[PATCH 05/70] ARM: dts: alt: Add QSPI device to DT
From: Simon Horman <hidden>
Date: 2016-02-04 14:28:59
Also in:
linux-renesas-soc
Subsystem:
the rest · Maintainer:
Linus Torvalds
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 <redacted> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> --- arch/arm/boot/dts/r8a7794-alt.dts | 46 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+)
diff --git a/arch/arm/boot/dts/r8a7794-alt.dts b/arch/arm/boot/dts/r8a7794-alt.dts
index 2394e4883786..773f304d1142 100644
--- a/arch/arm/boot/dts/r8a7794-alt.dts
+++ b/arch/arm/boot/dts/r8a7794-alt.dts@@ -138,6 +138,13 @@ status = "okay"; }; +&pfc { + qspi_pins: spi0 { + renesas,groups = "qspi_ctrl", "qspi_data4"; + renesas,function = "qspi"; + }; +}; + ðer { pinctrl-0 = <ðer_pins &phy1_pins>; pinctrl-names = "default";
@@ -197,3 +204,42 @@ status = "okay"; }; + +&qspi { + pinctrl-0 = <&qspi_pins>; + pinctrl-names = "default"; + + status = "okay"; + + flash at 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 at 0 { + label = "loader"; + reg = <0x00000000 0x00040000>; + read-only; + }; + partition at 40000 { + label = "system"; + reg = <0x00040000 0x00040000>; + read-only; + }; + partition at 80000 { + label = "user"; + reg = <0x00080000 0x03f80000>; + }; + }; + }; +};
--
2.7.0.rc3.207.g0ac5344