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Date: Mon, 9 Mar 2020 23:07:55 +0200 From: Vladimir Oltean <olteanv@...il.com> To: broonie@...nel.org Cc: linux-spi@...r.kernel.org, linux-kernel@...r.kernel.org, shawnguo@...nel.org, robh+dt@...nel.org, mark.rutland@....com, devicetree@...r.kernel.org, eha@...f.com, angelo@...am.it, andrew.smirnov@...il.com, gustavo@...eddedor.com, weic@...dia.com, mhosny@...dia.com, michael@...le.cc, peng.ma@....com Subject: [PATCH v2 6/6] arm64: dts: ls1028a-rdb: Add a spidev node for the mikroBUS From: Vladimir Oltean <vladimir.oltean@....com> For debugging, it is useful to have access to the DSPI controller signals. On the reference design board, these are exported to either the mikroBUS1 or mikroBUS2 connector (according to the CPLD register BRDCFG3[SPI3]). Signed-off-by: Vladimir Oltean <vladimir.oltean@....com> --- Changes in v2: Change compatible string for spidev node. arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts b/arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts index bb7ba3bcbe56..13555ed52b89 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts @@ -83,6 +83,20 @@ }; }; +&dspi2 { + bus-num = <2>; + status = "okay"; + + /* mikroBUS1 */ + spidev@0 { + compatible = "rohm,dh2228fv"; + spi-max-frequency = <20000000>; + fsl,spi-cs-sck-delay = <100>; + fsl,spi-sck-cs-delay = <100>; + reg = <0>; + }; +}; + &esdhc { sd-uhs-sdr104; sd-uhs-sdr50; -- 2.17.1
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