This patch add the device tree entry for qspi controller & spi flash memory.
Signed-off-by: Vikas Manocha vikas.manocha@st.com ---
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>; + }; + }; };