Messages in this thread | | | From | Leo Li <> | Subject | RE: [PATCH v2 5/5] arm64: dts: lx2160a: fix FlexSPI clock | Date | Fri, 6 Nov 2020 02:00:10 +0000 |
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> -----Original Message----- > From: Michael Walle <michael@walle.cc> > Sent: Thursday, November 5, 2020 1:35 PM > To: linux-clk@vger.kernel.org; devicetree@vger.kernel.org; linux- > kernel@vger.kernel.org; linux-arm-kernel@lists.infradead.org > Cc: Michael Turquette <mturquette@baylibre.com>; Stephen Boyd > <sboyd@kernel.org>; Rob Herring <robh+dt@kernel.org>; Shawn Guo > <shawnguo@kernel.org>; Leo Li <leoyang.li@nxp.com>; Michael Walle > <michael@walle.cc> > Subject: [PATCH v2 5/5] arm64: dts: lx2160a: fix FlexSPI clock > > Now that we have a proper driver for the FlexSPI interface use it. This will fix > SCK frequency switching on Layerscape SoCs. > > This was only compile time tested. > > Signed-off-by: Michael Walle <michael@walle.cc> > --- > Changes since v1: > - none > > arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi | 15 +++++++++++++-- > 1 file changed, 13 insertions(+), 2 deletions(-) > > diff --git a/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi > b/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi > index 83072da6f6c6..6e375e80bd35 100644 > --- a/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi > +++ b/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi > @@ -659,9 +659,20 @@ > }; > > dcfg: syscon@1e00000 { > - compatible = "fsl,lx2160a-dcfg", "syscon"; > + #address-cells = <1>; > + #size-cells = <1>; > + compatible = "fsl,lx2160a-dcfg", "syscon", "simple- > mfd"; > reg = <0x0 0x1e00000 0x0 0x10000>; > + ranges = <0x0 0x0 0x1e00000 0x10000>; > little-endian; > + > + fspi_clk: clock-controller@900 { > + compatible = "fsl,lx2160a-flexspi-clk"; > + reg = <0x900 0x4>; > + #clock-cells = <0>; > + clocks = <&clockgen 4 0>;
This is different from the current <&clockgen 4 3>, is it an intended change?
> + clock-output-names = "fspi_clk"; > + }; > }; > > tmu: tmu@1f80000 { > @@ -776,7 +787,7 @@ > <0x0 0x20000000 0x0 0x10000000>; > reg-names = "fspi_base", "fspi_mmap"; > interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>; > - clocks = <&clockgen 4 3>, <&clockgen 4 3>; > + clocks = <&clockgen 4 3>, <&fspi_clk>; > clock-names = "fspi_en", "fspi"; > status = "disabled"; > }; > -- > 2.20.1
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