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ARM: dts: alt: Add QSPI device to DT

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Enable the QSPI controller in the alt device tree.

Based similar work for the silk board by by Vladimir Barinov and
Sergei Shtylyov.

Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
This commit is contained in:
Simon Horman 2016-01-04 21:36:59 +11:00
parent 7aed17f445
commit 6b78e6ae68
1 changed files with 46 additions and 0 deletions
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46
arch/arm/boot/dts/r8a7794-alt.dts
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@ -138,6 +138,13 @@
status = "okay";
};
&pfc {
qspi_pins: spi0 {
renesas,groups = "qspi_ctrl", "qspi_data4";
renesas,function = "qspi";
};
};
&ether {
pinctrl-0 = <&ether_pins &phy1_pins>;
pinctrl-names = "default";
@ -197,3 +204,42 @@
status = "okay";
};
&qspi {
pinctrl-0 = <&qspi_pins>;
pinctrl-names = "default";
status = "okay";
flash@0 {
compatible = "spansion,s25fl512s", "jedec,spi-nor";
reg = <0>;
spi-max-frequency = <30000000>;
spi-tx-bus-width = <4>;
spi-rx-bus-width = <4>;
spi-cpol;
spi-cpha;
m25p,fast-read;
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
partition@0 {
label = "loader";
reg = <0x00000000 0x00040000>;
read-only;
};
partition@40000 {
label = "system";
reg = <0x00040000 0x00040000>;
read-only;
};
partition@80000 {
label = "user";
reg = <0x00080000 0x03f80000>;
};
};
};
};