ compatible = "cadence,qspi";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x80203000 0x100>,
+ <0x40000000 0x1000000>;
+ clocks = <3750000>;
+ ext-decoder = <0>; /* external decoder */
+ num-cs = <4>;
+ fifo-depth = <256>;
+ bus-num = <0>;
+ status = "okay";
+
+ flash0: n25q32@0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "spi-flash";
+ reg = <0>; /* chip select */
+ spi-max-frequency = <50000000>;
+ m25p,fast-read;
+ page-size = <256>;
+ block-size = <16>; /* 2^16, 64KB */
+ read-delay = <4>; /* delay value in read
data capture register */
+ tshsl-ns = <50>;
+ tsd2d-ns = <50>;
+ tchsh-ns = <4>;
+ tslch-ns = <4>;
+ };
+ };
};
--
1.7.9.5
_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
http://lists.denx.de/mailman/listinfo/u-boot
