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| author | Vikas Manocha <vikas.manocha@st.com> | 2015-07-02 18:29:42 -0700 |
|---|---|---|
| committer | Jagan Teki <jteki@openedev.com> | 2015-07-03 13:50:53 +0530 |
| commit | 51d558392bc71f9cfb58ce5ea70975dee6bf6292 (patch) | |
| tree | 249bc20bf4b4c4bc82460f54ab0265e938517650 /arch/arm/dts/stv0991.dts | |
| parent | e67abcaacb8271a58c1a5e5afb17475bd8c3deaf (diff) | |
| download | blackbird-obmc-uboot-51d558392bc71f9cfb58ce5ea70975dee6bf6292.tar.gz blackbird-obmc-uboot-51d558392bc71f9cfb58ce5ea70975dee6bf6292.zip | |
stv0991: configure device tree for cadence qspi & flash
This patch add the device tree entry for qspi controller & spi flash
memory.
Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
Reviewed-by: Jagannadh Teki <jteki@openedev.com>
Diffstat (limited to 'arch/arm/dts/stv0991.dts')
| -rw-r--r-- | arch/arm/dts/stv0991.dts | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm/dts/stv0991.dts b/arch/arm/dts/stv0991.dts index b25c48bcec..3b1efca373 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>; + }; + }; }; |
