From cf1cc6f1da41ceb60f6389b6b46f4f6dc06a2b63 Mon Sep 17 00:00:00 2001 From: Fabrizio Castro Date: Wed, 13 Sep 2017 18:05:41 +0100 Subject: [PATCH] ARM: dts: iwg22m: Add SPI NOR support Add support for the SPI NOR device used to boot up the system to the System on Module DT. Signed-off-by: Fabrizio Castro Signed-off-by: Chris Paterson Reviewed-by: Geert Uytterhoeven Signed-off-by: Simon Horman --- arch/arm/boot/dts/r8a7745-iwg22m.dtsi | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/arch/arm/boot/dts/r8a7745-iwg22m.dtsi b/arch/arm/boot/dts/r8a7745-iwg22m.dtsi index f7f9ceff35a6..ed9a8cf3fe36 100644 --- a/arch/arm/boot/dts/r8a7745-iwg22m.dtsi +++ b/arch/arm/boot/dts/r8a7745-iwg22m.dtsi @@ -39,6 +39,11 @@ mmcif0_pins: mmc { function = "mmc"; }; + qspi_pins: qspi { + groups = "qspi_ctrl", "qspi_data2"; + function = "qspi"; + }; + sdhi1_pins: sd1 { groups = "sdhi1_data4", "sdhi1_ctrl"; function = "sdhi1"; @@ -61,6 +66,27 @@ &mmcif0 { status = "okay"; }; +&qspi { + pinctrl-0 = <&qspi_pins>; + pinctrl-names = "default"; + + status = "okay"; + + /* WARNING - This device contains the bootloader. Handle with care. */ + flash: flash@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "sst,sst25vf016b", "jedec,spi-nor"; + reg = <0>; + spi-max-frequency = <50000000>; + spi-tx-bus-width = <1>; + spi-rx-bus-width = <1>; + m25p,fast-read; + spi-cpol; + spi-cpha; + }; +}; + &sdhi1 { pinctrl-0 = <&sdhi1_pins>; pinctrl-names = "default"; -- 2.45.2