From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergei Shtylyov Subject: [PATCH v2 2/2] ARM: shmobile: silk: add QSPI DT support Date: Tue, 11 Aug 2015 01:00:35 +0300 Message-ID: <7036752.0LCvRcbC9K@wasted.cogentembedded.com> References: <4187771.Fb49GBKgyg@wasted.cogentembedded.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Return-path: In-Reply-To: <4187771.Fb49GBKgyg@wasted.cogentembedded.com> Sender: linux-sh-owner@vger.kernel.org To: horms@verge.net.au, linux-sh@vger.kernel.org, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, devicetree@vger.kernel.org Cc: magnus.damm@gmail.com, linux@arm.linux.org.uk, linux-arm-kernel@lists.infradead.org List-Id: devicetree@vger.kernel.org Define the SILK board dependent part of the QSPI device node. Add device nodes for Spansion S25FL512S SPI flash and MTD partitions on it. Based on the original patch by Vladimir Barinov . Signed-off-by: Sergei Shtylyov --- Changes in version 2: - added fallback value to the SPI flash's "compatible" property; - grouped all SPI-related properties together in the SPI flash node. arch/arm/boot/dts/r8a7794-silk.dts | 40 +++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) Index: renesas/arch/arm/boot/dts/r8a7794-silk.dts =================================================================== --- renesas.orig/arch/arm/boot/dts/r8a7794-silk.dts +++ renesas/arch/arm/boot/dts/r8a7794-silk.dts @@ -65,6 +65,11 @@ renesas,groups = "mmc_data8", "mmc_ctrl"; renesas,function = "mmc"; }; + + qspi_pins: spi0 { + renesas,groups = "qspi_ctrl", "qspi_data4"; + renesas,function = "qspi"; + }; }; &scif2 { @@ -100,3 +105,38 @@ non-removable; status = "okay"; }; + +&qspi { + pinctrl-0 = <&qspi_pins>; + pinctrl-names = "default"; + + status = "okay"; + + flash@0 { + #address-cells = <1>; + #size-cells = <1>; + 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; + + partition@0 { + label = "loader"; + reg = <0x00000000 0x00040000>; + read-only; + }; + partition@40000 { + label = "user"; + reg = <0x00040000 0x00400000>; + read-only; + }; + partition@440000 { + label = "flash"; + reg = <0x00440000 0x03bc0000>; + }; + }; +};